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/*****************************************************************
* gmerlin - a general purpose multimedia framework and applications
*
* Copyright (c) 2001 - 2024 Members of the Gmerlin project
* http://github.com/bplaum
*
* 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 <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <config.h>
#include <gmerlin/player.h>
#include <playerprivate.h>
#include <gmerlin/translation.h>
#include <gmerlin/log.h>
#define LOG_DOMAIN "player.time"
void bg_player_time_init(bg_player_t * player)
{
bg_player_audio_stream_t * s = &player->audio_stream;
if(s->plugin && (s->plugin->get_delay) &&
DO_AUDIO(player->flags))
{
s->sync_mode = SYNC_SOUNDCARD;
gavl_log(GAVL_LOG_INFO, LOG_DOMAIN, "Synchronizing with soundcard");
}
else
{
s->sync_mode = SYNC_SOFTWARE;
gavl_log(GAVL_LOG_INFO, LOG_DOMAIN, "Synchronizing with software timer");
gavl_timer_set(s->timer, gavl_track_get_start_time(player->src->track_info));
}
}
void bg_player_time_start(bg_player_t * player)
{
bg_player_audio_stream_t * ctx = &player->audio_stream;
/* Set timer */
if(ctx->sync_mode == SYNC_SOFTWARE)
{
pthread_mutex_lock(&ctx->time_mutex);
gavl_timer_start(ctx->timer);
pthread_mutex_unlock(&ctx->time_mutex);
}
}
void bg_player_time_stop(bg_player_t * player)
{
bg_player_audio_stream_t * ctx = &player->audio_stream;
if(ctx->sync_mode == SYNC_SOFTWARE)
{
pthread_mutex_lock(&ctx->time_mutex);
gavl_timer_stop(ctx->timer);
pthread_mutex_unlock(&ctx->time_mutex);
}
}
/* Called when we enter the stop or error state */
void bg_player_time_reset(bg_player_t * player)
{
bg_player_audio_stream_t * ctx = &player->audio_stream;
if(ctx->sync_mode == SYNC_SOFTWARE)
{
pthread_mutex_lock(&ctx->time_mutex);
gavl_timer_stop(ctx->timer);
pthread_mutex_unlock(&ctx->time_mutex);
}
bg_player_time_set(player, 0);
}
/* Set player time from stream timestamps */
gavl_time_t bg_player_time_sync(bg_player_t * p)
{
gavl_time_t t = GAVL_TIME_UNDEFINED;
if(DO_AUDIO(p->flags))
t = bg_player_oa_resync(p);
else if(DO_VIDEO(p->flags))
t = bg_player_ov_resync(p);
else
t = 0;
bg_player_time_set(p, t);
return t;
}
/* Get the current time */
void bg_player_time_get(bg_player_t * player, int exact,
gavl_time_t * ret)
{
gavl_time_t t;
bg_player_audio_stream_t * ctx = &player->audio_stream;
int samples_in_soundcard;
if(!exact)
{
pthread_mutex_lock(&ctx->time_mutex);
t = ctx->current_time;
pthread_mutex_unlock(&ctx->time_mutex);
}
else
{
if(ctx->sync_mode == SYNC_SOFTWARE)
{
pthread_mutex_lock(&ctx->time_mutex);
ctx->current_time = gavl_timer_get(ctx->timer);
t = ctx->current_time;
pthread_mutex_unlock(&ctx->time_mutex);
}
else
{
samples_in_soundcard = 0;
bg_plugin_lock(ctx->plugin_handle);
if(ctx->output_open)
samples_in_soundcard = ctx->plugin->get_delay(ctx->priv);
bg_plugin_unlock(ctx->plugin_handle);
pthread_mutex_lock(&ctx->time_mutex);
ctx->current_time = gavl_samples_to_time(ctx->output_format.samplerate,
ctx->samples_written-samples_in_soundcard);
t = ctx->current_time;
pthread_mutex_unlock(&ctx->time_mutex);
}
}
if(ret)
*ret = t;
}
void bg_player_time_set(bg_player_t * player, gavl_time_t time)
{
bg_player_audio_stream_t * ctx = &player->audio_stream;
pthread_mutex_lock(&ctx->time_mutex);
if(ctx->sync_mode == SYNC_SOFTWARE)
gavl_timer_set(ctx->timer, time);
else if(ctx->sync_mode == SYNC_SOUNDCARD)
{
ctx->samples_written =
gavl_time_to_samples(ctx->output_format.samplerate,
time);
}
if(player->flags & PLAYER_GAPLESS)
{
player->flags &= ~PLAYER_GAPLESS;
pthread_mutex_lock(&player->dpy_time_offset_mutex);
player->dpy_time_offset = 0;
pthread_mutex_unlock(&player->dpy_time_offset_mutex);
}
ctx->current_time = time;
pthread_mutex_unlock(&ctx->time_mutex);
player->last_seconds = GAVL_TIME_UNDEFINED;
}
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