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Merge commit 'e85f6f7f8d'

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* commit 'e85f6f7f8d':
  lavc: allow using AVCodecContext.hw_frames_ctx for decoding

Conflicts:
    doc/APIchanges
    libavcodec/version.h

Merged-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2016-09-28 13:22:00 -03:00
commit 32c25f06b7
4 changed files with 37 additions and 9 deletions
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15
libavcodec/utils.c
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@ -724,6 +724,9 @@ int avcodec_default_get_buffer2(AVCodecContext *avctx, AVFrame *frame, int flags
{
int ret;
if (avctx->hw_frames_ctx)
return av_hwframe_get_buffer(avctx->hw_frames_ctx, frame, 0);
if ((ret = update_frame_pool(avctx, frame)) < 0)
return ret;
@ -1119,6 +1122,8 @@ int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
av_freep(&avctx->internal->hwaccel_priv_data);
avctx->hwaccel = NULL;
av_buffer_unref(&avctx->hw_frames_ctx);
ret = avctx->get_format(avctx, choices);
desc = av_pix_fmt_desc_get(ret);
@ -1134,6 +1139,16 @@ int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
break;
#endif
if (avctx->hw_frames_ctx) {
AVHWFramesContext *hw_frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
if (hw_frames_ctx->format != ret) {
av_log(avctx, AV_LOG_ERROR, "Format returned from get_buffer() "
"does not match the format of provided AVHWFramesContext\n");
ret = AV_PIX_FMT_NONE;
break;
}
}
if (!setup_hwaccel(avctx, ret, desc->name))
break;