static void mls_set_frame_rate_or_disable(void* data, const Rational* frameRate)
{
MultipleMediaSources* multSource = (MultipleMediaSources*)data;
MediaSourceElement* ele = &multSource->sources;
int i;
while (ele != NULL && ele->source != NULL)
{
msc_set_frame_rate_or_disable(ele->source, frameRate);
/* recalculate disabledStreamCount */
ele->disabledStreamCount = 0;
for (i = 0; i < ele->numStreams; i++)
{
if (msc_stream_is_disabled(ele->source, i))
{
ele->disabledStreamCount++;
}
}
ele = ele->next;
}
multSource->maxLength = convert_length(multSource->maxLength, &multSource->maxLengthFrameRate, frameRate);
multSource->maxLengthFrameRate = *frameRate;
}
static int append_source(MediaSourceList* sourceList, MediaSource** source)
{
MediaSourceElement* ele = sourceList;
MediaSourceElement* newEle = NULL;
int i;
/* handle first appended source */
if (ele->source == NULL)
{
ele->source = *source;
ele->numStreams = msc_get_num_streams(*source);
*source = NULL;
return 1;
}
/* move to end */
while (ele->next != NULL)
{
ele = ele->next;
}
/* create element */
if ((newEle = (MediaSourceElement*)malloc(sizeof(MediaSourceElement))) == NULL)
{
ml_log_error("Failed to allocate memory\n");
return 0;
}
memset(newEle, 0, sizeof(MediaSourceElement));
/* append source and take ownership */
ele->next = newEle;
newEle->source = *source;
/* get num streams and disabled count */
newEle->numStreams = msc_get_num_streams(*source);
newEle->disabledStreamCount = 0;
for (i = 0; i < newEle->numStreams; i++)
{
if (msc_stream_is_disabled(newEle->source, i))
{
newEle->disabledStreamCount++;
}
}
*source = NULL;
return 1;
}
static int mls_stream_is_disabled(void* data, int streamIndex)
{
MultipleMediaSources* multSource = (MultipleMediaSources*)data;
MediaSourceElement* ele = &multSource->sources;
int maxIndex = 0;
int minIndex = 0;
while (ele != NULL && ele->source != NULL)
{
maxIndex += ele->numStreams;
if (streamIndex < maxIndex)
{
return msc_stream_is_disabled(ele->source, streamIndex - minIndex);
}
minIndex = maxIndex;
ele = ele->next;
}
return 0;
}
static int cps_stream_is_disabled(void* data, int streamIndex)
{
ClipSource* clipSource = (ClipSource*)data;
return msc_stream_is_disabled(clipSource->targetSource, streamIndex);
}
