[Mesa-dev] [PATCH 6/7] st/omx/tizonia: Add H.264 encoder

Gurkirpal Singh gurkirpal204 at gmail.com
Wed Nov 29 04:02:15 UTC 2017


Example Gstreamer pipeline :
gst-launch-1.0 filesrc location=movie.mp4 ! qtdemux ! h264parse ! avdec_h264 ! videoconvert ! omxh264enc ! h264parse ! avdec_h264 ! videoconvert ! ximagesink
---
 src/gallium/state_trackers/omx/Makefile.sources    |   4 +-
 src/gallium/state_trackers/omx/bellagio/vid_enc.c  | 356 +----------
 src/gallium/state_trackers/omx/bellagio/vid_enc.h  |  48 --
 .../state_trackers/omx/tizonia/Makefile.sources    |  11 +
 .../state_trackers/omx/tizonia/entrypoint.c        |  40 +-
 src/gallium/state_trackers/omx/tizonia/h264e.c     | 184 ++++++
 src/gallium/state_trackers/omx/tizonia/h264e.h     |  55 ++
 .../state_trackers/omx/tizonia/h264einport.c       | 216 +++++++
 .../state_trackers/omx/tizonia/h264einport.h       |  31 +
 .../state_trackers/omx/tizonia/h264einport_decls.h |  48 ++
 .../state_trackers/omx/tizonia/h264eoutport.c      | 143 +++++
 .../state_trackers/omx/tizonia/h264eoutport.h      |  31 +
 .../omx/tizonia/h264eoutport_decls.h               |  48 ++
 src/gallium/state_trackers/omx/tizonia/h264eprc.c  | 689 +++++++++++++++++++++
 src/gallium/state_trackers/omx/tizonia/h264eprc.h  |  31 +
 src/gallium/state_trackers/omx/vid_enc_common.c    | 387 ++++++++++++
 src/gallium/state_trackers/omx/vid_enc_common.h    | 175 ++++++
 17 files changed, 2095 insertions(+), 402 deletions(-)
 create mode 100644 src/gallium/state_trackers/omx/tizonia/h264e.c
 create mode 100644 src/gallium/state_trackers/omx/tizonia/h264e.h
 create mode 100644 src/gallium/state_trackers/omx/tizonia/h264einport.c
 create mode 100644 src/gallium/state_trackers/omx/tizonia/h264einport.h
 create mode 100644 src/gallium/state_trackers/omx/tizonia/h264einport_decls.h
 create mode 100644 src/gallium/state_trackers/omx/tizonia/h264eoutport.c
 create mode 100644 src/gallium/state_trackers/omx/tizonia/h264eoutport.h
 create mode 100644 src/gallium/state_trackers/omx/tizonia/h264eoutport_decls.h
 create mode 100644 src/gallium/state_trackers/omx/tizonia/h264eprc.c
 create mode 100644 src/gallium/state_trackers/omx/tizonia/h264eprc.h
 create mode 100644 src/gallium/state_trackers/omx/vid_enc_common.c
 create mode 100644 src/gallium/state_trackers/omx/vid_enc_common.h

diff --git a/src/gallium/state_trackers/omx/Makefile.sources b/src/gallium/state_trackers/omx/Makefile.sources
index d69d7c6..95bccdd 100644
--- a/src/gallium/state_trackers/omx/Makefile.sources
+++ b/src/gallium/state_trackers/omx/Makefile.sources
@@ -2,4 +2,6 @@ C_SOURCES := \
 	vid_dec_common.c \
 	vid_dec_common.h \
 	vid_dec_h264_common.c \
-	vid_dec_h264_common.h
+	vid_dec_h264_common.h \
+	vid_enc_common.c \
+	vid_enc_common.h
diff --git a/src/gallium/state_trackers/omx/bellagio/vid_enc.c b/src/gallium/state_trackers/omx/bellagio/vid_enc.c
index 40e7a0f..6adb1bb 100644
--- a/src/gallium/state_trackers/omx/bellagio/vid_enc.c
+++ b/src/gallium/state_trackers/omx/bellagio/vid_enc.c
@@ -49,32 +49,11 @@
 #include "pipe/p_screen.h"
 #include "pipe/p_video_codec.h"
 #include "util/u_memory.h"
-#include "vl/vl_video_buffer.h"
 #include "vl/vl_screen.h"
 
 #include "entrypoint.h"
 #include "vid_enc.h"
-
-struct encode_task {
-   struct list_head list;
-
-   struct pipe_video_buffer *buf;
-   unsigned pic_order_cnt;
-   struct pipe_resource *bitstream;
-   void *feedback;
-};
-
-struct input_buf_private {
-   struct list_head tasks;
-
-   struct pipe_resource *resource;
-   struct pipe_transfer *transfer;
-};
-
-struct output_buf_private {
-   struct pipe_resource *bitstream;
-   struct pipe_transfer *transfer;
-};
+#include "vid_enc_common.h"
 
 static OMX_ERRORTYPE vid_enc_Constructor(OMX_COMPONENTTYPE *comp, OMX_STRING name);
 static OMX_ERRORTYPE vid_enc_Destructor(OMX_COMPONENTTYPE *comp);
@@ -94,8 +73,6 @@ static OMX_ERRORTYPE vid_enc_AllocateOutBuffer(omx_base_PortType *comp, OMX_INOU
 static OMX_ERRORTYPE vid_enc_FreeOutBuffer(omx_base_PortType *port, OMX_U32 idx, OMX_BUFFERHEADERTYPE *buf);
 static void vid_enc_BufferEncoded(OMX_COMPONENTTYPE *comp, OMX_BUFFERHEADERTYPE* input, OMX_BUFFERHEADERTYPE* output);
 
-static void enc_ReleaseTasks(struct list_head *head);
-
 OMX_ERRORTYPE vid_enc_LoaderComponent(stLoaderComponentType *comp)
 {
    comp->componentVersion.s.nVersionMajor = 0;
@@ -616,66 +593,6 @@ static OMX_ERRORTYPE vid_enc_GetConfig(OMX_HANDLETYPE handle, OMX_INDEXTYPE idx,
    return OMX_ErrorNone;
 }
 
-static enum pipe_video_profile enc_TranslateOMXProfileToPipe(unsigned omx_profile)
-{
-   switch (omx_profile) {
-   case OMX_VIDEO_AVCProfileBaseline:
-      return PIPE_VIDEO_PROFILE_MPEG4_AVC_BASELINE;
-   case OMX_VIDEO_AVCProfileMain:
-      return PIPE_VIDEO_PROFILE_MPEG4_AVC_MAIN;
-   case OMX_VIDEO_AVCProfileExtended:
-      return PIPE_VIDEO_PROFILE_MPEG4_AVC_EXTENDED;
-   case OMX_VIDEO_AVCProfileHigh:
-      return PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH;
-   case OMX_VIDEO_AVCProfileHigh10:
-      return PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH10;
-   case OMX_VIDEO_AVCProfileHigh422:
-      return PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH422;
-   case OMX_VIDEO_AVCProfileHigh444:
-      return PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH444;
-   default:
-      return PIPE_VIDEO_PROFILE_UNKNOWN;
-   }
-}
-
-static unsigned enc_TranslateOMXLevelToPipe(unsigned omx_level)
-{
-   switch (omx_level) {
-   case OMX_VIDEO_AVCLevel1:
-   case OMX_VIDEO_AVCLevel1b:
-      return 10;
-   case OMX_VIDEO_AVCLevel11:
-      return 11;
-   case OMX_VIDEO_AVCLevel12:
-      return 12;
-   case OMX_VIDEO_AVCLevel13:
-      return 13;
-   case OMX_VIDEO_AVCLevel2:
-      return 20;
-   case OMX_VIDEO_AVCLevel21:
-      return 21;
-   case OMX_VIDEO_AVCLevel22:
-      return 22;
-   case OMX_VIDEO_AVCLevel3:
-      return 30;
-   case OMX_VIDEO_AVCLevel31:
-      return 31;
-   case OMX_VIDEO_AVCLevel32:
-      return 32;
-   case OMX_VIDEO_AVCLevel4:
-      return 40;
-   case OMX_VIDEO_AVCLevel41:
-      return 41;
-   default:
-   case OMX_VIDEO_AVCLevel42:
-      return 42;
-   case OMX_VIDEO_AVCLevel5:
-      return 50;
-   case OMX_VIDEO_AVCLevel51:
-      return 51;
-   }
-}
-
 static OMX_ERRORTYPE vid_enc_MessageHandler(OMX_COMPONENTTYPE* comp, internalRequestMessageType *msg)
 {
    vid_enc_PrivateType* priv = comp->pComponentPrivate;
@@ -834,56 +751,7 @@ static struct encode_task *enc_NeedTask(omx_base_PortType *port)
    OMX_COMPONENTTYPE* comp = port->standCompContainer;
    vid_enc_PrivateType *priv = comp->pComponentPrivate;
 
-   struct pipe_video_buffer templat = {};
-   struct encode_task *task;
-
-   if (!LIST_IS_EMPTY(&priv->free_tasks)) {
-      task = LIST_ENTRY(struct encode_task, priv->free_tasks.next, list);
-      LIST_DEL(&task->list);
-      return task;
-   }
-
-   /* allocate a new one */
-   task = CALLOC_STRUCT(encode_task);
-   if (!task)
-      return NULL;
-
-   templat.buffer_format = PIPE_FORMAT_NV12;
-   templat.chroma_format = PIPE_VIDEO_CHROMA_FORMAT_420;
-   templat.width = def->nFrameWidth;
-   templat.height = def->nFrameHeight;
-   templat.interlaced = false;
-
-   task->buf = priv->s_pipe->create_video_buffer(priv->s_pipe, &templat);
-   if (!task->buf) {
-      FREE(task);
-      return NULL;
-   }
-
-   return task;
-}
-
-static void enc_MoveTasks(struct list_head *from, struct list_head *to)
-{
-   to->prev->next = from->next;
-   from->next->prev = to->prev;
-   from->prev->next = to;
-   to->prev = from->prev;
-   LIST_INITHEAD(from);
-}
-
-static void enc_ReleaseTasks(struct list_head *head)
-{
-   struct encode_task *i, *next;
-
-   if (!head || !head->next)
-      return;
-
-   LIST_FOR_EACH_ENTRY_SAFE(i, next, head, list) {
-      pipe_resource_reference(&i->bitstream, NULL);
-      i->buf->destroy(i->buf);
-      FREE(i);
-   }
+   return enc_NeedTask_common(priv, def);
 }
 
 static OMX_ERRORTYPE enc_LoadImage(omx_base_PortType *port, OMX_BUFFERHEADERTYPE *buf,
@@ -892,80 +760,7 @@ static OMX_ERRORTYPE enc_LoadImage(omx_base_PortType *port, OMX_BUFFERHEADERTYPE
    OMX_COMPONENTTYPE* comp = port->standCompContainer;
    vid_enc_PrivateType *priv = comp->pComponentPrivate;
    OMX_VIDEO_PORTDEFINITIONTYPE *def = &port->sPortParam.format.video;
-   struct pipe_box box = {};
-   struct input_buf_private *inp = buf->pInputPortPrivate;
-
-   if (!inp->resource) {
-      struct pipe_sampler_view **views;
-      void *ptr;
-
-      views = vbuf->get_sampler_view_planes(vbuf);
-      if (!views)
-         return OMX_ErrorInsufficientResources;
-
-      ptr = buf->pBuffer;
-      box.width = def->nFrameWidth;
-      box.height = def->nFrameHeight;
-      box.depth = 1;
-      priv->s_pipe->texture_subdata(priv->s_pipe, views[0]->texture, 0,
-                                    PIPE_TRANSFER_WRITE, &box,
-                                    ptr, def->nStride, 0);
-      ptr = ((uint8_t*)buf->pBuffer) + (def->nStride * box.height);
-      box.width = def->nFrameWidth / 2;
-      box.height = def->nFrameHeight / 2;
-      box.depth = 1;
-      priv->s_pipe->texture_subdata(priv->s_pipe, views[1]->texture, 0,
-                                    PIPE_TRANSFER_WRITE, &box,
-                                    ptr, def->nStride, 0);
-   } else {
-      struct pipe_blit_info blit;
-      struct vl_video_buffer *dst_buf = (struct vl_video_buffer *)vbuf;
-
-      pipe_transfer_unmap(priv->s_pipe, inp->transfer);
-
-      box.width = def->nFrameWidth;
-      box.height = def->nFrameHeight;
-      box.depth = 1;
-
-      priv->s_pipe->resource_copy_region(priv->s_pipe,
-                                         dst_buf->resources[0],
-                                         0, 0, 0, 0, inp->resource, 0, &box);
-
-      memset(&blit, 0, sizeof(blit));
-      blit.src.resource = inp->resource;
-      blit.src.format = inp->resource->format;
-
-      blit.src.box.x = 0;
-      blit.src.box.y = def->nFrameHeight;
-      blit.src.box.width = def->nFrameWidth;
-      blit.src.box.height = def->nFrameHeight / 2 ;
-      blit.src.box.depth = 1;
-
-      blit.dst.resource = dst_buf->resources[1];
-      blit.dst.format = blit.dst.resource->format;
-
-      blit.dst.box.width = def->nFrameWidth / 2;
-      blit.dst.box.height = def->nFrameHeight / 2;
-      blit.dst.box.depth = 1;
-      blit.filter = PIPE_TEX_FILTER_NEAREST;
-
-      blit.mask = PIPE_MASK_G;
-      priv->s_pipe->blit(priv->s_pipe, &blit);
-
-      blit.src.box.x = 1;
-      blit.mask = PIPE_MASK_R;
-      priv->s_pipe->blit(priv->s_pipe, &blit);
-      priv->s_pipe->flush(priv->s_pipe, NULL, 0);
-
-      box.width = inp->resource->width0;
-      box.height = inp->resource->height0;
-      box.depth = inp->resource->depth0;
-      buf->pBuffer = priv->s_pipe->transfer_map(priv->s_pipe, inp->resource, 0,
-                                                PIPE_TRANSFER_WRITE, &box,
-                                                &inp->transfer);
-   }
-
-   return OMX_ErrorNone;
+   return enc_LoadImage_common(priv, def, buf, vbuf);
 }
 
 static void enc_ScaleInput(omx_base_PortType *port, struct pipe_video_buffer **vbuf, unsigned *size)
@@ -973,109 +768,14 @@ static void enc_ScaleInput(omx_base_PortType *port, struct pipe_video_buffer **v
    OMX_COMPONENTTYPE* comp = port->standCompContainer;
    vid_enc_PrivateType *priv = comp->pComponentPrivate;
    OMX_VIDEO_PORTDEFINITIONTYPE *def = &port->sPortParam.format.video;
-   struct pipe_video_buffer *src_buf = *vbuf;
-   struct vl_compositor *compositor = &priv->compositor;
-   struct vl_compositor_state *s = &priv->cstate;
-   struct pipe_sampler_view **views;
-   struct pipe_surface **dst_surface;
-   unsigned i;
-
-   if (!priv->scale_buffer[priv->current_scale_buffer])
-      return;
-
-   views = src_buf->get_sampler_view_planes(src_buf);
-   dst_surface = priv->scale_buffer[priv->current_scale_buffer]->get_surfaces
-                 (priv->scale_buffer[priv->current_scale_buffer]);
-   vl_compositor_clear_layers(s);
-
-   for (i = 0; i < VL_MAX_SURFACES; ++i) {
-      struct u_rect src_rect;
-      if (!views[i] || !dst_surface[i])
-         continue;
-      src_rect.x0 = 0;
-      src_rect.y0 = 0;
-      src_rect.x1 = def->nFrameWidth;
-      src_rect.y1 = def->nFrameHeight;
-      if (i > 0) {
-         src_rect.x1 /= 2;
-         src_rect.y1 /= 2;
-      }
-      vl_compositor_set_rgba_layer(s, compositor, 0, views[i], &src_rect, NULL, NULL);
-      vl_compositor_render(s, compositor, dst_surface[i], NULL, false);
-   }
-   *size  = priv->scale.xWidth * priv->scale.xHeight * 2;
-   *vbuf = priv->scale_buffer[priv->current_scale_buffer++];
-   priv->current_scale_buffer %= OMX_VID_ENC_NUM_SCALING_BUFFERS;
-}
-
-static void enc_GetPictureParamPreset(struct pipe_h264_enc_picture_desc *picture)
-{
-   picture->motion_est.enc_disable_sub_mode = 0x000000fe;
-   picture->motion_est.enc_ime2_search_range_x = 0x00000001;
-   picture->motion_est.enc_ime2_search_range_y = 0x00000001;
-   picture->pic_ctrl.enc_constraint_set_flags = 0x00000040;
+   enc_ScaleInput_common(priv, def, vbuf, size);
 }
 
 static void enc_ControlPicture(omx_base_PortType *port, struct pipe_h264_enc_picture_desc *picture)
 {
    OMX_COMPONENTTYPE* comp = port->standCompContainer;
    vid_enc_PrivateType *priv = comp->pComponentPrivate;
-   struct pipe_h264_enc_rate_control *rate_ctrl = &picture->rate_ctrl;
-
-   switch (priv->bitrate.eControlRate) {
-   case OMX_Video_ControlRateVariable:
-      rate_ctrl->rate_ctrl_method = PIPE_H264_ENC_RATE_CONTROL_METHOD_VARIABLE;
-      break;
-   case OMX_Video_ControlRateConstant:
-      rate_ctrl->rate_ctrl_method = PIPE_H264_ENC_RATE_CONTROL_METHOD_CONSTANT;
-      break;
-   case OMX_Video_ControlRateVariableSkipFrames:
-      rate_ctrl->rate_ctrl_method = PIPE_H264_ENC_RATE_CONTROL_METHOD_VARIABLE_SKIP;
-      break;
-   case OMX_Video_ControlRateConstantSkipFrames:
-      rate_ctrl->rate_ctrl_method = PIPE_H264_ENC_RATE_CONTROL_METHOD_CONSTANT_SKIP;
-      break;
-   default:
-      rate_ctrl->rate_ctrl_method = PIPE_H264_ENC_RATE_CONTROL_METHOD_DISABLE;
-      break;
-   }
-
-   rate_ctrl->frame_rate_den = OMX_VID_ENC_CONTROL_FRAME_RATE_DEN_DEFAULT;
-   rate_ctrl->frame_rate_num = ((priv->frame_rate) >> 16) * rate_ctrl->frame_rate_den;
-
-   if (rate_ctrl->rate_ctrl_method != PIPE_H264_ENC_RATE_CONTROL_METHOD_DISABLE) {
-      if (priv->bitrate.nTargetBitrate < OMX_VID_ENC_BITRATE_MIN)
-         rate_ctrl->target_bitrate = OMX_VID_ENC_BITRATE_MIN;
-      else if (priv->bitrate.nTargetBitrate < OMX_VID_ENC_BITRATE_MAX)
-         rate_ctrl->target_bitrate = priv->bitrate.nTargetBitrate;
-      else
-         rate_ctrl->target_bitrate = OMX_VID_ENC_BITRATE_MAX;
-      rate_ctrl->peak_bitrate = rate_ctrl->target_bitrate;
-      if (rate_ctrl->target_bitrate < OMX_VID_ENC_BITRATE_MEDIAN)
-         rate_ctrl->vbv_buffer_size = MIN2((rate_ctrl->target_bitrate * 2.75), OMX_VID_ENC_BITRATE_MEDIAN);
-      else
-         rate_ctrl->vbv_buffer_size = rate_ctrl->target_bitrate;
-
-      if (rate_ctrl->frame_rate_num) {
-         unsigned long long t = rate_ctrl->target_bitrate;
-         t *= rate_ctrl->frame_rate_den;
-         rate_ctrl->target_bits_picture = t / rate_ctrl->frame_rate_num;
-      } else {
-         rate_ctrl->target_bits_picture = rate_ctrl->target_bitrate;
-      }
-      rate_ctrl->peak_bits_picture_integer = rate_ctrl->target_bits_picture;
-      rate_ctrl->peak_bits_picture_fraction = 0;
-   }
-
-   picture->quant_i_frames = priv->quant.nQpI;
-   picture->quant_p_frames = priv->quant.nQpP;
-   picture->quant_b_frames = priv->quant.nQpB;
-
-   picture->frame_num = priv->frame_num;
-   picture->ref_idx_l0 = priv->ref_idx_l0;
-   picture->ref_idx_l1 = priv->ref_idx_l1;
-   picture->enable_vui = (picture->rate_ctrl.frame_rate_num != 0);
-   enc_GetPictureParamPreset(picture);
+   enc_ControlPicture_common(priv, picture);
 }
 
 static void enc_HandleTask(omx_base_PortType *port, struct encode_task *task,
@@ -1113,6 +813,7 @@ static void enc_ClearBframes(omx_base_PortType *port, struct input_buf_private *
 {
    OMX_COMPONENTTYPE* comp = port->standCompContainer;
    vid_enc_PrivateType *priv = comp->pComponentPrivate;
+
    struct encode_task *task;
 
    if (LIST_IS_EMPTY(&priv->b_frames))
@@ -1232,48 +933,5 @@ static OMX_ERRORTYPE vid_enc_EncodeFrame(omx_base_PortType *port, OMX_BUFFERHEAD
 static void vid_enc_BufferEncoded(OMX_COMPONENTTYPE *comp, OMX_BUFFERHEADERTYPE* input, OMX_BUFFERHEADERTYPE* output)
 {
    vid_enc_PrivateType *priv = comp->pComponentPrivate;
-   struct output_buf_private *outp = output->pOutputPortPrivate;
-   struct input_buf_private *inp = input->pInputPortPrivate;
-   struct encode_task *task;
-   struct pipe_box box = {};
-   unsigned size;
-
-   if (!inp || LIST_IS_EMPTY(&inp->tasks)) {
-      input->nFilledLen = 0; /* mark buffer as empty */
-      enc_MoveTasks(&priv->used_tasks, &inp->tasks);
-      return;
-   }
-
-   task = LIST_ENTRY(struct encode_task, inp->tasks.next, list);
-   LIST_DEL(&task->list);
-   LIST_ADDTAIL(&task->list, &priv->used_tasks);
-
-   if (!task->bitstream)
-      return;
-
-   /* ------------- map result buffer ----------------- */
-
-   if (outp->transfer)
-      pipe_transfer_unmap(priv->t_pipe, outp->transfer);
-
-   pipe_resource_reference(&outp->bitstream, task->bitstream);
-   pipe_resource_reference(&task->bitstream, NULL);
-
-   box.width = outp->bitstream->width0;
-   box.height = outp->bitstream->height0;
-   box.depth = outp->bitstream->depth0;
-
-   output->pBuffer = priv->t_pipe->transfer_map(priv->t_pipe, outp->bitstream, 0,
-                                                PIPE_TRANSFER_READ_WRITE,
-                                                &box, &outp->transfer);
-
-   /* ------------- get size of result ----------------- */
-
-   priv->codec->get_feedback(priv->codec, task->feedback, &size);
-
-   output->nOffset = 0;
-   output->nFilledLen = size; /* mark buffer as full */
-
-   /* all output buffers contain exactly one frame */
-   output->nFlags = OMX_BUFFERFLAG_ENDOFFRAME;
+   vid_enc_BufferEncoded_common(priv, input, output);
 }
diff --git a/src/gallium/state_trackers/omx/bellagio/vid_enc.h b/src/gallium/state_trackers/omx/bellagio/vid_enc.h
index a833744..4d2b867 100644
--- a/src/gallium/state_trackers/omx/bellagio/vid_enc.h
+++ b/src/gallium/state_trackers/omx/bellagio/vid_enc.h
@@ -36,61 +36,13 @@
 
 #include <OMX_Types.h>
 #include <OMX_Component.h>
-#include <OMX_Core.h>
 
 #include <bellagio/st_static_component_loader.h>
-#include <bellagio/omx_base_filter.h>
-
-#include "util/list.h"
-
-#include "vl/vl_defines.h"
-#include "vl/vl_compositor.h"
 
 #define OMX_VID_ENC_BASE_NAME "OMX.mesa.video_encoder"
 #define OMX_VID_ENC_AVC_NAME "OMX.mesa.video_encoder.avc"
 #define OMX_VID_ENC_AVC_ROLE "video_encoder.avc"
 
-#define OMX_VID_ENC_BITRATE_MIN 64000
-#define OMX_VID_ENC_BITRATE_MEDIAN 2000000
-#define OMX_VID_ENC_BITRATE_MAX 240000000
-#define OMX_VID_ENC_CONTROL_FRAME_RATE_DEN_DEFAULT 1001
-#define OMX_VID_ENC_QUANT_I_FRAMES_DEFAULT 0x1c
-#define OMX_VID_ENC_QUANT_P_FRAMES_DEFAULT 0x1c
-#define OMX_VID_ENC_QUANT_B_FRAMES_DEFAULT 0x1c
-#define OMX_VID_ENC_SCALING_WIDTH_DEFAULT 0xffffffff
-#define OMX_VID_ENC_SCALING_HEIGHT_DEFAULT 0xffffffff
-#define OMX_VID_ENC_IDR_PERIOD_DEFAULT 1000
-#define OMX_VID_ENC_P_PERIOD_DEFAULT 3
-
-#define OMX_VID_ENC_NUM_SCALING_BUFFERS 4
-
-DERIVEDCLASS(vid_enc_PrivateType, omx_base_filter_PrivateType)
-#define vid_enc_PrivateType_FIELDS omx_base_filter_PrivateType_FIELDS \
-	struct vl_screen *screen; \
-	struct pipe_context *s_pipe; \
-	struct pipe_context *t_pipe; \
-	struct pipe_video_codec *codec; \
-	struct list_head free_tasks; \
-	struct list_head used_tasks; \
-	struct list_head b_frames; \
-	struct list_head stacked_tasks; \
-	OMX_U32 frame_rate; \
-	OMX_U32 frame_num; \
-	OMX_U32 pic_order_cnt; \
-	OMX_U32 ref_idx_l0, ref_idx_l1; \
-	OMX_BOOL restricted_b_frames; \
-	OMX_VIDEO_PARAM_BITRATETYPE bitrate; \
-	OMX_VIDEO_PARAM_QUANTIZATIONTYPE quant; \
-	OMX_VIDEO_PARAM_PROFILELEVELTYPE profile_level; \
-	OMX_CONFIG_INTRAREFRESHVOPTYPE force_pic_type; \
-	struct vl_compositor compositor; \
-	struct vl_compositor_state cstate; \
-	struct pipe_video_buffer *scale_buffer[OMX_VID_ENC_NUM_SCALING_BUFFERS]; \
-	OMX_CONFIG_SCALEFACTORTYPE scale; \
-	OMX_U32 current_scale_buffer; \
-	OMX_U32 stacked_frames_num;
-ENDCLASS(vid_enc_PrivateType)
-
 OMX_ERRORTYPE vid_enc_LoaderComponent(stLoaderComponentType *comp);
 
 #endif
diff --git a/src/gallium/state_trackers/omx/tizonia/Makefile.sources b/src/gallium/state_trackers/omx/tizonia/Makefile.sources
index 41b7a3d..7e039d3 100644
--- a/src/gallium/state_trackers/omx/tizonia/Makefile.sources
+++ b/src/gallium/state_trackers/omx/tizonia/Makefile.sources
@@ -8,4 +8,15 @@ C_SOURCES := \
 	h264dinport.c \
 	h264dinport.h \
 	h264dinport_decls.h \
+	h264e.c \
+	h264e.h \
+	h264eprc.c \
+	h264eprc.h \
+	h264einport.h \
+	h264einport.c \
+	h264einport_decls.h \
+	h264einport.h \
+	h264eoutport.c \
+	h264eoutport_decls.h \
+	h264eoutport.h \
 	names.h
diff --git a/src/gallium/state_trackers/omx/tizonia/entrypoint.c b/src/gallium/state_trackers/omx/tizonia/entrypoint.c
index df81ee3..72d955b 100644
--- a/src/gallium/state_trackers/omx/tizonia/entrypoint.c
+++ b/src/gallium/state_trackers/omx/tizonia/entrypoint.c
@@ -38,15 +38,25 @@
 #include "h264d.h"
 #include "h264dprc.h"
 #include "h264dinport.h"
+#include "h264e.h"
+#include "h264eprc.h"
+#include "h264einport.h"
+#include "h264eoutport.h"
 #include "names.h"
 
 OMX_ERRORTYPE OMX_ComponentInit (OMX_HANDLETYPE ap_hdl)
 {
    tiz_role_factory_t h264d_role;
-   const tiz_role_factory_t * rf_list[] = {&h264d_role};
+   tiz_role_factory_t h264e_role;
+   const tiz_role_factory_t * rf_list[] = {&h264e_role, &h264d_role};
    tiz_type_factory_t h264dprc_type;
    tiz_type_factory_t h264d_inport_type;
-   const tiz_type_factory_t * tf_list[] = {&h264dprc_type, &h264d_inport_type};
+   tiz_type_factory_t h264eprc_type;
+   tiz_type_factory_t h264e_inport_type;
+   tiz_type_factory_t h264e_outport_type;
+   const tiz_type_factory_t * tf_list[] = {&h264e_inport_type, &h264e_outport_type,
+                                           &h264eprc_type, &h264dprc_type,
+                                           &h264d_inport_type};
 
    /* Settings for roles */
    strcpy ((OMX_STRING) h264d_role.role, OMX_VID_DEC_AVC_ROLE);
@@ -56,12 +66,34 @@ OMX_ERRORTYPE OMX_ComponentInit (OMX_HANDLETYPE ap_hdl)
    h264d_role.nports = 2;
    h264d_role.pf_proc = instantiate_h264d_processor;
 
+   strcpy ((OMX_STRING) h264e_role.role, OMX_VID_ENC_AVC_ROLE);
+   h264e_role.pf_cport = instantiate_h264e_config_port;
+   h264e_role.pf_port[0] = instantiate_h264e_input_port;
+   h264e_role.pf_port[1] = instantiate_h264e_output_port;
+   h264e_role.nports = 2;
+   h264e_role.pf_proc = instantiate_h264e_processor;
+
    /* Settings for classes */
    strcpy ((OMX_STRING) h264dprc_type.class_name, "h264dprc_class");
    h264dprc_type.pf_class_init = h264d_prc_class_init;
    strcpy ((OMX_STRING) h264dprc_type.object_name, "h264dprc");
    h264dprc_type.pf_object_init = h264d_prc_init;
 
+   strcpy ((OMX_STRING) h264eprc_type.class_name, "h264eprc_class");
+   h264eprc_type.pf_class_init = h264e_prc_class_init;
+   strcpy ((OMX_STRING) h264eprc_type.object_name, "h264eprc");
+   h264eprc_type.pf_object_init = h264e_prc_init;
+
+   strcpy ((OMX_STRING) h264e_inport_type.class_name, "h264einport_class");
+   h264e_inport_type.pf_class_init = h264e_inport_class_init;
+   strcpy ((OMX_STRING) h264e_inport_type.object_name, "h264einport");
+   h264e_inport_type.pf_object_init = h264e_inport_init;
+
+   strcpy ((OMX_STRING) h264e_outport_type.class_name, "h264eoutport_class");
+   h264e_outport_type.pf_class_init = h264e_outport_class_init;
+   strcpy ((OMX_STRING) h264e_outport_type.object_name, "h264eoutport");
+   h264e_outport_type.pf_object_init = h264e_outport_init;
+
    strcpy ((OMX_STRING) h264d_inport_type.class_name, "h264dinport_class");
    h264d_inport_type.pf_class_init = h264d_inport_class_init;
    strcpy ((OMX_STRING) h264d_inport_type.object_name, "h264dinport");
@@ -71,10 +103,10 @@ OMX_ERRORTYPE OMX_ComponentInit (OMX_HANDLETYPE ap_hdl)
    tiz_comp_init (ap_hdl, OMX_VID_COMP_NAME);
 
    /* Classes need to be registered first */
-   tiz_comp_register_types (ap_hdl, tf_list, 2);
+   tiz_comp_register_types (ap_hdl, tf_list, 5);
 
    /* Register the component roles */
-   tiz_comp_register_roles (ap_hdl, rf_list, 1);
+   tiz_comp_register_roles (ap_hdl, rf_list, 2);
 
    return OMX_ErrorNone;
 }
diff --git a/src/gallium/state_trackers/omx/tizonia/h264e.c b/src/gallium/state_trackers/omx/tizonia/h264e.c
new file mode 100644
index 0000000..8ff4b14
--- /dev/null
+++ b/src/gallium/state_trackers/omx/tizonia/h264e.c
@@ -0,0 +1,184 @@
+/**************************************************************************
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include <tizport_decls.h>
+
+#include "h264eprc.h"
+#include "h264e.h"
+#include "names.h"
+#include "vid_enc_common.h"
+
+static OMX_VERSIONTYPE h264e_encoder_version = {{0, 0, 0, 1}};
+
+OMX_PTR instantiate_h264e_input_port(OMX_HANDLETYPE ap_hdl)
+{
+   OMX_VIDEO_PORTDEFINITIONTYPE portdef;
+   OMX_VIDEO_CODINGTYPE encodings[] = {
+      OMX_VIDEO_CodingUnused,
+      OMX_VIDEO_CodingMax
+   };
+   OMX_COLOR_FORMATTYPE formats[] = {
+      OMX_COLOR_FormatYUV420SemiPlanar,
+      OMX_COLOR_FormatMax
+   };
+   tiz_port_options_t rawvideo_port_opts = {
+      OMX_PortDomainVideo,
+      OMX_DirInput,
+      OMX_VID_ENC_AVC_INPUT_PORT_MIN_BUF_COUNT,
+      OMX_VID_ENC_AVC_PORT_MIN_INPUT_BUF_SIZE,
+      OMX_VID_ENC_AVC_PORT_NONCONTIGUOUS,
+      OMX_VID_ENC_AVC_PORT_ALIGNMENT,
+      OMX_VID_ENC_AVC_PORT_SUPPLIERPREF,
+      {OMX_VID_ENC_AVC_INPUT_PORT_INDEX, NULL, NULL, NULL},
+      1                     /* Slave port */
+   };
+
+   portdef.pNativeRender = NULL;
+   portdef.nFrameWidth = OMX_VID_ENC_AVC_DEFAULT_FRAME_WIDTH;
+   portdef.nFrameHeight = OMX_VID_ENC_AVC_DEFAULT_FRAME_HEIGHT;
+   portdef.nStride = 0;
+   portdef.nSliceHeight = 0;
+   portdef.nBitrate = 64000;
+   portdef.xFramerate = 15;
+   portdef.bFlagErrorConcealment = OMX_FALSE;
+   portdef.eCompressionFormat = OMX_VIDEO_CodingUnused;
+   portdef.eColorFormat = OMX_COLOR_FormatYUV420SemiPlanar;
+   portdef.pNativeWindow = NULL;
+
+   return factory_new(tiz_get_type(ap_hdl, "h264einport"),
+                      &rawvideo_port_opts, &portdef,
+                      &encodings, &formats);
+}
+
+OMX_PTR instantiate_h264e_output_port(OMX_HANDLETYPE ap_hdl)
+{
+   OMX_VIDEO_PORTDEFINITIONTYPE portdef;
+   OMX_VIDEO_PARAM_AVCTYPE avctype;
+   OMX_VIDEO_PARAM_BITRATETYPE bitrate;
+   OMX_VIDEO_PARAM_QUANTIZATIONTYPE quant;
+
+   OMX_VIDEO_CODINGTYPE encodings[] = {
+      OMX_VIDEO_CodingAVC,
+      OMX_VIDEO_CodingMax
+   };
+   OMX_COLOR_FORMATTYPE formats[] = {
+      OMX_COLOR_FormatUnused,
+      OMX_COLOR_FormatMax
+   };
+   tiz_port_options_t avc_port_opts = {
+      OMX_PortDomainVideo,
+      OMX_DirOutput,
+      OMX_VID_ENC_AVC_OUTPUT_PORT_MIN_BUF_COUNT,
+      OMX_VID_ENC_AVC_PORT_MIN_OUTPUT_BUF_SIZE,
+      OMX_VID_ENC_AVC_PORT_NONCONTIGUOUS,
+      OMX_VID_ENC_AVC_PORT_ALIGNMENT,
+      OMX_VID_ENC_AVC_PORT_SUPPLIERPREF,
+      {OMX_VID_ENC_AVC_OUTPUT_PORT_INDEX, NULL, NULL, NULL},
+      0                     /* Master port */
+   };
+   OMX_VIDEO_AVCLEVELTYPE levels[] = {
+      OMX_VIDEO_AVCLevel51,
+      OMX_VIDEO_AVCLevel1,
+      OMX_VIDEO_AVCLevel1b,
+      OMX_VIDEO_AVCLevel11,
+      OMX_VIDEO_AVCLevel12,
+      OMX_VIDEO_AVCLevel13,
+      OMX_VIDEO_AVCLevel2,
+      OMX_VIDEO_AVCLevel21,
+      OMX_VIDEO_AVCLevel22,
+      OMX_VIDEO_AVCLevel3,
+      OMX_VIDEO_AVCLevel31,
+      OMX_VIDEO_AVCLevel32,
+      OMX_VIDEO_AVCLevel4,
+      OMX_VIDEO_AVCLevel41,
+      OMX_VIDEO_AVCLevel42,
+      OMX_VIDEO_AVCLevel5,
+      OMX_VIDEO_AVCLevelMax
+   };
+
+   /* Values set from as given in specification */
+   portdef.pNativeRender = NULL;
+   portdef.nFrameWidth = OMX_VID_ENC_AVC_DEFAULT_FRAME_WIDTH;
+   portdef.nFrameHeight = OMX_VID_ENC_AVC_DEFAULT_FRAME_HEIGHT;
+   portdef.nStride = 0;
+   portdef.nSliceHeight = 0;
+   portdef.nBitrate = 64000;
+   portdef.xFramerate = 15;
+   portdef.bFlagErrorConcealment = OMX_FALSE;
+   portdef.eCompressionFormat = OMX_VIDEO_CodingAVC;
+   portdef.eColorFormat = OMX_COLOR_FormatUnused;
+   portdef.pNativeWindow = NULL;
+
+   bitrate.eControlRate = OMX_Video_ControlRateDisable;
+   bitrate.nTargetBitrate = 0;
+
+   quant.nQpI = OMX_VID_ENC_QUANT_I_FRAMES_DEFAULT;
+   quant.nQpP = OMX_VID_ENC_QUANT_P_FRAMES_DEFAULT;
+   quant.nQpB = OMX_VID_ENC_QUANT_B_FRAMES_DEFAULT;
+
+   avctype.nSize = sizeof (OMX_VIDEO_PARAM_AVCTYPE);
+   avctype.nVersion.nVersion = OMX_VERSION;
+   avctype.nPortIndex = OMX_VID_ENC_AVC_OUTPUT_PORT_INDEX;
+   avctype.eProfile = OMX_VIDEO_AVCProfileBaseline;
+   avctype.nSliceHeaderSpacing = 0;
+   avctype.nPFrames = 0;
+   avctype.nBFrames = 0;
+   avctype.bUseHadamard = OMX_TRUE;
+   avctype.nRefFrames = 1;
+   avctype.nRefIdx10ActiveMinus1 = 1;
+   avctype.nRefIdx11ActiveMinus1 = 0;
+   avctype.bEnableUEP = OMX_FALSE;
+   avctype.bEnableFMO = OMX_FALSE;
+   avctype.bEnableASO = OMX_FALSE;
+   avctype.bEnableRS = OMX_FALSE;
+   avctype.eLevel = OMX_VIDEO_AVCLevel51;
+   avctype.nAllowedPictureTypes = 2;
+   avctype.bFrameMBsOnly = OMX_FALSE;
+   avctype.bMBAFF = OMX_FALSE;
+   avctype.bEntropyCodingCABAC = OMX_FALSE;
+   avctype.bWeightedPPrediction = OMX_FALSE;
+   avctype.nWeightedBipredicitonMode = 0;
+   avctype.bconstIpred = OMX_FALSE;
+   avctype.bDirect8x8Inference = OMX_FALSE;
+   avctype.bDirectSpatialTemporal = OMX_FALSE;
+   avctype.nCabacInitIdc = 0;
+   avctype.eLoopFilterMode = OMX_VIDEO_AVCLoopFilterEnable;
+
+   return factory_new(tiz_get_type(ap_hdl, "h264eoutport"),
+                      &avc_port_opts, &portdef,
+                      &encodings, &formats, &avctype, &levels,
+                      &bitrate, &quant);
+}
+
+OMX_PTR instantiate_h264e_config_port(OMX_HANDLETYPE ap_hdl)
+{
+   return factory_new(tiz_get_type(ap_hdl, "tizconfigport"),
+                      NULL, /* this port does not take options */
+                      OMX_VID_COMP_NAME, h264e_encoder_version);
+}
+
+OMX_PTR instantiate_h264e_processor(OMX_HANDLETYPE ap_hdl)
+{
+   return factory_new(tiz_get_type(ap_hdl, "h264eprc"));
+}
diff --git a/src/gallium/state_trackers/omx/tizonia/h264e.h b/src/gallium/state_trackers/omx/tizonia/h264e.h
new file mode 100644
index 0000000..ad37514
--- /dev/null
+++ b/src/gallium/state_trackers/omx/tizonia/h264e.h
@@ -0,0 +1,55 @@
+/**************************************************************************
+ *
+ * Copyright 2013 Advanced Micro Devices, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef H264E_H
+#define H264E_H
+
+#include <tizonia/OMX_Core.h>
+#include <tizonia/OMX_Types.h>
+#include <tizonia/OMX_Video.h>
+
+#define OMX_VID_ENC_AVC_ROLE "video_encoder.avc"
+
+/* With libtizonia, port indexes must start at index 0 */
+#define OMX_VID_ENC_AVC_INPUT_PORT_INDEX 0
+#define OMX_VID_ENC_AVC_OUTPUT_PORT_INDEX 1
+#define OMX_VID_ENC_AVC_DEFAULT_FRAME_WIDTH 176
+#define OMX_VID_ENC_AVC_DEFAULT_FRAME_HEIGHT 144
+#define OMX_VID_ENC_AVC_INPUT_PORT_MIN_BUF_COUNT 8
+#define OMX_VID_ENC_AVC_OUTPUT_PORT_MIN_BUF_COUNT 2
+#define OMX_VID_ENC_AVC_PORT_MIN_INPUT_BUF_SIZE 4 * 1024
+#define OMX_VID_ENC_AVC_PORT_MIN_OUTPUT_BUF_SIZE 345600
+#define OMX_VID_ENC_AVC_PORT_NONCONTIGUOUS OMX_FALSE
+#define OMX_VID_ENC_AVC_PORT_ALIGNMENT 0
+#define OMX_VID_ENC_AVC_PORT_SUPPLIERPREF OMX_BufferSupplyInput
+
+OMX_PTR instantiate_h264e_config_port(OMX_HANDLETYPE ap_hdl);
+OMX_PTR instantiate_h264e_input_port(OMX_HANDLETYPE ap_hdl);
+OMX_PTR instantiate_h264e_output_port(OMX_HANDLETYPE ap_hdl);
+OMX_PTR instantiate_h264e_processor(OMX_HANDLETYPE ap_hdl);
+
+#endif                          /* H264E_H */
diff --git a/src/gallium/state_trackers/omx/tizonia/h264einport.c b/src/gallium/state_trackers/omx/tizonia/h264einport.c
new file mode 100644
index 0000000..3f34e05
--- /dev/null
+++ b/src/gallium/state_trackers/omx/tizonia/h264einport.c
@@ -0,0 +1,216 @@
+/**************************************************************************
+ *
+ * Copyright 2013 Advanced Micro Devices, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include <assert.h>
+#include <string.h>
+#include <limits.h>
+
+#include <tizplatform.h>
+#include <tizkernel.h>
+
+#include "vl/vl_winsys.h"
+
+#include "h264e.h"
+#include "h264einport.h"
+#include "h264einport_decls.h"
+#include "vid_enc_common.h"
+
+static OMX_ERRORTYPE enc_AllocateBackTexture(OMX_HANDLETYPE ap_hdl,
+                                             OMX_U32 idx,
+                                             struct pipe_resource **resource,
+                                             struct pipe_transfer **transfer,
+                                             OMX_U8 **map)
+{
+   vid_enc_PrivateType * priv = tiz_get_prc(ap_hdl);
+   tiz_port_t * port = tiz_krn_get_port(tiz_get_krn(ap_hdl), idx);
+   struct pipe_resource buf_templ;
+   struct pipe_box box = {};
+   OMX_U8 *ptr;
+
+   memset(&buf_templ, 0, sizeof buf_templ);
+   buf_templ.target = PIPE_TEXTURE_2D;
+   buf_templ.format = PIPE_FORMAT_I8_UNORM;
+   buf_templ.bind = PIPE_BIND_LINEAR;
+   buf_templ.usage = PIPE_USAGE_STAGING;
+   buf_templ.flags = 0;
+   buf_templ.width0 = port->portdef_.format.video.nFrameWidth;
+   buf_templ.height0 = port->portdef_.format.video.nFrameHeight * 3 / 2;
+   buf_templ.depth0 = 1;
+   buf_templ.array_size = 1;
+
+   *resource = priv->s_pipe->screen->resource_create(priv->s_pipe->screen, &buf_templ);
+   if (!*resource)
+      return OMX_ErrorInsufficientResources;
+
+   box.width = (*resource)->width0;
+   box.height = (*resource)->height0;
+   box.depth = (*resource)->depth0;
+   ptr = priv->s_pipe->transfer_map(priv->s_pipe, *resource, 0, PIPE_TRANSFER_WRITE, &box, transfer);
+   if (map)
+      *map = ptr;
+
+   return OMX_ErrorNone;
+}
+
+/*
+ * h264einport class
+ */
+
+static void * h264e_inport_ctor(void * ap_obj, va_list * app)
+{
+   return super_ctor(typeOf(ap_obj, "h264einport"), ap_obj, app);
+}
+
+static void * h264e_inport_dtor(void * ap_obj)
+{
+   return super_dtor(typeOf(ap_obj, "h264einport"), ap_obj);
+}
+
+/*
+ * from tiz_api
+ */
+
+static OMX_ERRORTYPE h264e_inport_AllocateBuffer(const void * ap_obj, OMX_HANDLETYPE ap_hdl,
+                                                 OMX_BUFFERHEADERTYPE ** buf, OMX_U32 idx,
+                                                 OMX_PTR private, OMX_U32 size)
+{
+   struct input_buf_private *inp;
+   OMX_ERRORTYPE r;
+
+   r = super_UseBuffer(typeOf(ap_obj, "h264einport"), ap_obj, ap_hdl,
+                       buf, idx, private, size, NULL);
+   if (r)
+     return r;
+
+   inp = (*buf)->pInputPortPrivate = CALLOC_STRUCT(input_buf_private);
+   if (!inp) {
+     super_FreeBuffer(typeOf(ap_obj, "h264einport"), ap_obj, ap_hdl, idx, *buf);
+     return OMX_ErrorInsufficientResources;
+   }
+
+   LIST_INITHEAD(&inp->tasks);
+
+   r = enc_AllocateBackTexture(ap_hdl, idx, &inp->resource, &inp->transfer, &(*buf)->pBuffer);
+
+   if (r) {
+     FREE(inp);
+     super_FreeBuffer(typeOf(ap_obj, "h264einport"), ap_obj, ap_hdl, idx, *buf);
+     return r;
+   }
+
+   return OMX_ErrorNone;
+}
+
+static OMX_ERRORTYPE h264e_inport_UseBuffer(const void * ap_obj, OMX_HANDLETYPE ap_hdl,
+                                            OMX_BUFFERHEADERTYPE **buf, OMX_U32 idx,
+                                            OMX_PTR private, OMX_U32 size, OMX_U8 *mem)
+{
+   struct input_buf_private *inp;
+   OMX_ERRORTYPE r;
+
+   r = super_UseBuffer(typeOf(ap_obj, "h264einport"), ap_obj, ap_hdl,
+                       buf, idx, private, size, mem);
+   if (r)
+     return r;
+
+   inp = (*buf)->pInputPortPrivate = CALLOC_STRUCT(input_buf_private);
+   if (!inp) {
+     super_FreeBuffer(typeOf(ap_obj, "h264einport"), ap_obj, ap_hdl, idx, *buf);
+     return OMX_ErrorInsufficientResources;
+   }
+
+   LIST_INITHEAD(&inp->tasks);
+
+   return OMX_ErrorNone;
+}
+
+static OMX_ERRORTYPE h264e_inport_FreeBuffer(const void * ap_obj, OMX_HANDLETYPE ap_hdl,
+                                             OMX_U32 idx, OMX_BUFFERHEADERTYPE *buf)
+{
+   vid_enc_PrivateType *priv = tiz_get_prc(ap_hdl);
+   struct input_buf_private *inp = buf->pInputPortPrivate;
+
+   if (inp) {
+     enc_ReleaseTasks(&inp->tasks);
+     if (inp->transfer)
+       pipe_transfer_unmap(priv->s_pipe, inp->transfer);
+     pipe_resource_reference(&inp->resource, NULL);
+     FREE(inp);
+   }
+
+   return super_FreeBuffer(typeOf(ap_obj, "h264einport"), ap_obj, ap_hdl, idx, buf);
+}
+
+/*
+ * h264einport_class
+ */
+
+static void * h264e_inport_class_ctor(void * ap_obj, va_list * app)
+{
+   /* NOTE: Class methods might be added in the future. None for now. */
+   return super_ctor (typeOf (ap_obj, "h264einport_class"), ap_obj, app);
+}
+
+/*
+ * initialization
+ */
+
+void * h264e_inport_class_init(void * ap_tos, void * ap_hdl)
+{
+   void * tizvideoport = tiz_get_type(ap_hdl, "tizvideoport");
+   void * h264einport_class
+     = factory_new(classOf(tizvideoport), "h264einport_class",
+                   classOf(tizvideoport), sizeof(h264e_inport_class_t),
+                   ap_tos, ap_hdl, ctor, h264e_inport_class_ctor, 0);
+   return h264einport_class;
+}
+
+void * h264e_inport_init(void * ap_tos, void * ap_hdl)
+{
+   void * tizvideoport = tiz_get_type (ap_hdl, "tizvideoport");
+   void * h264einport_class = tiz_get_type (ap_hdl, "h264einport_class");
+   void * h264einport = factory_new
+     /* TIZ_CLASS_COMMENT: class type, class name, parent, size */
+     (h264einport_class, "h264einport", tizvideoport,
+      sizeof (h264e_inport_t),
+      /* TIZ_CLASS_COMMENT: class constructor */
+      ap_tos, ap_hdl,
+      /* TIZ_CLASS_COMMENT: class constructor */
+      ctor, h264e_inport_ctor,
+      /* TIZ_CLASS_COMMENT: class destructor */
+      dtor, h264e_inport_dtor,
+      /* TIZ_CLASS_COMMENT: */
+      tiz_api_AllocateBuffer, h264e_inport_AllocateBuffer,
+      /* TIZ_CLASS_COMMENT: */
+      tiz_api_UseBuffer, h264e_inport_UseBuffer,
+      /* TIZ_CLASS_COMMENT: */
+      tiz_api_FreeBuffer, h264e_inport_FreeBuffer,
+      /* TIZ_CLASS_COMMENT: stop value*/
+      0);
+
+   return h264einport;
+}
diff --git a/src/gallium/state_trackers/omx/tizonia/h264einport.h b/src/gallium/state_trackers/omx/tizonia/h264einport.h
new file mode 100644
index 0000000..3dd8906
--- /dev/null
+++ b/src/gallium/state_trackers/omx/tizonia/h264einport.h
@@ -0,0 +1,31 @@
+/**************************************************************************
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef H264EINPORT_H
+#define H264EINPORT_H
+
+void * h264e_inport_class_init(void * ap_tos, void * ap_hdl);
+void * h264e_inport_init(void * ap_tos, void * ap_hdl);
+
+#endif /* H264EINPORT_H */
diff --git a/src/gallium/state_trackers/omx/tizonia/h264einport_decls.h b/src/gallium/state_trackers/omx/tizonia/h264einport_decls.h
new file mode 100644
index 0000000..b078d3c
--- /dev/null
+++ b/src/gallium/state_trackers/omx/tizonia/h264einport_decls.h
@@ -0,0 +1,48 @@
+/**************************************************************************
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef H264EINPORT_DECLS_H
+#define H264EINPORT_DECLS_H
+
+#include <OMX_TizoniaExt.h>
+#include <tizonia/OMX_Types.h>
+
+#include <tizvideoport_decls.h>
+
+typedef struct h264e_inport h264e_inport_t;
+struct h264e_inport
+{
+   /* Object */
+   const tiz_videoport_t _;
+};
+
+typedef struct h264e_inport_class h264e_inport_class_t;
+struct h264e_inport_class
+{
+   /* Class */
+   const tiz_videoport_class_t _;
+   /* NOTE: Class methods might be added in the future */
+};
+
+#endif /* H264EINPORT_DECLS_H */
diff --git a/src/gallium/state_trackers/omx/tizonia/h264eoutport.c b/src/gallium/state_trackers/omx/tizonia/h264eoutport.c
new file mode 100644
index 0000000..775e042
--- /dev/null
+++ b/src/gallium/state_trackers/omx/tizonia/h264eoutport.c
@@ -0,0 +1,143 @@
+/**************************************************************************
+ *
+ * Copyright 2013 Advanced Micro Devices, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include <assert.h>
+#include <string.h>
+#include <limits.h>
+
+#include <tizplatform.h>
+
+#include "vl/vl_winsys.h"
+
+#include "h264eoutport.h"
+#include "h264eoutport_decls.h"
+#include "vid_enc_common.h"
+
+/*
+ * h264eoutport class
+ */
+
+static void * h264e_outport_ctor(void * ap_obj, va_list * app)
+{
+   return super_ctor(typeOf(ap_obj, "h264eoutport"), ap_obj, app);
+}
+
+static void * h264e_outport_dtor(void * ap_obj)
+{
+   return super_dtor(typeOf(ap_obj, "h264eoutport"), ap_obj);
+}
+
+/*
+ * from tiz_api
+ */
+
+static OMX_ERRORTYPE h264e_outport_AllocateBuffer(const void * ap_obj, OMX_HANDLETYPE ap_hdl,
+                                                  OMX_BUFFERHEADERTYPE ** buf, OMX_U32 idx,
+                                                  OMX_PTR private, OMX_U32 size)
+{
+   OMX_ERRORTYPE r;
+
+   r = super_UseBuffer(typeOf(ap_obj, "h264eoutport"), ap_obj, ap_hdl,
+                            buf, idx, private, size, NULL);
+   if (r)
+      return r;
+
+   (*buf)->pBuffer = NULL;
+   (*buf)->pOutputPortPrivate = CALLOC(1, sizeof(struct output_buf_private));
+   if (!(*buf)->pOutputPortPrivate) {
+      super_FreeBuffer(typeOf(ap_obj, "h264eoutport"), ap_obj, ap_hdl, idx, *buf);
+      return OMX_ErrorInsufficientResources;
+   }
+
+   return OMX_ErrorNone;
+}
+
+static OMX_ERRORTYPE h264e_outport_FreeBuffer(const void * ap_obj, OMX_HANDLETYPE ap_hdl,
+                                              OMX_U32 idx, OMX_BUFFERHEADERTYPE *buf)
+{
+   vid_enc_PrivateType *priv = tiz_get_prc(ap_hdl);
+   struct output_buf_private *outp = buf->pOutputPortPrivate;
+
+   if (outp) {
+      if (outp->transfer)
+         pipe_transfer_unmap(priv->t_pipe, outp->transfer);
+      pipe_resource_reference(&outp->bitstream, NULL);
+      FREE(outp);
+      buf->pOutputPortPrivate = NULL;
+   }
+   buf->pBuffer = NULL;
+
+   return super_FreeBuffer(typeOf(ap_obj, "h264eoutport"), ap_obj, ap_hdl, idx, buf);
+}
+
+/*
+ * h264e_outport_class
+ */
+
+static void * h264e_outport_class_ctor(void * ap_obj, va_list * app)
+{
+    /* NOTE: Class methods might be added in the future. None for now. */
+    return super_ctor(typeOf(ap_obj, "h264eoutport_class"), ap_obj, app);
+}
+
+/*
+ * initialization
+ */
+
+void * h264e_outport_class_init(void * ap_tos, void * ap_hdl)
+{
+   void * tizavcport = tiz_get_type(ap_hdl, "tizavcport");
+   void * h264eoutport_class
+     = factory_new (classOf(tizavcport), "h264eoutport_class",
+                    classOf(tizavcport), sizeof(h264e_outport_class_t),
+                    ap_tos, ap_hdl, ctor, h264e_outport_class_ctor, 0);
+   return h264eoutport_class;
+}
+
+void * h264e_outport_init(void * ap_tos, void * ap_hdl)
+{
+   void * tizavcport = tiz_get_type(ap_hdl, "tizavcport");
+   void * h264eoutport_class = tiz_get_type(ap_hdl, "h264eoutport_class");
+   void * h264eoutport = factory_new
+     /* TIZ_CLASS_COMMENT: class type, class name, parent, size */
+     (h264eoutport_class, "h264eoutport", tizavcport,
+      sizeof(h264e_outport_t),
+      /* TIZ_CLASS_COMMENT: class constructor */
+      ap_tos, ap_hdl,
+      /* TIZ_CLASS_COMMENT: class constructor */
+      ctor, h264e_outport_ctor,
+      /* TIZ_CLASS_COMMENT: class destructor */
+      dtor, h264e_outport_dtor,
+      /* TIZ_CLASS_COMMENT: */
+      tiz_api_AllocateBuffer, h264e_outport_AllocateBuffer,
+      /* TIZ_CLASS_COMMENT: */
+      tiz_api_FreeBuffer, h264e_outport_FreeBuffer,
+      /* TIZ_CLASS_COMMENT: stop value*/
+      0);
+
+   return h264eoutport;
+}
diff --git a/src/gallium/state_trackers/omx/tizonia/h264eoutport.h b/src/gallium/state_trackers/omx/tizonia/h264eoutport.h
new file mode 100644
index 0000000..afbf9fe
--- /dev/null
+++ b/src/gallium/state_trackers/omx/tizonia/h264eoutport.h
@@ -0,0 +1,31 @@
+/**************************************************************************
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef H264EOUTPORT_H
+#define H264EOUTPORT_H
+
+void * h264e_outport_class_init(void * ap_tos, void * ap_hdl);
+void * h264e_outport_init(void * ap_tos, void * ap_hdl);
+
+#endif /* H264EOUTPORT_H */
diff --git a/src/gallium/state_trackers/omx/tizonia/h264eoutport_decls.h b/src/gallium/state_trackers/omx/tizonia/h264eoutport_decls.h
new file mode 100644
index 0000000..482947e
--- /dev/null
+++ b/src/gallium/state_trackers/omx/tizonia/h264eoutport_decls.h
@@ -0,0 +1,48 @@
+/**************************************************************************
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef H264EOUTPORT_DECLS_H
+#define H264EOUTPORT_DECLS_H
+
+#include <OMX_TizoniaExt.h>
+#include <tizonia/OMX_Types.h>
+
+#include <tizavcport_decls.h>
+
+typedef struct h264e_outport h264e_outport_t;
+struct h264e_outport
+{
+   /* Object */
+   const tiz_avcport_t _;
+};
+
+typedef struct h264e_outport_class h264e_outport_class_t;
+struct h264e_outport_class
+{
+   /* Class */
+   const tiz_avcport_class_t _;
+   /* NOTE: Class methods might be added in the future */
+};
+
+#endif /* H264EOUTPORT_DECLS_H */
diff --git a/src/gallium/state_trackers/omx/tizonia/h264eprc.c b/src/gallium/state_trackers/omx/tizonia/h264eprc.c
new file mode 100644
index 0000000..dce81e6
--- /dev/null
+++ b/src/gallium/state_trackers/omx/tizonia/h264eprc.c
@@ -0,0 +1,689 @@
+/**************************************************************************
+ *
+ * Copyright 2013 Advanced Micro Devices, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include <tizplatform.h>
+#include <tizkernel.h>
+#include <tizutils.h>
+
+#include "pipe/p_screen.h"
+#include "pipe/p_video_codec.h"
+#include "util/u_memory.h"
+#include "vl/vl_screen.h"
+
+#include "entrypoint.h"
+#include "h264e.h"
+#include "h264eprc.h"
+#include "vid_enc_common.h"
+
+static OMX_ERRORTYPE init_port_structs(vid_enc_PrivateType * priv) {
+   const void * p_krn = NULL;
+
+   assert(priv);
+
+   /* Initialisation */
+   TIZ_INIT_OMX_PORT_STRUCT(priv->in_port_def_,
+                            OMX_VID_ENC_AVC_INPUT_PORT_INDEX);
+   TIZ_INIT_OMX_PORT_STRUCT(priv->out_port_def_,
+                            OMX_VID_ENC_AVC_OUTPUT_PORT_INDEX);
+   TIZ_INIT_OMX_PORT_STRUCT(priv->bitrate,
+                            OMX_VID_ENC_AVC_OUTPUT_PORT_INDEX);
+   TIZ_INIT_OMX_PORT_STRUCT(priv->quant,
+                            OMX_VID_ENC_AVC_OUTPUT_PORT_INDEX);
+   TIZ_INIT_OMX_PORT_STRUCT(priv->profile_level,
+                            OMX_VID_ENC_AVC_OUTPUT_PORT_INDEX);
+
+   /* Get values */
+   p_krn = tiz_get_krn(handleOf(priv));
+
+   tiz_check_omx(
+      tiz_api_GetParameter(p_krn, handleOf(priv),
+                           OMX_IndexParamPortDefinition, &(priv->in_port_def_)));
+   tiz_check_omx(
+      tiz_api_GetParameter(p_krn, handleOf(priv),
+                           OMX_IndexParamPortDefinition, &(priv->out_port_def_)));
+   tiz_check_omx(
+      tiz_api_GetParameter(p_krn, handleOf(priv),
+                           OMX_IndexParamVideoBitrate, &(priv->bitrate)));
+   tiz_check_omx(
+      tiz_api_GetParameter(p_krn, handleOf(priv),
+                           OMX_IndexParamVideoQuantization, &(priv->quant)));
+   tiz_check_omx(
+      tiz_api_GetParameter(p_krn, handleOf(priv),
+                           OMX_IndexParamVideoProfileLevelCurrent, &(priv->profile_level)));
+
+   return OMX_ErrorNone;
+}
+
+static OMX_BUFFERHEADERTYPE * get_input_buffer(vid_enc_PrivateType * priv) {
+   assert(priv);
+
+   if (priv->in_port_disabled_) {
+      return NULL;
+   }
+
+   assert(!priv->p_inhdr_); /* encode_frame expects new buffers every time */
+
+   tiz_krn_claim_buffer(tiz_get_krn(handleOf(priv)),
+                        OMX_VID_ENC_AVC_INPUT_PORT_INDEX, 0,
+                        &priv->p_inhdr_);
+   return priv->p_inhdr_;
+}
+
+static OMX_BUFFERHEADERTYPE * get_output_buffer(vid_enc_PrivateType * priv) {
+   assert(priv);
+
+   if (priv->out_port_disabled_) {
+      return NULL;
+   }
+
+   if (!priv->p_outhdr_) {
+      tiz_krn_claim_buffer(tiz_get_krn(handleOf(priv)),
+                           OMX_VID_ENC_AVC_OUTPUT_PORT_INDEX, 0,
+                           &priv->p_outhdr_);
+   }
+   return priv->p_outhdr_;
+}
+
+static OMX_ERRORTYPE h264e_buffer_emptied(vid_enc_PrivateType * priv, OMX_BUFFERHEADERTYPE * p_hdr)
+{
+   OMX_ERRORTYPE r = OMX_ErrorNone;
+
+   assert(priv);
+   assert(priv->p_inhdr_ == p_hdr);
+
+   if (!priv->out_port_disabled_) {
+      p_hdr->nOffset = 0;
+
+      if ((p_hdr->nFlags & OMX_BUFFERFLAG_EOS) != 0) {
+         priv->eos_ = true;
+      }
+
+      r = tiz_krn_release_buffer(tiz_get_krn(handleOf(priv)), 0, p_hdr);
+      priv->p_inhdr_ = NULL;
+   }
+
+   return r;
+}
+
+static OMX_ERRORTYPE h264e_buffer_filled(vid_enc_PrivateType * priv, OMX_BUFFERHEADERTYPE * p_hdr)
+{
+   OMX_ERRORTYPE r = OMX_ErrorNone;
+
+   assert(priv);
+   assert(priv->p_outhdr_ == p_hdr);
+   assert(p_hdr);
+
+   if (!priv->in_port_disabled_) {
+      p_hdr->nOffset = 0;
+
+      if (priv->eos_) {
+         /* EOS has been received and all the input data has been consumed
+          * already, so its time to propagate the EOS flag */
+         priv->p_outhdr_->nFlags |= OMX_BUFFERFLAG_EOS;
+      }
+
+      r = tiz_krn_release_buffer(tiz_get_krn(handleOf(priv)),
+                                 OMX_VID_ENC_AVC_OUTPUT_PORT_INDEX,
+                                 p_hdr);
+      priv->p_outhdr_ = NULL;
+   }
+
+   return r;
+}
+
+
+static void release_input_header(vid_enc_PrivateType * priv) {
+   assert(!priv->in_port_disabled_);
+   if (priv->p_inhdr_) {
+      (void) tiz_krn_release_buffer(tiz_get_krn(handleOf(priv)),
+                             OMX_VID_ENC_AVC_INPUT_PORT_INDEX,
+                             priv->p_inhdr_);
+   }
+   priv->p_inhdr_ = NULL;
+}
+
+static void release_output_header(vid_enc_PrivateType * priv) {
+   if (priv->p_outhdr_) {
+      assert(!priv->out_port_disabled_);
+      (void) tiz_krn_release_buffer(tiz_get_krn(handleOf(priv)),
+                             OMX_VID_ENC_AVC_OUTPUT_PORT_INDEX,
+                             priv->p_outhdr_);
+      priv->p_outhdr_ = NULL;
+   }
+}
+
+static OMX_ERRORTYPE h264e_release_all_headers(vid_enc_PrivateType * priv)
+{
+   assert(priv);
+
+   release_input_header(priv);
+   release_output_header(priv);
+
+   return OMX_ErrorNone;
+}
+
+static void reset_stream_parameters(vid_enc_PrivateType * priv)
+{
+   assert(priv);
+   init_port_structs(priv);
+   priv->p_inhdr_ = 0;
+   priv->p_outhdr_ = 0;
+   priv->eos_ = false;
+}
+
+/* Replacement for bellagio's omx_base_filter_BufferMgmtFunction */
+static OMX_ERRORTYPE h264e_manage_buffers(vid_enc_PrivateType* priv) {
+   OMX_BUFFERHEADERTYPE * in_buf = priv->p_inhdr_;
+   OMX_BUFFERHEADERTYPE * out_buf = priv->p_outhdr_;
+   OMX_ERRORTYPE r = OMX_ErrorNone;
+
+   if (in_buf->nFilledLen > 0) {
+      vid_enc_BufferEncoded_common(priv, in_buf, out_buf);
+   } else {
+      in_buf->nFilledLen = 0;
+   }
+
+   out_buf->nTimeStamp = in_buf->nTimeStamp;
+
+   /* Release input buffer if possible */
+   if (in_buf->nFilledLen == 0) {
+      r = h264e_buffer_emptied(priv, in_buf);
+   }
+
+   /* Realase output buffer if filled or eos */
+   if ((out_buf->nFilledLen != 0) || priv->eos_) {
+      r = h264e_buffer_filled(priv, out_buf);
+   }
+
+   return r;
+}
+
+static struct encode_task *enc_NeedTask(vid_enc_PrivateType * priv)
+{
+   OMX_VIDEO_PORTDEFINITIONTYPE *def = &priv->in_port_def_.format.video;
+
+   return enc_NeedTask_common(priv, def);
+}
+
+static void enc_ScaleInput(vid_enc_PrivateType * priv, struct pipe_video_buffer **vbuf, unsigned *size)
+{
+   OMX_VIDEO_PORTDEFINITIONTYPE *def = &priv->in_port_def_.format.video;
+   enc_ScaleInput_common(priv, def, vbuf, size);
+}
+
+static void enc_HandleTask(vid_enc_PrivateType * priv, struct encode_task *task,
+                           enum pipe_h264_enc_picture_type picture_type)
+{
+   unsigned size = priv->out_port_def_.nBufferSize;
+   struct pipe_video_buffer *vbuf = task->buf;
+   struct pipe_h264_enc_picture_desc picture = {};
+
+   /* -------------- scale input image --------- */
+   enc_ScaleInput(priv, &vbuf, &size);
+   priv->s_pipe->flush(priv->s_pipe, NULL, 0);
+
+   /* -------------- allocate output buffer --------- */
+   task->bitstream = pipe_buffer_create(priv->s_pipe->screen,
+                                        PIPE_BIND_VERTEX_BUFFER,
+                                        PIPE_USAGE_STAGING, /* map for read */
+                                        size);
+
+   picture.picture_type = picture_type;
+   picture.pic_order_cnt = task->pic_order_cnt;
+   if (priv->restricted_b_frames && picture_type == PIPE_H264_ENC_PICTURE_TYPE_B)
+      picture.not_referenced = true;
+   enc_ControlPicture_common(priv, &picture);
+
+   /* -------------- encode frame --------- */
+   priv->codec->begin_frame(priv->codec, vbuf, &picture.base);
+   priv->codec->encode_bitstream(priv->codec, vbuf, task->bitstream, &task->feedback);
+   priv->codec->end_frame(priv->codec, vbuf, &picture.base);
+}
+
+static void enc_ClearBframes(vid_enc_PrivateType * priv, struct input_buf_private *inp)
+{
+   struct encode_task *task;
+
+   if (LIST_IS_EMPTY(&priv->b_frames))
+      return;
+
+   task = LIST_ENTRY(struct encode_task, priv->b_frames.prev, list);
+   LIST_DEL(&task->list);
+
+   /* promote last from to P frame */
+   priv->ref_idx_l0 = priv->ref_idx_l1;
+   enc_HandleTask(priv, task, PIPE_H264_ENC_PICTURE_TYPE_P);
+   LIST_ADDTAIL(&task->list, &inp->tasks);
+   priv->ref_idx_l1 = priv->frame_num++;
+
+   /* handle B frames */
+   LIST_FOR_EACH_ENTRY(task, &priv->b_frames, list) {
+      enc_HandleTask(priv, task, PIPE_H264_ENC_PICTURE_TYPE_B);
+      if (!priv->restricted_b_frames)
+         priv->ref_idx_l0 = priv->frame_num;
+      priv->frame_num++;
+   }
+
+   enc_MoveTasks(&priv->b_frames, &inp->tasks);
+}
+
+static OMX_ERRORTYPE enc_LoadImage(vid_enc_PrivateType * priv, OMX_BUFFERHEADERTYPE *buf,
+                                   struct pipe_video_buffer *vbuf)
+{
+   OMX_VIDEO_PORTDEFINITIONTYPE *def = &priv->in_port_def_.format.video;
+   return enc_LoadImage_common(priv, def, buf, vbuf);
+}
+
+static OMX_ERRORTYPE encode_frame(vid_enc_PrivateType * priv, OMX_BUFFERHEADERTYPE * in_buf)
+{
+   struct input_buf_private *inp = in_buf->pInputPortPrivate;
+   enum pipe_h264_enc_picture_type picture_type;
+   struct encode_task *task;
+   unsigned stacked_num = 0;
+   OMX_ERRORTYPE err;
+
+   enc_MoveTasks(&inp->tasks, &priv->free_tasks);
+   task = enc_NeedTask(priv);
+   if (!task)
+      return OMX_ErrorInsufficientResources;
+
+   /* EOS */
+   if (in_buf->nFilledLen == 0) {
+      if (in_buf->nFlags & OMX_BUFFERFLAG_EOS) {
+         in_buf->nFilledLen = in_buf->nAllocLen;
+         enc_ClearBframes(priv, inp);
+         enc_MoveTasks(&priv->stacked_tasks, &inp->tasks);
+         priv->codec->flush(priv->codec);
+      }
+      return h264e_manage_buffers(priv);
+   }
+
+   if (in_buf->pOutputPortPrivate) {
+      struct pipe_video_buffer *vbuf = in_buf->pOutputPortPrivate;
+      in_buf->pOutputPortPrivate = task->buf;
+      task->buf = vbuf;
+   } else {
+      /* ------- load input image into video buffer ---- */
+      err = enc_LoadImage(priv, in_buf, task->buf);
+      if (err != OMX_ErrorNone) {
+         FREE(task);
+         return err;
+      }
+   }
+
+   /* -------------- determine picture type --------- */
+   if (!(priv->pic_order_cnt % OMX_VID_ENC_IDR_PERIOD_DEFAULT) ||
+       priv->force_pic_type.IntraRefreshVOP) {
+      enc_ClearBframes(priv, inp);
+      picture_type = PIPE_H264_ENC_PICTURE_TYPE_IDR;
+      priv->force_pic_type.IntraRefreshVOP = OMX_FALSE;
+      priv->frame_num = 0;
+   } else if (priv->codec->profile == PIPE_VIDEO_PROFILE_MPEG4_AVC_BASELINE ||
+              !(priv->pic_order_cnt % OMX_VID_ENC_P_PERIOD_DEFAULT) ||
+              (in_buf->nFlags & OMX_BUFFERFLAG_EOS)) {
+      picture_type = PIPE_H264_ENC_PICTURE_TYPE_P;
+   } else {
+      picture_type = PIPE_H264_ENC_PICTURE_TYPE_B;
+   }
+
+   task->pic_order_cnt = priv->pic_order_cnt++;
+
+   if (picture_type == PIPE_H264_ENC_PICTURE_TYPE_B) {
+      /* put frame at the tail of the queue */
+      LIST_ADDTAIL(&task->list, &priv->b_frames);
+   } else {
+      /* handle I or P frame */
+      priv->ref_idx_l0 = priv->ref_idx_l1;
+      enc_HandleTask(priv, task, picture_type);
+      LIST_ADDTAIL(&task->list, &priv->stacked_tasks);
+      LIST_FOR_EACH_ENTRY(task, &priv->stacked_tasks, list) {
+         ++stacked_num;
+      }
+      if (stacked_num == priv->stacked_frames_num) {
+         struct encode_task *t;
+         t = LIST_ENTRY(struct encode_task, priv->stacked_tasks.next, list);
+         LIST_DEL(&t->list);
+         LIST_ADDTAIL(&t->list, &inp->tasks);
+      }
+      priv->ref_idx_l1 = priv->frame_num++;
+
+      /* handle B frames */
+      LIST_FOR_EACH_ENTRY(task, &priv->b_frames, list) {
+         enc_HandleTask(priv, task, PIPE_H264_ENC_PICTURE_TYPE_B);
+         if (!priv->restricted_b_frames)
+            priv->ref_idx_l0 = priv->frame_num;
+         priv->frame_num++;
+      }
+
+      enc_MoveTasks(&priv->b_frames, &inp->tasks);
+   }
+
+   if (LIST_IS_EMPTY(&inp->tasks)) {
+      return h264e_buffer_emptied(priv, in_buf);
+   } else {
+      return h264e_manage_buffers(priv);
+   }
+}
+
+static OMX_ERRORTYPE h264e_prc_create_encoder(void *ap_obj)
+{
+   vid_enc_PrivateType *priv = ap_obj;
+   struct pipe_screen *screen;
+
+   priv->screen = vl_get_screen("OMX_RENDER_NODE");
+   if (!priv->screen)
+      return OMX_ErrorInsufficientResources;
+
+   screen = priv->screen->pscreen;
+   if (!screen->get_video_param(screen, PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH,
+                                PIPE_VIDEO_ENTRYPOINT_ENCODE, PIPE_VIDEO_CAP_SUPPORTED))
+      return OMX_ErrorBadParameter;
+
+   priv->s_pipe = screen->context_create(screen, NULL, 0);
+   if (!priv->s_pipe)
+      return OMX_ErrorInsufficientResources;
+
+   if (!vl_compositor_init(&priv->compositor, priv->s_pipe)) {
+      priv->s_pipe->destroy(priv->s_pipe);
+      priv->s_pipe = NULL;
+      return OMX_ErrorInsufficientResources;
+   }
+
+   if (!vl_compositor_init_state(&priv->cstate, priv->s_pipe)) {
+      vl_compositor_cleanup(&priv->compositor);
+      priv->s_pipe->destroy(priv->s_pipe);
+      priv->s_pipe = NULL;
+      return OMX_ErrorInsufficientResources;
+   }
+
+   priv->t_pipe = screen->context_create(screen, NULL, 0);
+   if (!priv->t_pipe)
+      return OMX_ErrorInsufficientResources;
+
+   LIST_INITHEAD(&priv->free_tasks);
+   LIST_INITHEAD(&priv->used_tasks);
+   LIST_INITHEAD(&priv->b_frames);
+   LIST_INITHEAD(&priv->stacked_tasks);
+
+   return OMX_ErrorNone;
+}
+
+static void h264e_prc_destroy_encoder(void *ap_obj)
+{
+   vid_enc_PrivateType *priv = ap_obj;
+   int i;
+
+   assert (priv);
+
+   enc_ReleaseTasks(&priv->free_tasks);
+   enc_ReleaseTasks(&priv->used_tasks);
+   enc_ReleaseTasks(&priv->b_frames);
+   enc_ReleaseTasks(&priv->stacked_tasks);
+
+   for (i = 0; i < OMX_VID_ENC_NUM_SCALING_BUFFERS; ++i)
+      if (priv->scale_buffer[i])
+      priv->scale_buffer[i]->destroy(priv->scale_buffer[i]);
+
+   if (priv->s_pipe) {
+      vl_compositor_cleanup_state(&priv->cstate);
+      vl_compositor_cleanup(&priv->compositor);
+      priv->s_pipe->destroy(priv->s_pipe);
+   }
+
+   if (priv->t_pipe)
+      priv->t_pipe->destroy(priv->t_pipe);
+
+   if (priv->screen)
+      vl_put_screen();
+}
+
+/*
+ * h264eprc
+ */
+
+static void * h264e_prc_ctor(void *ap_obj, va_list * app)
+{
+   vid_enc_PrivateType *priv = super_ctor(typeOf(ap_obj, "h264eprc"), ap_obj, app);
+   assert (priv);
+
+   if (h264e_prc_create_encoder(ap_obj) != OMX_ErrorNone)
+     return NULL;
+
+   priv->p_inhdr_ = 0;
+   priv->p_outhdr_ = 0;
+   priv->profile_level.eProfile = OMX_VIDEO_AVCProfileBaseline;
+   priv->profile_level.eLevel = OMX_VIDEO_AVCLevel51;
+   priv->force_pic_type.IntraRefreshVOP = OMX_FALSE;
+   priv->frame_num = 0;
+   priv->pic_order_cnt = 0;
+   priv->restricted_b_frames = debug_get_bool_option("OMX_USE_RESTRICTED_B_FRAMES", FALSE);
+   priv->scale.xWidth = OMX_VID_ENC_SCALING_WIDTH_DEFAULT;
+   priv->scale.xHeight = OMX_VID_ENC_SCALING_WIDTH_DEFAULT;
+   priv->in_port_disabled_   = false;
+   priv->out_port_disabled_   = false;
+   reset_stream_parameters(priv);
+
+   return priv;
+}
+
+static void * h264e_prc_dtor(void *ap_obj)
+{
+   h264e_prc_destroy_encoder(ap_obj);
+   return super_dtor(typeOf(ap_obj, "h264eprc"), ap_obj);
+}
+
+static OMX_ERRORTYPE h264e_prc_allocate_resources(void *ap_obj, OMX_U32 a_pid)
+{
+   return OMX_ErrorNone;
+}
+
+static OMX_ERRORTYPE h264e_prc_deallocate_resources(void *ap_obj)
+{
+   return OMX_ErrorNone;
+}
+
+static OMX_ERRORTYPE h264e_prc_prepare_to_transfer(void *ap_obj, OMX_U32 a_pid)
+{
+   vid_enc_PrivateType *priv = ap_obj;
+
+   assert(priv);
+
+   init_port_structs(priv);
+
+   priv->eos_ = false;
+
+   struct pipe_video_codec templat = {};
+
+   templat.profile = enc_TranslateOMXProfileToPipe(priv->profile_level.eProfile);
+   templat.level = enc_TranslateOMXLevelToPipe(priv->profile_level.eLevel);
+   templat.entrypoint = PIPE_VIDEO_ENTRYPOINT_ENCODE;
+   templat.chroma_format = PIPE_VIDEO_CHROMA_FORMAT_420;
+   templat.width = priv->scale_buffer[priv->current_scale_buffer] ?
+                     priv->scale.xWidth : priv->in_port_def_.format.video.nFrameWidth;
+   templat.height = priv->scale_buffer[priv->current_scale_buffer] ?
+                      priv->scale.xHeight : priv->in_port_def_.format.video.nFrameHeight;
+
+   if (templat.profile == PIPE_VIDEO_PROFILE_MPEG4_AVC_BASELINE) {
+      struct pipe_screen *screen = priv->screen->pscreen;
+      templat.max_references = 1;
+      priv->stacked_frames_num =
+         screen->get_video_param(screen,
+                                 PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH,
+                                 PIPE_VIDEO_ENTRYPOINT_ENCODE,
+                                 PIPE_VIDEO_CAP_STACKED_FRAMES);
+   } else {
+      templat.max_references = OMX_VID_ENC_P_PERIOD_DEFAULT;
+      priv->stacked_frames_num = 1;
+   }
+   priv->codec = priv->s_pipe->create_video_codec(priv->s_pipe, &templat);
+
+   return OMX_ErrorNone;
+}
+
+static OMX_ERRORTYPE h264e_prc_transfer_and_process(void *ap_obj, OMX_U32 a_pid)
+{
+   return OMX_ErrorNone;
+}
+
+static OMX_ERRORTYPE h264e_prc_stop_and_return(void *ap_obj)
+{
+   vid_enc_PrivateType *priv = (vid_enc_PrivateType *) ap_obj;
+   return h264e_release_all_headers(priv);
+}
+
+static OMX_ERRORTYPE h264e_prc_buffers_ready(const void *ap_obj)
+{
+   vid_enc_PrivateType *priv = (vid_enc_PrivateType *) ap_obj;
+   OMX_BUFFERHEADERTYPE *in_buf = NULL;
+   OMX_BUFFERHEADERTYPE *out_buf = NULL;
+   OMX_ERRORTYPE r = OMX_ErrorNone;
+
+   assert(priv);
+
+   /* Don't get input buffer if output buffer not found */
+   while (!priv->eos_ && (out_buf = get_output_buffer(priv)) && (in_buf = get_input_buffer(priv))) {
+      if (!priv->out_port_disabled_) {
+         r = encode_frame(priv, in_buf);
+      }
+   }
+
+   return r;
+}
+
+static OMX_ERRORTYPE h264e_prc_port_flush(const void *ap_obj, OMX_U32 a_pid)
+{
+   vid_enc_PrivateType *priv = (vid_enc_PrivateType *) ap_obj;
+   if (OMX_ALL == a_pid || OMX_VID_ENC_AVC_INPUT_PORT_INDEX == a_pid) {
+      release_input_header(priv);
+      reset_stream_parameters(priv);
+   }
+   if (OMX_ALL == a_pid || OMX_VID_ENC_AVC_OUTPUT_PORT_INDEX == a_pid) {
+      release_output_header(priv);
+   }
+   return OMX_ErrorNone;
+}
+
+static OMX_ERRORTYPE h264e_prc_port_disable(const void *ap_obj, OMX_U32 a_pid)
+{
+   vid_enc_PrivateType *priv = (vid_enc_PrivateType *) ap_obj;
+   assert(priv);
+   if (OMX_ALL == a_pid || OMX_VID_ENC_AVC_INPUT_PORT_INDEX == a_pid) {
+      /* Release all buffers */
+      h264e_release_all_headers(priv);
+      reset_stream_parameters(priv);
+      priv->in_port_disabled_ = true;
+   }
+   if (OMX_ALL == a_pid || OMX_VID_ENC_AVC_OUTPUT_PORT_INDEX == a_pid) {
+      release_output_header(priv);
+      priv->out_port_disabled_ = true;
+   }
+   return OMX_ErrorNone;
+}
+
+static OMX_ERRORTYPE h264e_prc_port_enable(const void *ap_obj, OMX_U32 a_pid)
+{
+   vid_enc_PrivateType * priv = (vid_enc_PrivateType *) ap_obj;
+   assert(priv);
+   if (OMX_ALL == a_pid || OMX_VID_ENC_AVC_INPUT_PORT_INDEX == a_pid) {
+      if (priv->in_port_disabled_) {
+         reset_stream_parameters(priv);
+         priv->in_port_disabled_ = false;
+      }
+   }
+   if (OMX_ALL == a_pid || OMX_VID_ENC_AVC_OUTPUT_PORT_INDEX == a_pid) {
+      priv->out_port_disabled_ = false;
+   }
+   return OMX_ErrorNone;
+}
+
+/*
+ * h264e_prc_class
+ */
+
+static void * h264e_prc_class_ctor(void *ap_obj, va_list * app)
+{
+   /* NOTE: Class methods might be added in the future. None for now. */
+   return super_ctor(typeOf(ap_obj, "h264eprc_class"), ap_obj, app);
+}
+
+/*
+ * initialization
+ */
+
+void * h264e_prc_class_init(void * ap_tos, void * ap_hdl)
+{
+   void * tizprc = tiz_get_type(ap_hdl, "tizprc");
+   void * h264eprc_class = factory_new
+      /* TIZ_CLASS_COMMENT: class type, class name, parent, size */
+      (classOf(tizprc), "h264eprc_class", classOf(tizprc),
+       sizeof(h264e_prc_class_t),
+       /* TIZ_CLASS_COMMENT: */
+       ap_tos, ap_hdl,
+       /* TIZ_CLASS_COMMENT: class constructor */
+       ctor, h264e_prc_class_ctor,
+       /* TIZ_CLASS_COMMENT: stop value*/
+       0);
+   return h264eprc_class;
+}
+
+void * h264e_prc_init(void * ap_tos, void * ap_hdl)
+{
+   void * tizprc = tiz_get_type(ap_hdl, "tizprc");
+   void * h264eprc_class = tiz_get_type(ap_hdl, "h264eprc_class");
+   TIZ_LOG_CLASS (h264eprc_class);
+   void * h264eprc = factory_new
+      /* TIZ_CLASS_COMMENT: class type, class name, parent, size */
+      (h264eprc_class, "h264eprc", tizprc, sizeof(vid_enc_PrivateType),
+       /* TIZ_CLASS_COMMENT: */
+       ap_tos, ap_hdl,
+       /* TIZ_CLASS_COMMENT: class constructor */
+       ctor, h264e_prc_ctor,
+       /* TIZ_CLASS_COMMENT: class destructor */
+       dtor, h264e_prc_dtor,
+       /* TIZ_CLASS_COMMENT: */
+       tiz_srv_allocate_resources, h264e_prc_allocate_resources,
+       /* TIZ_CLASS_COMMENT: */
+       tiz_srv_deallocate_resources, h264e_prc_deallocate_resources,
+       /* TIZ_CLASS_COMMENT: */
+       tiz_srv_prepare_to_transfer, h264e_prc_prepare_to_transfer,
+       /* TIZ_CLASS_COMMENT: */
+       tiz_srv_transfer_and_process, h264e_prc_transfer_and_process,
+       /* TIZ_CLASS_COMMENT: */
+       tiz_srv_stop_and_return, h264e_prc_stop_and_return,
+       /* TIZ_CLASS_COMMENT: */
+       tiz_prc_buffers_ready, h264e_prc_buffers_ready,
+       /* TIZ_CLASS_COMMENT: */
+       tiz_prc_port_flush, h264e_prc_port_flush,
+       /* TIZ_CLASS_COMMENT: */
+       tiz_prc_port_disable, h264e_prc_port_disable,
+       /* TIZ_CLASS_COMMENT: */
+       tiz_prc_port_enable, h264e_prc_port_enable,
+       /* TIZ_CLASS_COMMENT: stop value*/
+       0);
+
+   return h264eprc;
+}
diff --git a/src/gallium/state_trackers/omx/tizonia/h264eprc.h b/src/gallium/state_trackers/omx/tizonia/h264eprc.h
new file mode 100644
index 0000000..c5bc151
--- /dev/null
+++ b/src/gallium/state_trackers/omx/tizonia/h264eprc.h
@@ -0,0 +1,31 @@
+/**************************************************************************
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef H264EPRC_H
+#define H264EPRC_H
+
+void * h264e_prc_class_init(void * ap_tos, void * ap_hdl);
+void * h264e_prc_init(void * ap_tos, void * ap_hdl);
+
+#endif                          /* H264EPRC_H */
diff --git a/src/gallium/state_trackers/omx/vid_enc_common.c b/src/gallium/state_trackers/omx/vid_enc_common.c
new file mode 100644
index 0000000..874dd3a
--- /dev/null
+++ b/src/gallium/state_trackers/omx/vid_enc_common.c
@@ -0,0 +1,387 @@
+/**************************************************************************
+ *
+ * Copyright 2013 Advanced Micro Devices, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include "vid_enc_common.h"
+
+#include "vl/vl_video_buffer.h"
+
+void enc_ReleaseTasks(struct list_head *head)
+{
+   struct encode_task *i, *next;
+
+   if (!head || !head->next)
+      return;
+
+   LIST_FOR_EACH_ENTRY_SAFE(i, next, head, list) {
+      pipe_resource_reference(&i->bitstream, NULL);
+      i->buf->destroy(i->buf);
+      FREE(i);
+   }
+}
+
+void enc_MoveTasks(struct list_head *from, struct list_head *to)
+{
+   to->prev->next = from->next;
+   from->next->prev = to->prev;
+   from->prev->next = to;
+   to->prev = from->prev;
+   LIST_INITHEAD(from);
+}
+
+static void enc_GetPictureParamPreset(struct pipe_h264_enc_picture_desc *picture)
+{
+   picture->motion_est.enc_disable_sub_mode = 0x000000fe;
+   picture->motion_est.enc_ime2_search_range_x = 0x00000001;
+   picture->motion_est.enc_ime2_search_range_y = 0x00000001;
+   picture->pic_ctrl.enc_constraint_set_flags = 0x00000040;
+}
+
+enum pipe_video_profile enc_TranslateOMXProfileToPipe(unsigned omx_profile)
+{
+   switch (omx_profile) {
+   case OMX_VIDEO_AVCProfileBaseline:
+      return PIPE_VIDEO_PROFILE_MPEG4_AVC_BASELINE;
+   case OMX_VIDEO_AVCProfileMain:
+      return PIPE_VIDEO_PROFILE_MPEG4_AVC_MAIN;
+   case OMX_VIDEO_AVCProfileExtended:
+      return PIPE_VIDEO_PROFILE_MPEG4_AVC_EXTENDED;
+   case OMX_VIDEO_AVCProfileHigh:
+      return PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH;
+   case OMX_VIDEO_AVCProfileHigh10:
+      return PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH10;
+   case OMX_VIDEO_AVCProfileHigh422:
+      return PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH422;
+   case OMX_VIDEO_AVCProfileHigh444:
+      return PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH444;
+   default:
+      return PIPE_VIDEO_PROFILE_UNKNOWN;
+   }
+}
+
+unsigned enc_TranslateOMXLevelToPipe(unsigned omx_level)
+{
+   switch (omx_level) {
+   case OMX_VIDEO_AVCLevel1:
+   case OMX_VIDEO_AVCLevel1b:
+      return 10;
+   case OMX_VIDEO_AVCLevel11:
+      return 11;
+   case OMX_VIDEO_AVCLevel12:
+      return 12;
+   case OMX_VIDEO_AVCLevel13:
+      return 13;
+   case OMX_VIDEO_AVCLevel2:
+      return 20;
+   case OMX_VIDEO_AVCLevel21:
+      return 21;
+   case OMX_VIDEO_AVCLevel22:
+      return 22;
+   case OMX_VIDEO_AVCLevel3:
+      return 30;
+   case OMX_VIDEO_AVCLevel31:
+      return 31;
+   case OMX_VIDEO_AVCLevel32:
+      return 32;
+   case OMX_VIDEO_AVCLevel4:
+      return 40;
+   case OMX_VIDEO_AVCLevel41:
+      return 41;
+   default:
+   case OMX_VIDEO_AVCLevel42:
+      return 42;
+   case OMX_VIDEO_AVCLevel5:
+      return 50;
+   case OMX_VIDEO_AVCLevel51:
+      return 51;
+   }
+}
+
+void vid_enc_BufferEncoded_common(vid_enc_PrivateType * priv, OMX_BUFFERHEADERTYPE* input, OMX_BUFFERHEADERTYPE* output)
+{
+   struct output_buf_private *outp = output->pOutputPortPrivate;
+   struct input_buf_private *inp = input->pInputPortPrivate;
+   struct encode_task *task;
+   struct pipe_box box = {};
+   unsigned size;
+
+#if ENABLE_ST_OMX_BELLAGIO
+   if (!inp || LIST_IS_EMPTY(&inp->tasks)) {
+      input->nFilledLen = 0; /* mark buffer as empty */
+      enc_MoveTasks(&priv->used_tasks, &inp->tasks);
+      return;
+   }
+#endif
+
+   task = LIST_ENTRY(struct encode_task, inp->tasks.next, list);
+   LIST_DEL(&task->list);
+   LIST_ADDTAIL(&task->list, &priv->used_tasks);
+
+   if (!task->bitstream)
+      return;
+
+   /* ------------- map result buffer ----------------- */
+
+   if (outp->transfer)
+      pipe_transfer_unmap(priv->t_pipe, outp->transfer);
+
+   pipe_resource_reference(&outp->bitstream, task->bitstream);
+   pipe_resource_reference(&task->bitstream, NULL);
+
+   box.width = outp->bitstream->width0;
+   box.height = outp->bitstream->height0;
+   box.depth = outp->bitstream->depth0;
+
+   output->pBuffer = priv->t_pipe->transfer_map(priv->t_pipe, outp->bitstream, 0,
+                                                PIPE_TRANSFER_READ_WRITE,
+                                                &box, &outp->transfer);
+
+   /* ------------- get size of result ----------------- */
+
+   priv->codec->get_feedback(priv->codec, task->feedback, &size);
+
+   output->nOffset = 0;
+   output->nFilledLen = size; /* mark buffer as full */
+
+   /* all output buffers contain exactly one frame */
+   output->nFlags = OMX_BUFFERFLAG_ENDOFFRAME;
+
+#if ENABLE_ST_OMX_TIZONIA
+   input->nFilledLen = 0; /* mark buffer as empty */
+   enc_MoveTasks(&priv->used_tasks, &inp->tasks);
+#endif
+}
+
+
+struct encode_task *enc_NeedTask_common(vid_enc_PrivateType * priv, OMX_VIDEO_PORTDEFINITIONTYPE *def)
+{
+   struct pipe_video_buffer templat = {};
+   struct encode_task *task;
+
+   if (!LIST_IS_EMPTY(&priv->free_tasks)) {
+      task = LIST_ENTRY(struct encode_task, priv->free_tasks.next, list);
+      LIST_DEL(&task->list);
+      return task;
+   }
+
+   /* allocate a new one */
+   task = CALLOC_STRUCT(encode_task);
+   if (!task)
+      return NULL;
+
+   templat.buffer_format = PIPE_FORMAT_NV12;
+   templat.chroma_format = PIPE_VIDEO_CHROMA_FORMAT_420;
+   templat.width = def->nFrameWidth;
+   templat.height = def->nFrameHeight;
+   templat.interlaced = false;
+
+   task->buf = priv->s_pipe->create_video_buffer(priv->s_pipe, &templat);
+   if (!task->buf) {
+      FREE(task);
+      return NULL;
+   }
+
+   return task;
+}
+
+void enc_ScaleInput_common(vid_enc_PrivateType * priv, OMX_VIDEO_PORTDEFINITIONTYPE *def,
+                                  struct pipe_video_buffer **vbuf, unsigned *size)
+{
+   struct pipe_video_buffer *src_buf = *vbuf;
+   struct vl_compositor *compositor = &priv->compositor;
+   struct vl_compositor_state *s = &priv->cstate;
+   struct pipe_sampler_view **views;
+   struct pipe_surface **dst_surface;
+   unsigned i;
+
+   if (!priv->scale_buffer[priv->current_scale_buffer])
+      return;
+
+   views = src_buf->get_sampler_view_planes(src_buf);
+   dst_surface = priv->scale_buffer[priv->current_scale_buffer]->get_surfaces
+                 (priv->scale_buffer[priv->current_scale_buffer]);
+   vl_compositor_clear_layers(s);
+
+   for (i = 0; i < VL_MAX_SURFACES; ++i) {
+      struct u_rect src_rect;
+      if (!views[i] || !dst_surface[i])
+         continue;
+      src_rect.x0 = 0;
+      src_rect.y0 = 0;
+      src_rect.x1 = def->nFrameWidth;
+      src_rect.y1 = def->nFrameHeight;
+      if (i > 0) {
+         src_rect.x1 /= 2;
+         src_rect.y1 /= 2;
+      }
+      vl_compositor_set_rgba_layer(s, compositor, 0, views[i], &src_rect, NULL, NULL);
+      vl_compositor_render(s, compositor, dst_surface[i], NULL, false);
+   }
+   *size  = priv->scale.xWidth * priv->scale.xHeight * 2;
+   *vbuf = priv->scale_buffer[priv->current_scale_buffer++];
+   priv->current_scale_buffer %= OMX_VID_ENC_NUM_SCALING_BUFFERS;
+}
+
+void enc_ControlPicture_common(vid_enc_PrivateType * priv, struct pipe_h264_enc_picture_desc *picture)
+{
+   struct pipe_h264_enc_rate_control *rate_ctrl = &picture->rate_ctrl;
+
+   /* Get bitrate from port */
+   switch (priv->bitrate.eControlRate) {
+   case OMX_Video_ControlRateVariable:
+      rate_ctrl->rate_ctrl_method = PIPE_H264_ENC_RATE_CONTROL_METHOD_VARIABLE;
+      break;
+   case OMX_Video_ControlRateConstant:
+      rate_ctrl->rate_ctrl_method = PIPE_H264_ENC_RATE_CONTROL_METHOD_CONSTANT;
+      break;
+   case OMX_Video_ControlRateVariableSkipFrames:
+      rate_ctrl->rate_ctrl_method = PIPE_H264_ENC_RATE_CONTROL_METHOD_VARIABLE_SKIP;
+      break;
+   case OMX_Video_ControlRateConstantSkipFrames:
+      rate_ctrl->rate_ctrl_method = PIPE_H264_ENC_RATE_CONTROL_METHOD_CONSTANT_SKIP;
+      break;
+   default:
+      rate_ctrl->rate_ctrl_method = PIPE_H264_ENC_RATE_CONTROL_METHOD_DISABLE;
+      break;
+   }
+
+   rate_ctrl->frame_rate_den = OMX_VID_ENC_CONTROL_FRAME_RATE_DEN_DEFAULT;
+   rate_ctrl->frame_rate_num = ((priv->frame_rate) >> 16) * rate_ctrl->frame_rate_den;
+
+   if (rate_ctrl->rate_ctrl_method != PIPE_H264_ENC_RATE_CONTROL_METHOD_DISABLE) {
+      if (priv->bitrate.nTargetBitrate < OMX_VID_ENC_BITRATE_MIN)
+         rate_ctrl->target_bitrate = OMX_VID_ENC_BITRATE_MIN;
+      else if (priv->bitrate.nTargetBitrate < OMX_VID_ENC_BITRATE_MAX)
+         rate_ctrl->target_bitrate = priv->bitrate.nTargetBitrate;
+      else
+         rate_ctrl->target_bitrate = OMX_VID_ENC_BITRATE_MAX;
+      rate_ctrl->peak_bitrate = rate_ctrl->target_bitrate;
+      if (rate_ctrl->target_bitrate < OMX_VID_ENC_BITRATE_MEDIAN)
+         rate_ctrl->vbv_buffer_size = MIN2((rate_ctrl->target_bitrate * 2.75), OMX_VID_ENC_BITRATE_MEDIAN);
+      else
+         rate_ctrl->vbv_buffer_size = rate_ctrl->target_bitrate;
+
+      if (rate_ctrl->frame_rate_num) {
+         unsigned long long t = rate_ctrl->target_bitrate;
+         t *= rate_ctrl->frame_rate_den;
+         rate_ctrl->target_bits_picture = t / rate_ctrl->frame_rate_num;
+      } else {
+         rate_ctrl->target_bits_picture = rate_ctrl->target_bitrate;
+      }
+      rate_ctrl->peak_bits_picture_integer = rate_ctrl->target_bits_picture;
+      rate_ctrl->peak_bits_picture_fraction = 0;
+   }
+
+   picture->quant_i_frames = priv->quant.nQpI;
+   picture->quant_p_frames = priv->quant.nQpP;
+   picture->quant_b_frames = priv->quant.nQpB;
+
+   picture->frame_num = priv->frame_num;
+   picture->ref_idx_l0 = priv->ref_idx_l0;
+   picture->ref_idx_l1 = priv->ref_idx_l1;
+   picture->enable_vui = (picture->rate_ctrl.frame_rate_num != 0);
+   enc_GetPictureParamPreset(picture);
+}
+
+OMX_ERRORTYPE enc_LoadImage_common(vid_enc_PrivateType * priv, OMX_VIDEO_PORTDEFINITIONTYPE *def,
+                                   OMX_BUFFERHEADERTYPE *buf,
+                                   struct pipe_video_buffer *vbuf)
+{
+   struct pipe_box box = {};
+   struct input_buf_private *inp = buf->pInputPortPrivate;
+
+   if (!inp->resource) {
+      struct pipe_sampler_view **views;
+      void *ptr;
+
+      views = vbuf->get_sampler_view_planes(vbuf);
+      if (!views)
+         return OMX_ErrorInsufficientResources;
+
+      ptr = buf->pBuffer;
+      box.width = def->nFrameWidth;
+      box.height = def->nFrameHeight;
+      box.depth = 1;
+      priv->s_pipe->texture_subdata(priv->s_pipe, views[0]->texture, 0,
+                                    PIPE_TRANSFER_WRITE, &box,
+                                    ptr, def->nStride, 0);
+      ptr = ((uint8_t*)buf->pBuffer) + (def->nStride * box.height);
+      box.width = def->nFrameWidth / 2;
+      box.height = def->nFrameHeight / 2;
+      box.depth = 1;
+      priv->s_pipe->texture_subdata(priv->s_pipe, views[1]->texture, 0,
+                                    PIPE_TRANSFER_WRITE, &box,
+                                    ptr, def->nStride, 0);
+   } else {
+      struct pipe_blit_info blit;
+      struct vl_video_buffer *dst_buf = (struct vl_video_buffer *)vbuf;
+
+      pipe_transfer_unmap(priv->s_pipe, inp->transfer);
+
+      box.width = def->nFrameWidth;
+      box.height = def->nFrameHeight;
+      box.depth = 1;
+
+      priv->s_pipe->resource_copy_region(priv->s_pipe,
+                                         dst_buf->resources[0],
+                                         0, 0, 0, 0, inp->resource, 0, &box);
+
+      memset(&blit, 0, sizeof(blit));
+      blit.src.resource = inp->resource;
+      blit.src.format = inp->resource->format;
+
+      blit.src.box.x = 0;
+      blit.src.box.y = def->nFrameHeight;
+      blit.src.box.width = def->nFrameWidth;
+      blit.src.box.height = def->nFrameHeight / 2 ;
+      blit.src.box.depth = 1;
+
+      blit.dst.resource = dst_buf->resources[1];
+      blit.dst.format = blit.dst.resource->format;
+
+      blit.dst.box.width = def->nFrameWidth / 2;
+      blit.dst.box.height = def->nFrameHeight / 2;
+      blit.dst.box.depth = 1;
+      blit.filter = PIPE_TEX_FILTER_NEAREST;
+
+      blit.mask = PIPE_MASK_G;
+      priv->s_pipe->blit(priv->s_pipe, &blit);
+
+      blit.src.box.x = 1;
+      blit.mask = PIPE_MASK_R;
+      priv->s_pipe->blit(priv->s_pipe, &blit);
+      priv->s_pipe->flush(priv->s_pipe, NULL, 0);
+
+      box.width = inp->resource->width0;
+      box.height = inp->resource->height0;
+      box.depth = inp->resource->depth0;
+      buf->pBuffer = priv->s_pipe->transfer_map(priv->s_pipe, inp->resource, 0,
+                                                PIPE_TRANSFER_WRITE, &box,
+                                                &inp->transfer);
+   }
+
+   return OMX_ErrorNone;
+}
diff --git a/src/gallium/state_trackers/omx/vid_enc_common.h b/src/gallium/state_trackers/omx/vid_enc_common.h
new file mode 100644
index 0000000..b7cb387
--- /dev/null
+++ b/src/gallium/state_trackers/omx/vid_enc_common.h
@@ -0,0 +1,175 @@
+/**************************************************************************
+ *
+ * Copyright 2013 Advanced Micro Devices, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef VID_ENC_COMMON_H
+#define VID_ENC_COMMON_H
+
+#include "util/list.h"
+#include "util/u_memory.h"
+
+#include "vl/vl_defines.h"
+#include "vl/vl_compositor.h"
+#include "vl/vl_winsys.h"
+
+#define OMX_VID_ENC_BITRATE_MIN 64000
+#define OMX_VID_ENC_BITRATE_MEDIAN 2000000
+#define OMX_VID_ENC_BITRATE_MAX 240000000
+#define OMX_VID_ENC_CONTROL_FRAME_RATE_DEN_DEFAULT 1001
+#define OMX_VID_ENC_QUANT_I_FRAMES_DEFAULT 0x1c
+#define OMX_VID_ENC_QUANT_P_FRAMES_DEFAULT 0x1c
+#define OMX_VID_ENC_QUANT_B_FRAMES_DEFAULT 0x1c
+#define OMX_VID_ENC_SCALING_WIDTH_DEFAULT 0xffffffff
+#define OMX_VID_ENC_SCALING_HEIGHT_DEFAULT 0xffffffff
+#define OMX_VID_ENC_IDR_PERIOD_DEFAULT 1000
+#define OMX_VID_ENC_P_PERIOD_DEFAULT 3
+
+#define OMX_VID_ENC_NUM_SCALING_BUFFERS 4
+
+struct encode_task {
+   struct list_head list;
+
+   struct pipe_video_buffer *buf;
+   unsigned pic_order_cnt;
+   struct pipe_resource *bitstream;
+   void *feedback;
+};
+
+struct input_buf_private {
+   struct list_head tasks;
+
+   struct pipe_resource *resource;
+   struct pipe_transfer *transfer;
+};
+
+struct output_buf_private {
+   struct pipe_resource *bitstream;
+   struct pipe_transfer *transfer;
+};
+
+#if ENABLE_ST_OMX_BELLAGIO
+
+#include <OMX_Core.h>
+
+#include <bellagio/omx_base_filter.h>
+
+DERIVEDCLASS(vid_enc_PrivateType, omx_base_filter_PrivateType)
+#define vid_enc_PrivateType_FIELDS omx_base_filter_PrivateType_FIELDS \
+	struct vl_screen *screen; \
+	struct pipe_context *s_pipe; \
+	struct pipe_context *t_pipe; \
+	struct pipe_video_codec *codec; \
+	struct list_head free_tasks; \
+	struct list_head used_tasks; \
+	struct list_head b_frames; \
+	struct list_head stacked_tasks; \
+	OMX_U32 frame_rate; \
+	OMX_U32 frame_num; \
+	OMX_U32 pic_order_cnt; \
+	OMX_U32 ref_idx_l0, ref_idx_l1; \
+	OMX_BOOL restricted_b_frames; \
+	OMX_VIDEO_PARAM_BITRATETYPE bitrate; \
+	OMX_VIDEO_PARAM_QUANTIZATIONTYPE quant; \
+	OMX_VIDEO_PARAM_PROFILELEVELTYPE profile_level; \
+	OMX_CONFIG_INTRAREFRESHVOPTYPE force_pic_type; \
+	struct vl_compositor compositor; \
+	struct vl_compositor_state cstate; \
+	struct pipe_video_buffer *scale_buffer[OMX_VID_ENC_NUM_SCALING_BUFFERS]; \
+	OMX_CONFIG_SCALEFACTORTYPE scale; \
+	OMX_U32 current_scale_buffer; \
+	OMX_U32 stacked_frames_num;
+ENDCLASS(vid_enc_PrivateType)
+
+#else
+
+#include <tizonia/OMX_Core.h>
+
+#include <tizprc_decls.h>
+#include <tizport_decls.h>
+
+typedef struct h264e_prc_class h264e_prc_class_t;
+struct h264e_prc_class
+{
+   /* Class */
+   const tiz_prc_class_t _;
+   /* NOTE: Class methods might be added in the future */
+};
+
+typedef struct h264e_prc vid_enc_PrivateType;
+struct h264e_prc
+{
+   /* Object */
+   const tiz_prc_t _;
+   OMX_BUFFERHEADERTYPE *p_inhdr_;
+   OMX_BUFFERHEADERTYPE *p_outhdr_;
+   OMX_PARAM_PORTDEFINITIONTYPE in_port_def_;
+   OMX_PARAM_PORTDEFINITIONTYPE out_port_def_;
+   struct vl_screen *screen;
+   struct pipe_context *s_pipe;
+   struct pipe_context *t_pipe;
+   struct pipe_video_codec *codec;
+   struct list_head free_tasks;
+   struct list_head used_tasks;
+   struct list_head b_frames;
+   struct list_head stacked_tasks;
+   OMX_U32 frame_rate;
+   OMX_U32 frame_num;
+   OMX_U32 pic_order_cnt;
+   OMX_U32 ref_idx_l0, ref_idx_l1;
+   OMX_BOOL restricted_b_frames;
+   OMX_VIDEO_PARAM_BITRATETYPE bitrate;
+   OMX_VIDEO_PARAM_QUANTIZATIONTYPE quant;
+   OMX_VIDEO_PARAM_PROFILELEVELTYPE profile_level;
+   OMX_CONFIG_INTRAREFRESHVOPTYPE force_pic_type;
+   struct vl_compositor compositor;
+   struct vl_compositor_state cstate;
+   struct pipe_video_buffer *scale_buffer[OMX_VID_ENC_NUM_SCALING_BUFFERS];
+   OMX_CONFIG_SCALEFACTORTYPE scale;
+   OMX_U32 current_scale_buffer;
+   OMX_U32 stacked_frames_num;
+   bool eos_;
+   bool in_port_disabled_;
+   bool out_port_disabled_;
+};
+#endif
+
+void enc_ReleaseTasks(struct list_head *head);
+void enc_MoveTasks(struct list_head *from, struct list_head *to);
+enum pipe_video_profile enc_TranslateOMXProfileToPipe(unsigned omx_profile);
+unsigned enc_TranslateOMXLevelToPipe(unsigned omx_level);
+void vid_enc_BufferEncoded_common(vid_enc_PrivateType * priv, OMX_BUFFERHEADERTYPE* input,
+                                  OMX_BUFFERHEADERTYPE* output);
+struct encode_task *enc_NeedTask_common(vid_enc_PrivateType * priv,
+                                        OMX_VIDEO_PORTDEFINITIONTYPE *def);
+void enc_ScaleInput_common(vid_enc_PrivateType * priv,
+                                         OMX_VIDEO_PORTDEFINITIONTYPE *def,
+                                         struct pipe_video_buffer **vbuf, unsigned *size);
+void enc_ControlPicture_common(vid_enc_PrivateType * priv,
+                               struct pipe_h264_enc_picture_desc *picture);
+OMX_ERRORTYPE enc_LoadImage_common(vid_enc_PrivateType * priv, OMX_VIDEO_PORTDEFINITIONTYPE *def,
+                                   OMX_BUFFERHEADERTYPE *buf,
+                                   struct pipe_video_buffer *vbuf);
+#endif
-- 
2.7.4



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