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FS-7861, FS-7862: [mod_conference] fix crash and other issues caused by multi canvas feature

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This commit is contained in:
Brian West
2015-07-21 15:43:06 -05:00
parent 8b10cd3d00
commit 02539c6c4f
6 changed files with 110 additions and 25 deletions
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src/mod/applications/mod_conference/conference_api.c
+15 -25
View File
@@ -488,11 +488,11 @@ switch_status_t conference_api_sub_unvmute(conference_member_t *member, switch_s
return SWITCH_STATUS_SUCCESS;
}
if (member->conference->canvas) {
switch_mutex_lock(member->conference->canvas->mutex);
layer = &member->conference->canvas->layers[member->video_layer_id];
layer = conference_video_get_layer_locked(member);
if (layer) {
conference_video_clear_layer(layer);
switch_mutex_unlock(member->conference->canvas->mutex);
conference_video_release_layer(&layer);
}
conference_utils_member_set_flag_locked(member, MFLAG_CAN_BE_SEEN);
@@ -1419,14 +1419,13 @@ switch_status_t conference_api_sub_vid_mute_img(conference_member_t *member, swi
return SWITCH_STATUS_FALSE;
}
switch_mutex_lock(layer->canvas->mutex);
layer = conference_video_get_layer_locked(member);
if (member->video_layer_id == -1 || !layer->canvas) {
if (!layer) {
goto end;
}
member->video_mute_png = NULL;
layer = &layer->canvas->layers[member->video_layer_id];
if (text) {
switch_img_free(&layer->mute_img);
@@ -1436,11 +1435,11 @@ switch_status_t conference_api_sub_vid_mute_img(conference_member_t *member, swi
member->video_mute_png = switch_core_strdup(member->pool, text);
}
end:
end:
stream->write_function(stream, "%s\n", member->video_mute_png ? member->video_mute_png : "_undef_");
switch_mutex_unlock(layer->canvas->mutex);
conference_video_release_layer(&layer);
return SWITCH_STATUS_SUCCESS;
@@ -1459,16 +1458,12 @@ switch_status_t conference_api_sub_vid_logo_img(conference_member_t *member, swi
return SWITCH_STATUS_FALSE;
}
if (member->video_layer_id == -1 || !member->conference->canvas) {
layer = conference_video_get_layer_locked(member);
if (!layer) {
goto end;
}
layer = &member->conference->canvas->layers[member->video_layer_id];
switch_mutex_lock(layer->canvas->mutex);
if (strcasecmp(text, "clear")) {
member->video_logo = switch_core_strdup(member->pool, text);
}
@@ -1479,7 +1474,7 @@ switch_status_t conference_api_sub_vid_logo_img(conference_member_t *member, swi
stream->write_function(stream, "+OK\n");
switch_mutex_unlock(layer->canvas->mutex);
conference_video_release_layer(&layer);
return SWITCH_STATUS_SUCCESS;
@@ -1488,7 +1483,6 @@ switch_status_t conference_api_sub_vid_logo_img(conference_member_t *member, swi
switch_status_t conference_api_sub_vid_res_id(conference_member_t *member, switch_stream_handle_t *stream, void *data)
{
char *text = (char *) data;
//mcu_layer_t *layer = NULL;
if (member == NULL)
return SWITCH_STATUS_GENERR;
@@ -1509,8 +1503,6 @@ switch_status_t conference_api_sub_vid_res_id(conference_member_t *member, switc
switch_mutex_lock(member->conference->canvas->mutex);
//layer = &member->conference->canvas->layers[member->video_layer_id];
if (!strcasecmp(text, "clear") || (member->video_reservation_id && !strcasecmp(text, member->video_reservation_id))) {
member->video_reservation_id = NULL;
stream->write_function(stream, "+OK reservation_id cleared\n");
@@ -1542,9 +1534,9 @@ switch_status_t conference_api_sub_vid_banner(conference_member_t *member, switc
return SWITCH_STATUS_SUCCESS;
}
switch_mutex_lock(member->conference->mutex);
layer = conference_video_get_layer_locked(member);
if (member->video_layer_id == -1 || !member->conference->canvas) {
if (!layer) {
stream->write_function(stream, "Channel %s is not in a video layer\n", switch_channel_get_name(member->channel));
goto end;
}
@@ -1554,8 +1546,6 @@ switch_status_t conference_api_sub_vid_banner(conference_member_t *member, switc
goto end;
}
layer = &member->conference->canvas->layers[member->video_layer_id];
member->video_banner_text = switch_core_strdup(member->pool, text);
conference_video_layer_set_banner(member, layer, NULL);
@@ -1564,7 +1554,7 @@ switch_status_t conference_api_sub_vid_banner(conference_member_t *member, switc
end:
switch_mutex_unlock(member->conference->mutex);
conference_video_release_layer(&layer);
return SWITCH_STATUS_SUCCESS;
}
src/mod/applications/mod_conference/conference_video.c
+51
View File
@@ -521,6 +521,57 @@ void conference_video_check_used_layers(mcu_canvas_t *canvas)
}
}
mcu_layer_t *conference_video_get_layer_locked(conference_member_t *member)
{
mcu_layer_t *layer = NULL;
mcu_canvas_t *canvas = NULL;
if (!member || member->canvas_id < 0 || member->video_layer_id < 0) return NULL;
switch_mutex_lock(member->conference->canvas_mutex);
canvas = member->conference->canvases[member->canvas_id];
if (!canvas) {
goto end;
}
switch_mutex_lock(canvas->mutex);
layer = &canvas->layers[member->video_layer_id];
if (!layer) {
switch_mutex_unlock(canvas->mutex);
}
end:
if (!layer) {
switch_mutex_unlock(member->conference->canvas_mutex);
}
return layer;
}
void conference_video_release_layer(mcu_layer_t **layer)
{
mcu_canvas_t *canvas = NULL;
if (!layer || !*layer) return;
canvas = (*layer)->canvas;
if (!canvas) return;
switch_mutex_unlock(canvas->mutex);
switch_assert(canvas->conference);
switch_mutex_unlock(canvas->conference->canvas_mutex);
*layer = NULL;
}
void conference_video_detach_video_layer(conference_member_t *member)
{
mcu_layer_t *layer = NULL;
src/mod/applications/mod_conference/mod_conference.h
+3
View File
@@ -866,6 +866,9 @@ void conference_utils_clear_flag(conference_obj_t *conference, conference_flag_t
void conference_utils_clear_flag_locked(conference_obj_t *conference, conference_flag_t flag);
switch_status_t conference_loop_dmachine_dispatcher(switch_ivr_dmachine_match_t *match);
mcu_layer_t *conference_video_get_layer_locked(conference_member_t *member);
void conference_video_release_layer(mcu_layer_t **layer);
int conference_member_setup_media(conference_member_t *member, conference_obj_t *conference);
al_handle_t *conference_al_create(switch_memory_pool_t *pool);