From ba32f284983037bcf65c8eb372703cd15bc35078 Mon Sep 17 00:00:00 2001 From: Anton Khirnov Date: Wed, 31 May 2023 16:58:50 +0200 Subject: [PATCH] doc/examples/transcode: convert timestamps between filtering and encoding The timebases do not have to match. --- doc/examples/transcode.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/doc/examples/transcode.c b/doc/examples/transcode.c index a486edc472..305181663c 100644 --- a/doc/examples/transcode.c +++ b/doc/examples/transcode.c @@ -441,6 +441,10 @@ static int encode_write_frame(unsigned int stream_index, int flush) /* encode filtered frame */ 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); if (ret < 0) @@ -495,6 +499,7 @@ static int filter_encode_write_frame(AVFrame *frame, unsigned int stream_index) break; } + filter->filtered_frame->time_base = av_buffersink_get_time_base(filter->buffersink_ctx);; filter->filtered_frame->pict_type = AV_PICTURE_TYPE_NONE; ret = encode_write_frame(stream_index, 0); av_frame_unref(filter->filtered_frame);