[Mesa-dev] [PATCH 6/6] st/va: implement vlVa(Query|Create|Get|Put|Destroy)Image

Liu, Leo Leo.Liu at amd.com
Thu Sep 25 15:36:03 PDT 2014


Hi Gwenole,


>-----Original Message-----
>From: Gwenole Beauchesne [mailto:gb.devel at gmail.com]
>Sent: Thursday, September 25, 2014 7:41 AM
>To: Liu, Leo
>Cc: mesa-dev at lists.freedesktop.org
>Subject: Re: [Mesa-dev] [PATCH 6/6] st/va: implement
>vlVa(Query|Create|Get|Put|Destroy)Image
>
>Hi,
>
>2014-09-23 18:44 GMT+02:00 Leo Liu <leo.liu at amd.com>:
>> This patch implements functions for images support, which basically
>> supports copy data between video surface and user buffers, in this
>> case supports SW decode, and other video output
>
>My quick comments on this:
>- Be careful of allocations of chroma planes for odd-sized images ;

Right, width and height should align with 2 before divide by 2, thanks. 

>- I'd suggest you to expose I420 instead of YV12, even though that's just an U/V
>plane swap.

May I know the reason? 

Thanks,
Leo

>> Signed-off-by: Leo Liu <leo.liu at amd.com>
>> ---
>>  src/gallium/state_trackers/va/image.c      | 233
>++++++++++++++++++++++++++++-
>>  src/gallium/state_trackers/va/va_private.h |  20 +++
>>  2 files changed, 245 insertions(+), 8 deletions(-)
>>
>> diff --git a/src/gallium/state_trackers/va/image.c
>> b/src/gallium/state_trackers/va/image.c
>> index 8aaa29c..8a7d226 100644
>> --- a/src/gallium/state_trackers/va/image.c
>> +++ b/src/gallium/state_trackers/va/image.c
>> @@ -26,18 +26,65 @@
>>   *
>>
>>
>******************************************************************
>****
>> ****/
>>
>> +#include "pipe/p_screen.h"
>> +
>> +#include "util/u_memory.h"
>> +#include "util/u_handle_table.h"
>> +#include "util/u_surface.h"
>> +#include "util/u_video.h"
>> +
>> +#include "vl/vl_winsys.h"
>> +
>>  #include "va_private.h"
>>
>> +static const VAImageFormat formats[VL_VA_MAX_IMAGE_FORMATS] = {
>> +   {VA_FOURCC('N','V','1','2')},
>> +   {VA_FOURCC('Y','V','1','2')},
>> +   {VA_FOURCC('Y','U','Y','V')},
>> +   {VA_FOURCC('U','Y','V','Y')},
>> +};
>> +
>> +static void
>> +vlVaVideoSurfaceSize(vlVaSurface *p_surf, int component,
>> +                     unsigned *width, unsigned *height) {
>> +   *width = p_surf->templat.width;
>> +   *height = p_surf->templat.height;
>> +
>> +   if (component > 0) {
>> +      if (p_surf->templat.chroma_format ==
>PIPE_VIDEO_CHROMA_FORMAT_420) {
>> +         *width /= 2;
>> +         *height /= 2;
>> +      } else if (p_surf->templat.chroma_format ==
>PIPE_VIDEO_CHROMA_FORMAT_422)
>> +         *width /= 2;
>> +   }
>> +   if (p_surf->templat.interlaced)
>> +      *height /= 2;
>> +}
>> +
>>  VAStatus
>>  vlVaQueryImageFormats(VADriverContextP ctx, VAImageFormat
>> *format_list, int *num_formats)  {
>> +   struct pipe_screen *pscreen;
>> +   enum pipe_format format;
>> +   int i;
>> +
>>     if (!ctx)
>>        return VA_STATUS_ERROR_INVALID_CONTEXT;
>>
>>     if (!(format_list && num_formats))
>> -      return VA_STATUS_ERROR_UNKNOWN;
>> +      return VA_STATUS_ERROR_INVALID_PARAMETER;
>>
>>     *num_formats = 0;
>> +   pscreen = VL_VA_PSCREEN(ctx);
>> +   for (i = 0; i < sizeof(formats) / sizeof(formats[0]); ++i) {
>> +      format = YCbCrToPipe(formats[i].fourcc);
>> +      if (pscreen->is_video_format_supported(pscreen, format,
>> +          PIPE_VIDEO_PROFILE_UNKNOWN,
>> +          PIPE_VIDEO_ENTRYPOINT_BITSTREAM))
>> +         format_list[(*num_formats)++] = formats[i];
>> +   }
>>
>>     return VA_STATUS_SUCCESS;
>>  }
>> @@ -45,16 +92,57 @@ vlVaQueryImageFormats(VADriverContextP ctx,
>> VAImageFormat *format_list, int *num  VAStatus
>> vlVaCreateImage(VADriverContextP ctx, VAImageFormat *format, int
>> width, int height, VAImage *image)  {
>> +   vlVaDriver *drv;
>> +
>>     if (!ctx)
>>        return VA_STATUS_ERROR_INVALID_CONTEXT;
>>
>> -   if(!format)
>> -      return VA_STATUS_ERROR_UNKNOWN;
>> +   if (!(format && image && width && height))
>> +      return VA_STATUS_ERROR_INVALID_PARAMETER;
>>
>> -   if (!(width && height))
>> +   drv = VL_VA_DRIVER(ctx);
>> +
>> +   image->image_id = handle_table_add(drv->htab, image);
>> +   image->format = *format;
>> +   image->width = width;
>> +   image->height = height;
>> +
>> +   switch (format->fourcc) {
>> +   case VA_FOURCC('N','V','1','2'):
>> +      image->num_planes = 2;
>> +      image->pitches[0] = width;
>> +      image->offsets[0] = 0;
>> +      image->pitches[1] = width;
>> +      image->offsets[1] = width * height;
>> +      image->data_size  = width * height * 3 / 2;
>> +      break;
>> +
>> +   case VA_FOURCC('Y','V','1','2'):
>> +      image->num_planes = 3;
>> +      image->pitches[0] = width;
>> +      image->offsets[0] = 0;
>> +      image->pitches[1] = width / 2;
>> +      image->offsets[1] = width * height;
>> +      image->pitches[2] = width / 2;
>> +      image->offsets[2] = width * height * 5 / 4;
>> +      image->data_size  = width * height * 3 / 2;
>> +      break;
>> +
>> +   case VA_FOURCC('U','Y','V','Y'):
>> +   case VA_FOURCC('Y','U','Y','V'):
>> +      image->num_planes = 1;
>> +      image->pitches[0] = width * 4;
>> +      image->offsets[0] = 0;
>> +      image->data_size  = width * height * 4;
>> +      break;
>> +
>> +   default:
>>        return VA_STATUS_ERROR_INVALID_IMAGE_FORMAT;
>> +   }
>>
>> -   return VA_STATUS_ERROR_UNIMPLEMENTED;
>> +   return vlVaCreateBuffer(ctx, 0, VAImageBufferType,
>> +                           align(image->data_size, 16),
>> +                           1, NULL, &image->buf);
>>  }
>>
>>  VAStatus
>> @@ -69,10 +157,16 @@ vlVaDeriveImage(VADriverContextP ctx, VASurfaceID
>> surface, VAImage *image)  VAStatus  vlVaDestroyImage(VADriverContextP
>> ctx, VAImageID image)  {
>> +   VAImage  *vaimage;
>> +
>>     if (!ctx)
>>        return VA_STATUS_ERROR_INVALID_CONTEXT;
>>
>> -   return VA_STATUS_ERROR_UNIMPLEMENTED;
>> +   vaimage = handle_table_get(VL_VA_DRIVER(ctx)->htab, image);
>> +   if (!vaimage)
>> +      return VA_STATUS_ERROR_INVALID_IMAGE;
>> +
>> +   return vlVaDestroyBuffer(ctx, vaimage->buf);
>>  }
>>
>>  VAStatus
>> @@ -88,10 +182,80 @@ VAStatus
>>  vlVaGetImage(VADriverContextP ctx, VASurfaceID surface, int x, int y,
>>               unsigned int width, unsigned int height, VAImageID
>> image)  {
>> +   vlVaDriver *drv;
>> +   vlVaSurface *surf;
>> +   vlVaBuffer *img_buf;
>> +   VAImage *vaimage;
>> +   struct pipe_sampler_view **views;
>> +   enum pipe_format format;
>> +   void *data[3];
>> +   bool convert = false;
>> +   unsigned i, j;
>> +
>>     if (!ctx)
>>        return VA_STATUS_ERROR_INVALID_CONTEXT;
>>
>> -   return VA_STATUS_ERROR_UNIMPLEMENTED;
>> +   drv = VL_VA_DRIVER(ctx);
>> +
>> +   surf = handle_table_get(drv->htab, surface);
>> +   if (!surf || !surf->buffer)
>> +      return VA_STATUS_ERROR_INVALID_SURFACE;
>> +
>> +   vaimage = handle_table_get(drv->htab, image);
>> +   if (!vaimage)
>> +      return VA_STATUS_ERROR_INVALID_IMAGE;
>> +
>> +   img_buf = handle_table_get(drv->htab, vaimage->buf);
>> +   if (!img_buf)
>> +      return VA_STATUS_ERROR_INVALID_BUFFER;
>> +
>> +   format = YCbCrToPipe(vaimage->format.fourcc);
>> +   if (format == PIPE_FORMAT_NONE)
>> +      return VA_STATUS_ERROR_OPERATION_FAILED;
>> +
>> +   if (format != surf->buffer->buffer_format) {
>> +      /* support NV12 to YV12 conversion now only */
>> +      if (format == PIPE_FORMAT_YV12 &&
>> +          surf->buffer->buffer_format == PIPE_FORMAT_NV12)
>> +         convert = true;
>> +      else
>> +         return VA_STATUS_ERROR_OPERATION_FAILED;
>> +   }
>> +
>> +   views = surf->buffer->get_sampler_view_planes(surf->buffer);
>> +   if (!views)
>> +      return VA_STATUS_ERROR_OPERATION_FAILED;
>> +
>> +   for (i = 0; i < vaimage->num_planes; i++) {
>> +      unsigned width, height;
>> +      if (!views[i]) continue;
>> +      data[i] = img_buf->data + vaimage->offsets[i];
>> +      vlVaVideoSurfaceSize(surf, i, &width, &height);
>> +      for (j = 0; j < views[i]->texture->array_size; ++j) {
>> +         struct pipe_box box = {0, 0, j, width, height, 1};
>> +         struct pipe_transfer *transfer;
>> +         uint8_t *map;
>> +         map = drv->pipe->transfer_map(drv->pipe, views[i]->texture, 0,
>> +                  PIPE_TRANSFER_READ, &box, &transfer);
>> +         if (!map)
>> +            return VA_STATUS_ERROR_OPERATION_FAILED;
>> +
>> +         if (i == 1 && convert) {
>> +            data[2] = img_buf->data + vaimage->offsets[2];
>> +            u_copy_nv12_to_yv12(data, vaimage->pitches,
>> +               i, j, transfer->stride, views[i]->texture->array_size,
>> +               map, box.width, box.height);
>> +         } else {
>> +            util_copy_rect(data[i] + vaimage->pitches[i] * j,
>> +               views[i]->texture->format,
>> +               vaimage->pitches[i] * views[i]->texture->array_size, 0, 0,
>> +               box.width, box.height, map, transfer->stride, 0, 0);
>> +         }
>> +         pipe_transfer_unmap(drv->pipe, transfer);
>> +      }
>> +   }
>> +
>> +   return VA_STATUS_SUCCESS;
>>  }
>>
>>  VAStatus
>> @@ -99,8 +263,61 @@ vlVaPutImage(VADriverContextP ctx, VASurfaceID
>surface, VAImageID image,
>>               int src_x, int src_y, unsigned int src_width, unsigned int src_height,
>>               int dest_x, int dest_y, unsigned int dest_width,
>> unsigned int dest_height)  {
>> +   vlVaDriver *drv;
>> +   vlVaSurface *surf;
>> +   vlVaBuffer *img_buf;
>> +   VAImage *vaimage;
>> +   struct pipe_sampler_view **views;
>> +   enum pipe_format format;
>> +   unsigned i, j;
>> +
>>     if (!ctx)
>>        return VA_STATUS_ERROR_INVALID_CONTEXT;
>>
>> -   return VA_STATUS_ERROR_UNIMPLEMENTED;
>> +   drv = VL_VA_DRIVER(ctx);
>> +
>> +   surf = handle_table_get(drv->htab, surface);
>> +   if (!surf || !surf->buffer)
>> +      return VA_STATUS_ERROR_INVALID_SURFACE;
>> +
>> +   vaimage = handle_table_get(drv->htab, image);
>> +   if (!vaimage)
>> +      return VA_STATUS_ERROR_INVALID_IMAGE;
>> +
>> +   img_buf = handle_table_get(drv->htab, vaimage->buf);
>> +   if (!img_buf)
>> +      return VA_STATUS_ERROR_INVALID_BUFFER;
>> +
>> +   format = YCbCrToPipe(vaimage->format.fourcc);
>> +   if (format == PIPE_FORMAT_NONE)
>> +      return VA_STATUS_ERROR_OPERATION_FAILED;
>> +
>> +   if (surf->buffer == NULL || format != surf->buffer->buffer_format) {
>> +      if (surf->buffer)
>> +         surf->buffer->destroy(surf->buffer);
>> +      surf->templat.buffer_format = format;
>> +      surf->buffer = drv->pipe->create_video_buffer(drv->pipe, &surf->templat);
>> +      if (!surf->buffer)
>> +         return VA_STATUS_ERROR_ALLOCATION_FAILED;
>> +   }
>> +
>> +   views = surf->buffer->get_sampler_view_planes(surf->buffer);
>> +   if (!views)
>> +      return VA_STATUS_ERROR_OPERATION_FAILED;
>> +
>> +   for (i = 0; i < vaimage->num_planes; ++i) {
>> +      unsigned width, height;
>> +      if (!views[i]) continue;
>> +      vlVaVideoSurfaceSize(surf, i, &width, &height);
>> +      for (j = 0; j < views[i]->texture->array_size; ++j) {
>> +         struct pipe_box dst_box = {0, 0, j, width, height, 1};
>> +         drv->pipe->transfer_inline_write(drv->pipe, views[i]->texture, 0,
>> +            PIPE_TRANSFER_WRITE, &dst_box,
>> +            img_buf->data + vaimage->offsets[i] + vaimage->pitches[i] * j,
>> +            vaimage->pitches[i] * views[i]->texture->array_size,
>> +            0);
>> +      }
>> +   }
>> +
>> +   return VA_STATUS_SUCCESS;
>>  }
>> diff --git a/src/gallium/state_trackers/va/va_private.h
>> b/src/gallium/state_trackers/va/va_private.h
>> index 1f82677..fb0577f 100644
>> --- a/src/gallium/state_trackers/va/va_private.h
>> +++ b/src/gallium/state_trackers/va/va_private.h
>> @@ -44,6 +44,8 @@
>>  #define VL_VA_DRIVER(ctx) ((vlVaDriver *)ctx->pDriverData)  #define
>> VL_VA_PSCREEN(ctx) (VL_VA_DRIVER(ctx)->vscreen->pscreen)
>>
>> +#define VL_VA_MAX_IMAGE_FORMATS 4
>> +
>>  static inline enum pipe_video_chroma_format  ChromaToPipe(int format)
>> { @@ -60,6 +62,24 @@ ChromaToPipe(int format)
>>     }
>>  }
>>
>> +static inline enum pipe_format
>> +YCbCrToPipe(unsigned format)
>> +{
>> +   switch(format) {
>> +   case VA_FOURCC('N','V','1','2'):
>> +      return PIPE_FORMAT_NV12;
>> +   case VA_FOURCC('Y','V','1','2'):
>> +      return PIPE_FORMAT_YV12;
>> +   case VA_FOURCC('Y','U','Y','V'):
>> +      return PIPE_FORMAT_YUYV;
>> +   case VA_FOURCC('U','Y','V','Y'):
>> +      return PIPE_FORMAT_UYVY;
>> +   default:
>> +      assert(0);
>> +      return PIPE_FORMAT_NONE;
>> +   }
>> +}
>> +
>>  static inline VAProfile
>>  PipeToProfile(enum pipe_video_profile profile)  {
>> --
>> 1.9.1
>>
>> _______________________________________________
>> mesa-dev mailing list
>> mesa-dev at lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/mesa-dev
>
>
>Regards,
>--
>Gwenole Beauchesne
>Intel Corporation SAS / 2 rue de Paris, 92196 Meudon Cedex, France Registration
>Number (RCS): Nanterre B 302 456 199


More information about the mesa-dev mailing list