avcodec/dpx: extract frame rate
Fixes part of Ticket3511 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -20,6 +20,7 @@
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*/
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#include "libavutil/intreadwrite.h"
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#include "libavutil/intfloat_readwrite.h"
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#include "libavutil/imgutils.h"
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#include "bytestream.h"
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#include "avcodec.h"
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@ -146,6 +147,16 @@ static int decode_frame(AVCodecContext *avctx,
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else
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avctx->sample_aspect_ratio = (AVRational){ 0, 1 };
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if (offset >= 1724 + 4) {
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buf = avpkt->data + 1724;
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i = read32(&buf, endian);
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if(i) {
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AVRational q = av_d2q(av_int2flt(i), 4096);
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if (q.num > 0 && q.den > 0)
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avctx->time_base = av_inv_q(q);
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}
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}
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switch (descriptor) {
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case 6: // Y
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elements = 1;
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