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