marfrit/libva-v4l2-request-fourier
1
0
Fork 1
Code Issues 2 Pull Requests Actions Packages Projects Releases Wiki Activity

Add MPEG 2 codec

Browse Source 
This patch introduces the support of MPEG2 video decoding. It basically
just copies data from VA's frame/slice headers data structures to v4l's
MPEG2 frame header extended controls data structures.
This commit is contained in:
Florent Revest
2016-08-25 15:49:26 +02:00
parent e263c9542c
commit 728b1b41b9
8 changed files with 215 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/picture.c
+21
View File
@@ -30,6 +30,8 @@
#include "surface.h"
#include "va_config.h"
#include "mpeg2.h"
#include <assert.h>
#include <string.h>
@@ -107,6 +109,18 @@ VAStatus sunxi_cedrus_RenderPicture(VADriverContextP ctx, VAContextID context,
vaStatus = VA_STATUS_ERROR_INVALID_BUFFER;
break;
}
switch(obj_config->profile) {
case VAProfileMPEG2Simple:
case VAProfileMPEG2Main:
if(obj_buffer->type == VASliceDataBufferType)
vaStatus = sunxi_cedrus_render_mpeg2_slice_data(ctx, obj_context, obj_surface, obj_buffer);
else if(obj_buffer->type == VAPictureParameterBufferType)
vaStatus = sunxi_cedrus_render_mpeg2_picture_parameter(ctx, obj_context, obj_surface, obj_buffer);
break;
default:
break;
}
}
return vaStatus;
@@ -147,6 +161,13 @@ VAStatus sunxi_cedrus_EndPicture(VADriverContextP ctx, VAContextID context)
out_buf.request = obj_surface->request;
switch(obj_config->profile) {
case VAProfileMPEG2Simple:
case VAProfileMPEG2Main:
out_buf.m.planes[0].bytesused = obj_context->mpeg2_frame_hdr.slice_len/8;
ctrl.id = V4L2_CID_MPEG_VIDEO_MPEG2_FRAME_HDR;
ctrl.ptr = &obj_context->mpeg2_frame_hdr;
ctrl.size = sizeof(obj_context->mpeg2_frame_hdr);
break;
default:
out_buf.m.planes[0].bytesused = 0;
ctrl.id = V4L2_CID_MPEG_VIDEO_MPEG2_FRAME_HDR;