/*!
* \param *dc The DecodingContext containing macroblock array we want to freed.
*
* This function free **mb_array, which is an array of pointers to macroblock elements.
* mb_array is in a DecodingContext structure. There can only be one mb_array at a time.
* Please note that in order to avoid memory leak, this function begin by calling freeMbArrayContent().
*/
void freeMbArray(DecodingContext_t *dc)
{
if (dc->mb_array != NULL)
{
freeMbArrayContent(dc);
free(dc->mb_array);
dc->mb_array = NULL;
TRACE_1(MB, ">> mb_array freed\n");
}
}
/*!
* \param *dc The current DecodingContext.
* \return 0 if slice allocation fail, 1 otherwise.
*/
int decode_slice(DecodingContext_t *dc)
{
TRACE_INFO(SLICE, "> " BLD_GREEN "decodeSlice()\n" CLR_RESET);
int retcode = SUCCESS;
// New slice allocation
dc->active_slice = (slice_t*)calloc(1, sizeof(slice_t));
if (dc->active_slice == NULL)
{
TRACE_ERROR(SLICE, "Unable to alloc new Slice!\n");
retcode = FAILURE;
}
else
{
// First, check for valid SPS and PPS
retcode = checkDecodingContext(dc);
// Slice header
if (retcode == SUCCESS)
{
retcode = decodeSliceHeader(dc, dc->active_slice);
printSliceHeader(dc);
}
// Slice datas
if (retcode == SUCCESS)
{
retcode = decodeSliceData(dc, dc->active_slice);
}
// Export IDR slice
if (retcode == SUCCESS && dc->IdrPicFlag == true)
{
retcode = export_idr(dc);
}
// Free macroblocks in **mb_array
freeMbArrayContent(dc);
// Free slice
free_slice(&dc->active_slice);
}
return retcode;
}