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FS-9881: [core] FS crashing when playing png file #resolve

This commit is contained in:
Anthony Minessale 2017-01-03 15:24:15 -06:00
parent 20697cf0bd
commit 6dc2d9feca
1 changed files with 39 additions and 15 deletions
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54
src/mod/formats/mod_png/mod_png.c
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@ -50,6 +50,7 @@ struct png_file_context {
int max;
int samples;
switch_file_handle_t *audio_fh;
switch_mutex_t *mutex;
int done;
};
@ -81,6 +82,7 @@ static switch_status_t png_file_open(switch_file_handle_t *handle, const char *p
memset(context, 0, sizeof(png_file_context_t));
context->max = 10000;
switch_mutex_init(&context->mutex, SWITCH_MUTEX_NESTED, handle->memory_pool);
if (handle->params) {
const char *audio_file = switch_event_get_header(handle->params, "audio_file");
@ -141,11 +143,14 @@ static switch_status_t png_file_close(switch_file_handle_t *handle)
{
png_file_context_t *context = (png_file_context_t *)handle->private_info;
switch_mutex_lock(context->mutex);
context->done = 1;
switch_img_free(&context->img);
if (context->audio_fh) switch_core_file_close(context->audio_fh);
context->done = 1;
switch_mutex_unlock(context->mutex);
return SWITCH_STATUS_SUCCESS;
}
@ -154,17 +159,22 @@ static switch_status_t png_file_read(switch_file_handle_t *handle, void *data, s
{
png_file_context_t *context = (png_file_context_t *)handle->private_info;
switch_status_t status = SWITCH_STATUS_SUCCESS;
switch_mutex_lock(context->mutex);
if (context->done) {
return SWITCH_STATUS_FALSE;
switch_goto_status(SWITCH_STATUS_FALSE, end);
}
if (context->audio_fh) {
return switch_core_file_read(context->audio_fh, data, len);
status = switch_core_file_read(context->audio_fh, data, len);
switch_goto_status(status, end);
}
if (!context->img || !context->samples) {
return SWITCH_STATUS_FALSE;
status = SWITCH_STATUS_FALSE;
switch_goto_status(status, end);
}
if (context->samples > 0) {
@ -175,31 +185,39 @@ static switch_status_t png_file_read(switch_file_handle_t *handle, void *data, s
context->samples -= *len;
}
if (!context->samples) {
return SWITCH_STATUS_FALSE;
if (context->samples <= 0) {
context->done = 1;
status = SWITCH_STATUS_FALSE;
switch_goto_status(status, end);
}
memset(data, 0, *len * 2 * handle->channels);
return SWITCH_STATUS_SUCCESS;
}
end:
switch_mutex_unlock(context->mutex);
return status;
}
static switch_status_t png_file_read_video(switch_file_handle_t *handle, switch_frame_t *frame, switch_video_read_flag_t flags)
{
png_file_context_t *context = (png_file_context_t *)handle->private_info;
switch_image_t *dup = NULL;
int have_frame = 0;
switch_status_t status = SWITCH_STATUS_SUCCESS;
switch_mutex_lock(context->mutex);
if (context->done) {
return SWITCH_STATUS_FALSE;
switch_goto_status(SWITCH_STATUS_FALSE, end);
}
if ((flags & SVR_CHECK)) {
return SWITCH_STATUS_BREAK;
switch_goto_status(SWITCH_STATUS_BREAK, end);
}
if (!context->img || !context->samples) {
return SWITCH_STATUS_FALSE;
switch_goto_status(SWITCH_STATUS_FALSE, end);
}
if ((flags && SVR_BLOCK)) {
@ -213,10 +231,16 @@ static switch_status_t png_file_read_video(switch_file_handle_t *handle, switch_
switch_img_copy(context->img, &dup);
frame->img = dup;
context->sent++;
return SWITCH_STATUS_SUCCESS;
status = SWITCH_STATUS_SUCCESS;
} else {
return SWITCH_STATUS_BREAK;
status = SWITCH_STATUS_BREAK;
}
end:
switch_mutex_unlock(context->mutex);
return status;
}
typedef struct {