virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-07-11 14:30:22 +02:00
Code Issues Releases Activity

h264_cabac: remove now unnecessary H264Context function parameters

Browse Source
This commit is contained in:
Anton Khirnov
2015-01-29 11:28:54 +01:00
parent a12d3188cb
commit b53569e068
1 changed files with 33 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

66
libavcodec/h264_cabac.c
View File

@ -1294,7 +1294,7 @@ static int decode_cabac_field_decoding_flag(const H264Context *h, H264SliceConte
return get_cabac_noinline( &sl->cabac, &(sl->cabac_state+70)[ctx] ); return get_cabac_noinline( &sl->cabac, &(sl->cabac_state+70)[ctx] );
} }
static int decode_cabac_intra_mb_type(const H264Context *h, H264SliceContext *sl, static int decode_cabac_intra_mb_type(H264SliceContext *sl,
int ctx_base, int intra_slice) int ctx_base, int intra_slice)
{ {
uint8_t *state= &sl->cabac_state[ctx_base]; uint8_t *state= &sl->cabac_state[ctx_base];
@ -1363,7 +1363,7 @@ static int decode_cabac_mb_skip(const H264Context *h, H264SliceContext *sl,
return get_cabac_noinline( &sl->cabac, &sl->cabac_state[11+ctx] ); return get_cabac_noinline( &sl->cabac, &sl->cabac_state[11+ctx] );
} }
static int decode_cabac_mb_intra4x4_pred_mode(const H264Context *h, H264SliceContext *sl, int pred_mode) static int decode_cabac_mb_intra4x4_pred_mode(H264SliceContext *sl, int pred_mode)
{ {
int mode = 0; int mode = 0;
@ -1402,7 +1402,7 @@ static int decode_cabac_mb_chroma_pre_mode(const H264Context *h, H264SliceContex
return 3; return 3;
} }
static int decode_cabac_mb_cbp_luma(const H264Context *h, H264SliceContext *sl) static int decode_cabac_mb_cbp_luma(H264SliceContext *sl)
{ {
int cbp_b, cbp_a, ctx, cbp = 0; int cbp_b, cbp_a, ctx, cbp = 0;
@ -1419,7 +1419,7 @@ static int decode_cabac_mb_cbp_luma(const H264Context *h, H264SliceContext *sl)
cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]) << 3; cbp += get_cabac_noinline(&sl->cabac, &sl->cabac_state[73 + ctx]) << 3;
return cbp; return cbp;
} }
static int decode_cabac_mb_cbp_chroma(const H264Context *h, H264SliceContext *sl) static int decode_cabac_mb_cbp_chroma(H264SliceContext *sl)
{ {
int ctx; int ctx;
int cbp_a, cbp_b; int cbp_a, cbp_b;
@ -1439,7 +1439,7 @@ static int decode_cabac_mb_cbp_chroma(const H264Context *h, H264SliceContext *sl
return 1 + get_cabac_noinline( &sl->cabac, &sl->cabac_state[77 + ctx] ); return 1 + get_cabac_noinline( &sl->cabac, &sl->cabac_state[77 + ctx] );
} }
static int decode_cabac_p_mb_sub_type(const H264Context *h, H264SliceContext *sl) static int decode_cabac_p_mb_sub_type(H264SliceContext *sl)
{ {
if( get_cabac( &sl->cabac, &sl->cabac_state[21] ) ) if( get_cabac( &sl->cabac, &sl->cabac_state[21] ) )
return 0; /* 8x8 */ return 0; /* 8x8 */
@ -1449,7 +1449,7 @@ static int decode_cabac_p_mb_sub_type(const H264Context *h, H264SliceContext *sl
return 2; /* 4x8 */ return 2; /* 4x8 */
return 3; /* 4x4 */ return 3; /* 4x4 */
} }
static int decode_cabac_b_mb_sub_type(const H264Context *h, H264SliceContext *sl) static int decode_cabac_b_mb_sub_type(H264SliceContext *sl)
{ {
int type; int type;
if( !get_cabac( &sl->cabac, &sl->cabac_state[36] ) ) if( !get_cabac( &sl->cabac, &sl->cabac_state[36] ) )
@ -1467,7 +1467,7 @@ static int decode_cabac_b_mb_sub_type(const H264Context *h, H264SliceContext *sl
return type; return type;
} }
static int decode_cabac_mb_ref(const H264Context *h, H264SliceContext *sl, int list, int n) static int decode_cabac_mb_ref(H264SliceContext *sl, int list, int n)
{ {
int refa = sl->ref_cache[list][scan8[n] - 1]; int refa = sl->ref_cache[list][scan8[n] - 1];
int refb = sl->ref_cache[list][scan8[n] - 8]; int refb = sl->ref_cache[list][scan8[n] - 8];
@ -1496,7 +1496,7 @@ static int decode_cabac_mb_ref(const H264Context *h, H264SliceContext *sl, int l
return ref; return ref;
} }
static int decode_cabac_mb_mvd(const H264Context *h, H264SliceContext *sl, int ctxbase, int amvd, int *mvda) static int decode_cabac_mb_mvd(H264SliceContext *sl, int ctxbase, int amvd, int *mvda)
{ {
int mvd; int mvd;
@ -1520,7 +1520,7 @@ static int decode_cabac_mb_mvd(const H264Context *h, H264SliceContext *sl, int c
mvd += 1 << k; mvd += 1 << k;
k++; k++;
if(k>24){ if(k>24){
av_log(h->avctx, AV_LOG_ERROR, "overflow in decode_cabac_mb_mvd\n"); av_log(sl->h264->avctx, AV_LOG_ERROR, "overflow in decode_cabac_mb_mvd\n");
return INT_MIN; return INT_MIN;
} }
} }
@ -1533,18 +1533,18 @@ static int decode_cabac_mb_mvd(const H264Context *h, H264SliceContext *sl, int c
return get_cabac_bypass_sign( &sl->cabac, -mvd ); return get_cabac_bypass_sign( &sl->cabac, -mvd );
} }
#define DECODE_CABAC_MB_MVD( h, list, n )\ #define DECODE_CABAC_MB_MVD(sl, list, n )\
{\ {\
int amvd0 = sl->mvd_cache[list][scan8[n] - 1][0] +\ int amvd0 = sl->mvd_cache[list][scan8[n] - 1][0] +\
sl->mvd_cache[list][scan8[n] - 8][0];\ sl->mvd_cache[list][scan8[n] - 8][0];\
int amvd1 = sl->mvd_cache[list][scan8[n] - 1][1] +\ int amvd1 = sl->mvd_cache[list][scan8[n] - 1][1] +\
sl->mvd_cache[list][scan8[n] - 8][1];\ sl->mvd_cache[list][scan8[n] - 8][1];\
\ \
mx += decode_cabac_mb_mvd(h, sl, 40, amvd0, &mpx);\ mx += decode_cabac_mb_mvd(sl, 40, amvd0, &mpx);\
my += decode_cabac_mb_mvd(h, sl, 47, amvd1, &mpy);\ my += decode_cabac_mb_mvd(sl, 47, amvd1, &mpy);\
} }
static av_always_inline int get_cabac_cbf_ctx(const H264Context *h, H264SliceContext *sl, static av_always_inline int get_cabac_cbf_ctx(H264SliceContext *sl,
int cat, int idx, int max_coeff, int cat, int idx, int max_coeff,
int is_dc) int is_dc)
{ {
@ -1813,7 +1813,7 @@ static av_always_inline void decode_cabac_residual_dc(const H264Context *h,
int max_coeff) int max_coeff)
{ {
/* read coded block flag */ /* read coded block flag */
if( get_cabac( &sl->cabac, &sl->cabac_state[get_cabac_cbf_ctx(h, sl, cat, n, max_coeff, 1)]) == 0 ) { if( get_cabac( &sl->cabac, &sl->cabac_state[get_cabac_cbf_ctx(sl, cat, n, max_coeff, 1)]) == 0 ) {
sl->non_zero_count_cache[scan8[n]] = 0; sl->non_zero_count_cache[scan8[n]] = 0;
return; return;
} }
@ -1827,7 +1827,7 @@ decode_cabac_residual_dc_422(const H264Context *h, H264SliceContext *sl,
int max_coeff) int max_coeff)
{ {
/* read coded block flag */ /* read coded block flag */
if (get_cabac(&sl->cabac, &sl->cabac_state[get_cabac_cbf_ctx(h, sl, cat, n, max_coeff, 1)]) == 0) { if (get_cabac(&sl->cabac, &sl->cabac_state[get_cabac_cbf_ctx(sl, cat, n, max_coeff, 1)]) == 0) {
sl->non_zero_count_cache[scan8[n]] = 0; sl->non_zero_count_cache[scan8[n]] = 0;
return; return;
} }
@ -1843,7 +1843,7 @@ static av_always_inline void decode_cabac_residual_nondc(const H264Context *h,
int max_coeff) int max_coeff)
{ {
/* read coded block flag */ /* read coded block flag */
if( (cat != 5 || CHROMA444(h)) && get_cabac( &sl->cabac, &sl->cabac_state[get_cabac_cbf_ctx(h, sl, cat, n, max_coeff, 0)]) == 0) { if( (cat != 5 || CHROMA444(h)) && get_cabac( &sl->cabac, &sl->cabac_state[get_cabac_cbf_ctx(sl, cat, n, max_coeff, 0)]) == 0) {
if( max_coeff == 64 ) { if( max_coeff == 64 ) {
fill_rectangle(&sl->non_zero_count_cache[scan8[n]], 2, 2, 8, 0, 1); fill_rectangle(&sl->non_zero_count_cache[scan8[n]], 2, 2, 8, 0, 1);
} else { } else {
@ -1975,7 +1975,7 @@ int ff_h264_decode_mb_cabac(const H264Context *h, H264SliceContext *sl)
if( bits < 8 ){ if( bits < 8 ){
mb_type= bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */ mb_type= bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */
}else if( bits == 13 ){ }else if( bits == 13 ){
mb_type = decode_cabac_intra_mb_type(h, sl, 32, 0); mb_type = decode_cabac_intra_mb_type(sl, 32, 0);
goto decode_intra_mb; goto decode_intra_mb;
}else if( bits == 14 ){ }else if( bits == 14 ){
mb_type= 11; /* B_L1_L0_8x16 */ mb_type= 11; /* B_L1_L0_8x16 */
@ -2001,11 +2001,11 @@ int ff_h264_decode_mb_cabac(const H264Context *h, H264SliceContext *sl)
partition_count= p_mb_type_info[mb_type].partition_count; partition_count= p_mb_type_info[mb_type].partition_count;
mb_type= p_mb_type_info[mb_type].type; mb_type= p_mb_type_info[mb_type].type;
} else { } else {
mb_type = decode_cabac_intra_mb_type(h, sl, 17, 0); mb_type = decode_cabac_intra_mb_type(sl, 17, 0);
goto decode_intra_mb; goto decode_intra_mb;
} }
} else { } else {
mb_type = decode_cabac_intra_mb_type(h, sl, 3, 1); mb_type = decode_cabac_intra_mb_type(sl, 3, 1);
if (sl->slice_type == AV_PICTURE_TYPE_SI && mb_type) if (sl->slice_type == AV_PICTURE_TYPE_SI && mb_type)
mb_type--; mb_type--;
assert(sl->slice_type_nos == AV_PICTURE_TYPE_I); assert(sl->slice_type_nos == AV_PICTURE_TYPE_I);
@ -2063,13 +2063,13 @@ decode_intra_mb:
mb_type |= MB_TYPE_8x8DCT; mb_type |= MB_TYPE_8x8DCT;
for( i = 0; i < 16; i+=4 ) { for( i = 0; i < 16; i+=4 ) {
int pred = pred_intra_mode(h, sl, i); int pred = pred_intra_mode(h, sl, i);
int mode = decode_cabac_mb_intra4x4_pred_mode(h, sl, pred); int mode = decode_cabac_mb_intra4x4_pred_mode(sl, pred);
fill_rectangle(&sl->intra4x4_pred_mode_cache[scan8[i]], 2, 2, 8, mode, 1); fill_rectangle(&sl->intra4x4_pred_mode_cache[scan8[i]], 2, 2, 8, mode, 1);
} }
} else { } else {
for( i = 0; i < 16; i++ ) { for( i = 0; i < 16; i++ ) {
int pred = pred_intra_mode(h, sl, i); int pred = pred_intra_mode(h, sl, i);
sl->intra4x4_pred_mode_cache[scan8[i]] = decode_cabac_mb_intra4x4_pred_mode(h, sl, pred); sl->intra4x4_pred_mode_cache[scan8[i]] = decode_cabac_mb_intra4x4_pred_mode(sl, pred);
av_dlog(h->avctx, "i4x4 pred=%d mode=%d\n", pred, av_dlog(h->avctx, "i4x4 pred=%d mode=%d\n", pred,
h->intra4x4_pred_mode_cache[scan8[i]]); h->intra4x4_pred_mode_cache[scan8[i]]);
@ -2096,7 +2096,7 @@ decode_intra_mb:
if (sl->slice_type_nos == AV_PICTURE_TYPE_B ) { if (sl->slice_type_nos == AV_PICTURE_TYPE_B ) {
for( i = 0; i < 4; i++ ) { for( i = 0; i < 4; i++ ) {
sl->sub_mb_type[i] = decode_cabac_b_mb_sub_type(h, sl); sl->sub_mb_type[i] = decode_cabac_b_mb_sub_type(sl);
sub_partition_count[i] = b_sub_mb_type_info[sl->sub_mb_type[i]].partition_count; sub_partition_count[i] = b_sub_mb_type_info[sl->sub_mb_type[i]].partition_count;
sl->sub_mb_type[i] = b_sub_mb_type_info[sl->sub_mb_type[i]].type; sl->sub_mb_type[i] = b_sub_mb_type_info[sl->sub_mb_type[i]].type;
} }
@ -2112,7 +2112,7 @@ decode_intra_mb:
} }
} else { } else {
for( i = 0; i < 4; i++ ) { for( i = 0; i < 4; i++ ) {
sl->sub_mb_type[i] = decode_cabac_p_mb_sub_type(h, sl); sl->sub_mb_type[i] = decode_cabac_p_mb_sub_type(sl);
sub_partition_count[i] = p_sub_mb_type_info[sl->sub_mb_type[i]].partition_count; sub_partition_count[i] = p_sub_mb_type_info[sl->sub_mb_type[i]].partition_count;
sl->sub_mb_type[i] = p_sub_mb_type_info[sl->sub_mb_type[i]].type; sl->sub_mb_type[i] = p_sub_mb_type_info[sl->sub_mb_type[i]].type;
} }
@ -2124,7 +2124,7 @@ decode_intra_mb:
if(IS_DIR(sl->sub_mb_type[i], 0, list)){ if(IS_DIR(sl->sub_mb_type[i], 0, list)){
int rc = sl->ref_count[list] << MB_MBAFF(sl); int rc = sl->ref_count[list] << MB_MBAFF(sl);
if (rc > 1) { if (rc > 1) {
ref[list][i] = decode_cabac_mb_ref(h, sl, list, 4 * i); ref[list][i] = decode_cabac_mb_ref(sl, list, 4 * i);
if (ref[list][i] >= (unsigned) rc) { if (ref[list][i] >= (unsigned) rc) {
av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref[list][i], rc); av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref[list][i], rc);
return -1; return -1;
@ -2160,7 +2160,7 @@ decode_intra_mb:
int16_t (* mv_cache)[2] = &sl->mv_cache[list][ scan8[index] ]; int16_t (* mv_cache)[2] = &sl->mv_cache[list][ scan8[index] ];
uint8_t (* mvd_cache)[2]= &sl->mvd_cache[list][ scan8[index] ]; uint8_t (* mvd_cache)[2]= &sl->mvd_cache[list][ scan8[index] ];
pred_motion(h, sl, index, block_width, list, sl->ref_cache[list][ scan8[index] ], &mx, &my); pred_motion(h, sl, index, block_width, list, sl->ref_cache[list][ scan8[index] ], &mx, &my);
DECODE_CABAC_MB_MVD( h, list, index) DECODE_CABAC_MB_MVD(sl, list, index)
tprintf(h->avctx, "final mv:%d %d\n", mx, my); tprintf(h->avctx, "final mv:%d %d\n", mx, my);
if(IS_SUB_8X8(sub_mb_type)){ if(IS_SUB_8X8(sub_mb_type)){
@ -2210,7 +2210,7 @@ decode_intra_mb:
if(IS_DIR(mb_type, 0, list)){ if(IS_DIR(mb_type, 0, list)){
int ref, rc = sl->ref_count[list] << MB_MBAFF(sl); int ref, rc = sl->ref_count[list] << MB_MBAFF(sl);
if (rc > 1) { if (rc > 1) {
ref= decode_cabac_mb_ref(h, sl, list, 0); ref= decode_cabac_mb_ref(sl, list, 0);
if (ref >= (unsigned) rc) { if (ref >= (unsigned) rc) {
av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc); av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc);
return -1; return -1;
@ -2224,7 +2224,7 @@ decode_intra_mb:
if(IS_DIR(mb_type, 0, list)){ if(IS_DIR(mb_type, 0, list)){
int mx,my,mpx,mpy; int mx,my,mpx,mpy;
pred_motion(h, sl, 0, 4, list, sl->ref_cache[list][ scan8[0] ], &mx, &my); pred_motion(h, sl, 0, 4, list, sl->ref_cache[list][ scan8[0] ], &mx, &my);
DECODE_CABAC_MB_MVD( h, list, 0) DECODE_CABAC_MB_MVD(sl, list, 0)
tprintf(h->avctx, "final mv:%d %d\n", mx, my); tprintf(h->avctx, "final mv:%d %d\n", mx, my);
fill_rectangle(sl->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack8to16(mpx,mpy), 2); fill_rectangle(sl->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack8to16(mpx,mpy), 2);
@ -2238,7 +2238,7 @@ decode_intra_mb:
if(IS_DIR(mb_type, i, list)){ if(IS_DIR(mb_type, i, list)){
int ref, rc = sl->ref_count[list] << MB_MBAFF(sl); int ref, rc = sl->ref_count[list] << MB_MBAFF(sl);
if (rc > 1) { if (rc > 1) {
ref= decode_cabac_mb_ref(h, sl, list, 8 * i); ref= decode_cabac_mb_ref(sl, list, 8 * i);
if (ref >= (unsigned) rc) { if (ref >= (unsigned) rc) {
av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc); av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc);
return -1; return -1;
@ -2255,7 +2255,7 @@ decode_intra_mb:
if(IS_DIR(mb_type, i, list)){ if(IS_DIR(mb_type, i, list)){
int mx,my,mpx,mpy; int mx,my,mpx,mpy;
pred_16x8_motion(h, sl, 8*i, list, sl->ref_cache[list][scan8[0] + 16*i], &mx, &my); pred_16x8_motion(h, sl, 8*i, list, sl->ref_cache[list][scan8[0] + 16*i], &mx, &my);
DECODE_CABAC_MB_MVD( h, list, 8*i) DECODE_CABAC_MB_MVD(sl, list, 8*i)
tprintf(h->avctx, "final mv:%d %d\n", mx, my); tprintf(h->avctx, "final mv:%d %d\n", mx, my);
fill_rectangle(sl->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack8to16(mpx,mpy), 2); fill_rectangle(sl->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack8to16(mpx,mpy), 2);
@ -2273,7 +2273,7 @@ decode_intra_mb:
if(IS_DIR(mb_type, i, list)){ //FIXME optimize if(IS_DIR(mb_type, i, list)){ //FIXME optimize
int ref, rc = sl->ref_count[list] << MB_MBAFF(sl); int ref, rc = sl->ref_count[list] << MB_MBAFF(sl);
if (rc > 1) { if (rc > 1) {
ref= decode_cabac_mb_ref(h, sl, list, 4 * i); ref = decode_cabac_mb_ref(sl, list, 4 * i);
if (ref >= (unsigned) rc) { if (ref >= (unsigned) rc) {
av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc); av_log(h->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, rc);
return -1; return -1;
@ -2290,7 +2290,7 @@ decode_intra_mb:
if(IS_DIR(mb_type, i, list)){ if(IS_DIR(mb_type, i, list)){
int mx,my,mpx,mpy; int mx,my,mpx,mpy;
pred_8x16_motion(h, sl, i*4, list, sl->ref_cache[list][ scan8[0] + 2*i ], &mx, &my); pred_8x16_motion(h, sl, i*4, list, sl->ref_cache[list][ scan8[0] + 2*i ], &mx, &my);
DECODE_CABAC_MB_MVD( h, list, 4*i) DECODE_CABAC_MB_MVD(sl, list, 4*i)
tprintf(h->avctx, "final mv:%d %d\n", mx, my); tprintf(h->avctx, "final mv:%d %d\n", mx, my);
fill_rectangle(sl->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack8to16(mpx,mpy), 2); fill_rectangle(sl->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack8to16(mpx,mpy), 2);
@ -2310,9 +2310,9 @@ decode_intra_mb:
} }
if( !IS_INTRA16x16( mb_type ) ) { if( !IS_INTRA16x16( mb_type ) ) {
cbp = decode_cabac_mb_cbp_luma(h, sl); cbp = decode_cabac_mb_cbp_luma(sl);
if(decode_chroma) if(decode_chroma)
cbp |= decode_cabac_mb_cbp_chroma(h, sl) << 4; cbp |= decode_cabac_mb_cbp_chroma(sl) << 4;
} }
h->cbp_table[mb_xy] = sl->cbp = cbp; h->cbp_table[mb_xy] = sl->cbp = cbp;