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avcodec.h: Clarify AVCodecContext::pix_fmt documentation since its value may be set by the demuxer
rawdec.c: Only perform bits_per_coded_sample -> pix_fmt guesswork if pix_fmt hasn't been set Originally committed as revision 23561 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -1121,8 +1121,10 @@ typedef struct AVCodecContext {
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/**
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* Pixel format, see PIX_FMT_xxx.
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* May be set by the demuxer if known from headers.
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* May be overriden by the decoder if it knows better.
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* - encoding: Set by user.
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* - decoding: Set by libavcodec.
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* - decoding: Set by user if known, overridden by libavcodec if known
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*/
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enum PixelFormat pix_fmt;
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@ -77,7 +77,7 @@ static av_cold int raw_init_decoder(AVCodecContext *avctx)
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avctx->pix_fmt = find_pix_fmt(pix_fmt_bps_mov, avctx->bits_per_coded_sample);
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else if (avctx->codec_tag)
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avctx->pix_fmt = find_pix_fmt(ff_raw_pix_fmt_tags, avctx->codec_tag);
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else if (avctx->bits_per_coded_sample)
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else if (avctx->pix_fmt == PIX_FMT_NONE && avctx->bits_per_coded_sample)
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avctx->pix_fmt = find_pix_fmt(pix_fmt_bps_avi, avctx->bits_per_coded_sample);
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context->length = avpicture_get_size(avctx->pix_fmt, avctx->width, avctx->height);
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