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avcodec/utils: improve guess_correct_pts() by considerng mixed dts/pts use caused by NOPTSs

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No testcase known, this is a theoretical improvment

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-02-14 20:27:07 +01:00
parent 9ed876ac92
commit 68a959cb27
1 changed files with 6 additions and 2 deletions
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8
libavcodec/utils.c
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@ -1966,11 +1966,15 @@ static int64_t guess_correct_pts(AVCodecContext *ctx,
if (dts != AV_NOPTS_VALUE) { if (dts != AV_NOPTS_VALUE) {
ctx->pts_correction_num_faulty_dts += dts <= ctx->pts_correction_last_dts; ctx->pts_correction_num_faulty_dts += dts <= ctx->pts_correction_last_dts;
ctx->pts_correction_last_dts = dts; ctx->pts_correction_last_dts = dts;
} } else if (reordered_pts != AV_NOPTS_VALUE)
ctx->pts_correction_last_dts = reordered_pts;
if (reordered_pts != AV_NOPTS_VALUE) { if (reordered_pts != AV_NOPTS_VALUE) {
ctx->pts_correction_num_faulty_pts += reordered_pts <= ctx->pts_correction_last_pts; ctx->pts_correction_num_faulty_pts += reordered_pts <= ctx->pts_correction_last_pts;
ctx->pts_correction_last_pts = reordered_pts; ctx->pts_correction_last_pts = reordered_pts;
} } else if(dts != AV_NOPTS_VALUE)
ctx->pts_correction_last_pts = dts;
if ((ctx->pts_correction_num_faulty_pts<=ctx->pts_correction_num_faulty_dts || dts == AV_NOPTS_VALUE) if ((ctx->pts_correction_num_faulty_pts<=ctx->pts_correction_num_faulty_dts || dts == AV_NOPTS_VALUE)
&& reordered_pts != AV_NOPTS_VALUE) && reordered_pts != AV_NOPTS_VALUE)
pts = reordered_pts; pts = reordered_pts;