exit(1);
}
- file_mux.reset(new Mux(avctx, width, height, Mux::CODEC_NV12));
+ file_mux.reset(new Mux(avctx, width, height, Mux::CODEC_H264, TIMEBASE));
}
void HTTPD::close_output_file()
const char *version, const char *upload_data,
size_t *upload_data_size, void **con_cls)
{
- AVOutputFormat *oformat = av_guess_format(STREAM_MUX_NAME, nullptr, nullptr);
+ AVOutputFormat *oformat = av_guess_format(global_flags.stream_mux_name.c_str(), nullptr, nullptr);
assert(oformat != nullptr);
- HTTPD::Stream *stream = new HTTPD::Stream(oformat, width, height);
+
+ int time_base = global_flags.stream_coarse_timebase ? COARSE_TIMEBASE : TIMEBASE;
+ HTTPD::Stream *stream = new HTTPD::Stream(oformat, width, height, time_base);
{
unique_lock<mutex> lock(streams_mutex);
streams.insert(stream);
}
}
-HTTPD::Mux::Mux(AVFormatContext *avctx, int width, int height, Codec codec)
+HTTPD::Mux::Mux(AVFormatContext *avctx, int width, int height, Codec video_codec, int time_base)
: avctx(avctx)
{
- AVCodec *codec_video = avcodec_find_encoder((codec == CODEC_H264) ? AV_CODEC_ID_H264 : AV_CODEC_ID_RAWVIDEO);
+ 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);
if (avstream_video == nullptr) {
fprintf(stderr, "avformat_new_stream() failed\n");
exit(1);
}
- avstream_video->time_base = AVRational{1, TIMEBASE};
+ avstream_video->time_base = AVRational{1, time_base};
avstream_video->codec->codec_type = AVMEDIA_TYPE_VIDEO;
- if (codec == CODEC_H264) {
+ if (video_codec == CODEC_H264) {
avstream_video->codec->codec_id = AV_CODEC_ID_H264;
} else {
- assert(codec == CODEC_NV12);
+ assert(video_codec == CODEC_NV12);
avstream_video->codec->codec_id = AV_CODEC_ID_RAWVIDEO;
avstream_video->codec->codec_tag = avcodec_pix_fmt_to_codec_tag(AV_PIX_FMT_NV12);
}
avstream_video->codec->width = width;
avstream_video->codec->height = height;
- avstream_video->codec->time_base = AVRational{1, TIMEBASE};
+ avstream_video->codec->time_base = AVRational{1, time_base};
avstream_video->codec->ticks_per_frame = 1; // or 2?
// Colorspace details. Closely correspond to settings in EffectChain_finalize,
fprintf(stderr, "avformat_new_stream() failed\n");
exit(1);
}
- avstream_audio->time_base = AVRational{1, TIMEBASE};
+ avstream_audio->time_base = AVRational{1, time_base};
avstream_audio->codec->bit_rate = AUDIO_OUTPUT_BIT_RATE;
avstream_audio->codec->sample_rate = OUTPUT_FREQUENCY;
avstream_audio->codec->sample_fmt = AUDIO_OUTPUT_SAMPLE_FMT;
avstream_audio->codec->channels = 2;
avstream_audio->codec->channel_layout = AV_CH_LAYOUT_STEREO;
- avstream_audio->codec->time_base = AVRational{1, TIMEBASE};
+ avstream_audio->codec->time_base = AVRational{1, time_base};
if (avctx->oformat->flags & AVFMT_GLOBALHEADER) {
avstream_audio->codec->flags = AV_CODEC_FLAG_GLOBAL_HEADER;
}
av_packet_unref(&pkt_copy);
}
-HTTPD::Stream::Stream(AVOutputFormat *oformat, int width, int height)
+HTTPD::Stream::Stream(AVOutputFormat *oformat, int width, int height, int time_base)
{
AVFormatContext *avctx = avformat_alloc_context();
avctx->oformat = oformat;
uint8_t *buf = (uint8_t *)av_malloc(MUX_BUFFER_SIZE);
avctx->pb = avio_alloc_context(buf, MUX_BUFFER_SIZE, 1, this, nullptr, &HTTPD::Stream::write_packet_thunk, nullptr);
- Mux::Codec codec;
+ Mux::Codec video_codec;
if (global_flags.uncompressed_video_to_http) {
- codec = Mux::CODEC_NV12;
+ video_codec = Mux::CODEC_NV12;
} else {
- codec = Mux::CODEC_H264;
+ video_codec = Mux::CODEC_H264;
}
avctx->flags = AVFMT_FLAG_CUSTOM_IO;
- mux.reset(new Mux(avctx, width, height, codec));
+ mux.reset(new Mux(avctx, width, height, video_codec, time_base));
}
ssize_t HTTPD::Stream::reader_callback_thunk(void *cls, uint64_t pos, char *buf, size_t max)
if (max >= len) {
// Consume the entire (rest of the) string.
memcpy(buf, s.data() + used_of_buffered_data, len);
+ buf += len;
ret += len;
max -= len;
buffered_data.pop_front();
} else {
// We don't need the entire string; just use the first part of it.
memcpy(buf, s.data() + used_of_buffered_data, max);
+ buf += max;
used_of_buffered_data += max;
ret += max;
max = 0;