obs-studio/plugins/obs-ffmpeg/ffmpeg-encoded-output.h

109 lines
3.0 KiB
C

/******************************************************************************
Copyright (C) 2019 Haivision Systems Inc.
Copyright (C) 2014 by Hugh Bailey <obs.jim@gmail.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
******************************************************************************/
#include <obs-module.h>
#include <obs-avc.h>
#include <util/platform.h>
#include <util/circlebuf.h>
#include <util/dstr.h>
#include <util/threading.h>
#include <inttypes.h>
#include "obs-ffmpeg-output.h"
#include "obs-ffmpeg-formats.h"
#define do_log(level, format, ...) \
blog(level, "[ffmpeg-encoded-output: '%s'] " format, \
obs_output_get_name(stream->output), ##__VA_ARGS__)
#define warn(format, ...) do_log(LOG_WARNING, format, ##__VA_ARGS__)
#define info(format, ...) do_log(LOG_INFO, format, ##__VA_ARGS__)
#define debug(format, ...) do_log(LOG_DEBUG, format, ##__VA_ARGS__)
#define OPT_DROP_THRESHOLD "drop_threshold_ms"
#define OPT_PFRAME_DROP_THRESHOLD "pframe_drop_threshold_ms"
#define OPT_MAX_SHUTDOWN_TIME_SEC "max_shutdown_time_sec"
#define OPT_LOWLATENCY_ENABLED "low_latency_mode_enabled"
//#define TEST_FRAMEDROPS
#ifdef TEST_FRAMEDROPS
#define DROPTEST_MAX_KBPS 3000
#define DROPTEST_MAX_BYTES (DROPTEST_MAX_KBPS * 1000 / 8)
struct droptest_info {
uint64_t ts;
size_t size;
};
#endif
struct ffmpeg_encoded_output {
obs_output_t *output;
pthread_mutex_t packets_mutex;
struct circlebuf packets;
bool sent_sps_pps;
bool got_first_video;
int64_t start_dts_offset;
volatile bool connecting;
pthread_t connect_thread;
volatile bool active;
volatile bool disconnected;
pthread_t send_thread;
int max_shutdown_time_sec;
os_sem_t *send_sem;
os_event_t *stop_event;
uint64_t stop_ts;
uint64_t shutdown_timeout_ts;
struct dstr path, key;
struct dstr username, password;
struct dstr encoder_name;
/* frame drop variables */
int64_t drop_threshold_usec;
int64_t pframe_drop_threshold_usec;
int min_priority;
float congestion;
int64_t last_dts_usec;
uint64_t total_bytes_sent;
int dropped_frames;
#ifdef TEST_FRAMEDROPS
struct circlebuf droptest_info;
size_t droptest_size;
#endif
uint8_t *write_buf;
size_t write_buf_len;
size_t write_buf_size;
pthread_mutex_t write_buf_mutex;
os_event_t *buffer_space_available_event;
os_event_t *buffer_has_data_event;
os_event_t *send_thread_signaled_exit;
struct ffmpeg_data ff_data;
};