#include "defs.h"
#include "flags.h"
+#include "metrics.h"
#include "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, int time_base, std::function<void(int64_t)> write_callback)
- : avctx(avctx), write_callback(write_callback)
+Mux::Mux(AVFormatContext *avctx, int width, int height, Codec video_codec, const string &video_extradata, const AVCodecParameters *audio_codecpar, int time_base, std::function<void(int64_t)> write_callback, const vector<MuxMetrics *> &metrics)
+ : avctx(avctx), write_callback(write_callback), metrics(metrics)
{
avstream_video = avformat_new_stream(avctx, nullptr);
if (avstream_video == nullptr) {
fprintf(stderr, "avformat_write_header() failed\n");
exit(1);
}
+ for (MuxMetrics *metric : metrics) {
+ metric->metric_written_bytes += avctx->pb->pos;
+ }
// Make sure the header is written before the constructor exits.
avio_flush(avctx->pb);
Mux::~Mux()
{
+ int64_t old_pos = avctx->pb->pos;
av_write_trailer(avctx);
+ for (MuxMetrics *metric : metrics) {
+ metric->metric_written_bytes += avctx->pb->pos - old_pos;
+ }
+
if (!(avctx->oformat->flags & AVFMT_NOFILE) &&
!(avctx->flags & AVFMT_FLAG_CUSTOM_IO)) {
avio_closep(&avctx->pb);
void Mux::write_packet_or_die(const AVPacket &pkt)
{
+ for (MuxMetrics *metric : metrics) {
+ if (pkt.stream_index == 0) {
+ metric->metric_video_bytes += pkt.size;
+ } else if (pkt.stream_index == 1) {
+ metric->metric_audio_bytes += pkt.size;
+ } else {
+ assert(false);
+ }
+ }
+ 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");
exit(1);
}
avio_flush(avctx->pb);
+ for (MuxMetrics *metric : metrics) {
+ metric->metric_written_bytes += avctx->pb->pos - old_pos;
+ }
}
void Mux::plug()
}
plugged_packets.clear();
}
+
+void MuxMetrics::init(const vector<pair<string, string>> &labels)
+{
+ vector<pair<string, string>> labels_video = labels;
+ labels_video.emplace_back("stream", "video");
+ global_metrics.add("mux_stream_bytes", labels_video, &metric_video_bytes);
+
+ vector<pair<string, string>> labels_audio = labels;
+ labels_audio.emplace_back("stream", "audio");
+ global_metrics.add("mux_stream_bytes", labels_audio, &metric_audio_bytes);
+
+ global_metrics.add("mux_written_bytes", labels, &metric_written_bytes);
+}