}
#include "shared/metrics.h"
-#include "shared/mux_opts.h"
+#include "shared/shared_defs.h"
#include "shared/timebase.h"
using namespace std;
const AVFormatContext * const ctx;
};
-Mux::Mux(AVFormatContext *avctx, int width, int height, Codec video_codec, const string &video_extradata, const AVCodecParameters *audio_codecpar, AVColorSpace color_space, WithAudio with_audio, int time_base, function<void(int64_t)> write_callback, WriteStrategy write_strategy, const vector<MuxMetrics *> &metrics)
+Mux::Mux(AVFormatContext *avctx, int width, int height, Codec video_codec, const string &video_extradata, const AVCodecParameters *audio_codecpar, AVColorSpace color_space, int time_base, function<void(int64_t)> write_callback, WriteStrategy write_strategy, const vector<MuxMetrics *> &metrics, WithSubtitles with_subtitles)
: write_strategy(write_strategy), avctx(avctx), write_callback(write_callback), metrics(metrics)
{
- avstream_video = avformat_new_stream(avctx, nullptr);
+ AVStream *avstream_video = avformat_new_stream(avctx, nullptr);
if (avstream_video == nullptr) {
fprintf(stderr, "avformat_new_stream() failed\n");
- exit(1);
+ abort();
}
avstream_video->time_base = AVRational{1, time_base};
avstream_video->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
avstream_video->codecpar->extradata_size = video_extradata.size();
memcpy(avstream_video->codecpar->extradata, video_extradata.data(), video_extradata.size());
}
+ streams.push_back(avstream_video);
- if (with_audio == WITH_AUDIO) {
- avstream_audio = avformat_new_stream(avctx, nullptr);
+ if (audio_codecpar != nullptr) {
+ AVStream *avstream_audio = avformat_new_stream(avctx, nullptr);
if (avstream_audio == nullptr) {
fprintf(stderr, "avformat_new_stream() failed\n");
- exit(1);
+ abort();
}
avstream_audio->time_base = AVRational{1, time_base};
if (avcodec_parameters_copy(avstream_audio->codecpar, audio_codecpar) < 0) {
fprintf(stderr, "avcodec_parameters_copy() failed\n");
- exit(1);
+ abort();
}
- } else {
- assert(with_audio == WITHOUT_AUDIO);
- avstream_audio = nullptr;
+ streams.push_back(avstream_audio);
+ }
+
+ if (with_subtitles == WITH_SUBTITLES) {
+ AVStream *avstream_subtitles = avformat_new_stream(avctx, nullptr);
+ if (avstream_subtitles == nullptr) {
+ fprintf(stderr, "avformat_new_stream() failed\n");
+ abort();
+ }
+ avstream_subtitles->time_base = AVRational{1, time_base};
+ avstream_subtitles->codecpar->codec_type = AVMEDIA_TYPE_SUBTITLE;
+ avstream_subtitles->codecpar->codec_id = AV_CODEC_ID_WEBVTT;
+ avstream_subtitles->disposition = AV_DISPOSITION_METADATA;
+ streams.push_back(avstream_subtitles);
+ subtitle_stream_idx = streams.size() - 1;
}
AVDictionary *options = NULL;
}
if (avformat_write_header(avctx, &options) < 0) {
fprintf(stderr, "avformat_write_header() failed\n");
- exit(1);
+ abort();
}
for (MuxMetrics *metric : metrics) {
metric->metric_written_bytes += avctx->pb->pos;
av_init_packet(&pkt_copy);
if (av_packet_ref(&pkt_copy, &pkt) < 0) {
fprintf(stderr, "av_copy_packet() failed\n");
- exit(1);
+ abort();
}
if (stream_index_override != -1) {
pkt_copy.stream_index = stream_index_override;
}
- if (pkt_copy.stream_index == 0) {
- pkt_copy.pts = av_rescale_q(pts, timebase, avstream_video->time_base);
- pkt_copy.dts = av_rescale_q(dts, timebase, avstream_video->time_base);
- pkt_copy.duration = av_rescale_q(pkt.duration, timebase, avstream_video->time_base);
- } else if (pkt_copy.stream_index == 1) {
- pkt_copy.pts = av_rescale_q(pts, timebase, avstream_audio->time_base);
- pkt_copy.dts = av_rescale_q(dts, timebase, avstream_audio->time_base);
- pkt_copy.duration = av_rescale_q(pkt.duration, timebase, avstream_audio->time_base);
- } else {
- assert(false);
- }
+ assert(size_t(pkt_copy.stream_index) < streams.size());
+ AVRational time_base = streams[pkt_copy.stream_index]->time_base;
+ pkt_copy.pts = av_rescale_q(pts, timebase, time_base);
+ pkt_copy.dts = av_rescale_q(dts, timebase, time_base);
+ pkt_copy.duration = av_rescale_q(pkt.duration, timebase, time_base);
{
lock_guard<mutex> lock(mu);