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Document H.264 / AVC1 format case better.

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gb 2010-04-30 08:18:07 +00:00 committed by Gwenole Beauchesne
parent fcede672df
commit 800faf9ea7
1 changed files with 13 additions and 1 deletions
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14
gst-libs/gst/vaapi/gstvaapidecoder_ffmpeg.c
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@ -264,6 +264,7 @@ gst_vaapi_decoder_ffmpeg_open(GstVaapiDecoderFfmpeg *ffdecoder, GstBuffer *buffe
GstVaapiCodec codec = GST_VAAPI_DECODER_CODEC(ffdecoder); GstVaapiCodec codec = GST_VAAPI_DECODER_CODEC(ffdecoder);
enum CodecID codec_id; enum CodecID codec_id;
AVCodec *ffcodec; AVCodec *ffcodec;
gboolean parser_is_needed;
int ret; int ret;
gst_vaapi_decoder_ffmpeg_close(ffdecoder); gst_vaapi_decoder_ffmpeg_close(ffdecoder);
@ -283,7 +284,18 @@ gst_vaapi_decoder_ffmpeg_open(GstVaapiDecoderFfmpeg *ffdecoder, GstBuffer *buffe
if (!ffcodec) if (!ffcodec)
return FALSE; return FALSE;
if (codec_id != CODEC_ID_H264 || priv->avctx->extradata_size == 0) { switch (codec_id) {
case CODEC_ID_H264:
/* For AVC1 formats, sequence headers are in extradata and
input encoded buffers represent the whole NAL unit */
parser_is_needed = priv->avctx->extradata_size == 0;
break;
default:
parser_is_needed = TRUE;
break;
}
if (parser_is_needed) {
priv->pctx = av_parser_init(codec_id); priv->pctx = av_parser_init(codec_id);
if (!priv->pctx) if (!priv->pctx)
return FALSE; return FALSE;