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, 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 *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;
if (video_codec == CODEC_H264) {
avstream_video->codecpar->codec_id = AV_CODEC_ID_H264;
+ } else if (video_codec == CODEC_AV1) {
+ avstream_video->codecpar->codec_id = AV_CODEC_ID_AV1;
} else if (video_codec == CODEC_NV12) {
avstream_video->codecpar->codec_id = AV_CODEC_ID_RAWVIDEO;
avstream_video->codecpar->codec_tag = avcodec_pix_fmt_to_codec_tag(AV_PIX_FMT_NV12);
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();
}
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;
vector<pair<string, string>> opts = MUX_OPTS;
for (pair<string, string> opt : opts) {
av_dict_set(&options, opt.first.c_str(), opt.second.c_str(), 0);
}
- if (avformat_write_header(avctx, &options) < 0) {
- fprintf(stderr, "avformat_write_header() failed\n");
- exit(1);
+ int err = avformat_write_header(avctx, &options);
+ if (err < 0) {
+ char errbuf[AV_ERROR_MAX_STRING_SIZE];
+ av_strerror(err, errbuf, sizeof(errbuf));
+ fprintf(stderr, "avformat_write_header() failed: %s\n", errbuf);
+ exit(EXIT_FAILURE);
}
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;
}
}
int64_t old_pos = avctx->pb->pos;
- if (av_interleaved_write_frame(avctx, const_cast<AVPacket *>(&pkt)) < 0) {
- fprintf(stderr, "av_interleaved_write_frame() failed\n");
- abort();
+ int err = av_interleaved_write_frame(avctx, const_cast<AVPacket *>(&pkt));
+ if (err < 0) {
+ char errbuf[AV_ERROR_MAX_STRING_SIZE];
+ av_strerror(err, errbuf, sizeof(errbuf));
+ fprintf(stderr, "av_interleaved_write_frame() failed: %s\n", errbuf);
+ exit(EXIT_FAILURE);
}
avio_flush(avctx->pb);
for (MuxMetrics *metric : metrics) {