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save some copies by moving some fields out of proba[2]

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Originally committed as revision 24557 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Pascal Massimino 2010-07-27 22:21:49 +00:00
parent 46bbf39576
commit e7e81959d6
1 changed files with 12 additions and 12 deletions
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24
libavcodec/vp8.c
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@ -123,6 +123,10 @@ typedef struct {
int segment; ///< segment of the current macroblock
int mbskip_enabled;
uint8_t mbskip_proba;
uint8_t intra_proba;
uint8_t last_proba;
uint8_t golden_proba;
int sign_bias[4]; ///< one state [0, 1] per ref frame type
int ref_count[3];
@ -188,10 +192,6 @@ typedef struct {
*/
struct {
uint8_t segmentid[3];
uint8_t mbskip;
uint8_t intra;
uint8_t last;
uint8_t golden;
uint8_t pred16x16[4];
uint8_t pred8x8c[3];
uint8_t token[4][8][3][NUM_DCT_TOKENS-1];
@ -499,12 +499,12 @@ static int decode_frame_header(VP8Context *s, const uint8_t *buf, int buf_size)
s->prob->token[i][j][k][l] = vp8_rac_get_uint(c, 8);
if ((s->mbskip_enabled = vp8_rac_get(c)))
s->prob->mbskip = vp8_rac_get_uint(c, 8);
s->mbskip_proba = vp8_rac_get_uint(c, 8);
if (!s->keyframe) {
s->prob->intra = vp8_rac_get_uint(c, 8);
s->prob->last = vp8_rac_get_uint(c, 8);
s->prob->golden = vp8_rac_get_uint(c, 8);
s->intra_proba = vp8_rac_get_uint(c, 8);
s->last_proba = vp8_rac_get_uint(c, 8);
s->golden_proba = vp8_rac_get_uint(c, 8);
if (vp8_rac_get(c))
for (i = 0; i < 4; i++)
@ -725,7 +725,7 @@ void decode_mb_mode(VP8Context *s, VP8Macroblock *mb, int mb_x, int mb_y,
*segment = vp8_rac_get_tree(c, vp8_segmentid_tree, s->prob->segmentid);
s->segment = *segment;
mb->skip = s->mbskip_enabled ? vp56_rac_get_prob(c, s->prob->mbskip) : 0;
mb->skip = s->mbskip_enabled ? vp56_rac_get_prob(c, s->mbskip_proba) : 0;
if (s->keyframe) {
mb->mode = vp8_rac_get_tree(c, vp8_pred16x16_tree_intra, vp8_pred16x16_prob_intra);
@ -737,14 +737,14 @@ void decode_mb_mode(VP8Context *s, VP8Macroblock *mb, int mb_x, int mb_y,
s->chroma_pred_mode = vp8_rac_get_tree(c, vp8_pred8x8c_tree, vp8_pred8x8c_prob_intra);
mb->ref_frame = VP56_FRAME_CURRENT;
} else if (vp56_rac_get_prob_branchy(c, s->prob->intra)) {
} else if (vp56_rac_get_prob_branchy(c, s->intra_proba)) {
VP56mv near[2], best;
uint8_t cnt[4] = { 0 };
uint8_t p[4];
// inter MB, 16.2
if (vp56_rac_get_prob_branchy(c, s->prob->last))
mb->ref_frame = vp56_rac_get_prob(c, s->prob->golden) ?
if (vp56_rac_get_prob_branchy(c, s->last_proba))
mb->ref_frame = vp56_rac_get_prob(c, s->golden_proba) ?
VP56_FRAME_GOLDEN2 /* altref */ : VP56_FRAME_GOLDEN;
else
mb->ref_frame = VP56_FRAME_PREVIOUS;