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Fix compiler warnings for VS2010 /W4 in nal.c.

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- Working towards issue #11.
- Removed todo about luma margin. The code should work even with margin.
This commit is contained in:
Ari Koivula 2014-02-10 17:07:22 +02:00
parent e66fe65f8b
commit e0cf09bc6b
1 changed files with 7 additions and 5 deletions
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12
src/nal.c
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@ -48,6 +48,10 @@ void nal_write(FILE *output, uint8_t *buffer, uint32_t buffer_len,
const uint8_t start_code_prefix_one_3bytes = 0x01;
const uint8_t zero = 0x00;
// This parameter might not be needed, but I'm not going to remove it
// right away.
UNREFERENCED_PARAMETER(nal_ref);
// zero_byte (0x00) shall be present in the byte stream NALU of VPS, SPS
// and PPS, or the first NALU of an access unit
if(long_start_code)
@ -104,17 +108,16 @@ static void array_checksum(const pixel* data,
const int stride,
unsigned char checksum_out[SEI_HASH_MAX_LENGTH])
{
unsigned char mask;
unsigned int checksum = 0;
uint8_t mask;
uint32_t checksum = 0;
int y, x;
assert(SEI_HASH_MAX_LENGTH >= 4);
for (y = 0; y < height; ++y) {
for (x = 0; x < width; ++x) {
mask = (x & 0xff) ^ (y & 0xff) ^ (x >> 8) ^ (y >> 8);
mask = (uint8_t)((x & 0xff) ^ (y & 0xff) ^ (x >> 8) ^ (y >> 8));
checksum += (data[(y * stride) + x] & 0xff) ^ mask;
checksum &= 0xffffffff;
}
}
@ -134,7 +137,6 @@ static void array_checksum(const pixel* data,
*/
void picture_checksum(const picture* pic, unsigned char checksum_out[][SEI_HASH_MAX_LENGTH])
{
int stride = pic->width; /* TODO: != width, if there is a luma margin. */
array_checksum(pic->y_recdata, pic->height, pic->width, pic->width, checksum_out[0]);
/* The number of chroma pixels is half that of luma. */