} RpzaContext;
-#define BE_16(x) ((((uint8_t*)(x))[0] << 8) | ((uint8_t*)(x))[1])
-#define BE_32(x) ((((uint8_t*)(x))[0] << 24) | \
- (((uint8_t*)(x))[1] << 16) | \
- (((uint8_t*)(x))[2] << 8) | \
- ((uint8_t*)(x))[3])
-
#define ADVANCE_BLOCK() \
{ \
pixel_ptr += 4; \
chunk_size = s->size;
/* Number of 4x4 blocks in frame. */
- total_blocks = (s->avctx->width * s->avctx->height) / (4 * 4);
+ total_blocks = ((s->avctx->width + 3) / 4) * ((s->avctx->height + 3) / 4);
/* Process chunk data */
while (stream_ptr < chunk_size) {
{
RpzaContext *s = (RpzaContext *)avctx->priv_data;
- /* no supplementary picture */
- if (buf_size == 0)
- return 0;
-
s->buf = buf;
s->size = buf_size;