[Libva] [PATCH V2 2/2] Add multi quality levels encoding support for GEN7
Zhong Li
zhong.li at intel.com
Thu Jun 5 00:07:55 PDT 2014
Two encoding quality levels are support on GEN7.
Default quality level is set to be 1, which has better quality,
but higher gpu usage and worse performance.
The second quality level is set to be 2, which has lower gpu usage and
better performance,but worse quality.
Other platforms support for multi-quality-level will be added later.
Signed-off-by: Zhong Li <zhong.li at intel.com>
---
src/gen6_mfc.c | 130 ++++++++++++++++++++++++++++++++++++++------------
src/gen7_vme.c | 84 +++++++++++++++++++++++++++-----
src/i965_drv_video.c | 12 +++++
src/i965_drv_video.h | 7 +++
src/i965_encoder.c | 21 +++++++-
5 files changed, 211 insertions(+), 43 deletions(-)
diff --git a/src/gen6_mfc.c b/src/gen6_mfc.c
index 0a10054..f1cd7ea 100644
--- a/src/gen6_mfc.c
+++ b/src/gen6_mfc.c
@@ -676,8 +676,6 @@ gen6_mfc_stop(VADriverContextP ctx,
return VA_STATUS_SUCCESS;
}
-#if __SOFTWARE__
-
static int
gen6_mfc_avc_pak_object_intra(VADriverContextP ctx, int x, int y, int end_mb, int qp,unsigned int *msg,
struct intel_encoder_context *encoder_context,
@@ -768,6 +766,58 @@ gen6_mfc_avc_pak_object_inter(VADriverContextP ctx, int x, int y, int end_mb, in
return len_in_dwords;
}
+
+static int
+gen6_mfc_avc_pak_object_inter2(VADriverContextP ctx, int x, int y, int end_mb, int qp,
+ unsigned int offset,
+ struct intel_encoder_context *encoder_context,
+ struct intel_batchbuffer *batch)
+{
+ struct gen6_vme_context *vme_context = encoder_context->vme_context;
+ int len_in_dwords = 11;
+
+ if (batch == NULL)
+ batch = encoder_context->base.batch;
+
+ BEGIN_BCS_BATCH(batch, len_in_dwords);
+
+ OUT_BCS_BATCH(batch, MFC_AVC_PAK_OBJECT | (len_in_dwords - 2));
+
+ OUT_BCS_BATCH(batch, 32); /* 32 MV*/
+ OUT_BCS_BATCH(batch, offset);
+
+ OUT_BCS_BATCH(batch,
+ (1 << 24) | /* PackedMvNum, Debug*/
+ (4 << 20) | /* 8 MV, SNB don't use it*/
+ (1 << 19) | /* CbpDcY */
+ (1 << 18) | /* CbpDcU */
+ (1 << 17) | /* CbpDcV */
+ (0 << 15) | /* Transform8x8Flag = 0*/
+ (0 << 14) | /* Frame based*/
+ (0 << 13) | /* Inter MB */
+ (1 << 8) | /* MbType = P_L0_16x16 */
+ (0 << 7) | /* MBZ for frame */
+ (0 << 6) | /* MBZ */
+ (2 << 4) | /* MBZ for inter*/
+ (0 << 3) | /* MBZ */
+ (0 << 2) | /* SkipMbFlag */
+ (0 << 0)); /* InterMbMode */
+
+ OUT_BCS_BATCH(batch, (0xFFFF<<16) | (y << 8) | x); /* Code Block Pattern for Y*/
+ OUT_BCS_BATCH(batch, 0x000F000F); /* Code Block Pattern */
+ OUT_BCS_BATCH(batch, (0 << 27) | (end_mb << 26) | qp); /* Last MB */
+
+ /*Stuff for Inter MB*/
+ OUT_BCS_BATCH(batch, 0x0);
+ OUT_BCS_BATCH(batch, 0x0);
+ OUT_BCS_BATCH(batch, 0x0);
+
+ OUT_BCS_BATCH(batch, 0xF0020000); /*MaxSizeInWord and TargetSzieInWord*/
+
+ ADVANCE_BCS_BATCH(batch);
+
+ return len_in_dwords;
+}
static void
gen6_mfc_avc_pipeline_slice_programing(VADriverContextP ctx,
@@ -791,6 +841,7 @@ gen6_mfc_avc_pipeline_slice_programing(VADriverContextP ctx,
unsigned int tail_data[] = { 0x0, 0x0 };
int slice_type = intel_avc_enc_slice_type_fixup(pSliceParameter->slice_type);
int is_intra = slice_type == SLICE_TYPE_I;
+ int is_low_quality = (encode_state->quality_level == ENCODER_LOW_QUALITY);
if (rate_control_mode == VA_RC_CBR) {
qp = mfc_context->bit_rate_control_context[slice_type].QpPrimeY;
@@ -818,36 +869,54 @@ gen6_mfc_avc_pipeline_slice_programing(VADriverContextP ctx,
dri_bo_map(vme_context->vme_output.bo , 1);
msg = (unsigned int *)vme_context->vme_output.bo->virtual;
- if (is_intra) {
- msg += pSliceParameter->macroblock_address * INTRA_VME_OUTPUT_IN_DWS;
- } else {
- msg += pSliceParameter->macroblock_address * INTER_VME_OUTPUT_IN_DWS;
- msg += 32; /* the first 32 DWs are MVs */
- offset = pSliceParameter->macroblock_address * INTER_VME_OUTPUT_IN_BYTES;
- }
-
- for (i = pSliceParameter->macroblock_address;
- i < pSliceParameter->macroblock_address + pSliceParameter->num_macroblocks; i++) {
- int last_mb = (i == (pSliceParameter->macroblock_address + pSliceParameter->num_macroblocks - 1) );
- x = i % width_in_mbs;
- y = i / width_in_mbs;
+ if (is_low_quality) {
+ for (i = pSliceParameter->macroblock_address;
+ i < pSliceParameter->macroblock_address + pSliceParameter->num_macroblocks; i++) {
+ int last_mb = (i == (pSliceParameter->macroblock_address + pSliceParameter->num_macroblocks - 1) );
+ x = i % width_in_mbs;
+ y = i / width_in_mbs;
+ if (is_intra) {
+ assert(msg);
+ gen6_mfc_avc_pak_object_intra(ctx, x, y, last_mb, qp, msg, encoder_context, 0, 0, slice_batch);
+ msg += 4;
+ } else {
+ gen6_mfc_avc_pak_object_inter2(ctx, x, y, last_mb, qp, offset, encoder_context, slice_batch);
+ offset += 64;
+ }
+ }
+ } else {
if (is_intra) {
- assert(msg);
- gen6_mfc_avc_pak_object_intra(ctx, x, y, last_mb, qp, msg, encoder_context, 0, 0, slice_batch);
- msg += INTRA_VME_OUTPUT_IN_DWS;
+ msg += pSliceParameter->macroblock_address * INTRA_VME_OUTPUT_IN_DWS;
} else {
- if (msg[0] & INTRA_MB_FLAG_MASK) {
+ msg += pSliceParameter->macroblock_address * INTER_VME_OUTPUT_IN_DWS;
+ msg += 32; /* the first 32 DWs are MVs */
+ offset = pSliceParameter->macroblock_address * INTER_VME_OUTPUT_IN_BYTES;
+ }
+
+ for (i = pSliceParameter->macroblock_address;
+ i < pSliceParameter->macroblock_address + pSliceParameter->num_macroblocks; i++) {
+ int last_mb = (i == (pSliceParameter->macroblock_address + pSliceParameter->num_macroblocks - 1) );
+ x = i % width_in_mbs;
+ y = i / width_in_mbs;
+
+ if (is_intra) {
+ assert(msg);
gen6_mfc_avc_pak_object_intra(ctx, x, y, last_mb, qp, msg, encoder_context, 0, 0, slice_batch);
+ msg += INTRA_VME_OUTPUT_IN_DWS;
} else {
- gen6_mfc_avc_pak_object_inter(ctx, x, y, last_mb, qp, msg, offset, encoder_context, 0, 0, slice_type, slice_batch);
- }
+ if (msg[0] & INTRA_MB_FLAG_MASK) {
+ gen6_mfc_avc_pak_object_intra(ctx, x, y, last_mb, qp, msg, encoder_context, 0, 0, slice_batch);
+ } else {
+ gen6_mfc_avc_pak_object_inter(ctx, x, y, last_mb, qp, msg, offset, encoder_context, 0, 0, slice_type, slice_batch);
+ }
- msg += INTER_VME_OUTPUT_IN_DWS;
- offset += INTER_VME_OUTPUT_IN_BYTES;
+ msg += INTER_VME_OUTPUT_IN_DWS;
+ offset += INTER_VME_OUTPUT_IN_BYTES;
+ }
}
}
-
+
dri_bo_unmap(vme_context->vme_output.bo);
if ( last_slice ) {
@@ -896,8 +965,6 @@ gen6_mfc_avc_software_batchbuffer(VADriverContextP ctx,
return batch_bo;
}
-#else
-
static void
gen6_mfc_batchbuffer_surfaces_input(VADriverContextP ctx,
struct encode_state *encode_state,
@@ -1291,9 +1358,6 @@ gen6_mfc_avc_hardware_batchbuffer(VADriverContextP ctx,
return mfc_context->mfc_batchbuffer_surface.bo;
}
-#endif
-
-
static void
gen6_mfc_avc_pipeline_programing(VADriverContextP ctx,
struct encode_state *encode_state,
@@ -1308,11 +1372,15 @@ gen6_mfc_avc_pipeline_programing(VADriverContextP ctx,
return;
}
+ if (encode_state->quality_level == ENCODER_LOW_QUALITY )
+ slice_batch_bo = gen6_mfc_avc_software_batchbuffer(ctx, encode_state, encoder_context);
+ else {
#if __SOFTWARE__
- slice_batch_bo = gen6_mfc_avc_software_batchbuffer(ctx, encode_state, encoder_context);
+ slice_batch_bo = gen6_mfc_avc_software_batchbuffer(ctx, encode_state, encoder_context);
#else
- slice_batch_bo = gen6_mfc_avc_hardware_batchbuffer(ctx, encode_state, encoder_context);
+ slice_batch_bo = gen6_mfc_avc_hardware_batchbuffer(ctx, encode_state, encoder_context);
#endif
+ }
// begin programing
intel_batchbuffer_start_atomic_bcs(batch, 0x4000);
diff --git a/src/gen7_vme.c b/src/gen7_vme.c
index 042fe5d..b45f558 100644
--- a/src/gen7_vme.c
+++ b/src/gen7_vme.c
@@ -63,6 +63,8 @@ enum VIDEO_CODING_TYPE{
enum AVC_VME_KERNEL_TYPE{
AVC_VME_INTRA_SHADER = 0,
AVC_VME_INTER_SHADER,
+ AVC_VME_OLD_INTRA_SHADER,
+ AVC_VME_OLD_INTER_SHADER,
AVC_VME_BATCHBUFFER,
AVC_VME_BINTER_SHADER,
AVC_VME_KERNEL_SUM
@@ -83,6 +85,14 @@ static const uint32_t gen7_vme_inter_frame[][4] = {
#include "shaders/vme/inter_frame_ivb.g7b"
};
+static const uint32_t gen7_vme_old_intra_frame[][4] = {
+#include "shaders/vme_old/intra_frame.g7b"
+};
+
+static const uint32_t gen7_vme_old_inter_frame[][4] = {
+#include "shaders/vme_old/inter_frame.g7b"
+};
+
static const uint32_t gen7_vme_batchbuffer[][4] = {
#include "shaders/vme/batchbuffer.g7b"
};
@@ -107,6 +117,20 @@ static struct i965_kernel gen7_vme_kernels[] = {
NULL
},
{
+ "AVC VME Old Intra Frame",
+ AVC_VME_OLD_INTRA_SHADER,
+ gen7_vme_old_intra_frame,
+ sizeof(gen7_vme_old_intra_frame),
+ NULL
+ },
+ {
+ "AVC VME Old Inter Frame",
+ AVC_VME_OLD_INTER_SHADER,
+ gen7_vme_old_inter_frame,
+ sizeof(gen7_vme_old_inter_frame),
+ NULL
+ },
+ {
"AVC VME BATCHBUFFER",
AVC_VME_BATCHBUFFER,
gen7_vme_batchbuffer,
@@ -359,6 +383,36 @@ static VAStatus gen7_vme_constant_setup(VADriverContextP ctx,
return VA_STATUS_SUCCESS;
}
+static VAStatus
+gen7_vme_vme_state_setup(VADriverContextP ctx,
+ struct encode_state *encode_state,
+ int is_intra,
+ struct intel_encoder_context *encoder_context)
+{
+ struct gen6_vme_context *vme_context = encoder_context->vme_context;
+ unsigned int *vme_state_message;
+ int i;
+
+ //building VME state message
+ dri_bo_map(vme_context->vme_state.bo, 1);
+ assert(vme_context->vme_state.bo->virtual);
+ vme_state_message = (unsigned int *)vme_context->vme_state.bo->virtual;
+
+ vme_state_message[0] = 0x10010101;
+ vme_state_message[1] = 0x100F0F0F;
+ vme_state_message[2] = 0x10010101;
+ vme_state_message[3] = 0x000F0F0F;
+ for(i = 4; i < 14; i++) {
+ vme_state_message[i] = 0x00000000;
+ }
+
+ for(i = 14; i < 32; i++) {
+ vme_state_message[i] = 0x00000000;
+ }
+
+ dri_bo_unmap( vme_context->vme_state.bo);
+ return VA_STATUS_SUCCESS;
+}
static VAStatus gen7_vme_avc_state_setup(VADriverContextP ctx,
struct encode_state *encode_state,
@@ -598,25 +652,30 @@ static void gen7_vme_pipeline_programing(VADriverContextP ctx,
int s;
bool allow_hwscore = true;
int kernel_shader;
-
- for (s = 0; s < encode_state->num_slice_params_ext; s++) {
- pSliceParameter = (VAEncSliceParameterBufferH264 *)encode_state->slice_params_ext[s]->buffer;
- if ((pSliceParameter->macroblock_address % width_in_mbs)) {
- allow_hwscore = false;
- break;
- }
+ unsigned int is_low_quality = (encode_state->quality_level == ENCODER_LOW_QUALITY);
+
+ if (is_low_quality)
+ allow_hwscore = false;
+ else {
+ for (s = 0; s < encode_state->num_slice_params_ext; s++) {
+ pSliceParameter = (VAEncSliceParameterBufferH264 *)encode_state->slice_params_ext[s]->buffer;
+ if ((pSliceParameter->macroblock_address % width_in_mbs)) {
+ allow_hwscore = false;
+ break;
+ }
+ }
}
if ((pSliceParameter->slice_type == SLICE_TYPE_I) ||
(pSliceParameter->slice_type == SLICE_TYPE_I)) {
- kernel_shader = AVC_VME_INTRA_SHADER;
+ kernel_shader = (is_low_quality ? AVC_VME_OLD_INTRA_SHADER : AVC_VME_INTRA_SHADER);
} else if ((pSliceParameter->slice_type == SLICE_TYPE_P) ||
(pSliceParameter->slice_type == SLICE_TYPE_SP)) {
- kernel_shader = AVC_VME_INTER_SHADER;
+ kernel_shader = (is_low_quality ? AVC_VME_OLD_INTER_SHADER : AVC_VME_INTER_SHADER);
} else {
kernel_shader = AVC_VME_BINTER_SHADER;
if (!allow_hwscore)
- kernel_shader = AVC_VME_INTER_SHADER;
+ kernel_shader = (is_low_quality ? AVC_VME_OLD_INTER_SHADER : AVC_VME_INTER_SHADER);
}
if (allow_hwscore)
@@ -668,7 +727,10 @@ static VAStatus gen7_vme_prepare(VADriverContextP ctx,
gen7_vme_surface_setup(ctx, encode_state, is_intra, encoder_context);
gen7_vme_interface_setup(ctx, encode_state, encoder_context);
gen7_vme_constant_setup(ctx, encode_state, encoder_context);
- gen7_vme_avc_state_setup(ctx, encode_state, is_intra, encoder_context);
+ if (encode_state->quality_level == ENCODER_LOW_QUALITY)
+ gen7_vme_vme_state_setup(ctx, encode_state, is_intra, encoder_context);
+ else
+ gen7_vme_avc_state_setup(ctx, encode_state, is_intra, encoder_context);
/*Programing media pipeline*/
gen7_vme_pipeline_programing(ctx, encode_state, encoder_context);
diff --git a/src/i965_drv_video.c b/src/i965_drv_video.c
index fcbab79..6eaf6ca 100755
--- a/src/i965_drv_video.c
+++ b/src/i965_drv_video.c
@@ -621,6 +621,7 @@ i965_GetConfigAttributes(VADriverContextP ctx,
int num_attribs)
{
VAStatus va_status;
+ struct i965_driver_data *i965 = i965_driver_data(ctx);
int i;
va_status = i965_validate_config(ctx, profile, entrypoint);
@@ -665,6 +666,15 @@ i965_GetConfigAttributes(VADriverContextP ctx,
break;
}
+ case VAConfigAttribEncQualityRange:
+ if (entrypoint == VAEntrypointEncSlice) {
+ attrib_list[i].value = 1;
+ if (profile == VAProfileH264ConstrainedBaseline &&
+ IS_GEN7(i965->intel.device_info))
+ attrib_list[i].value = ENCODER_QUALITY_RANGE;
+ break;
+ }
+
default:
/* Do nothing */
attrib_list[i].value = VA_ATTRIB_NOT_SUPPORTED;
@@ -2214,6 +2224,8 @@ i965_BeginPicture(VADriverContextP ctx,
obj_context->codec_state.encode.num_slice_params_ext = 0;
obj_context->codec_state.encode.current_render_target = render_target; /*This is input new frame*/
obj_context->codec_state.encode.last_packed_header_type = 0;
+ obj_context->codec_state.encode.quality_level = ENCODER_DEFAULT_QUALITY;
+
memset(obj_context->codec_state.encode.slice_rawdata_index, 0,
sizeof(int) * obj_context->codec_state.encode.slice_num);
memset(obj_context->codec_state.encode.slice_rawdata_count, 0,
diff --git a/src/i965_drv_video.h b/src/i965_drv_video.h
index 418c277..29aa10b 100644
--- a/src/i965_drv_video.h
+++ b/src/i965_drv_video.h
@@ -65,6 +65,11 @@
#define DEFAULT_HUE 0
#define DEFAULT_SATURATION 10
+#define ENCODER_QUALITY_RANGE 2
+#define ENCODER_DEFAULT_QUALITY 1
+#define ENCODER_HIGH_QUALITY ENCODER_DEFAULT_QUALITY
+#define ENCODER_LOW_QUALITY 2
+
struct i965_surface
{
struct object_base *base;
@@ -172,6 +177,8 @@ struct encode_state
struct buffer_store *misc_param[16];
+ unsigned int quality_level;
+
VASurfaceID current_render_target;
struct object_surface *input_yuv_object;
struct object_surface *reconstructed_object;
diff --git a/src/i965_encoder.c b/src/i965_encoder.c
index 14c37bb..bcaa61c 100644
--- a/src/i965_encoder.c
+++ b/src/i965_encoder.c
@@ -124,6 +124,7 @@ intel_encoder_check_yuv_surface(VADriverContextP ctx,
static VAStatus
intel_encoder_check_avc_parameter(VADriverContextP ctx,
+ VAProfile profile,
struct encode_state *encode_state,
struct intel_encoder_context *encoder_context)
{
@@ -151,6 +152,24 @@ intel_encoder_check_avc_parameter(VADriverContextP ctx,
if (!obj_buffer || !obj_buffer->buffer_store || !obj_buffer->buffer_store->bo)
goto error;
+ if (encode_state->misc_param[VAEncMiscParameterTypeQualityLevel] &&
+ encode_state->misc_param[VAEncMiscParameterTypeQualityLevel]->buffer) {
+ VAEncMiscParameterBuffer* pMiscParam = (VAEncMiscParameterBuffer*)encode_state->misc_param[VAEncMiscParameterTypeQualityLevel]->buffer;
+ VAEncMiscParameterBufferQualityLevel* param_quality_level = (VAEncMiscParameterBufferQualityLevel*)pMiscParam->data;
+ encode_state->quality_level = param_quality_level->quality_level;
+
+ if (encode_state->quality_level == 0)
+ encode_state->quality_level = ENCODER_DEFAULT_QUALITY;
+ else if (encode_state->quality_level == ENCODER_LOW_QUALITY &&
+ (profile != VAProfileH264ConstrainedBaseline ||
+ encoder_context->rate_control_mode != VA_RC_CQP)) {
+ /* low quality level mode only support baseline profile and CQP rate control */
+ goto error;
+ }
+ else if (encode_state->quality_level > ENCODER_QUALITY_RANGE)
+ goto error;
+ }
+
encode_state->coded_buf_object = obj_buffer;
for (i = 0; i < 16; i++) {
@@ -260,7 +279,7 @@ intel_encoder_sanity_check_input(VADriverContextP ctx,
case VAProfileH264High:
case VAProfileH264MultiviewHigh:
case VAProfileH264StereoHigh:
- vaStatus = intel_encoder_check_avc_parameter(ctx, encode_state, encoder_context);
+ vaStatus = intel_encoder_check_avc_parameter(ctx, profile, encode_state, encoder_context);
break;
case VAProfileMPEG2Simple:
--
1.7.9.5
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