mirror of https://git.ffmpeg.org/ffmpeg.git
doc/examples/transcode: convert timestamps between filtering and encoding
The timebases do not have to match.
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@ -441,6 +441,10 @@ static int encode_write_frame(unsigned int stream_index, int flush)
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/* encode filtered frame */
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/* encode filtered frame */
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av_packet_unref(enc_pkt);
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av_packet_unref(enc_pkt);
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if (filt_frame && filt_frame->pts != AV_NOPTS_VALUE)
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filt_frame->pts = av_rescale_q(filt_frame->pts, filt_frame->time_base,
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stream->enc_ctx->time_base);
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ret = avcodec_send_frame(stream->enc_ctx, filt_frame);
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ret = avcodec_send_frame(stream->enc_ctx, filt_frame);
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if (ret < 0)
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if (ret < 0)
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@ -495,6 +499,7 @@ static int filter_encode_write_frame(AVFrame *frame, unsigned int stream_index)
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break;
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break;
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}
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}
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filter->filtered_frame->time_base = av_buffersink_get_time_base(filter->buffersink_ctx);;
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filter->filtered_frame->pict_type = AV_PICTURE_TYPE_NONE;
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filter->filtered_frame->pict_type = AV_PICTURE_TYPE_NONE;
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ret = encode_write_frame(stream_index, 0);
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ret = encode_write_frame(stream_index, 0);
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av_frame_unref(filter->filtered_frame);
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av_frame_unref(filter->filtered_frame);
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