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Adding write_le16 and write_le32 functions.

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Change-Id: I7057ed8e2a13a3c5367e2923eb4b3260bd7cf546
This commit is contained in:
Dmitry Kovalev 2013-04-16 16:26:25 -07:00
parent 5953a98631
commit 0be8082be1
1 changed files with 24 additions and 41 deletions
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65
vp9/encoder/vp9_bitstream.c
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@ -78,6 +78,18 @@ int count_mb_seg[4] = { 0, 0, 0, 0 };
#define SEARCH_NEWP #define SEARCH_NEWP
static int update_bits[255]; static int update_bits[255];
static INLINE void write_le16(uint8_t *p, int value) {
p[0] = value;
p[1] = value >> 8;
}
static INLINE void write_le32(uint8_t *p, int value) {
p[0] = value;
p[1] = value >> 8;
p[2] = value >> 16;
p[3] = value >> 24;
}
static void compute_update_table() { static void compute_update_table() {
int i; int i;
for (i = 0; i < 255; i++) for (i = 0; i < 255; i++)
@ -508,18 +520,6 @@ static void pack_mb_tokens(vp9_writer* const bc,
*tp = p; *tp = p;
} }
static void write_partition_size(unsigned char *cx_data, int size) {
signed char csize;
csize = size & 0xff;
*cx_data = csize;
csize = (size >> 8) & 0xff;
*(cx_data + 1) = csize;
csize = (size >> 16) & 0xff;
*(cx_data + 2) = csize;
}
static void write_mv_ref static void write_mv_ref
( (
vp9_writer *bc, MB_PREDICTION_MODE m, const vp9_prob *p vp9_writer *bc, MB_PREDICTION_MODE m, const vp9_prob *p
@ -2358,33 +2358,19 @@ void vp9_pack_bitstream(VP9_COMP *cpi, unsigned char *dest,
extra_bytes_packed = 3; extra_bytes_packed = 3;
cx_data += extra_bytes_packed; cx_data += extra_bytes_packed;
} }
{
int v;
if (pc->width != pc->display_width || pc->height != pc->display_height) { if (pc->width != pc->display_width || pc->height != pc->display_height) {
v = pc->display_width; write_le16(cx_data, pc->display_width);
cx_data[0] = v; write_le16(cx_data + 2, pc->display_height);
cx_data[1] = v >> 8;
v = pc->display_height;
cx_data[2] = v;
cx_data[3] = v >> 8;
cx_data += 4;
extra_bytes_packed += 4;
}
v = pc->width;
cx_data[0] = v;
cx_data[1] = v >> 8;
v = pc->height;
cx_data[2] = v;
cx_data[3] = v >> 8;
extra_bytes_packed += 4;
cx_data += 4; cx_data += 4;
extra_bytes_packed += 4;
} }
write_le16(cx_data, pc->width);
write_le16(cx_data + 2, pc->height);
extra_bytes_packed += 4;
cx_data += 4;
vp9_start_encode(&header_bc, cx_data); vp9_start_encode(&header_bc, cx_data);
// TODO(jkoleszar): remove these two unused bits? // TODO(jkoleszar): remove these two unused bits?
@ -2419,7 +2405,7 @@ void vp9_pack_bitstream(VP9_COMP *cpi, unsigned char *dest,
} }
// Write out the chosen coding method. // Write out the chosen coding method.
vp9_write_bit(&header_bc, (pc->temporal_update) ? 1 : 0); vp9_write_bit(&header_bc, pc->temporal_update);
if (pc->temporal_update) { if (pc->temporal_update) {
for (i = 0; i < PREDICTION_PROBS; i++) { for (i = 0; i < PREDICTION_PROBS; i++) {
const int prob = pc->segment_pred_probs[i]; const int prob = pc->segment_pred_probs[i];
@ -2961,11 +2947,8 @@ void vp9_pack_bitstream(VP9_COMP *cpi, unsigned char *dest,
write_modes(cpi, &residual_bc, &tok[tile_col], tok_end); write_modes(cpi, &residual_bc, &tok[tile_col], tok_end);
vp9_stop_encode(&residual_bc); vp9_stop_encode(&residual_bc);
if (tile_col < pc->tile_columns - 1 || tile_row < pc->tile_rows - 1) { if (tile_col < pc->tile_columns - 1 || tile_row < pc->tile_rows - 1) {
/* size of this tile */ // size of this tile
data_ptr[total_size + 0] = residual_bc.pos; write_le32(data_ptr + total_size, residual_bc.pos);
data_ptr[total_size + 1] = residual_bc.pos >> 8;
data_ptr[total_size + 2] = residual_bc.pos >> 16;
data_ptr[total_size + 3] = residual_bc.pos >> 24;
total_size += 4; total_size += 4;
} }