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FS-10472: [mod_conference] Invalid free in personal canvas mode

This commit is contained in:
Anthony Minessale 2017-07-10 19:48:14 -05:00
parent 44021b1c61
commit 2ee8d58d72
1 changed files with 26 additions and 14 deletions
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40
src/switch_core_media.c
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@ -638,7 +638,9 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_get_vid_params(switch_core_ses
return SWITCH_STATUS_FALSE;
}
switch_mutex_lock(smh->control_mutex);
*vid_params = smh->vid_params;
switch_mutex_unlock(smh->control_mutex);
return SWITCH_STATUS_SUCCESS;
}
@ -13976,14 +13978,19 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_write_video_frame(switch_cor
}
/* When desired, scale video to match the input signal (if output is bigger) */
if (switch_channel_test_flag(session->channel, CF_VIDEO_READY) && smh->vid_params.width &&
switch_channel_test_flag(session->channel, CF_VIDEO_MIRROR_INPUT) &&
((smh->vid_params.width != img->d_w) || (smh->vid_params.height != img->d_h))) {
/* When desired, scale video to match the input signal (if output is bigger) */
if (switch_channel_test_flag(session->channel, CF_VIDEO_READY) &&
switch_channel_test_flag(session->channel, CF_VIDEO_MIRROR_INPUT)) {
switch_vid_params_t vid_params = { 0 };
switch_img_letterbox(img, &dup_img, smh->vid_params.width, smh->vid_params.height, "#000000f");
switch_core_media_get_vid_params(session, &vid_params);
img = dup_img;
if (vid_params.width && vid_params.height && ((vid_params.width != img->d_w) || (vid_params.height != img->d_h))) {
switch_img_letterbox(img, &dup_img, vid_params.width, vid_params.height, "#000000f");
if (!(img = dup_img)) {
return SWITCH_STATUS_INUSE;
}
}
}
if (!switch_channel_test_flag(session->channel, CF_VIDEO_WRITING)) {
@ -14314,15 +14321,20 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_read_video_frame(switch_core
}
if ((*frame)->img && (*frame)->img->d_w && (*frame)->img->d_h) {
int new_w = 0, new_h = 0;
if ((*frame)->img->d_w != smh->vid_params.width || (*frame)->img->d_h != smh->vid_params.height) {
new_w = (*frame)->img->d_w;
new_h = (*frame)->img->d_h;
if ((*frame)->img->d_w != smh->vid_params.width) {
switch_channel_set_variable_printf(session->channel, "video_width", "%d", (*frame)->img->d_w);
smh->vid_params.width = (*frame)->img->d_w;
}
if ((*frame)->img->d_h != smh->vid_params.height) {
switch_channel_set_variable_printf(session->channel, "video_height", "%d", (*frame)->img->d_h);
smh->vid_params.height = (*frame)->img->d_h;
if (new_w && new_h) {
switch_mutex_lock(smh->control_mutex);
smh->vid_params.width = new_w;
smh->vid_params.height = new_h;
switch_channel_set_variable_printf(session->channel, "video_width", "%d", new_w);
switch_channel_set_variable_printf(session->channel, "video_height", "%d", new_h);
switch_mutex_unlock(smh->control_mutex);
}
}
}