X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=mux.cpp;fp=mux.cpp;h=cc67eb616b466b4a4e42f89fe511eeba8c081e11;hb=61919d1071d4501106bfba9edef95a714b025c8e;hp=184fa1e11d549f33b8be9bceae5895a365cb4c90;hpb=c502fec6557ba7c7e1947584d910fbc68f1be369;p=nageru diff --git a/mux.cpp b/mux.cpp index 184fa1e..cc67eb6 100644 --- a/mux.cpp +++ b/mux.cpp @@ -29,8 +29,8 @@ struct PacketBefore { const AVFormatContext * const ctx; }; -Mux::Mux(AVFormatContext *avctx, int width, int height, Codec video_codec, const string &video_extradata, const AVCodecContext *audio_ctx, int time_base, KeyFrameSignalReceiver *keyframe_signal_receiver) - : avctx(avctx), keyframe_signal_receiver(keyframe_signal_receiver) +Mux::Mux(AVFormatContext *avctx, int width, int height, Codec video_codec, const string &video_extradata, const AVCodecContext *audio_ctx, int time_base) + : avctx(avctx) { AVCodec *codec_video = avcodec_find_encoder((video_codec == CODEC_H264) ? AV_CODEC_ID_H264 : AV_CODEC_ID_RAWVIDEO); avstream_video = avformat_new_stream(avctx, codec_video); @@ -123,47 +123,16 @@ void Mux::add_packet(const AVPacket &pkt, int64_t pts, int64_t dts) if (plug_count > 0) { plugged_packets.push_back(av_packet_clone(&pkt_copy)); } else { - add_interleaved_packet(pkt_copy); + write_packet_or_die(pkt_copy); } } av_packet_unref(&pkt_copy); } -void Mux::add_interleaved_packet(const AVPacket &pkt) +void Mux::write_packet_or_die(const AVPacket &pkt) { - if (waiting_packets.empty() || waiting_packets.front()->stream_index == pkt.stream_index) { - // We could still get packets of the other type with earlier pts/dts, - // so we'll have to queue and wait. - waiting_packets.push(av_packet_clone(const_cast(&pkt))); - return; - } - - // Flush all the queued packets that are supposed to go before this. - PacketBefore before(avctx); - while (!waiting_packets.empty() && !before(&pkt, waiting_packets.front())) { - AVPacket *queued_pkt = waiting_packets.front(); - waiting_packets.pop(); - write_packet_with_signal(*queued_pkt); - av_packet_free(&queued_pkt); - } - - if (waiting_packets.empty()) { - waiting_packets.push(av_packet_clone(const_cast(&pkt))); - } else { - write_packet_with_signal(pkt); - } -} - -void Mux::write_packet_with_signal(const AVPacket &pkt) -{ - if (keyframe_signal_receiver) { - if (pkt.flags & AV_PKT_FLAG_KEY) { - av_write_frame(avctx, nullptr); - keyframe_signal_receiver->signal_keyframe(); - } - } - if (av_write_frame(avctx, const_cast(&pkt)) < 0) { + if (av_interleaved_write_frame(avctx, const_cast(&pkt)) < 0) { fprintf(stderr, "av_interleaved_write_frame() failed\n"); exit(1); } @@ -187,7 +156,7 @@ void Mux::unplug() sort(plugged_packets.begin(), plugged_packets.end(), PacketBefore(avctx)); for (AVPacket *pkt : plugged_packets) { - add_interleaved_packet(*pkt); + write_packet_or_die(*pkt); av_packet_free(&pkt); } plugged_packets.clear();