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FS-9357 handle packet loss, reset decoder on mem err

This commit is contained in:
Seven Du 2016-07-24 20:44:39 +08:00
parent 18f1d56891
commit 7df07d30e0
1 changed files with 26 additions and 6 deletions
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32
src/switch_vpx.c
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@ -42,6 +42,12 @@
// #define DEBUG_VP9
#ifdef DEBUG_VP9
#define VPX_SWITCH_LOG_LEVEL SWITCH_LOG_ERROR
#else
#define VPX_SWITCH_LOG_LEVEL SWITCH_LOG_DEBUG1
#endif
#define SLICE_SIZE SWITCH_DEFAULT_VIDEO_SIZE
#define KEY_FRAME_MIN_FREQ 250000
@ -291,6 +297,7 @@ struct vpx_context {
int got_start_frame;
uint32_t last_received_timestamp;
switch_bool_t last_received_complete_picture;
uint16_t last_received_seq;
int need_key_frame;
int need_encoder_reset;
int need_decoder_reset;
@ -333,6 +340,7 @@ static switch_status_t init_decoder(switch_codec_t *codec)
context->last_ts = 0;
context->last_received_timestamp = 0;
context->last_received_complete_picture = 0;
context->last_received_seq = 0;
context->decoder_init = 1;
context->got_key_frame = 0;
context->no_key_frame = 0;
@ -406,7 +414,7 @@ static switch_status_t init_encoder(switch_codec_t *codec)
config->g_lag_in_frames = 0;
config->kf_max_dist = 360;//2000;
threads = cpus / 4;
if (threads < 0) threads = 1;
if (threads < 1) threads = 1;
config->g_threads = threads;
if (context->is_vp9) {
@ -967,7 +975,7 @@ static switch_status_t buffer_vp9_packets(vpx_context_t *context, switch_frame_t
#ifdef DEBUG_VP9
switch_log_printf(SWITCH_CHANNEL_LOG, frame->m ? SWITCH_LOG_ERROR : SWITCH_LOG_INFO,
"[%02x %02x %02x %02x] m=%d len=%4d seq=%d ts=%d ssrc=%u "
"[%02x %02x %02x %02x] m=%d len=%4d seq=%d ts=%u ssrc=%u "
"have_pid=%d "
"have_p_layer=%d "
"have_layer_ind=%d "
@ -1111,11 +1119,16 @@ static switch_status_t switch_vpx_decode(switch_codec_t *codec, switch_frame_t *
is_keyframe = IS_VP9_KEY_FRAME(*(unsigned char *)frame->data);
is_start = IS_VP9_START_PKT(*(unsigned char *)frame->data);
#ifdef DEBUG_VP9
if (is_keyframe) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "================Got a key frame!!!!========================\n");
switch_log_printf(SWITCH_CHANNEL_LOG, VPX_SWITCH_LOG_LEVEL, "================Got a key frame!!!!========================\n");
}
#endif
if (context->last_received_seq && context->last_received_seq + 1 != frame->seq) {
switch_log_printf(SWITCH_CHANNEL_LOG, VPX_SWITCH_LOG_LEVEL, "Packet loss detected last=%d got=%d lost=%d\n", context->last_received_seq, frame->seq, frame->seq - context->last_received_seq);
if (is_keyframe && context->vpx_packet_buffer) switch_buffer_zero(context->vpx_packet_buffer);
}
context->last_received_seq = frame->seq;
} else { // vp8
is_start = (*(unsigned char *)frame->data & 0x10);
is_keyframe = IS_VP8_KEY_FRAME((uint8_t *)frame->data);
@ -1210,8 +1223,15 @@ static switch_status_t switch_vpx_decode(switch_codec_t *codec, switch_frame_t *
err = vpx_codec_decode(decoder, data, (unsigned int)len, NULL, 0);
if (err != VPX_CODEC_OK) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG1, "Error decoding %" SWITCH_SIZE_T_FMT " bytes, [%d:%s:%s]\n",
switch_log_printf(SWITCH_CHANNEL_LOG, VPX_SWITCH_LOG_LEVEL, "Error decoding %" SWITCH_SIZE_T_FMT " bytes, [%d:%s:%s]\n",
len, err, vpx_codec_error(decoder), vpx_codec_error_detail(decoder));
if (err == VPX_CODEC_MEM_ERROR) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "VPX MEM ERROR, resetting decoder!\n");
context->need_decoder_reset = 1;
}
switch_goto_status(SWITCH_STATUS_RESTART, end);
}