atomic<int64_t> metric_x264_output_frames_b{0};
Histogram metric_x264_crf;
LatencyHistogram x264_latency_histogram;
-once_flag x264_metrics_inited;
+
+atomic<int64_t> metric_x264_disk_queued_frames{0};
+atomic<int64_t> metric_x264_disk_max_queued_frames{X264_QUEUE_LENGTH};
+atomic<int64_t> metric_x264_disk_dropped_frames{0};
+atomic<int64_t> metric_x264_disk_output_frames_i{0};
+atomic<int64_t> metric_x264_disk_output_frames_p{0};
+atomic<int64_t> metric_x264_disk_output_frames_b{0};
+Histogram metric_x264_disk_crf;
+LatencyHistogram x264_disk_latency_histogram;
+
+once_flag x264_metrics_inited, x264_disk_metrics_inited;
void update_vbv_settings(x264_param_t *param)
{
if (global_flags.x264_bitrate == -1) {
return;
}
- if (global_flags.x264_vbv_buffer_size < 0) {
- param->rc.i_vbv_buffer_size = param->rc.i_bitrate; // One-second VBV.
- } else {
- param->rc.i_vbv_buffer_size = global_flags.x264_vbv_buffer_size;
- }
- if (global_flags.x264_vbv_max_bitrate < 0) {
- param->rc.i_vbv_max_bitrate = param->rc.i_bitrate; // CBR.
- } else {
- param->rc.i_vbv_max_bitrate = global_flags.x264_vbv_max_bitrate;
- }
+ param->rc.i_vbv_buffer_size = param->rc.i_bitrate; // One-second VBV.
+ param->rc.i_vbv_max_bitrate = param->rc.i_bitrate; // CBR.
}
} // namespace
-X264Encoder::X264Encoder(AVOutputFormat *oformat)
+X264Encoder::X264Encoder(const AVOutputFormat *oformat, bool use_separate_disk_params)
: wants_global_headers(oformat->flags & AVFMT_GLOBALHEADER),
- dyn(load_x264_for_bit_depth(global_flags.x264_bit_depth))
+ use_separate_disk_params(use_separate_disk_params),
+ dyn(load_x264_for_bit_depth(global_flags.bit_depth))
{
- call_once(x264_metrics_inited, [](){
- global_metrics.add("x264_queued_frames", &metric_x264_queued_frames, Metrics::TYPE_GAUGE);
- global_metrics.add("x264_max_queued_frames", &metric_x264_max_queued_frames, Metrics::TYPE_GAUGE);
- global_metrics.add("x264_dropped_frames", &metric_x264_dropped_frames);
- global_metrics.add("x264_output_frames", {{ "type", "i" }}, &metric_x264_output_frames_i);
- global_metrics.add("x264_output_frames", {{ "type", "p" }}, &metric_x264_output_frames_p);
- global_metrics.add("x264_output_frames", {{ "type", "b" }}, &metric_x264_output_frames_b);
-
- metric_x264_crf.init_uniform(50);
- global_metrics.add("x264_crf", &metric_x264_crf);
- x264_latency_histogram.init("x264");
- });
-
- size_t bytes_per_pixel = global_flags.x264_bit_depth > 8 ? 2 : 1;
+ if (use_separate_disk_params) {
+ call_once(x264_disk_metrics_inited, []{
+ global_metrics.add("x264_queued_frames", {{ "encode", "separate_disk" }}, &metric_x264_disk_queued_frames, Metrics::TYPE_GAUGE);
+ global_metrics.add("x264_max_queued_frames", {{ "encode", "separate_disk" }}, &metric_x264_disk_max_queued_frames, Metrics::TYPE_GAUGE);
+ global_metrics.add("x264_dropped_frames", {{ "encode", "separate_disk" }}, &metric_x264_disk_dropped_frames);
+ global_metrics.add("x264_output_frames", {{ "encode", "separate_disk" }, { "type", "i" }}, &metric_x264_disk_output_frames_i);
+ global_metrics.add("x264_output_frames", {{ "encode", "separate_disk" }, { "type", "p" }}, &metric_x264_disk_output_frames_p);
+ global_metrics.add("x264_output_frames", {{ "encode", "separate_disk" }, { "type", "b" }}, &metric_x264_disk_output_frames_b);
+
+ metric_x264_disk_crf.init_uniform(50);
+ global_metrics.add("x264_crf", {{ "encode", "separate_disk" }}, &metric_x264_disk_crf);
+ x264_disk_latency_histogram.init("x264_disk");
+ });
+ } else {
+ call_once(use_separate_disk_params ? x264_disk_metrics_inited : x264_metrics_inited, []{
+ global_metrics.add("x264_queued_frames", {{ "encode", "regular" }}, &metric_x264_queued_frames, Metrics::TYPE_GAUGE);
+ global_metrics.add("x264_max_queued_frames", {{ "encode", "regular" }}, &metric_x264_max_queued_frames, Metrics::TYPE_GAUGE);
+ global_metrics.add("x264_dropped_frames", {{ "encode", "regular" }}, &metric_x264_dropped_frames);
+ global_metrics.add("x264_output_frames", {{ "encode", "regular" }, { "type", "i" }}, &metric_x264_output_frames_i);
+ global_metrics.add("x264_output_frames", {{ "encode", "regular" }, { "type", "p" }}, &metric_x264_output_frames_p);
+ global_metrics.add("x264_output_frames", {{ "encode", "regular" }, { "type", "b" }}, &metric_x264_output_frames_b);
+
+ metric_x264_crf.init_uniform(50);
+ global_metrics.add("x264_crf", {{ "encode", "regular" }}, &metric_x264_crf);
+ x264_latency_histogram.init("x264");
+ });
+ }
+
+ size_t bytes_per_pixel = global_flags.bit_depth > 8 ? 2 : 1;
frame_pool.reset(new uint8_t[global_flags.width * global_flags.height * 2 * bytes_per_pixel * X264_QUEUE_LENGTH]);
for (unsigned i = 0; i < X264_QUEUE_LENGTH; ++i) {
free_frames.push(frame_pool.get() + i * (global_flags.width * global_flags.height * 2 * bytes_per_pixel));
{
lock_guard<mutex> lock(mu);
if (free_frames.empty()) {
- fprintf(stderr, "WARNING: x264 queue full, dropping frame with pts %ld\n", pts);
- ++metric_x264_dropped_frames;
+ if (use_separate_disk_params) {
+ fprintf(stderr, "WARNING: x264 queue full (disk encoder), dropping frame with pts %" PRId64 "\n", pts);
+ ++metric_x264_disk_dropped_frames;
+ } else {
+ fprintf(stderr, "WARNING: x264 queue full, dropping frame with pts %" PRId64 "\n", pts);
+ ++metric_x264_dropped_frames;
+ }
return;
}
free_frames.pop();
}
- size_t bytes_per_pixel = global_flags.x264_bit_depth > 8 ? 2 : 1;
+ size_t bytes_per_pixel = global_flags.bit_depth > 8 ? 2 : 1;
memcpy(qf.data, data, global_flags.width * global_flags.height * 2 * bytes_per_pixel);
{
lock_guard<mutex> lock(mu);
queued_frames.push(qf);
queued_frames_nonempty.notify_all();
- metric_x264_queued_frames = queued_frames.size();
+ if (use_separate_disk_params) {
+ metric_x264_disk_queued_frames = queued_frames.size();
+ } else {
+ metric_x264_queued_frames = queued_frames.size();
+ }
}
}
void X264Encoder::init_x264()
{
x264_param_t param;
- dyn.x264_param_default_preset(¶m, global_flags.x264_preset.c_str(), global_flags.x264_tune.c_str());
+ if (use_separate_disk_params) {
+ dyn.x264_param_default_preset(¶m, global_flags.x264_separate_disk_preset.c_str(), global_flags.x264_separate_disk_tune.c_str());
+ } else {
+ dyn.x264_param_default_preset(¶m, global_flags.x264_preset.c_str(), global_flags.x264_tune.c_str());
+ }
param.i_width = global_flags.width;
param.i_height = global_flags.height;
param.i_csp = X264_CSP_NV12;
- if (global_flags.x264_bit_depth > 8) {
+ if (global_flags.bit_depth > 8) {
param.i_csp |= X264_CSP_HIGH_DEPTH;
}
param.b_vfr_input = 1;
param.i_timebase_num = 1;
param.i_timebase_den = TIMEBASE;
param.i_keyint_max = 50; // About one second.
- if (global_flags.x264_speedcontrol) {
+ if (!use_separate_disk_params && global_flags.x264_speedcontrol) {
param.i_frame_reference = 16; // Because speedcontrol is never allowed to change this above what we set at start.
}
#if X264_BUILD >= 153
- param.i_bitdepth = global_flags.x264_bit_depth;
+ param.i_bitdepth = global_flags.bit_depth;
#endif
// NOTE: These should be in sync with the ones in quicksync_encoder.cpp (sps_rbsp()).
param.vui.i_colmatrix = 6; // BT.601/SMPTE 170M.
}
- if (!isinf(global_flags.x264_crf)) {
+ const double crf = use_separate_disk_params ? global_flags.x264_separate_disk_crf : global_flags.x264_crf;
+ const int bitrate = use_separate_disk_params ? global_flags.x264_separate_disk_bitrate : global_flags.x264_bitrate;
+ if (!isinf(crf)) {
param.rc.i_rc_method = X264_RC_CRF;
- param.rc.f_rf_constant = global_flags.x264_crf;
+ param.rc.f_rf_constant = crf;
} else {
param.rc.i_rc_method = X264_RC_ABR;
- param.rc.i_bitrate = global_flags.x264_bitrate;
- }
- update_vbv_settings(¶m);
- if (param.rc.i_vbv_max_bitrate > 0) {
- // If the user wants VBV control to cap the max rate, it is
- // also reasonable to assume that they are fine with the stream
- // constantly being around that rate even for very low-complexity
- // content; the obvious and extreme example being a static
- // black picture.
+ param.rc.i_bitrate = bitrate;
+
+ // If the user wants to cap the max rate, it is also reasonable
+ // to assume that they are fine with the stream constantly
+ // being around that rate even for very low-complexity content;
+ // the obvious and extreme example being a static black picture.
//
// One would think it's fine to have low-complexity content use
// less bitrate, but it seems to cause problems in practice;
// thus ignores the parameter.)
param.rc.b_filler = 1;
}
+ if (!use_separate_disk_params) {
+ update_vbv_settings(¶m);
+ }
// Occasionally players have problem with extremely low quantizers;
// be on the safe side. Shouldn't affect quality in any meaningful way.
param.rc.i_qp_min = 5;
- for (const string &str : global_flags.x264_extra_param) {
+ const vector<string> &extra_param = use_separate_disk_params ? global_flags.x264_separate_disk_extra_param : global_flags.x264_extra_param;
+ for (const string &str : extra_param) {
const size_t pos = str.find(',');
if (pos == string::npos) {
if (dyn.x264_param_parse(¶m, str.c_str(), nullptr) != 0) {
}
}
- if (global_flags.x264_bit_depth > 8) {
+ if (global_flags.bit_depth > 8) {
dyn.x264_param_apply_profile(¶m, "high10");
} else {
dyn.x264_param_apply_profile(¶m, "high");
x264 = dyn.x264_encoder_open(¶m);
if (x264 == nullptr) {
fprintf(stderr, "ERROR: x264 initialization failed.\n");
- exit(1);
+ abort();
}
- if (global_flags.x264_speedcontrol) {
+ if (!use_separate_disk_params && global_flags.x264_speedcontrol) {
speed_control.reset(new X264SpeedControl(x264, /*f_speed=*/1.0f, X264_QUEUE_LENGTH, /*f_buffer_init=*/1.0f));
}
qf.data = nullptr;
}
- metric_x264_queued_frames = queued_frames.size();
+ if (use_separate_disk_params) {
+ metric_x264_disk_queued_frames = queued_frames.size();
+ } else {
+ metric_x264_queued_frames = queued_frames.size();
+ }
frames_left = !queued_frames.empty();
}
dyn.x264_picture_init(&pic);
pic.i_pts = qf.pts;
- if (global_flags.x264_bit_depth > 8) {
+ if (global_flags.bit_depth > 8) {
pic.img.i_csp = X264_CSP_NV12 | X264_CSP_HIGH_DEPTH;
pic.img.i_plane = 2;
pic.img.plane[0] = qf.data;
if (num_nal == 0) return;
- if (IS_X264_TYPE_I(pic.i_type)) {
- ++metric_x264_output_frames_i;
- } else if (IS_X264_TYPE_B(pic.i_type)) {
- ++metric_x264_output_frames_b;
+ if (use_separate_disk_params) {
+ if (IS_X264_TYPE_I(pic.i_type)) {
+ ++metric_x264_disk_output_frames_i;
+ } else if (IS_X264_TYPE_B(pic.i_type)) {
+ ++metric_x264_disk_output_frames_b;
+ } else {
+ ++metric_x264_disk_output_frames_p;
+ }
+
+ metric_x264_disk_crf.count_event(pic.prop.f_crf_avg);
} else {
- ++metric_x264_output_frames_p;
- }
+ if (IS_X264_TYPE_I(pic.i_type)) {
+ ++metric_x264_output_frames_i;
+ } else if (IS_X264_TYPE_B(pic.i_type)) {
+ ++metric_x264_output_frames_b;
+ } else {
+ ++metric_x264_output_frames_p;
+ }
- metric_x264_crf.count_event(pic.prop.f_crf_avg);
+ metric_x264_crf.count_event(pic.prop.f_crf_avg);
+ }
if (frames_being_encoded.count(pic.i_pts)) {
ReceivedTimestamps received_ts = frames_being_encoded[pic.i_pts];