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FS-8876 #resolve [Bind video threads to CPU alternating]

This commit is contained in:
Anthony Minessale 2016-02-25 16:11:28 -06:00
parent 9314001efd
commit 3d7fbd17be
2 changed files with 40 additions and 3 deletions
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39
src/switch_core_media.c
View File

@ -66,7 +66,14 @@ typedef struct secure_settings_s {
char *remote_crypto_key;
} switch_secure_settings_t;
typedef struct core_video_globals_s {
int cpu_count;
int cur_cpu;
switch_memory_pool_t *pool;
switch_mutex_t *mutex;
} core_video_globals_t;
static core_video_globals_t video_globals = { 0 };
struct media_helper {
switch_core_session_t *session;
@ -5008,6 +5015,27 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_set_video_file(switch_core_ses
return SWITCH_STATUS_SUCCESS;
}
int next_cpu(void)
{
int x = 0;
switch_mutex_lock(video_globals.mutex);
x = video_globals.cur_cpu++;
if (video_globals.cur_cpu == video_globals.cpu_count) {
video_globals.cur_cpu = 0;
}
switch_mutex_unlock(video_globals.mutex);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG1, "Binding to CPU %d\n", x);
return x;
}
static void bind_cpu(void)
{
switch_core_thread_set_cpu_affinity(next_cpu());
}
static void *SWITCH_THREAD_FUNC video_helper_thread(switch_thread_t *thread, void *obj)
{
struct media_helper *mh = obj;
@ -5029,6 +5057,8 @@ static void *SWITCH_THREAD_FUNC video_helper_thread(switch_thread_t *thread, voi
return NULL;
}
bind_cpu();
if ((var = switch_channel_get_variable(session->channel, "core_video_blank_image"))) {
blank_img = switch_img_read_png(var, SWITCH_IMG_FMT_I420);
}
@ -10283,11 +10313,18 @@ SWITCH_DECLARE (void) switch_core_media_recover_session(switch_core_session_t *s
SWITCH_DECLARE(void) switch_core_media_init(void)
{
switch_core_gen_certs(DTLS_SRTP_FNAME ".pem");
video_globals.cpu_count = switch_core_cpu_count();
video_globals.cur_cpu = 0;
switch_core_new_memory_pool(&video_globals.pool);
switch_mutex_init(&video_globals.mutex, SWITCH_MUTEX_NESTED, video_globals.pool);
}
SWITCH_DECLARE(void) switch_core_media_deinit(void)
{
switch_core_destroy_memory_pool(&video_globals.pool);
}
static int payload_number(const char *name)

4
src/switch_vpx.c
View File

@ -304,7 +304,7 @@ static switch_status_t init_decoder(switch_codec_t *codec)
// context->decoder_init = 0;
//}
cfg.threads = switch_core_cpu_count();
cfg.threads = 1;//(switch_core_cpu_count() > 1) ? 2 : 1;
if (!context->is_vp9) { // vp8 only
// dec_flags = VPX_CODEC_USE_POSTPROC;
@ -391,7 +391,7 @@ static switch_status_t init_encoder(switch_codec_t *codec)
config->rc_target_bitrate = context->bandwidth;
config->g_lag_in_frames = 0;
config->kf_max_dist = 2000;
config->g_threads = (cpus > 1) ? 2 : 1;
config->g_threads = 1;//(cpus > 1) ? 2 : 1;
if (context->is_vp9) {
//config->rc_dropframe_thresh = 2;