Merge pull request #759 in FS/freeswitch from FS-8406 to master

* commit '3d90d752fca16016d4a3556cb02bf9db837feffa':
  FS-8406 #resolve #comment improvement to drop video packets on slow rtmp link
  FS-8406 #comment add options to scale down cavas size, fps and bandwidth
This commit is contained in:
Seven Du 2016-03-17 20:09:32 -05:00
commit 6870b4bba4
8 changed files with 228 additions and 50 deletions

View File

@ -1233,6 +1233,7 @@ void conference_video_write_canvas_image_to_codec_group(conference_obj_t *confer
conference_member_t *imember; conference_member_t *imember;
switch_frame_t write_frame = { 0 }, *frame = NULL; switch_frame_t write_frame = { 0 }, *frame = NULL;
switch_status_t encode_status = SWITCH_STATUS_FALSE; switch_status_t encode_status = SWITCH_STATUS_FALSE;
switch_image_t *scaled_img = codec_set->scaled_img;
write_frame = codec_set->frame; write_frame = codec_set->frame;
frame = &write_frame; frame = &write_frame;
@ -1254,6 +1255,16 @@ void conference_video_write_canvas_image_to_codec_group(conference_obj_t *confer
switch_core_codec_control(&codec_set->codec, SCC_VIDEO_GEN_KEYFRAME, SCCT_NONE, NULL, SCCT_NONE, NULL, NULL, NULL); switch_core_codec_control(&codec_set->codec, SCC_VIDEO_GEN_KEYFRAME, SCCT_NONE, NULL, SCCT_NONE, NULL, NULL, NULL);
} }
if (scaled_img) {
if (!send_keyframe && codec_set->fps_divisor > 1 && (codec_set->frame_count++) % codec_set->fps_divisor) {
// switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Skip one frame, total: %d\n", codec_set->frame_count);
return;
}
switch_img_scale(frame->img, &scaled_img, scaled_img->d_w, scaled_img->d_h);
frame->img = scaled_img;
}
do { do {
frame->data = ((unsigned char *)frame->packet) + 12; frame->data = ((unsigned char *)frame->packet) + 12;
@ -2320,6 +2331,28 @@ void *SWITCH_THREAD_FUNC conference_video_muxing_thread_run(switch_thread_t *thr
write_codecs[i]->frame.data = ((uint8_t *)write_codecs[i]->frame.packet) + 12; write_codecs[i]->frame.data = ((uint8_t *)write_codecs[i]->frame.packet) + 12;
write_codecs[i]->frame.packetlen = buflen; write_codecs[i]->frame.packetlen = buflen;
write_codecs[i]->frame.buflen = buflen - 12; write_codecs[i]->frame.buflen = buflen - 12;
if (conference->scale_h264_canvas_width > 0 && conference->scale_h264_canvas_height > 0 && !strcmp(check_codec->implementation->iananame, "H264")) {
int32_t bw = -1;
write_codecs[i]->fps_divisor = conference->scale_h264_canvas_fps_divisor;
write_codecs[i]->scaled_img = switch_img_alloc(NULL, SWITCH_IMG_FMT_I420, conference->scale_h264_canvas_width, conference->scale_h264_canvas_height, 16);
if (conference->scale_h264_canvas_bandwidth) {
if (strcasecmp(conference->scale_h264_canvas_bandwidth, "auto")) {
bw = switch_parse_bandwidth_string(conference->scale_h264_canvas_bandwidth);
}
}
if (bw == -1) {
float fps = conference->video_fps.fps;
if (write_codecs[i]->fps_divisor) fps /= write_codecs[i]->fps_divisor;
bw = switch_calc_bitrate(conference->scale_h264_canvas_width, conference->scale_h264_canvas_height, conference->video_quality, fps);
}
switch_core_codec_control(&write_codecs[i]->codec, SCC_VIDEO_BANDWIDTH, SCCT_INT, &bw, SCCT_NONE, NULL, NULL, NULL);
}
switch_set_flag((&write_codecs[i]->frame), SFF_RAW_RTP); switch_set_flag((&write_codecs[i]->frame), SFF_RAW_RTP);
} }
@ -2984,6 +3017,7 @@ pp conference_video_set_incoming_bitrate(imember, kps, SWITCH_TRUE);
for (i = 0; i < MAX_MUX_CODECS; i++) { for (i = 0; i < MAX_MUX_CODECS; i++) {
if (write_codecs[i] && switch_core_codec_ready(&write_codecs[i]->codec)) { if (write_codecs[i] && switch_core_codec_ready(&write_codecs[i]->codec)) {
switch_core_codec_destroy(&write_codecs[i]->codec); switch_core_codec_destroy(&write_codecs[i]->codec);
switch_img_free(&(write_codecs[i]->scaled_img));
} }
} }

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@ -2411,7 +2411,12 @@ conference_obj_t *conference_new(char *name, conference_xml_cfg_t cfg, switch_co
const char *force_rate = NULL, *force_interval = NULL, *force_channels = NULL, *presence_id = NULL; const char *force_rate = NULL, *force_interval = NULL, *force_channels = NULL, *presence_id = NULL;
uint32_t force_rate_i = 0, force_interval_i = 0, force_channels_i = 0, video_auto_floor_msec = 0; uint32_t force_rate_i = 0, force_interval_i = 0, force_channels_i = 0, video_auto_floor_msec = 0;
switch_event_t *event; switch_event_t *event;
int scale_h264_canvas_width = 0;
int scale_h264_canvas_height = 0;
int scale_h264_canvas_fps_divisor = 0;
char *scale_h264_canvas_bandwidth = NULL;
/* Validate the conference name */ /* Validate the conference name */
if (zstr(name)) { if (zstr(name)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid Record! no name.\n"); switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid Record! no name.\n");
@ -2720,6 +2725,28 @@ conference_obj_t *conference_new(char *name, conference_xml_cfg_t cfg, switch_co
} else { } else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "video-mode invalid, valid settings are 'passthrough', 'transcode' and 'mux'\n"); switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "video-mode invalid, valid settings are 'passthrough', 'transcode' and 'mux'\n");
} }
} else if (!strcasecmp(var, "scale-h264-canvas-size") && !zstr(val)) {
char *p;
if ((scale_h264_canvas_width = atoi(val))) {
if ((p = strchr(val, 'x'))) {
p++;
if (*p) {
scale_h264_canvas_height = atoi(p);
}
}
}
if (scale_h264_canvas_width < 320 || scale_h264_canvas_width < 180) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Invalid scale-h264-canvas-size, falling back to 320x180\n");
scale_h264_canvas_width = 320;
scale_h264_canvas_width = 180;
}
} else if (!strcasecmp(var, "scale-h264-canvas-fps-divisor") && !zstr(val)) {
scale_h264_canvas_fps_divisor = atoi(val);
if (scale_h264_canvas_fps_divisor < 0) scale_h264_canvas_fps_divisor = 0;
} else if (!strcasecmp(var, "scale-h264-canvas-bandwidth") && !zstr(val)) {
scale_h264_canvas_bandwidth = val;
} }
} }
@ -2783,6 +2810,11 @@ conference_obj_t *conference_new(char *name, conference_xml_cfg_t cfg, switch_co
conference->conference_video_mode = conference_video_mode; conference->conference_video_mode = conference_video_mode;
conference->scale_h264_canvas_width = scale_h264_canvas_width;
conference->scale_h264_canvas_height = scale_h264_canvas_height;
conference->scale_h264_canvas_fps_divisor = scale_h264_canvas_fps_divisor;
conference->scale_h264_canvas_bandwidth = switch_core_strdup(conference->pool, scale_h264_canvas_bandwidth);
if (!switch_core_has_video() && (conference->conference_video_mode == CONF_VIDEO_MODE_MUX || conference->conference_video_mode == CONF_VIDEO_MODE_TRANSCODE)) { if (!switch_core_has_video() && (conference->conference_video_mode == CONF_VIDEO_MODE_MUX || conference->conference_video_mode == CONF_VIDEO_MODE_TRANSCODE)) {
conference->conference_video_mode = CONF_VIDEO_MODE_PASSTHROUGH; conference->conference_video_mode = CONF_VIDEO_MODE_PASSTHROUGH;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "video-mode invalid, only valid setting is 'passthrough' due to no video capabilities\n"); switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "video-mode invalid, only valid setting is 'passthrough' due to no video capabilities\n");

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@ -663,6 +663,12 @@ typedef struct conference_obj {
video_layout_t *new_personal_vlayout; video_layout_t *new_personal_vlayout;
int max_bw_in; int max_bw_in;
int force_bw_in; int force_bw_in;
/* special use case, scalling shared h264 canvas*/
int scale_h264_canvas_width;
int scale_h264_canvas_height;
int scale_h264_canvas_fps_divisor;
char *scale_h264_canvas_bandwidth;
} conference_obj_t; } conference_obj_t;
/* Relationship with another member */ /* Relationship with another member */
@ -794,6 +800,9 @@ typedef struct codec_set_s {
switch_codec_t codec; switch_codec_t codec;
switch_frame_t frame; switch_frame_t frame;
uint8_t *packet; uint8_t *packet;
switch_image_t *scaled_img;
uint8_t fps_divisor;
uint32_t frame_count;
} codec_set_t; } codec_set_t;
typedef void (*conference_key_callback_t) (conference_member_t *, struct caller_control_actions *); typedef void (*conference_key_callback_t) (conference_member_t *, struct caller_control_actions *);

View File

@ -911,7 +911,6 @@ switch_status_t rtmp_session_request(rtmp_profile_t *profile, rtmp_session_t **n
{ {
char buf[1024]; char buf[1024];
#ifndef _WIN32 #ifndef _WIN32
#else
snprintf(buf, sizeof(buf), "/tmp/rtmp-%s-in.txt", (*newsession)->uuid); snprintf(buf, sizeof(buf), "/tmp/rtmp-%s-in.txt", (*newsession)->uuid);
(*newsession)->io_debug_in = fopen(buf, "w"); (*newsession)->io_debug_in = fopen(buf, "w");
snprintf(buf, sizeof(buf), "/tmp/rtmp-%s-out.txt", (*newsession)->uuid); snprintf(buf, sizeof(buf), "/tmp/rtmp-%s-out.txt", (*newsession)->uuid);

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@ -515,6 +515,7 @@ struct rtmp_session {
uint32_t media_streamid; /* < The stream id that was used for the last "play" command, uint32_t media_streamid; /* < The stream id that was used for the last "play" command,
where we should send media */ where we should send media */
switch_size_t dropped_video_frame; switch_size_t dropped_video_frame;
switch_queue_t *video_send_queue;
uint8_t media_debug; uint8_t media_debug;
}; };

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@ -41,6 +41,17 @@ typedef struct {
size_t len; size_t len;
} buffer_helper_t; } buffer_helper_t;
typedef struct {
uint8_t amfnumber;
uint32_t timestamp;
uint8_t type;
uint32_t stream_id;
switch_size_t len;
uint32_t flags;
unsigned char *message;
} video_send_buffer_t;
size_t my_buffer_read(void * out_buffer, size_t size, void * user_data) size_t my_buffer_read(void * out_buffer, size_t size, void * user_data)
{ {
buffer_helper_t *helper = (buffer_helper_t*)user_data; buffer_helper_t *helper = (buffer_helper_t*)user_data;
@ -561,8 +572,62 @@ switch_status_t rtmp_send_invoke_v(rtmp_session_t *rsession, uint8_t amfnumber,
return rtmp_send_message(rsession, amfnumber, timestamp, type, stream_id, buf, helper.pos, 0); return rtmp_send_message(rsession, amfnumber, timestamp, type, stream_id, buf, helper.pos, 0);
} }
static int flush_video_send_queue(rtmp_session_t *rsession, switch_bool_t lock)
{
video_send_buffer_t *b;
void *pop;
switch_queue_t *q = rsession->video_send_queue;
int x = 0;
if (!q) return 0;
if (lock) switch_mutex_lock(rsession->socket_mutex);
while (switch_queue_size(q) > 0 && switch_queue_trypop(q, &pop) == SWITCH_STATUS_SUCCESS && pop) {
b = (video_send_buffer_t *)pop;
free(b->message);
free(b);
x++;
}
if (lock) switch_mutex_unlock(rsession->socket_mutex);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Dropped %d Video Frames\n", x);
return x;
}
static void buffer_video_send(rtmp_session_t *rsession, uint8_t amfnumber, uint32_t timestamp, uint8_t type, uint32_t stream_id, const unsigned char *message, switch_size_t len, uint32_t flags)
{
video_send_buffer_t *vbuf;
switch_mutex_lock(rsession->socket_mutex);
if (!rsession->video_send_queue) {
switch_queue_create(&rsession->video_send_queue, 1000, rsession->pool);
}
if (*message == 0x17) {
flush_video_send_queue(rsession, SWITCH_FALSE);
}
vbuf = malloc(sizeof(video_send_buffer_t));
switch_assert(vbuf);
vbuf->amfnumber = amfnumber;
vbuf->timestamp = timestamp;
vbuf->type = type;
vbuf->stream_id = stream_id;
vbuf->len = len;
vbuf->flags = flags;
vbuf->message = malloc(len);
switch_assert(vbuf->message);
memcpy(vbuf->message, message, len);
switch_queue_push(rsession->video_send_queue, (void *)vbuf);
switch_mutex_unlock(rsession->socket_mutex);
}
/* Break message down into 128 bytes chunks, add the appropriate headers and send it out */ /* Break message down into 128 bytes chunks, add the appropriate headers and send it out */
switch_status_t rtmp_send_message(rtmp_session_t *rsession, uint8_t amfnumber, uint32_t timestamp, uint8_t type, uint32_t stream_id, const unsigned char *message, switch_size_t len, uint32_t flags) switch_status_t _rtmp_send_message(rtmp_session_t *rsession, uint8_t amfnumber, uint32_t timestamp, uint8_t type, uint32_t stream_id, const unsigned char *message, switch_size_t len, uint32_t flags)
{ {
switch_size_t pos = 0; switch_size_t pos = 0;
uint8_t header[12] = { amfnumber & 0x3F, INT24(0), INT24(len), type, INT32_LE(stream_id) }; uint8_t header[12] = { amfnumber & 0x3F, INT24(0), INT24(len), type, INT32_LE(stream_id) };
@ -575,52 +640,6 @@ switch_status_t rtmp_send_message(rtmp_session_t *rsession, uint8_t amfnumber, u
// switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "%d send_ack=%d send=%d window=%d wait_ack=%d\n", // switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "%d send_ack=%d send=%d window=%d wait_ack=%d\n",
// type, rsession->send_ack, rsession->send, rsession->send_ack_window, rsession->send + 3073 - rsession->send_ack); // type, rsession->send_ack, rsession->send, rsession->send_ack_window, rsession->send + 3073 - rsession->send_ack);
if (type == RTMP_TYPE_VIDEO) {
uint32_t window = rsession->send_ack_window;
if (rsession->media_debug & RTMP_MD_VIDEO_WRITE) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "W V ts:%u data:0x%02x len:%" SWITCH_SIZE_T_FMT "\n", timestamp, *message, len);
}
/* start to drop video frame on window/2 if the frame is a non-IDR video frame
start to drop video frame on window * 3/4 if the frame is a IDR frame
start to drop audio frame on widnow full
*/
if (*message == 0x17) {
window = window / 4 * 3;
} else {
window /= 2;
}
if ((rsession->send_ack + window) < (rsession->send + 3073)) {
/* We're sending too fast, drop the frame */
rsession->dropped_video_frame++;
switch_log_printf(SWITCH_CHANNEL_UUID_LOG(rsession->uuid), SWITCH_LOG_DEBUG,
"DROP VIDEO FRAME [amfnumber=%d type=0x%x stream_id=0x%x ftype=0x%x] len=%"SWITCH_SIZE_T_FMT
" dropped=%"SWITCH_SIZE_T_FMT"\n",
amfnumber, type, stream_id, *message, len, rsession->dropped_video_frame);
return SWITCH_STATUS_SUCCESS;
}
if (rsession->dropped_video_frame) {
if (*message != 0x17) {
rsession->dropped_video_frame++;
switch_log_printf(SWITCH_CHANNEL_UUID_LOG(rsession->uuid), SWITCH_LOG_DEBUG,
"DROP VIDEO FRAME [amfnumber=%d type=0x%x stream_id=0x%x ftype=0x%x] len=%"SWITCH_SIZE_T_FMT
" dropped=%"SWITCH_SIZE_T_FMT" waiting for the next IDR\n",
amfnumber, type, stream_id, *message, len, rsession->dropped_video_frame);
return SWITCH_STATUS_SUCCESS;
} else {
switch_log_printf(SWITCH_CHANNEL_UUID_LOG(rsession->uuid), SWITCH_LOG_INFO,
"Got IDR frame after %"SWITCH_SIZE_T_FMT" frame(s) dropped\n",
rsession->dropped_video_frame);
rsession->dropped_video_frame = 0;
}
}
}
if (type == RTMP_TYPE_AUDIO && (rsession->media_debug & RTMP_MD_AUDIO_WRITE)) { if (type == RTMP_TYPE_AUDIO && (rsession->media_debug & RTMP_MD_AUDIO_WRITE)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "W A ts:%u data:0x%02x len:%" SWITCH_SIZE_T_FMT "\n", timestamp, *message, len); switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "W A ts:%u data:0x%02x len:%" SWITCH_SIZE_T_FMT "\n", timestamp, *message, len);
} }
@ -696,6 +715,8 @@ switch_status_t rtmp_send_message(rtmp_session_t *rsession, uint8_t amfnumber, u
header[3] = timestamp & 0xFF; header[3] = timestamp & 0xFF;
} }
// switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "=== send type: %d ts: %d bytes: %zu\n", type, timestamp, len);
state->ts = timestamp; state->ts = timestamp;
state->type = type; state->type = type;
state->origlen = len; state->origlen = len;
@ -740,6 +761,79 @@ end:
return status; return status;
} }
switch_status_t rtmp_send_message(rtmp_session_t *rsession, uint8_t amfnumber, uint32_t timestamp, uint8_t type, uint32_t stream_id, const unsigned char *message, switch_size_t len, uint32_t flags)
{
switch_status_t status = SWITCH_STATUS_SUCCESS;
int window = rsession->send_ack_window;
// switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "%d send_ack=%d send=%d window=%d wait_ack=%d\n",
// type, rsession->send_ack, rsession->send, rsession->send_ack_window, rsession->send + 3073 - rsession->send_ack);
if (type != RTMP_TYPE_VIDEO) {
return _rtmp_send_message(rsession, amfnumber, timestamp, type, stream_id, message, len, flags);
}
if (rsession->media_debug & RTMP_MD_VIDEO_WRITE) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "W V ts:%u data:0x%02x len:%" SWITCH_SIZE_T_FMT "\n", timestamp, *message, len);
}
window = window / 4 * 3;
// window = 65000;
if ((rsession->send_ack + window) < (rsession->send + 3073)) {
buffer_video_send(rsession, amfnumber, timestamp, type, stream_id, message, len, flags);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "queued %zu bytes, ts: %d, queue size:%d\n", len, timestamp, switch_queue_size(rsession->video_send_queue));
return SWITCH_STATUS_SUCCESS;
}
if (rsession->video_send_queue && switch_queue_size(rsession->video_send_queue)) {
if (*message == 0x17) { // key frame
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Got a key frame, flush video queue %d\n", switch_queue_size(rsession->video_send_queue));
flush_video_send_queue(rsession, SWITCH_TRUE);
return _rtmp_send_message(rsession, amfnumber, timestamp, type, stream_id, message, len, flags);
} else {
int x = 0;
void *pop = NULL;
buffer_video_send(rsession, amfnumber, timestamp, type, stream_id, message, len, flags);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "queued %zu bytes, ts: %d, queue size:%d\n", len, timestamp, switch_queue_size(rsession->video_send_queue));
again:
switch_mutex_lock(rsession->socket_mutex);
switch_queue_trypop(rsession->video_send_queue, &pop);
switch_mutex_unlock(rsession->socket_mutex);
if (pop) {
video_send_buffer_t *vbuf = (video_send_buffer_t *)pop;
amfnumber = vbuf->amfnumber;
// timestamp = vbuf->timestamp;
type = vbuf->type;
stream_id = vbuf->stream_id;
len = vbuf->len;
flags = vbuf->flags;
message = vbuf->message;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "pop len: %zu, ts: %d, queue size: %d\n", len, timestamp, switch_queue_size(rsession->video_send_queue));
status = _rtmp_send_message(rsession, amfnumber, timestamp, type, stream_id, message, len, flags);
free(vbuf->message);
free(vbuf);
if (status == SWITCH_STATUS_SUCCESS && ((rsession->send_ack + window) >= (rsession->send + 3073) && (++x < 3))) {
pop = NULL;
goto again;
}
}
}
} else {
return _rtmp_send_message(rsession, amfnumber, timestamp, type, stream_id, message, len, flags);
}
return status;
}
/* Returns SWITCH_STATUS_SUCCESS of the connection is still active or SWITCH_STATUS_FALSE to tear it down */ /* Returns SWITCH_STATUS_SUCCESS of the connection is still active or SWITCH_STATUS_FALSE to tear it down */
switch_status_t rtmp_handle_data(rtmp_session_t *rsession) switch_status_t rtmp_handle_data(rtmp_session_t *rsession)
{ {

View File

@ -301,6 +301,10 @@ switch_status_t rtmp_tcp_init(rtmp_profile_t *profile, const char *bindaddr, rtm
if (switch_socket_opt_set(io_tcp->listen_socket, SWITCH_SO_TCP_NODELAY, 1)) { if (switch_socket_opt_set(io_tcp->listen_socket, SWITCH_SO_TCP_NODELAY, 1)) {
goto fail; goto fail;
} }
if (1) {
switch_socket_opt_set(io_tcp->listen_socket, SWITCH_SO_RCVBUF, 1572864);
switch_socket_opt_set(io_tcp->listen_socket, SWITCH_SO_SNDBUF, 1572864);
}
if (switch_socket_bind(io_tcp->listen_socket, sa)) { if (switch_socket_bind(io_tcp->listen_socket, sa)) {
goto fail; goto fail;
} }

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@ -583,7 +583,7 @@ switch_status_t rtmp_write_video_frame(switch_core_session_t *session, switch_fr
rtmp_rtp2rtmpH264(helper, frame); rtmp_rtp2rtmpH264(helper, frame);
if (helper->send) { if (helper->send) {
uint16_t used = switch_buffer_inuse(helper->rtmp_buf); uint32_t used = switch_buffer_inuse(helper->rtmp_buf);
const void *rtmp_data = NULL; const void *rtmp_data = NULL;
switch_buffer_peek_zerocopy(helper->rtmp_buf, &rtmp_data); switch_buffer_peek_zerocopy(helper->rtmp_buf, &rtmp_data);
@ -633,6 +633,11 @@ switch_status_t rtmp_write_video_frame(switch_core_session_t *session, switch_fr
switch_core_session_rwunlock(other_session); switch_core_session_rwunlock(other_session);
} }
} }
if (rsession->video_send_queue && switch_queue_size(rsession->video_send_queue) > 30) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Need a key frame\n");
switch_channel_set_flag(channel, CF_VIDEO_REFRESH_REQ);
}
skip: skip:
switch_buffer_zero(helper->rtmp_buf); switch_buffer_zero(helper->rtmp_buf);
switch_buffer_zero(helper->fua_buf); switch_buffer_zero(helper->fua_buf);