avstream_video->codec->color_range = AVCOL_RANGE_MPEG; // Full vs. limited range (output_ycbcr_format.full_range).
avstream_video->codec->chroma_sample_location = AVCHROMA_LOC_LEFT; // Chroma sample location. See chroma_offset_0[] in Mixer::subsample_chroma().
avstream_video->codec->field_order = AV_FIELD_PROGRESSIVE;
+ if (avctx->oformat->flags & AVFMT_GLOBALHEADER) {
+ avstream_video->codec->flags = AV_CODEC_FLAG_GLOBAL_HEADER;
+ }
AVCodec *codec_audio = avcodec_find_encoder(AUDIO_OUTPUT_CODEC);
avstream_audio = avformat_new_stream(avctx, codec_audio);
avstream_audio->codec->channels = 2;
avstream_audio->codec->channel_layout = AV_CH_LAYOUT_STEREO;
avstream_audio->codec->time_base = AVRational{1, TIMEBASE};
+ if (avctx->oformat->flags & AVFMT_GLOBALHEADER) {
+ avstream_audio->codec->flags = AV_CODEC_FLAG_GLOBAL_HEADER;
+ }
AVDictionary *options = NULL;
vector<pair<string, string>> opts = MUX_OPTS;
HTTPD::Mux::~Mux()
{
av_write_trailer(avctx);
+ av_free(avctx->pb->buffer);
+ av_free(avctx->pb);
avformat_free_context(avctx);
}
void HTTPD::Mux::add_packet(const AVPacket &pkt, int64_t pts, int64_t dts)
{
+ if (!seen_keyframe && !(pkt.stream_index == 0 && (pkt.flags & AV_PKT_FLAG_KEY))) {
+ // Wait until we see the first (video) key frame.
+ return;
+ }
+ seen_keyframe = true;
+
AVPacket pkt_copy;
av_copy_packet(&pkt_copy, &pkt);
if (pkt.stream_index == 0) {
fprintf(stderr, "av_interleaved_write_frame() failed\n");
exit(1);
}
+
+ av_packet_unref(&pkt_copy);
}
HTTPD::Stream::Stream(AVOutputFormat *oformat, int width, int height)