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doc/examples/transcode: convert timestamps between filtering and encoding

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The timebases do not have to match.
This commit is contained in:
Anton Khirnov
2023-05-31 16:58:50 +02:00
parent 811b0e02be
commit ba32f28498
1 changed files with 5 additions and 0 deletions
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5
doc/examples/transcode.c
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@@ -441,6 +441,10 @@ static int encode_write_frame(unsigned int stream_index, int flush)
/* encode filtered frame */ /* encode filtered frame */
av_packet_unref(enc_pkt); av_packet_unref(enc_pkt);
if (filt_frame && filt_frame->pts != AV_NOPTS_VALUE)
filt_frame->pts = av_rescale_q(filt_frame->pts, filt_frame->time_base,
stream->enc_ctx->time_base);
ret = avcodec_send_frame(stream->enc_ctx, filt_frame); ret = avcodec_send_frame(stream->enc_ctx, filt_frame);
if (ret < 0) if (ret < 0)
@@ -495,6 +499,7 @@ static int filter_encode_write_frame(AVFrame *frame, unsigned int stream_index)
break; break;
} }
filter->filtered_frame->time_base = av_buffersink_get_time_base(filter->buffersink_ctx);;
filter->filtered_frame->pict_type = AV_PICTURE_TYPE_NONE; filter->filtered_frame->pict_type = AV_PICTURE_TYPE_NONE;
ret = encode_write_frame(stream_index, 0); ret = encode_write_frame(stream_index, 0);
av_frame_unref(filter->filtered_frame); av_frame_unref(filter->filtered_frame);