#include "video_encoder.h"
#include <assert.h>
-
+#include <stdio.h>
+#include <time.h>
+#include <unistd.h>
#include <string>
+#include <thread>
+
+extern "C" {
+#include <libavutil/mem.h>
+}
+#include "audio_encoder.h"
#include "defs.h"
+#include "ffmpeg_raii.h"
#include "flags.h"
#include "httpd.h"
-#include "timebase.h"
+#include "mux.h"
#include "quicksync_encoder.h"
+#include "timebase.h"
#include "x264_encoder.h"
+class RefCountedFrame;
+
using namespace std;
using namespace movit;
// Use the frame number to disambiguate between two cuts starting
// on the same second.
char filename[256];
- snprintf(filename, sizeof(filename), "%s%s-f%02d%s",
+ snprintf(filename, sizeof(filename), "%s/%s%s-f%02d%s",
+ global_flags.recording_dir.c_str(),
LOCAL_DUMP_PREFIX, timestamp, frame % 100, LOCAL_DUMP_SUFFIX);
return filename;
}
} // namespace
-VideoEncoder::VideoEncoder(ResourcePool *resource_pool, QSurface *surface, const std::string &va_display, int width, int height, HTTPD *httpd)
- : resource_pool(resource_pool), surface(surface), va_display(va_display), width(width), height(height), httpd(httpd)
+VideoEncoder::VideoEncoder(ResourcePool *resource_pool, QSurface *surface, const std::string &va_display, int width, int height, HTTPD *httpd, DiskSpaceEstimator *disk_space_estimator)
+ : resource_pool(resource_pool), surface(surface), va_display(va_display), width(width), height(height), httpd(httpd), disk_space_estimator(disk_space_estimator)
{
oformat = av_guess_format(global_flags.stream_mux_name.c_str(), nullptr, nullptr);
assert(oformat != nullptr);
} else {
stream_audio_encoder.reset(new AudioEncoder(global_flags.stream_audio_codec_name, global_flags.stream_audio_codec_bitrate, oformat));
}
- if (global_flags.x264_video_to_http) {
+ if (global_flags.x264_video_to_http || global_flags.x264_video_to_disk) {
x264_encoder.reset(new X264Encoder(oformat));
}
string filename = generate_local_dump_filename(/*frame=*/0);
- quicksync_encoder.reset(new QuickSyncEncoder(filename, resource_pool, surface, va_display, width, height, oformat, x264_encoder.get()));
+ quicksync_encoder.reset(new QuickSyncEncoder(filename, resource_pool, surface, va_display, width, height, oformat, x264_encoder.get(), disk_space_estimator));
open_output_stream();
stream_audio_encoder->add_mux(stream_mux.get());
quicksync_encoder->set_stream_mux(stream_mux.get());
if (global_flags.x264_video_to_http) {
- x264_encoder->set_mux(stream_mux.get());
+ x264_encoder->add_mux(stream_mux.get());
}
}
VideoEncoder::~VideoEncoder()
{
+ quicksync_encoder->shutdown();
+ x264_encoder.reset(nullptr);
+ quicksync_encoder->close_file();
quicksync_encoder.reset(nullptr);
while (quicksync_encoders_in_shutdown.load() > 0) {
usleep(10000);
// the same time, it means pts could come out of order to the stream mux,
// and we need to plug it until the shutdown is complete.
stream_mux->plug();
- lock_guard<mutex> lock(qs_mu);
+ lock(qs_mu, qs_audio_mu);
+ lock_guard<mutex> lock1(qs_mu, adopt_lock), lock2(qs_audio_mu, adopt_lock);
QuickSyncEncoder *old_encoder = quicksync_encoder.release(); // When we go C++14, we can use move capture instead.
- thread([old_encoder, this]{
+ X264Encoder *old_x264_encoder = nullptr;
+ if (global_flags.x264_video_to_disk) {
+ old_x264_encoder = x264_encoder.release();
+ }
+ thread([old_encoder, old_x264_encoder, this]{
old_encoder->shutdown();
+ delete old_x264_encoder;
+ old_encoder->close_file();
stream_mux->unplug();
// We cannot delete the encoder here, as this thread has no OpenGL context.
qs_needing_cleanup.emplace_back(old_encoder);
}).detach();
- quicksync_encoder.reset(new QuickSyncEncoder(filename, resource_pool, surface, va_display, width, height, oformat, x264_encoder.get()));
+ if (global_flags.x264_video_to_disk) {
+ x264_encoder.reset(new X264Encoder(oformat));
+ if (global_flags.x264_video_to_http) {
+ x264_encoder->add_mux(stream_mux.get());
+ }
+ if (overriding_bitrate != 0) {
+ x264_encoder->change_bitrate(overriding_bitrate);
+ }
+ }
+
+ quicksync_encoder.reset(new QuickSyncEncoder(filename, resource_pool, surface, va_display, width, height, oformat, x264_encoder.get(), disk_space_estimator));
quicksync_encoder->set_stream_mux(stream_mux.get());
}
void VideoEncoder::change_x264_bitrate(unsigned rate_kbit)
{
+ overriding_bitrate = rate_kbit;
x264_encoder->change_bitrate(rate_kbit);
}
void VideoEncoder::add_audio(int64_t pts, std::vector<float> audio)
{
- lock_guard<mutex> lock(qs_mu);
- quicksync_encoder->add_audio(pts, audio);
+ // Take only qs_audio_mu, since add_audio() is thread safe
+ // (we can only conflict with do_cut(), which takes qs_audio_mu)
+ // and we don't want to contend with begin_frame().
+ {
+ lock_guard<mutex> lock(qs_audio_mu);
+ quicksync_encoder->add_audio(pts, audio);
+ }
stream_audio_encoder->encode_audio(audio, pts + quicksync_encoder->global_delay());
}
-bool VideoEncoder::begin_frame(GLuint *y_tex, GLuint *cbcr_tex)
+bool VideoEncoder::is_zerocopy() const
+{
+ // Explicitly do _not_ take qs_mu; this is called from the mixer,
+ // and qs_mu might be contended. is_zerocopy() is thread safe
+ // and never called in parallel with do_cut() (both happen only
+ // from the mixer thread).
+ return quicksync_encoder->is_zerocopy();
+}
+
+bool VideoEncoder::begin_frame(int64_t pts, int64_t duration, movit::YCbCrLumaCoefficients ycbcr_coefficients, const std::vector<RefCountedFrame> &input_frames, GLuint *y_tex, GLuint *cbcr_tex)
{
lock_guard<mutex> lock(qs_mu);
qs_needing_cleanup.clear(); // Since we have an OpenGL context here, and are called regularly.
- return quicksync_encoder->begin_frame(y_tex, cbcr_tex);
+ return quicksync_encoder->begin_frame(pts, duration, ycbcr_coefficients, input_frames, y_tex, cbcr_tex);
}
-RefCountedGLsync VideoEncoder::end_frame(int64_t pts, int64_t duration, const std::vector<RefCountedFrame> &input_frames)
+RefCountedGLsync VideoEncoder::end_frame()
{
lock_guard<mutex> lock(qs_mu);
- return quicksync_encoder->end_frame(pts, duration, input_frames);
+ return quicksync_encoder->end_frame();
}
void VideoEncoder::open_output_stream()
avctx->flags = AVFMT_FLAG_CUSTOM_IO;
string video_extradata;
- if (global_flags.x264_video_to_http) {
+ if (global_flags.x264_video_to_http || global_flags.x264_video_to_disk) {
video_extradata = x264_encoder->get_global_headers();
}
int time_base = global_flags.stream_coarse_timebase ? COARSE_TIMEBASE : TIMEBASE;
- stream_mux.reset(new Mux(avctx, width, height, video_codec, video_extradata, stream_audio_encoder->get_ctx(), time_base));
+ stream_mux.reset(new Mux(avctx, width, height, video_codec, video_extradata, stream_audio_encoder->get_codec_parameters().get(), time_base,
+ /*write_callback=*/nullptr, Mux::WRITE_FOREGROUND, { &stream_mux_metrics }));
+ stream_mux_metrics.init({{ "destination", "http" }});
}
int VideoEncoder::write_packet2_thunk(void *opaque, uint8_t *buf, int buf_size, AVIODataMarkerType type, int64_t time)
int VideoEncoder::write_packet2(uint8_t *buf, int buf_size, AVIODataMarkerType type, int64_t time)
{
+ if (type == AVIO_DATA_MARKER_SYNC_POINT || type == AVIO_DATA_MARKER_BOUNDARY_POINT) {
+ seen_sync_markers = true;
+ } else if (type == AVIO_DATA_MARKER_UNKNOWN && !seen_sync_markers) {
+ // We don't know if this is a keyframe or not (the muxer could
+ // avoid marking it), so we just have to make the best of it.
+ type = AVIO_DATA_MARKER_SYNC_POINT;
+ }
+
if (type == AVIO_DATA_MARKER_HEADER) {
stream_mux_header.append((char *)buf, buf_size);
httpd->set_header(stream_mux_header);
projects / nageru / blobdiff