* RV30/40 decoder common data
* Copyright (c) 2007 Mike Melanson, Konstantin Shishkov
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
* RV30/40 decoder common data
*/
+#include "libavutil/internal.h"
+
#include "avcodec.h"
-#include "dsputil.h"
+#include "error_resilience.h"
#include "mpegvideo.h"
#include "golomb.h"
+#include "internal.h"
#include "mathops.h"
#include "rectangle.h"
+#include "thread.h"
#include "rv34vlc.h"
#include "rv34data.h"
static RV34VLC intra_vlcs[NUM_INTRA_TABLES], inter_vlcs[NUM_INTER_TABLES];
+static int rv34_decode_mv(RV34DecContext *r, int block_type);
+
/**
- * @defgroup vlc RV30/40 VLC generating functions
+ * @name RV30/40 VLC generating functions
* @{
*/
vlc->table = &table_data[table_offs[num]];
vlc->table_allocated = table_offs[num + 1] - table_offs[num];
- init_vlc_sparse(vlc, FFMIN(maxbits, 9), realsize,
- bits2, 1, 1,
- cw, 2, 2,
- syms, 2, 2, INIT_VLC_USE_NEW_STATIC);
+ ff_init_vlc_sparse(vlc, FFMIN(maxbits, 9), realsize,
+ bits2, 1, 1,
+ cw, 2, 2,
+ syms, 2, 2, INIT_VLC_USE_NEW_STATIC);
}
/**
/** @} */ // vlc group
-
-/**
- * @defgroup transform RV30/40 inverse transform functions
- * @{
- */
-
-static av_always_inline void rv34_row_transform(int temp[16], DCTELEM *block)
-{
- int i;
-
- for(i=0; i<4; i++){
- const int z0= 13*(block[i+8*0] + block[i+8*2]);
- const int z1= 13*(block[i+8*0] - block[i+8*2]);
- const int z2= 7* block[i+8*1] - 17*block[i+8*3];
- const int z3= 17* block[i+8*1] + 7*block[i+8*3];
-
- temp[4*i+0]= z0+z3;
- temp[4*i+1]= z1+z2;
- temp[4*i+2]= z1-z2;
- temp[4*i+3]= z0-z3;
- }
-}
-
-/**
- * Real Video 3.0/4.0 inverse transform
- * Code is almost the same as in SVQ3, only scaling is different.
- */
-static void rv34_inv_transform(DCTELEM *block){
- int temp[16];
- int i;
-
- rv34_row_transform(temp, block);
-
- for(i=0; i<4; i++){
- const int z0= 13*(temp[4*0+i] + temp[4*2+i]) + 0x200;
- const int z1= 13*(temp[4*0+i] - temp[4*2+i]) + 0x200;
- const int z2= 7* temp[4*1+i] - 17*temp[4*3+i];
- const int z3= 17* temp[4*1+i] + 7*temp[4*3+i];
-
- block[i*8+0]= (z0 + z3)>>10;
- block[i*8+1]= (z1 + z2)>>10;
- block[i*8+2]= (z1 - z2)>>10;
- block[i*8+3]= (z0 - z3)>>10;
- }
-
-}
-
-/**
- * RealVideo 3.0/4.0 inverse transform for DC block
- *
- * Code is almost the same as rv34_inv_transform()
- * but final coefficients are multiplied by 1.5 and have no rounding.
- */
-static void rv34_inv_transform_noround(DCTELEM *block){
- int temp[16];
- int i;
-
- rv34_row_transform(temp, block);
-
- for(i=0; i<4; i++){
- const int z0= 13*(temp[4*0+i] + temp[4*2+i]);
- const int z1= 13*(temp[4*0+i] - temp[4*2+i]);
- const int z2= 7* temp[4*1+i] - 17*temp[4*3+i];
- const int z3= 17* temp[4*1+i] + 7*temp[4*3+i];
-
- block[i*8+0]= ((z0 + z3)*3)>>11;
- block[i*8+1]= ((z1 + z2)*3)>>11;
- block[i*8+2]= ((z1 - z2)*3)>>11;
- block[i*8+3]= ((z0 - z3)*3)>>11;
- }
-
-}
-
-/** @} */ // transform
-
-
/**
- * @defgroup block RV30/40 4x4 block decoding functions
+ * @name RV30/40 4x4 block decoding functions
* @{
*/
}
for(i = 0; i < 4; i++){
- t = modulo_three_table[code][i];
+ t = (modulo_three_table[code] >> (6 - 2*i)) & 3;
if(t == 1)
cbp |= cbp_masks[get_bits1(gb)] << i;
if(t == 2)
/**
* Get one coefficient value from the bistream and store it.
*/
-static inline void decode_coeff(DCTELEM *dst, int coef, int esc, GetBitContext *gb, VLC* vlc)
+static inline void decode_coeff(int16_t *dst, int coef, int esc, GetBitContext *gb, VLC* vlc, int q)
{
if(coef){
if(coef == esc){
}
if(get_bits1(gb))
coef = -coef;
- *dst = coef;
+ *dst = (coef*q + 8) >> 4;
}
}
/**
* Decode 2x2 subblock of coefficients.
*/
-static inline void decode_subblock(DCTELEM *dst, int code, const int is_block2, GetBitContext *gb, VLC *vlc)
+static inline void decode_subblock(int16_t *dst, int code, const int is_block2, GetBitContext *gb, VLC *vlc, int q)
{
- int coeffs[4];
+ int flags = modulo_three_table[code];
- coeffs[0] = modulo_three_table[code][0];
- coeffs[1] = modulo_three_table[code][1];
- coeffs[2] = modulo_three_table[code][2];
- coeffs[3] = modulo_three_table[code][3];
- decode_coeff(dst , coeffs[0], 3, gb, vlc);
+ decode_coeff( dst+0*4+0, (flags >> 6) , 3, gb, vlc, q);
if(is_block2){
- decode_coeff(dst+8, coeffs[1], 2, gb, vlc);
- decode_coeff(dst+1, coeffs[2], 2, gb, vlc);
+ decode_coeff(dst+1*4+0, (flags >> 4) & 3, 2, gb, vlc, q);
+ decode_coeff(dst+0*4+1, (flags >> 2) & 3, 2, gb, vlc, q);
}else{
- decode_coeff(dst+1, coeffs[1], 2, gb, vlc);
- decode_coeff(dst+8, coeffs[2], 2, gb, vlc);
+ decode_coeff(dst+0*4+1, (flags >> 4) & 3, 2, gb, vlc, q);
+ decode_coeff(dst+1*4+0, (flags >> 2) & 3, 2, gb, vlc, q);
}
- decode_coeff(dst+9, coeffs[3], 2, gb, vlc);
+ decode_coeff( dst+1*4+1, (flags >> 0) & 3, 2, gb, vlc, q);
+}
+
+/**
+ * Decode a single coefficient.
+ */
+static inline void decode_subblock1(int16_t *dst, int code, GetBitContext *gb, VLC *vlc, int q)
+{
+ int coeff = modulo_three_table[code] >> 6;
+ decode_coeff(dst, coeff, 3, gb, vlc, q);
+}
+
+static inline void decode_subblock3(int16_t *dst, int code, GetBitContext *gb, VLC *vlc,
+ int q_dc, int q_ac1, int q_ac2)
+{
+ int flags = modulo_three_table[code];
+
+ decode_coeff(dst+0*4+0, (flags >> 6) , 3, gb, vlc, q_dc);
+ decode_coeff(dst+0*4+1, (flags >> 4) & 3, 2, gb, vlc, q_ac1);
+ decode_coeff(dst+1*4+0, (flags >> 2) & 3, 2, gb, vlc, q_ac1);
+ decode_coeff(dst+1*4+1, (flags >> 0) & 3, 2, gb, vlc, q_ac2);
}
/**
* o--o
*/
-static inline void rv34_decode_block(DCTELEM *dst, GetBitContext *gb, RV34VLC *rvlc, int fc, int sc)
+static int rv34_decode_block(int16_t *dst, GetBitContext *gb, RV34VLC *rvlc, int fc, int sc, int q_dc, int q_ac1, int q_ac2)
{
- int code, pattern;
+ int code, pattern, has_ac = 1;
code = get_vlc2(gb, rvlc->first_pattern[fc].table, 9, 2);
pattern = code & 0x7;
code >>= 3;
- decode_subblock(dst, code, 0, gb, &rvlc->coefficient);
+
+ if (modulo_three_table[code] & 0x3F) {
+ decode_subblock3(dst, code, gb, &rvlc->coefficient, q_dc, q_ac1, q_ac2);
+ } else {
+ decode_subblock1(dst, code, gb, &rvlc->coefficient, q_dc);
+ if (!pattern)
+ return 0;
+ has_ac = 0;
+ }
if(pattern & 4){
code = get_vlc2(gb, rvlc->second_pattern[sc].table, 9, 2);
- decode_subblock(dst + 2, code, 0, gb, &rvlc->coefficient);
+ decode_subblock(dst + 4*0+2, code, 0, gb, &rvlc->coefficient, q_ac2);
}
if(pattern & 2){ // Looks like coefficients 1 and 2 are swapped for this block
code = get_vlc2(gb, rvlc->second_pattern[sc].table, 9, 2);
- decode_subblock(dst + 8*2, code, 1, gb, &rvlc->coefficient);
+ decode_subblock(dst + 4*2+0, code, 1, gb, &rvlc->coefficient, q_ac2);
}
if(pattern & 1){
code = get_vlc2(gb, rvlc->third_pattern[sc].table, 9, 2);
- decode_subblock(dst + 8*2+2, code, 0, gb, &rvlc->coefficient);
+ decode_subblock(dst + 4*2+2, code, 0, gb, &rvlc->coefficient, q_ac2);
}
-
+ return has_ac | pattern;
}
/**
- * Dequantize ordinary 4x4 block.
- * @todo optimize
- */
-static inline void rv34_dequant4x4(DCTELEM *block, int Qdc, int Q)
-{
- int i, j;
-
- block[0] = (block[0] * Qdc + 8) >> 4;
- for(i = 0; i < 4; i++)
- for(j = !i; j < 4; j++)
- block[j + i*8] = (block[j + i*8] * Q + 8) >> 4;
-}
-
-/**
- * Dequantize 4x4 block of DC values for 16x16 macroblock.
- * @todo optimize
- */
-static inline void rv34_dequant4x4_16x16(DCTELEM *block, int Qdc, int Q)
-{
- int i;
-
- for(i = 0; i < 3; i++)
- block[rv34_dezigzag[i]] = (block[rv34_dezigzag[i]] * Qdc + 8) >> 4;
- for(; i < 16; i++)
- block[rv34_dezigzag[i]] = (block[rv34_dezigzag[i]] * Q + 8) >> 4;
-}
-/** @} */ //block functions
-
-
-/**
- * @defgroup bitstream RV30/40 bitstream parsing
+ * @name RV30/40 bitstream parsing
* @{
*/
}
/**
- * Decode quantizer difference and return modified quantizer.
+ * Decode intra macroblock header and return CBP in case of success, -1 otherwise.
*/
-static inline int rv34_decode_dquant(GetBitContext *gb, int quant)
+static int rv34_decode_intra_mb_header(RV34DecContext *r, int8_t *intra_types)
{
- if(get_bits1(gb))
- return rv34_dquant_tab[get_bits1(gb)][quant];
- else
- return get_bits(gb, 5);
+ MpegEncContext *s = &r->s;
+ GetBitContext *gb = &s->gb;
+ int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
+ int t;
+
+ r->is16 = get_bits1(gb);
+ if(r->is16){
+ s->current_picture_ptr->mb_type[mb_pos] = MB_TYPE_INTRA16x16;
+ r->block_type = RV34_MB_TYPE_INTRA16x16;
+ t = get_bits(gb, 2);
+ fill_rectangle(intra_types, 4, 4, r->intra_types_stride, t, sizeof(intra_types[0]));
+ r->luma_vlc = 2;
+ }else{
+ if(!r->rv30){
+ if(!get_bits1(gb))
+ av_log(s->avctx, AV_LOG_ERROR, "Need DQUANT\n");
+ }
+ s->current_picture_ptr->mb_type[mb_pos] = MB_TYPE_INTRA;
+ r->block_type = RV34_MB_TYPE_INTRA;
+ if(r->decode_intra_types(r, gb, intra_types) < 0)
+ return -1;
+ r->luma_vlc = 1;
+ }
+
+ r->chroma_vlc = 0;
+ r->cur_vlcs = choose_vlc_set(r->si.quant, r->si.vlc_set, 0);
+
+ return rv34_decode_cbp(gb, r->cur_vlcs, r->is16);
+}
+
+/**
+ * Decode inter macroblock header and return CBP in case of success, -1 otherwise.
+ */
+static int rv34_decode_inter_mb_header(RV34DecContext *r, int8_t *intra_types)
+{
+ MpegEncContext *s = &r->s;
+ GetBitContext *gb = &s->gb;
+ int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
+ int i, t;
+
+ r->block_type = r->decode_mb_info(r);
+ if(r->block_type == -1)
+ return -1;
+ s->current_picture_ptr->mb_type[mb_pos] = rv34_mb_type_to_lavc[r->block_type];
+ r->mb_type[mb_pos] = r->block_type;
+ if(r->block_type == RV34_MB_SKIP){
+ if(s->pict_type == AV_PICTURE_TYPE_P)
+ r->mb_type[mb_pos] = RV34_MB_P_16x16;
+ if(s->pict_type == AV_PICTURE_TYPE_B)
+ r->mb_type[mb_pos] = RV34_MB_B_DIRECT;
+ }
+ r->is16 = !!IS_INTRA16x16(s->current_picture_ptr->mb_type[mb_pos]);
+ rv34_decode_mv(r, r->block_type);
+ if(r->block_type == RV34_MB_SKIP){
+ fill_rectangle(intra_types, 4, 4, r->intra_types_stride, 0, sizeof(intra_types[0]));
+ return 0;
+ }
+ r->chroma_vlc = 1;
+ r->luma_vlc = 0;
+
+ if(IS_INTRA(s->current_picture_ptr->mb_type[mb_pos])){
+ if(r->is16){
+ t = get_bits(gb, 2);
+ fill_rectangle(intra_types, 4, 4, r->intra_types_stride, t, sizeof(intra_types[0]));
+ r->luma_vlc = 2;
+ }else{
+ if(r->decode_intra_types(r, gb, intra_types) < 0)
+ return -1;
+ r->luma_vlc = 1;
+ }
+ r->chroma_vlc = 0;
+ r->cur_vlcs = choose_vlc_set(r->si.quant, r->si.vlc_set, 0);
+ }else{
+ for(i = 0; i < 16; i++)
+ intra_types[(i & 3) + (i>>2) * r->intra_types_stride] = 0;
+ r->cur_vlcs = choose_vlc_set(r->si.quant, r->si.vlc_set, 1);
+ if(r->mb_type[mb_pos] == RV34_MB_P_MIX16x16){
+ r->is16 = 1;
+ r->chroma_vlc = 1;
+ r->luma_vlc = 2;
+ r->cur_vlcs = choose_vlc_set(r->si.quant, r->si.vlc_set, 0);
+ }
+ }
+
+ return rv34_decode_cbp(gb, r->cur_vlcs, r->is16);
}
/** @} */ //bitstream functions
/**
- * @defgroup mv motion vector related code (prediction, reconstruction, motion compensation)
+ * @name motion vector related code (prediction, reconstruction, motion compensation)
* @{
*/
int A[2] = {0}, B[2], C[2];
int i, j;
int mx, my;
- int avail_index = avail_indexes[subblock_no];
+ int* avail = r->avail_cache + avail_indexes[subblock_no];
int c_off = part_sizes_w[block_type];
mv_pos += (subblock_no & 1) + (subblock_no >> 1)*s->b8_stride;
if(subblock_no == 3)
c_off = -1;
- if(r->avail_cache[avail_index - 1]){
+ if(avail[-1]){
A[0] = s->current_picture_ptr->motion_val[0][mv_pos-1][0];
A[1] = s->current_picture_ptr->motion_val[0][mv_pos-1][1];
}
- if(r->avail_cache[avail_index - 4]){
+ if(avail[-4]){
B[0] = s->current_picture_ptr->motion_val[0][mv_pos-s->b8_stride][0];
B[1] = s->current_picture_ptr->motion_val[0][mv_pos-s->b8_stride][1];
}else{
B[0] = A[0];
B[1] = A[1];
}
- if(!r->avail_cache[avail_index - 4 + c_off]){
- if(r->avail_cache[avail_index - 4] && (r->avail_cache[avail_index - 1] || r->rv30)){
+ if(!avail[c_off-4]){
+ if(avail[-4] && (avail[-1] || r->rv30)){
C[0] = s->current_picture_ptr->motion_val[0][mv_pos-s->b8_stride-1][0];
C[1] = s->current_picture_ptr->motion_val[0][mv_pos-s->b8_stride-1][1];
}else{
*/
static int calc_add_mv(RV34DecContext *r, int dir, int val)
{
- int refdist = GET_PTS_DIFF(r->next_pts, r->last_pts);
- int dist = dir ? -GET_PTS_DIFF(r->next_pts, r->cur_pts) : GET_PTS_DIFF(r->cur_pts, r->last_pts);
- int mul;
+ int mul = dir ? -r->mv_weight2 : r->mv_weight1;
- if(!refdist) return 0;
- mul = (dist << 14) / refdist;
return (val * mul + 0x2000) >> 14;
}
MpegEncContext *s = &r->s;
int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
int mv_pos = s->mb_x * 2 + s->mb_y * 2 * s->b8_stride;
- int A[2], B[2], C[2];
+ int A[2] = { 0 }, B[2] = { 0 }, C[2] = { 0 };
int has_A = 0, has_B = 0, has_C = 0;
int mx, my;
int i, j;
const int mask = dir ? MB_TYPE_L1 : MB_TYPE_L0;
int type = cur_pic->mb_type[mb_pos];
- memset(A, 0, sizeof(A));
- memset(B, 0, sizeof(B));
- memset(C, 0, sizeof(C));
if((r->avail_cache[6-1] & type) & mask){
A[0] = cur_pic->motion_val[dir][mv_pos - 1][0];
A[1] = cur_pic->motion_val[dir][mv_pos - 1][1];
int A[2] = {0}, B[2], C[2];
int i, j, k;
int mx, my;
- int avail_index = avail_indexes[0];
+ int* avail = r->avail_cache + avail_indexes[0];
- if(r->avail_cache[avail_index - 1]){
- A[0] = s->current_picture_ptr->motion_val[0][mv_pos-1][0];
- A[1] = s->current_picture_ptr->motion_val[0][mv_pos-1][1];
+ if(avail[-1]){
+ A[0] = s->current_picture_ptr->motion_val[0][mv_pos - 1][0];
+ A[1] = s->current_picture_ptr->motion_val[0][mv_pos - 1][1];
}
- if(r->avail_cache[avail_index - 4]){
- B[0] = s->current_picture_ptr->motion_val[0][mv_pos-s->b8_stride][0];
- B[1] = s->current_picture_ptr->motion_val[0][mv_pos-s->b8_stride][1];
+ if(avail[-4]){
+ B[0] = s->current_picture_ptr->motion_val[0][mv_pos - s->b8_stride][0];
+ B[1] = s->current_picture_ptr->motion_val[0][mv_pos - s->b8_stride][1];
}else{
B[0] = A[0];
B[1] = A[1];
}
- if(!r->avail_cache[avail_index - 4 + 2]){
- if(r->avail_cache[avail_index - 4] && (r->avail_cache[avail_index - 1])){
- C[0] = s->current_picture_ptr->motion_val[0][mv_pos-s->b8_stride-1][0];
- C[1] = s->current_picture_ptr->motion_val[0][mv_pos-s->b8_stride-1][1];
+ if(!avail[-4 + 2]){
+ if(avail[-4] && (avail[-1])){
+ C[0] = s->current_picture_ptr->motion_val[0][mv_pos - s->b8_stride - 1][0];
+ C[1] = s->current_picture_ptr->motion_val[0][mv_pos - s->b8_stride - 1][1];
}else{
C[0] = A[0];
C[1] = A[1];
}
}else{
- C[0] = s->current_picture_ptr->motion_val[0][mv_pos-s->b8_stride+2][0];
- C[1] = s->current_picture_ptr->motion_val[0][mv_pos-s->b8_stride+2][1];
+ C[0] = s->current_picture_ptr->motion_val[0][mv_pos - s->b8_stride + 2][0];
+ C[1] = s->current_picture_ptr->motion_val[0][mv_pos - s->b8_stride + 2][1];
}
mx = mid_pred(A[0], B[0], C[0]);
my = mid_pred(A[1], B[1], C[1]);
static inline void rv34_mc(RV34DecContext *r, const int block_type,
const int xoff, const int yoff, int mv_off,
const int width, const int height, int dir,
- const int thirdpel,
+ const int thirdpel, int weighted,
qpel_mc_func (*qpel_mc)[16],
h264_chroma_mc_func (*chroma_mc))
{
my = (s->current_picture_ptr->motion_val[dir][mv_pos][1] + (3 << 24)) / 3 - (1 << 24);
lx = (s->current_picture_ptr->motion_val[dir][mv_pos][0] + (3 << 24)) % 3;
ly = (s->current_picture_ptr->motion_val[dir][mv_pos][1] + (3 << 24)) % 3;
- chroma_mx = (s->current_picture_ptr->motion_val[dir][mv_pos][0] + 1) >> 1;
- chroma_my = (s->current_picture_ptr->motion_val[dir][mv_pos][1] + 1) >> 1;
+ chroma_mx = s->current_picture_ptr->motion_val[dir][mv_pos][0] / 2;
+ chroma_my = s->current_picture_ptr->motion_val[dir][mv_pos][1] / 2;
umx = (chroma_mx + (3 << 24)) / 3 - (1 << 24);
umy = (chroma_my + (3 << 24)) / 3 - (1 << 24);
uvmx = chroma_coeffs[(chroma_mx + (3 << 24)) % 3];
if(uvmx == 6 && uvmy == 6)
uvmx = uvmy = 4;
}
+
+ if (HAVE_THREADS && (s->avctx->active_thread_type & FF_THREAD_FRAME)) {
+ /* wait for the referenced mb row to be finished */
+ int mb_row = s->mb_y + ((yoff + my + 5 + 8 * height) >> 4);
+ ThreadFrame *f = dir ? &s->next_picture_ptr->tf : &s->last_picture_ptr->tf;
+ ff_thread_await_progress(f, mb_row, 0);
+ }
+
dxy = ly*4 + lx;
- srcY = dir ? s->next_picture_ptr->data[0] : s->last_picture_ptr->data[0];
- srcU = dir ? s->next_picture_ptr->data[1] : s->last_picture_ptr->data[1];
- srcV = dir ? s->next_picture_ptr->data[2] : s->last_picture_ptr->data[2];
+ srcY = dir ? s->next_picture_ptr->f.data[0] : s->last_picture_ptr->f.data[0];
+ srcU = dir ? s->next_picture_ptr->f.data[1] : s->last_picture_ptr->f.data[1];
+ srcV = dir ? s->next_picture_ptr->f.data[2] : s->last_picture_ptr->f.data[2];
src_x = s->mb_x * 16 + xoff + mx;
src_y = s->mb_y * 16 + yoff + my;
uvsrc_x = s->mb_x * 8 + (xoff >> 1) + umx;
srcY += src_y * s->linesize + src_x;
srcU += uvsrc_y * s->uvlinesize + uvsrc_x;
srcV += uvsrc_y * s->uvlinesize + uvsrc_x;
- if( (unsigned)(src_x - !!lx*2) > s->h_edge_pos - !!lx*2 - (width <<3) - 4
- || (unsigned)(src_y - !!ly*2) > s->v_edge_pos - !!ly*2 - (height<<3) - 4){
- uint8_t *uvbuf= s->edge_emu_buffer + 22 * s->linesize;
+ if(s->h_edge_pos - (width << 3) < 6 || s->v_edge_pos - (height << 3) < 6 ||
+ (unsigned)(src_x - !!lx*2) > s->h_edge_pos - !!lx*2 - (width <<3) - 4 ||
+ (unsigned)(src_y - !!ly*2) > s->v_edge_pos - !!ly*2 - (height<<3) - 4) {
+ uint8_t *uvbuf = s->edge_emu_buffer + 22 * s->linesize;
srcY -= 2 + 2*s->linesize;
- ff_emulated_edge_mc(s->edge_emu_buffer, srcY, s->linesize, (width<<3)+6, (height<<3)+6,
+ s->vdsp.emulated_edge_mc(s->edge_emu_buffer, srcY, s->linesize, (width<<3)+6, (height<<3)+6,
src_x - 2, src_y - 2, s->h_edge_pos, s->v_edge_pos);
srcY = s->edge_emu_buffer + 2 + 2*s->linesize;
- ff_emulated_edge_mc(uvbuf , srcU, s->uvlinesize, (width<<2)+1, (height<<2)+1,
+ s->vdsp.emulated_edge_mc(uvbuf , srcU, s->uvlinesize, (width<<2)+1, (height<<2)+1,
uvsrc_x, uvsrc_y, s->h_edge_pos >> 1, s->v_edge_pos >> 1);
- ff_emulated_edge_mc(uvbuf + 16, srcV, s->uvlinesize, (width<<2)+1, (height<<2)+1,
+ s->vdsp.emulated_edge_mc(uvbuf + 16, srcV, s->uvlinesize, (width<<2)+1, (height<<2)+1,
uvsrc_x, uvsrc_y, s->h_edge_pos >> 1, s->v_edge_pos >> 1);
srcU = uvbuf;
srcV = uvbuf + 16;
}
- Y = s->dest[0] + xoff + yoff *s->linesize;
- U = s->dest[1] + (xoff>>1) + (yoff>>1)*s->uvlinesize;
- V = s->dest[2] + (xoff>>1) + (yoff>>1)*s->uvlinesize;
+ if(!weighted){
+ Y = s->dest[0] + xoff + yoff *s->linesize;
+ U = s->dest[1] + (xoff>>1) + (yoff>>1)*s->uvlinesize;
+ V = s->dest[2] + (xoff>>1) + (yoff>>1)*s->uvlinesize;
+ }else{
+ Y = r->tmp_b_block_y [dir] + xoff + yoff *s->linesize;
+ U = r->tmp_b_block_uv[dir*2] + (xoff>>1) + (yoff>>1)*s->uvlinesize;
+ V = r->tmp_b_block_uv[dir*2+1] + (xoff>>1) + (yoff>>1)*s->uvlinesize;
+ }
if(block_type == RV34_MB_P_16x8){
qpel_mc[1][dxy](Y, srcY, s->linesize);
const int xoff, const int yoff, int mv_off,
const int width, const int height, int dir)
{
- rv34_mc(r, block_type, xoff, yoff, mv_off, width, height, dir, r->rv30,
- r->rv30 ? r->s.dsp.put_rv30_tpel_pixels_tab
- : r->s.dsp.put_rv40_qpel_pixels_tab,
- r->rv30 ? r->s.dsp.put_h264_chroma_pixels_tab
- : r->s.dsp.put_rv40_chroma_pixels_tab);
+ rv34_mc(r, block_type, xoff, yoff, mv_off, width, height, dir, r->rv30, 0,
+ r->rdsp.put_pixels_tab,
+ r->rdsp.put_chroma_pixels_tab);
+}
+
+static void rv4_weight(RV34DecContext *r)
+{
+ r->rdsp.rv40_weight_pixels_tab[r->scaled_weight][0](r->s.dest[0],
+ r->tmp_b_block_y[0],
+ r->tmp_b_block_y[1],
+ r->weight1,
+ r->weight2,
+ r->s.linesize);
+ r->rdsp.rv40_weight_pixels_tab[r->scaled_weight][1](r->s.dest[1],
+ r->tmp_b_block_uv[0],
+ r->tmp_b_block_uv[2],
+ r->weight1,
+ r->weight2,
+ r->s.uvlinesize);
+ r->rdsp.rv40_weight_pixels_tab[r->scaled_weight][1](r->s.dest[2],
+ r->tmp_b_block_uv[1],
+ r->tmp_b_block_uv[3],
+ r->weight1,
+ r->weight2,
+ r->s.uvlinesize);
}
static void rv34_mc_2mv(RV34DecContext *r, const int block_type)
{
- rv34_mc(r, block_type, 0, 0, 0, 2, 2, 0, r->rv30,
- r->rv30 ? r->s.dsp.put_rv30_tpel_pixels_tab
- : r->s.dsp.put_rv40_qpel_pixels_tab,
- r->rv30 ? r->s.dsp.put_h264_chroma_pixels_tab
- : r->s.dsp.put_rv40_chroma_pixels_tab);
- rv34_mc(r, block_type, 0, 0, 0, 2, 2, 1, r->rv30,
- r->rv30 ? r->s.dsp.avg_rv30_tpel_pixels_tab
- : r->s.dsp.avg_rv40_qpel_pixels_tab,
- r->rv30 ? r->s.dsp.avg_h264_chroma_pixels_tab
- : r->s.dsp.avg_rv40_chroma_pixels_tab);
+ int weighted = !r->rv30 && block_type != RV34_MB_B_BIDIR && r->weight1 != 8192;
+
+ rv34_mc(r, block_type, 0, 0, 0, 2, 2, 0, r->rv30, weighted,
+ r->rdsp.put_pixels_tab,
+ r->rdsp.put_chroma_pixels_tab);
+ if(!weighted){
+ rv34_mc(r, block_type, 0, 0, 0, 2, 2, 1, r->rv30, 0,
+ r->rdsp.avg_pixels_tab,
+ r->rdsp.avg_chroma_pixels_tab);
+ }else{
+ rv34_mc(r, block_type, 0, 0, 0, 2, 2, 1, r->rv30, 1,
+ r->rdsp.put_pixels_tab,
+ r->rdsp.put_chroma_pixels_tab);
+ rv4_weight(r);
+ }
}
static void rv34_mc_2mv_skip(RV34DecContext *r)
{
int i, j;
+ int weighted = !r->rv30 && r->weight1 != 8192;
+
for(j = 0; j < 2; j++)
for(i = 0; i < 2; i++){
rv34_mc(r, RV34_MB_P_8x8, i*8, j*8, i+j*r->s.b8_stride, 1, 1, 0, r->rv30,
- r->rv30 ? r->s.dsp.put_rv30_tpel_pixels_tab
- : r->s.dsp.put_rv40_qpel_pixels_tab,
- r->rv30 ? r->s.dsp.put_h264_chroma_pixels_tab
- : r->s.dsp.put_rv40_chroma_pixels_tab);
+ weighted,
+ r->rdsp.put_pixels_tab,
+ r->rdsp.put_chroma_pixels_tab);
rv34_mc(r, RV34_MB_P_8x8, i*8, j*8, i+j*r->s.b8_stride, 1, 1, 1, r->rv30,
- r->rv30 ? r->s.dsp.avg_rv30_tpel_pixels_tab
- : r->s.dsp.avg_rv40_qpel_pixels_tab,
- r->rv30 ? r->s.dsp.avg_h264_chroma_pixels_tab
- : r->s.dsp.avg_rv40_chroma_pixels_tab);
+ weighted,
+ weighted ? r->rdsp.put_pixels_tab : r->rdsp.avg_pixels_tab,
+ weighted ? r->rdsp.put_chroma_pixels_tab : r->rdsp.avg_chroma_pixels_tab);
}
+ if(weighted)
+ rv4_weight(r);
}
/** number of motion vectors in each macroblock type */
ZERO8x2(s->current_picture_ptr->motion_val[0][s->mb_x * 2 + s->mb_y * 2 * s->b8_stride], s->b8_stride);
return 0;
case RV34_MB_SKIP:
- if(s->pict_type == FF_P_TYPE){
+ if(s->pict_type == AV_PICTURE_TYPE_P){
ZERO8x2(s->current_picture_ptr->motion_val[0][s->mb_x * 2 + s->mb_y * 2 * s->b8_stride], s->b8_stride);
rv34_mc_1mv (r, block_type, 0, 0, 0, 2, 2, 0);
break;
}
case RV34_MB_B_DIRECT:
//surprisingly, it uses motion scheme from next reference frame
+ /* wait for the current mb row to be finished */
+ if (HAVE_THREADS && (s->avctx->active_thread_type & FF_THREAD_FRAME))
+ ff_thread_await_progress(&s->next_picture_ptr->tf, FFMAX(0, s->mb_y-1), 0);
+
next_bt = s->next_picture_ptr->mb_type[s->mb_x + s->mb_y * s->mb_stride];
if(IS_INTRA(next_bt) || IS_SKIP(next_bt)){
ZERO8x2(s->current_picture_ptr->motion_val[0][s->mb_x * 2 + s->mb_y * 2 * s->b8_stride], s->b8_stride);
/** @} */ // mv group
/**
- * @defgroup recons Macroblock reconstruction functions
+ * @name Macroblock reconstruction functions
* @{
*/
/** mapping of RV30/40 intra prediction types to standard H.264 types */
if(itype == VERT_LEFT_PRED) itype = VERT_LEFT_PRED_RV40_NODOWN;
}
if(!right && up){
- topleft = dst[-stride + 3] * 0x01010101;
+ topleft = dst[-stride + 3] * 0x01010101u;
prev = (uint8_t*)&topleft;
}
r->h.pred4x4[itype](dst, prev, stride);
}
-/** add_pixels_clamped for 4x4 block */
-static void rv34_add_4x4_block(uint8_t *dst, int stride, DCTELEM block[64], int off)
-{
- int x, y;
- for(y = 0; y < 4; y++)
- for(x = 0; x < 4; x++)
- dst[x + y*stride] = av_clip_uint8(dst[x + y*stride] + block[off + x+y*8]);
-}
-
static inline int adjust_pred16(int itype, int up, int left)
{
if(!up && !left)
return itype;
}
-static void rv34_output_macroblock(RV34DecContext *r, int8_t *intra_types, int cbp, int is16)
+static inline void rv34_process_block(RV34DecContext *r,
+ uint8_t *pdst, int stride,
+ int fc, int sc, int q_dc, int q_ac)
{
MpegEncContext *s = &r->s;
- DSPContext *dsp = &s->dsp;
- int i, j;
- uint8_t *Y, *U, *V;
- int itype;
- int avail[6*8] = {0};
- int idx;
+ int16_t *ptr = s->block[0];
+ int has_ac = rv34_decode_block(ptr, &s->gb, r->cur_vlcs,
+ fc, sc, q_dc, q_ac, q_ac);
+ if(has_ac){
+ r->rdsp.rv34_idct_add(pdst, stride, ptr);
+ }else{
+ r->rdsp.rv34_idct_dc_add(pdst, stride, ptr[0]);
+ ptr[0] = 0;
+ }
+}
+
+static void rv34_output_i16x16(RV34DecContext *r, int8_t *intra_types, int cbp)
+{
+ LOCAL_ALIGNED_16(int16_t, block16, [16]);
+ MpegEncContext *s = &r->s;
+ GetBitContext *gb = &s->gb;
+ int q_dc = rv34_qscale_tab[ r->luma_dc_quant_i[s->qscale] ],
+ q_ac = rv34_qscale_tab[s->qscale];
+ uint8_t *dst = s->dest[0];
+ int16_t *ptr = s->block[0];
+ int i, j, itype, has_ac;
+
+ memset(block16, 0, 16 * sizeof(*block16));
+
+ has_ac = rv34_decode_block(block16, gb, r->cur_vlcs, 3, 0, q_dc, q_dc, q_ac);
+ if(has_ac)
+ r->rdsp.rv34_inv_transform(block16);
+ else
+ r->rdsp.rv34_inv_transform_dc(block16);
+
+ itype = ittrans16[intra_types[0]];
+ itype = adjust_pred16(itype, r->avail_cache[6-4], r->avail_cache[6-1]);
+ r->h.pred16x16[itype](dst, s->linesize);
+
+ for(j = 0; j < 4; j++){
+ for(i = 0; i < 4; i++, cbp >>= 1){
+ int dc = block16[i + j*4];
+
+ if(cbp & 1){
+ has_ac = rv34_decode_block(ptr, gb, r->cur_vlcs, r->luma_vlc, 0, q_ac, q_ac, q_ac);
+ }else
+ has_ac = 0;
+
+ if(has_ac){
+ ptr[0] = dc;
+ r->rdsp.rv34_idct_add(dst+4*i, s->linesize, ptr);
+ }else
+ r->rdsp.rv34_idct_dc_add(dst+4*i, s->linesize, dc);
+ }
+
+ dst += 4*s->linesize;
+ }
+
+ itype = ittrans16[intra_types[0]];
+ if(itype == PLANE_PRED8x8) itype = DC_PRED8x8;
+ itype = adjust_pred16(itype, r->avail_cache[6-4], r->avail_cache[6-1]);
+
+ q_dc = rv34_qscale_tab[rv34_chroma_quant[1][s->qscale]];
+ q_ac = rv34_qscale_tab[rv34_chroma_quant[0][s->qscale]];
+
+ for(j = 1; j < 3; j++){
+ dst = s->dest[j];
+ r->h.pred8x8[itype](dst, s->uvlinesize);
+ for(i = 0; i < 4; i++, cbp >>= 1){
+ uint8_t *pdst;
+ if(!(cbp & 1)) continue;
+ pdst = dst + (i&1)*4 + (i&2)*2*s->uvlinesize;
+
+ rv34_process_block(r, pdst, s->uvlinesize,
+ r->chroma_vlc, 1, q_dc, q_ac);
+ }
+ }
+}
+
+static void rv34_output_intra(RV34DecContext *r, int8_t *intra_types, int cbp)
+{
+ MpegEncContext *s = &r->s;
+ uint8_t *dst = s->dest[0];
+ int avail[6*8] = {0};
+ int i, j, k;
+ int idx, q_ac, q_dc;
// Set neighbour information.
if(r->avail_cache[1])
if(r->avail_cache[9])
avail[24] = avail[32] = 1;
- Y = s->dest[0];
- U = s->dest[1];
- V = s->dest[2];
- if(!is16){
- for(j = 0; j < 4; j++){
- idx = 9 + j*8;
- for(i = 0; i < 4; i++, cbp >>= 1, Y += 4, idx++){
- rv34_pred_4x4_block(r, Y, s->linesize, ittrans[intra_types[i]], avail[idx-8], avail[idx-1], avail[idx+7], avail[idx-7]);
- avail[idx] = 1;
- if(cbp & 1)
- rv34_add_4x4_block(Y, s->linesize, s->block[(i>>1)+(j&2)], (i&1)*4+(j&1)*32);
- }
- Y += s->linesize * 4 - 4*4;
- intra_types += r->intra_types_stride;
- }
- intra_types -= r->intra_types_stride * 4;
- fill_rectangle(r->avail_cache + 6, 2, 2, 4, 0, 4);
- for(j = 0; j < 2; j++){
- idx = 6 + j*4;
- for(i = 0; i < 2; i++, cbp >>= 1, idx++){
- rv34_pred_4x4_block(r, U + i*4 + j*4*s->uvlinesize, s->uvlinesize, ittrans[intra_types[i*2+j*2*r->intra_types_stride]], r->avail_cache[idx-4], r->avail_cache[idx-1], !i && !j, r->avail_cache[idx-3]);
- rv34_pred_4x4_block(r, V + i*4 + j*4*s->uvlinesize, s->uvlinesize, ittrans[intra_types[i*2+j*2*r->intra_types_stride]], r->avail_cache[idx-4], r->avail_cache[idx-1], !i && !j, r->avail_cache[idx-3]);
- r->avail_cache[idx] = 1;
- if(cbp & 0x01)
- rv34_add_4x4_block(U + i*4 + j*4*s->uvlinesize, s->uvlinesize, s->block[4], i*4+j*32);
- if(cbp & 0x10)
- rv34_add_4x4_block(V + i*4 + j*4*s->uvlinesize, s->uvlinesize, s->block[5], i*4+j*32);
- }
- }
- }else{
- itype = ittrans16[intra_types[0]];
- itype = adjust_pred16(itype, r->avail_cache[6-4], r->avail_cache[6-1]);
- r->h.pred16x16[itype](Y, s->linesize);
- dsp->add_pixels_clamped(s->block[0], Y, s->linesize);
- dsp->add_pixels_clamped(s->block[1], Y + 8, s->linesize);
- Y += s->linesize * 8;
- dsp->add_pixels_clamped(s->block[2], Y, s->linesize);
- dsp->add_pixels_clamped(s->block[3], Y + 8, s->linesize);
-
- itype = ittrans16[intra_types[0]];
- if(itype == PLANE_PRED8x8) itype = DC_PRED8x8;
- itype = adjust_pred16(itype, r->avail_cache[6-4], r->avail_cache[6-1]);
- r->h.pred8x8[itype](U, s->uvlinesize);
- dsp->add_pixels_clamped(s->block[4], U, s->uvlinesize);
- r->h.pred8x8[itype](V, s->uvlinesize);
- dsp->add_pixels_clamped(s->block[5], V, s->uvlinesize);
- }
-}
-
-/** @} */ // recons group
-
-/**
- * @addtogroup bitstream
- * Decode macroblock header and return CBP in case of success, -1 otherwise.
- */
-static int rv34_decode_mb_header(RV34DecContext *r, int8_t *intra_types)
-{
- MpegEncContext *s = &r->s;
- GetBitContext *gb = &s->gb;
- int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
- int i, t;
+ q_ac = rv34_qscale_tab[s->qscale];
+ for(j = 0; j < 4; j++){
+ idx = 9 + j*8;
+ for(i = 0; i < 4; i++, cbp >>= 1, dst += 4, idx++){
+ rv34_pred_4x4_block(r, dst, s->linesize, ittrans[intra_types[i]], avail[idx-8], avail[idx-1], avail[idx+7], avail[idx-7]);
+ avail[idx] = 1;
+ if(!(cbp & 1)) continue;
- if(!r->si.type){
- r->is16 = get_bits1(gb);
- if(!r->is16 && !r->rv30){
- if(!get_bits1(gb))
- av_log(s->avctx, AV_LOG_ERROR, "Need DQUANT\n");
- }
- s->current_picture_ptr->mb_type[mb_pos] = r->is16 ? MB_TYPE_INTRA16x16 : MB_TYPE_INTRA;
- r->block_type = r->is16 ? RV34_MB_TYPE_INTRA16x16 : RV34_MB_TYPE_INTRA;
- }else{
- r->block_type = r->decode_mb_info(r);
- if(r->block_type == -1)
- return -1;
- s->current_picture_ptr->mb_type[mb_pos] = rv34_mb_type_to_lavc[r->block_type];
- r->mb_type[mb_pos] = r->block_type;
- if(r->block_type == RV34_MB_SKIP){
- if(s->pict_type == FF_P_TYPE)
- r->mb_type[mb_pos] = RV34_MB_P_16x16;
- if(s->pict_type == FF_B_TYPE)
- r->mb_type[mb_pos] = RV34_MB_B_DIRECT;
- }
- r->is16 = !!IS_INTRA16x16(s->current_picture_ptr->mb_type[mb_pos]);
- rv34_decode_mv(r, r->block_type);
- if(r->block_type == RV34_MB_SKIP){
- fill_rectangle(intra_types, 4, 4, r->intra_types_stride, 0, sizeof(intra_types[0]));
- return 0;
- }
- r->chroma_vlc = 1;
- r->luma_vlc = 0;
- }
- if(IS_INTRA(s->current_picture_ptr->mb_type[mb_pos])){
- if(r->is16){
- t = get_bits(gb, 2);
- fill_rectangle(intra_types, 4, 4, r->intra_types_stride, t, sizeof(intra_types[0]));
- r->luma_vlc = 2;
- }else{
- if(r->decode_intra_types(r, gb, intra_types) < 0)
- return -1;
- r->luma_vlc = 1;
- }
- r->chroma_vlc = 0;
- r->cur_vlcs = choose_vlc_set(r->si.quant, r->si.vlc_set, 0);
- }else{
- for(i = 0; i < 16; i++)
- intra_types[(i & 3) + (i>>2) * r->intra_types_stride] = 0;
- r->cur_vlcs = choose_vlc_set(r->si.quant, r->si.vlc_set, 1);
- if(r->mb_type[mb_pos] == RV34_MB_P_MIX16x16){
- r->is16 = 1;
- r->chroma_vlc = 1;
- r->luma_vlc = 2;
- r->cur_vlcs = choose_vlc_set(r->si.quant, r->si.vlc_set, 0);
+ rv34_process_block(r, dst, s->linesize,
+ r->luma_vlc, 0, q_ac, q_ac);
}
+ dst += s->linesize * 4 - 4*4;
+ intra_types += r->intra_types_stride;
}
- return rv34_decode_cbp(gb, r->cur_vlcs, r->is16);
-}
+ intra_types -= r->intra_types_stride * 4;
-/**
- * @addtogroup recons
- * @{
- */
-/**
- * mask for retrieving all bits in coded block pattern
- * corresponding to one 8x8 block
- */
-#define LUMA_CBP_BLOCK_MASK 0x33
+ q_dc = rv34_qscale_tab[rv34_chroma_quant[1][s->qscale]];
+ q_ac = rv34_qscale_tab[rv34_chroma_quant[0][s->qscale]];
-#define U_CBP_MASK 0x0F0000
-#define V_CBP_MASK 0xF00000
+ for(k = 0; k < 2; k++){
+ dst = s->dest[1+k];
+ fill_rectangle(r->avail_cache + 6, 2, 2, 4, 0, 4);
+ for(j = 0; j < 2; j++){
+ int* acache = r->avail_cache + 6 + j*4;
+ for(i = 0; i < 2; i++, cbp >>= 1, acache++){
+ int itype = ittrans[intra_types[i*2+j*2*r->intra_types_stride]];
+ rv34_pred_4x4_block(r, dst+4*i, s->uvlinesize, itype, acache[-4], acache[-1], !i && !j, acache[-3]);
+ acache[0] = 1;
-static void rv34_apply_differences(RV34DecContext *r, int cbp)
-{
- static const int shifts[4] = { 0, 2, 8, 10 };
- MpegEncContext *s = &r->s;
- int i;
+ if(!(cbp&1)) continue;
- for(i = 0; i < 4; i++)
- if((cbp & (LUMA_CBP_BLOCK_MASK << shifts[i])) || r->block_type == RV34_MB_P_MIX16x16)
- s->dsp.add_pixels_clamped(s->block[i], s->dest[0] + (i & 1)*8 + (i&2)*4*s->linesize, s->linesize);
- if(cbp & U_CBP_MASK)
- s->dsp.add_pixels_clamped(s->block[4], s->dest[1], s->uvlinesize);
- if(cbp & V_CBP_MASK)
- s->dsp.add_pixels_clamped(s->block[5], s->dest[2], s->uvlinesize);
+ rv34_process_block(r, dst + 4*i, s->uvlinesize,
+ r->chroma_vlc, 1, q_dc, q_ac);
+ }
+
+ dst += 4*s->uvlinesize;
+ }
+ }
}
static int is_mv_diff_gt_3(int16_t (*motion_val)[2], int step)
return hmvmask | vmvmask;
}
-static int rv34_decode_macroblock(RV34DecContext *r, int8_t *intra_types)
+static int rv34_decode_inter_macroblock(RV34DecContext *r, int8_t *intra_types)
{
- MpegEncContext *s = &r->s;
- GetBitContext *gb = &s->gb;
+ MpegEncContext *s = &r->s;
+ GetBitContext *gb = &s->gb;
+ uint8_t *dst = s->dest[0];
+ int16_t *ptr = s->block[0];
+ int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
int cbp, cbp2;
- int i, blknum, blkoff;
- DCTELEM block16[64];
- int luma_dc_quant;
+ int q_dc, q_ac, has_ac;
+ int i, j;
int dist;
- int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
// Calculate which neighbours are available. Maybe it's worth optimizing too.
memset(r->avail_cache, 0, sizeof(r->avail_cache));
r->avail_cache[1] = s->current_picture_ptr->mb_type[mb_pos - s->mb_stride - 1];
s->qscale = r->si.quant;
- cbp = cbp2 = rv34_decode_mb_header(r, intra_types);
+ cbp = cbp2 = rv34_decode_inter_mb_header(r, intra_types);
r->cbp_luma [mb_pos] = cbp;
r->cbp_chroma[mb_pos] = cbp >> 16;
- if(s->pict_type == FF_I_TYPE)
- r->deblock_coefs[mb_pos] = 0xFFFF;
- else
- r->deblock_coefs[mb_pos] = rv34_set_deblock_coef(r) | r->cbp_luma[mb_pos];
+ r->deblock_coefs[mb_pos] = rv34_set_deblock_coef(r) | r->cbp_luma[mb_pos];
s->current_picture_ptr->qscale_table[mb_pos] = s->qscale;
if(cbp == -1)
return -1;
- luma_dc_quant = r->block_type == RV34_MB_P_MIX16x16 ? r->luma_dc_quant_p[s->qscale] : r->luma_dc_quant_i[s->qscale];
+ if (IS_INTRA(s->current_picture_ptr->mb_type[mb_pos])){
+ if(r->is16) rv34_output_i16x16(r, intra_types, cbp);
+ else rv34_output_intra(r, intra_types, cbp);
+ return 0;
+ }
+
if(r->is16){
- memset(block16, 0, sizeof(block16));
- rv34_decode_block(block16, gb, r->cur_vlcs, 3, 0);
- rv34_dequant4x4_16x16(block16, rv34_qscale_tab[luma_dc_quant],rv34_qscale_tab[s->qscale]);
- rv34_inv_transform_noround(block16);
- }
-
- for(i = 0; i < 16; i++, cbp >>= 1){
- if(!r->is16 && !(cbp & 1)) continue;
- blknum = ((i & 2) >> 1) + ((i & 8) >> 2);
- blkoff = ((i & 1) << 2) + ((i & 4) << 3);
- if(cbp & 1)
- rv34_decode_block(s->block[blknum] + blkoff, gb, r->cur_vlcs, r->luma_vlc, 0);
- rv34_dequant4x4(s->block[blknum] + blkoff, rv34_qscale_tab[s->qscale],rv34_qscale_tab[s->qscale]);
- if(r->is16) //FIXME: optimize
- s->block[blknum][blkoff] = block16[(i & 3) | ((i & 0xC) << 1)];
- rv34_inv_transform(s->block[blknum] + blkoff);
- }
- if(r->block_type == RV34_MB_P_MIX16x16)
+ // Only for RV34_MB_P_MIX16x16
+ LOCAL_ALIGNED_16(int16_t, block16, [16]);
+ memset(block16, 0, 16 * sizeof(*block16));
+ q_dc = rv34_qscale_tab[ r->luma_dc_quant_p[s->qscale] ];
+ q_ac = rv34_qscale_tab[s->qscale];
+ if (rv34_decode_block(block16, gb, r->cur_vlcs, 3, 0, q_dc, q_dc, q_ac))
+ r->rdsp.rv34_inv_transform(block16);
+ else
+ r->rdsp.rv34_inv_transform_dc(block16);
+
+ q_ac = rv34_qscale_tab[s->qscale];
+
+ for(j = 0; j < 4; j++){
+ for(i = 0; i < 4; i++, cbp >>= 1){
+ int dc = block16[i + j*4];
+
+ if(cbp & 1){
+ has_ac = rv34_decode_block(ptr, gb, r->cur_vlcs, r->luma_vlc, 0, q_ac, q_ac, q_ac);
+ }else
+ has_ac = 0;
+
+ if(has_ac){
+ ptr[0] = dc;
+ r->rdsp.rv34_idct_add(dst+4*i, s->linesize, ptr);
+ }else
+ r->rdsp.rv34_idct_dc_add(dst+4*i, s->linesize, dc);
+ }
+
+ dst += 4*s->linesize;
+ }
+
r->cur_vlcs = choose_vlc_set(r->si.quant, r->si.vlc_set, 1);
- for(; i < 24; i++, cbp >>= 1){
- if(!(cbp & 1)) continue;
- blknum = ((i & 4) >> 2) + 4;
- blkoff = ((i & 1) << 2) + ((i & 2) << 4);
- rv34_decode_block(s->block[blknum] + blkoff, gb, r->cur_vlcs, r->chroma_vlc, 1);
- rv34_dequant4x4(s->block[blknum] + blkoff, rv34_qscale_tab[rv34_chroma_quant[1][s->qscale]],rv34_qscale_tab[rv34_chroma_quant[0][s->qscale]]);
- rv34_inv_transform(s->block[blknum] + blkoff);
- }
- if(IS_INTRA(s->current_picture_ptr->mb_type[mb_pos]))
- rv34_output_macroblock(r, intra_types, cbp2, r->is16);
- else
- rv34_apply_differences(r, cbp2);
+ }else{
+ q_ac = rv34_qscale_tab[s->qscale];
+
+ for(j = 0; j < 4; j++){
+ for(i = 0; i < 4; i++, cbp >>= 1){
+ if(!(cbp & 1)) continue;
+
+ rv34_process_block(r, dst + 4*i, s->linesize,
+ r->luma_vlc, 0, q_ac, q_ac);
+ }
+ dst += 4*s->linesize;
+ }
+ }
+
+ q_dc = rv34_qscale_tab[rv34_chroma_quant[1][s->qscale]];
+ q_ac = rv34_qscale_tab[rv34_chroma_quant[0][s->qscale]];
+
+ for(j = 1; j < 3; j++){
+ dst = s->dest[j];
+ for(i = 0; i < 4; i++, cbp >>= 1){
+ uint8_t *pdst;
+ if(!(cbp & 1)) continue;
+ pdst = dst + (i&1)*4 + (i&2)*2*s->uvlinesize;
+
+ rv34_process_block(r, pdst, s->uvlinesize,
+ r->chroma_vlc, 1, q_dc, q_ac);
+ }
+ }
return 0;
}
+static int rv34_decode_intra_macroblock(RV34DecContext *r, int8_t *intra_types)
+{
+ MpegEncContext *s = &r->s;
+ int cbp, dist;
+ int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
+
+ // Calculate which neighbours are available. Maybe it's worth optimizing too.
+ memset(r->avail_cache, 0, sizeof(r->avail_cache));
+ fill_rectangle(r->avail_cache + 6, 2, 2, 4, 1, 4);
+ dist = (s->mb_x - s->resync_mb_x) + (s->mb_y - s->resync_mb_y) * s->mb_width;
+ if(s->mb_x && dist)
+ r->avail_cache[5] =
+ r->avail_cache[9] = s->current_picture_ptr->mb_type[mb_pos - 1];
+ if(dist >= s->mb_width)
+ r->avail_cache[2] =
+ r->avail_cache[3] = s->current_picture_ptr->mb_type[mb_pos - s->mb_stride];
+ if(((s->mb_x+1) < s->mb_width) && dist >= s->mb_width - 1)
+ r->avail_cache[4] = s->current_picture_ptr->mb_type[mb_pos - s->mb_stride + 1];
+ if(s->mb_x && dist > s->mb_width)
+ r->avail_cache[1] = s->current_picture_ptr->mb_type[mb_pos - s->mb_stride - 1];
+
+ s->qscale = r->si.quant;
+ cbp = rv34_decode_intra_mb_header(r, intra_types);
+ r->cbp_luma [mb_pos] = cbp;
+ r->cbp_chroma[mb_pos] = cbp >> 16;
+ r->deblock_coefs[mb_pos] = 0xFFFF;
+ s->current_picture_ptr->qscale_table[mb_pos] = s->qscale;
+
+ if(cbp == -1)
+ return -1;
+
+ if(r->is16){
+ rv34_output_i16x16(r, intra_types, cbp);
+ return 0;
+ }
+
+ rv34_output_intra(r, intra_types, cbp);
+ return 0;
+}
+
static int check_slice_end(RV34DecContext *r, MpegEncContext *s)
{
int bits;
return 1;
if(r->s.mb_skip_run > 1)
return 0;
- bits = r->bits - get_bits_count(&s->gb);
+ bits = get_bits_left(&s->gb);
if(bits < 0 || (bits < 8 && !show_bits(&s->gb, bits)))
return 1;
return 0;
}
-static inline int slice_compare(SliceInfo *si1, SliceInfo *si2)
+
+static void rv34_decoder_free(RV34DecContext *r)
+{
+ av_freep(&r->intra_types_hist);
+ r->intra_types = NULL;
+ av_freep(&r->tmp_b_block_base);
+ av_freep(&r->mb_type);
+ av_freep(&r->cbp_luma);
+ av_freep(&r->cbp_chroma);
+ av_freep(&r->deblock_coefs);
+}
+
+
+static int rv34_decoder_alloc(RV34DecContext *r)
+{
+ r->intra_types_stride = r->s.mb_width * 4 + 4;
+
+ r->cbp_chroma = av_malloc(r->s.mb_stride * r->s.mb_height *
+ sizeof(*r->cbp_chroma));
+ r->cbp_luma = av_malloc(r->s.mb_stride * r->s.mb_height *
+ sizeof(*r->cbp_luma));
+ r->deblock_coefs = av_malloc(r->s.mb_stride * r->s.mb_height *
+ sizeof(*r->deblock_coefs));
+ r->intra_types_hist = av_malloc(r->intra_types_stride * 4 * 2 *
+ sizeof(*r->intra_types_hist));
+ r->mb_type = av_mallocz(r->s.mb_stride * r->s.mb_height *
+ sizeof(*r->mb_type));
+
+ if (!(r->cbp_chroma && r->cbp_luma && r->deblock_coefs &&
+ r->intra_types_hist && r->mb_type)) {
+ rv34_decoder_free(r);
+ return AVERROR(ENOMEM);
+ }
+
+ r->intra_types = r->intra_types_hist + r->intra_types_stride * 4;
+
+ return 0;
+}
+
+
+static int rv34_decoder_realloc(RV34DecContext *r)
{
- return si1->type != si2->type ||
- si1->start >= si2->start ||
- si1->width != si2->width ||
- si1->height != si2->height||
- si1->pts != si2->pts;
+ rv34_decoder_free(r);
+ return rv34_decoder_alloc(r);
}
+
static int rv34_decode_slice(RV34DecContext *r, int end, const uint8_t* buf, int buf_size)
{
MpegEncContext *s = &r->s;
GetBitContext *gb = &s->gb;
- int mb_pos;
+ int mb_pos, slice_type;
int res;
init_get_bits(&r->s.gb, buf, buf_size*8);
return -1;
}
- if ((s->mb_x == 0 && s->mb_y == 0) || s->current_picture_ptr==NULL) {
- if(s->width != r->si.width || s->height != r->si.height){
- av_log(s->avctx, AV_LOG_DEBUG, "Changing dimensions to %dx%d\n", r->si.width,r->si.height);
- MPV_common_end(s);
- s->width = r->si.width;
- s->height = r->si.height;
- avcodec_set_dimensions(s->avctx, s->width, s->height);
- if(MPV_common_init(s) < 0)
- return -1;
- r->intra_types_stride = s->mb_width*4 + 4;
- r->intra_types_hist = av_realloc(r->intra_types_hist, r->intra_types_stride * 4 * 2 * sizeof(*r->intra_types_hist));
- r->intra_types = r->intra_types_hist + r->intra_types_stride * 4;
- r->mb_type = av_realloc(r->mb_type, r->s.mb_stride * r->s.mb_height * sizeof(*r->mb_type));
- r->cbp_luma = av_realloc(r->cbp_luma, r->s.mb_stride * r->s.mb_height * sizeof(*r->cbp_luma));
- r->cbp_chroma = av_realloc(r->cbp_chroma, r->s.mb_stride * r->s.mb_height * sizeof(*r->cbp_chroma));
- r->deblock_coefs = av_realloc(r->deblock_coefs, r->s.mb_stride * r->s.mb_height * sizeof(*r->deblock_coefs));
- }
- s->pict_type = r->si.type ? r->si.type : FF_I_TYPE;
- if(MPV_frame_start(s, s->avctx) < 0)
- return -1;
- ff_er_frame_start(s);
- r->cur_pts = r->si.pts;
- if(s->pict_type != FF_B_TYPE){
- r->last_pts = r->next_pts;
- r->next_pts = r->cur_pts;
- }
- s->mb_x = s->mb_y = 0;
+ slice_type = r->si.type ? r->si.type : AV_PICTURE_TYPE_I;
+ if (slice_type != s->pict_type) {
+ av_log(s->avctx, AV_LOG_ERROR, "Slice type mismatch\n");
+ return AVERROR_INVALIDDATA;
}
r->si.end = end;
s->qscale = r->si.quant;
- r->bits = buf_size*8;
s->mb_num_left = r->si.end - r->si.start;
r->s.mb_skip_run = 0;
}
memset(r->intra_types_hist, -1, r->intra_types_stride * 4 * 2 * sizeof(*r->intra_types_hist));
s->first_slice_line = 1;
- s->resync_mb_x= s->mb_x;
- s->resync_mb_y= s->mb_y;
+ s->resync_mb_x = s->mb_x;
+ s->resync_mb_y = s->mb_y;
ff_init_block_index(s);
while(!check_slice_end(r, s)) {
ff_update_block_index(s);
- s->dsp.clear_blocks(s->block[0]);
- if(rv34_decode_macroblock(r, r->intra_types + s->mb_x * 4 + 4) < 0){
- ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, AC_ERROR|DC_ERROR|MV_ERROR);
+ if(r->si.type)
+ res = rv34_decode_inter_macroblock(r, r->intra_types + s->mb_x * 4 + 4);
+ else
+ res = rv34_decode_intra_macroblock(r, r->intra_types + s->mb_x * 4 + 4);
+ if(res < 0){
+ ff_er_add_slice(&s->er, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, ER_MB_ERROR);
return -1;
}
if (++s->mb_x == s->mb_width) {
if(r->loop_filter && s->mb_y >= 2)
r->loop_filter(r, s->mb_y - 2);
+
+ if (HAVE_THREADS && (s->avctx->active_thread_type & FF_THREAD_FRAME))
+ ff_thread_report_progress(&s->current_picture_ptr->tf,
+ s->mb_y - 2, 0);
+
}
if(s->mb_x == s->resync_mb_x)
s->first_slice_line=0;
s->mb_num_left--;
}
- ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, AC_END|DC_END|MV_END);
+ ff_er_add_slice(&s->er, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, ER_MB_END);
return s->mb_y == s->mb_height;
}
{
RV34DecContext *r = avctx->priv_data;
MpegEncContext *s = &r->s;
+ int ret;
- MPV_decode_defaults(s);
- s->avctx= avctx;
+ ff_MPV_decode_defaults(s);
+ s->avctx = avctx;
s->out_format = FMT_H263;
- s->codec_id= avctx->codec_id;
+ s->codec_id = avctx->codec_id;
- s->width = avctx->width;
+ s->width = avctx->width;
s->height = avctx->height;
r->s.avctx = avctx;
avctx->flags |= CODEC_FLAG_EMU_EDGE;
r->s.flags |= CODEC_FLAG_EMU_EDGE;
- avctx->pix_fmt = PIX_FMT_YUV420P;
+ avctx->pix_fmt = AV_PIX_FMT_YUV420P;
avctx->has_b_frames = 1;
s->low_delay = 0;
- if (MPV_common_init(s) < 0)
- return -1;
+ if ((ret = ff_MPV_common_init(s)) < 0)
+ return ret;
- ff_h264_pred_init(&r->h, CODEC_ID_RV40);
+ ff_h264_pred_init(&r->h, AV_CODEC_ID_RV40, 8, 1);
- r->intra_types_stride = 4*s->mb_stride + 4;
- r->intra_types_hist = av_malloc(r->intra_types_stride * 4 * 2 * sizeof(*r->intra_types_hist));
- r->intra_types = r->intra_types_hist + r->intra_types_stride * 4;
-
- r->mb_type = av_mallocz(r->s.mb_stride * r->s.mb_height * sizeof(*r->mb_type));
+#if CONFIG_RV30_DECODER
+ if (avctx->codec_id == AV_CODEC_ID_RV30)
+ ff_rv30dsp_init(&r->rdsp);
+#endif
+#if CONFIG_RV40_DECODER
+ if (avctx->codec_id == AV_CODEC_ID_RV40)
+ ff_rv40dsp_init(&r->rdsp);
+#endif
- r->cbp_luma = av_malloc(r->s.mb_stride * r->s.mb_height * sizeof(*r->cbp_luma));
- r->cbp_chroma = av_malloc(r->s.mb_stride * r->s.mb_height * sizeof(*r->cbp_chroma));
- r->deblock_coefs = av_malloc(r->s.mb_stride * r->s.mb_height * sizeof(*r->deblock_coefs));
+ if ((ret = rv34_decoder_alloc(r)) < 0)
+ return ret;
if(!intra_vlcs[0].cbppattern[0].bits)
rv34_init_tables();
+ avctx->internal->allocate_progress = 1;
+
+ return 0;
+}
+
+int ff_rv34_decode_init_thread_copy(AVCodecContext *avctx)
+{
+ int err;
+ RV34DecContext *r = avctx->priv_data;
+
+ r->s.avctx = avctx;
+
+ if (avctx->internal->is_copy) {
+ r->tmp_b_block_base = NULL;
+ if ((err = ff_MPV_common_init(&r->s)) < 0)
+ return err;
+ if ((err = rv34_decoder_alloc(r)) < 0)
+ return err;
+ }
+
+ return 0;
+}
+
+int ff_rv34_decode_update_thread_context(AVCodecContext *dst, const AVCodecContext *src)
+{
+ RV34DecContext *r = dst->priv_data, *r1 = src->priv_data;
+ MpegEncContext * const s = &r->s, * const s1 = &r1->s;
+ int err;
+
+ if (dst == src || !s1->context_initialized)
+ return 0;
+
+ if (s->height != s1->height || s->width != s1->width) {
+ s->height = s1->height;
+ s->width = s1->width;
+ if ((err = ff_MPV_common_frame_size_change(s)) < 0)
+ return err;
+ if ((err = rv34_decoder_realloc(r)) < 0)
+ return err;
+ }
+
+ if ((err = ff_mpeg_update_thread_context(dst, src)))
+ return err;
+
+ r->cur_pts = r1->cur_pts;
+ r->last_pts = r1->last_pts;
+ r->next_pts = r1->next_pts;
+
+ memset(&r->si, 0, sizeof(r->si));
+
return 0;
}
else return AV_RL32(buf + n*8 - 4) == 1 ? AV_RL32(buf + n*8) : AV_RB32(buf + n*8);
}
+static int finish_frame(AVCodecContext *avctx, AVFrame *pict)
+{
+ RV34DecContext *r = avctx->priv_data;
+ MpegEncContext *s = &r->s;
+ int got_picture = 0, ret;
+
+ ff_er_frame_end(&s->er);
+ ff_MPV_frame_end(s);
+ s->mb_num_left = 0;
+
+ if (HAVE_THREADS && (s->avctx->active_thread_type & FF_THREAD_FRAME))
+ ff_thread_report_progress(&s->current_picture_ptr->tf, INT_MAX, 0);
+
+ if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) {
+ if ((ret = av_frame_ref(pict, &s->current_picture_ptr->f)) < 0)
+ return ret;
+ ff_print_debug_info(s, s->current_picture_ptr);
+ got_picture = 1;
+ } else if (s->last_picture_ptr != NULL) {
+ if ((ret = av_frame_ref(pict, &s->last_picture_ptr->f)) < 0)
+ return ret;
+ ff_print_debug_info(s, s->last_picture_ptr);
+ got_picture = 1;
+ }
+
+ return got_picture;
+}
+
int ff_rv34_decode_frame(AVCodecContext *avctx,
- void *data, int *data_size,
+ void *data, int *got_picture_ptr,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
MpegEncContext *s = &r->s;
AVFrame *pict = data;
SliceInfo si;
- int i;
+ int i, ret;
int slice_count;
const uint8_t *slices_hdr = NULL;
int last = 0;
if (buf_size == 0) {
/* special case for last picture */
if (s->low_delay==0 && s->next_picture_ptr) {
- *pict= *(AVFrame*)s->next_picture_ptr;
- s->next_picture_ptr= NULL;
+ if ((ret = av_frame_ref(pict, &s->next_picture_ptr->f)) < 0)
+ return ret;
+ s->next_picture_ptr = NULL;
- *data_size = sizeof(AVFrame);
+ *got_picture_ptr = 1;
}
return 0;
}
slice_count = (*buf++) + 1;
slices_hdr = buf + 4;
buf += 8 * slice_count;
+ buf_size -= 1 + 8 * slice_count;
}else
slice_count = avctx->slice_count;
//parse first slice header to check whether this frame can be decoded
- if(get_slice_offset(avctx, slices_hdr, 0) > buf_size){
- av_log(avctx, AV_LOG_ERROR, "Slice offset is greater than frame size\n");
- return -1;
+ if(get_slice_offset(avctx, slices_hdr, 0) < 0 ||
+ get_slice_offset(avctx, slices_hdr, 0) > buf_size){
+ av_log(avctx, AV_LOG_ERROR, "Slice offset is invalid\n");
+ return AVERROR_INVALIDDATA;
}
- init_get_bits(&s->gb, buf+get_slice_offset(avctx, slices_hdr, 0), buf_size-get_slice_offset(avctx, slices_hdr, 0));
+ init_get_bits(&s->gb, buf+get_slice_offset(avctx, slices_hdr, 0), (buf_size-get_slice_offset(avctx, slices_hdr, 0))*8);
if(r->parse_slice_header(r, &r->s.gb, &si) < 0 || si.start){
av_log(avctx, AV_LOG_ERROR, "First slice header is incorrect\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
- if((!s->last_picture_ptr || !s->last_picture_ptr->data[0]) && si.type == FF_B_TYPE)
- return -1;
- /* skip b frames if we are in a hurry */
- if(avctx->hurry_up && si.type==FF_B_TYPE) return buf_size;
- if( (avctx->skip_frame >= AVDISCARD_NONREF && si.type==FF_B_TYPE)
- || (avctx->skip_frame >= AVDISCARD_NONKEY && si.type!=FF_I_TYPE)
+ if ((!s->last_picture_ptr || !s->last_picture_ptr->f.data[0]) &&
+ si.type == AV_PICTURE_TYPE_B) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid decoder state: B-frame without "
+ "reference data.\n");
+ return AVERROR_INVALIDDATA;
+ }
+ if( (avctx->skip_frame >= AVDISCARD_NONREF && si.type==AV_PICTURE_TYPE_B)
+ || (avctx->skip_frame >= AVDISCARD_NONKEY && si.type!=AV_PICTURE_TYPE_I)
|| avctx->skip_frame >= AVDISCARD_ALL)
- return buf_size;
- /* skip everything if we are in a hurry>=5 */
- if(avctx->hurry_up>=5)
- return buf_size;
+ return avpkt->size;
+
+ /* first slice */
+ if (si.start == 0) {
+ if (s->mb_num_left > 0) {
+ av_log(avctx, AV_LOG_ERROR, "New frame but still %d MB left.",
+ s->mb_num_left);
+ ff_er_frame_end(&s->er);
+ ff_MPV_frame_end(s);
+ }
+
+ if (s->width != si.width || s->height != si.height) {
+ int err;
+
+ av_log(s->avctx, AV_LOG_WARNING, "Changing dimensions to %dx%d\n",
+ si.width, si.height);
- for(i=0; i<slice_count; i++){
- int offset= get_slice_offset(avctx, slices_hdr, i);
+ s->width = si.width;
+ s->height = si.height;
+ avcodec_set_dimensions(s->avctx, s->width, s->height);
+ if ((err = ff_MPV_common_frame_size_change(s)) < 0)
+ return err;
+ if ((err = rv34_decoder_realloc(r)) < 0)
+ return err;
+ }
+ s->pict_type = si.type ? si.type : AV_PICTURE_TYPE_I;
+ if (ff_MPV_frame_start(s, s->avctx) < 0)
+ return -1;
+ ff_mpeg_er_frame_start(s);
+ if (!r->tmp_b_block_base) {
+ int i;
+
+ r->tmp_b_block_base = av_malloc(s->linesize * 48);
+ for (i = 0; i < 2; i++)
+ r->tmp_b_block_y[i] = r->tmp_b_block_base
+ + i * 16 * s->linesize;
+ for (i = 0; i < 4; i++)
+ r->tmp_b_block_uv[i] = r->tmp_b_block_base + 32 * s->linesize
+ + (i >> 1) * 8 * s->uvlinesize
+ + (i & 1) * 16;
+ }
+ r->cur_pts = si.pts;
+ if (s->pict_type != AV_PICTURE_TYPE_B) {
+ r->last_pts = r->next_pts;
+ r->next_pts = r->cur_pts;
+ } else {
+ int refdist = GET_PTS_DIFF(r->next_pts, r->last_pts);
+ int dist0 = GET_PTS_DIFF(r->cur_pts, r->last_pts);
+ int dist1 = GET_PTS_DIFF(r->next_pts, r->cur_pts);
+
+ if(!refdist){
+ r->mv_weight1 = r->mv_weight2 = r->weight1 = r->weight2 = 8192;
+ r->scaled_weight = 0;
+ }else{
+ r->mv_weight1 = (dist0 << 14) / refdist;
+ r->mv_weight2 = (dist1 << 14) / refdist;
+ if((r->mv_weight1|r->mv_weight2) & 511){
+ r->weight1 = r->mv_weight1;
+ r->weight2 = r->mv_weight2;
+ r->scaled_weight = 0;
+ }else{
+ r->weight1 = r->mv_weight1 >> 9;
+ r->weight2 = r->mv_weight2 >> 9;
+ r->scaled_weight = 1;
+ }
+ }
+ }
+ s->mb_x = s->mb_y = 0;
+ ff_thread_finish_setup(s->avctx);
+ } else if (HAVE_THREADS &&
+ (s->avctx->active_thread_type & FF_THREAD_FRAME)) {
+ av_log(s->avctx, AV_LOG_ERROR, "Decoder needs full frames in frame "
+ "multithreading mode (start MB is %d).\n", si.start);
+ return AVERROR_INVALIDDATA;
+ }
+
+ for(i = 0; i < slice_count; i++){
+ int offset = get_slice_offset(avctx, slices_hdr, i);
int size;
if(i+1 == slice_count)
- size= buf_size - offset;
+ size = buf_size - offset;
else
- size= get_slice_offset(avctx, slices_hdr, i+1) - offset;
+ size = get_slice_offset(avctx, slices_hdr, i+1) - offset;
- if(offset > buf_size){
- av_log(avctx, AV_LOG_ERROR, "Slice offset is greater than frame size\n");
+ if(offset < 0 || offset > buf_size){
+ av_log(avctx, AV_LOG_ERROR, "Slice offset is invalid\n");
break;
}
r->si.end = s->mb_width * s->mb_height;
+ s->mb_num_left = r->s.mb_x + r->s.mb_y*r->s.mb_width - r->si.start;
+
if(i+1 < slice_count){
+ if (get_slice_offset(avctx, slices_hdr, i+1) < 0 ||
+ get_slice_offset(avctx, slices_hdr, i+1) > buf_size) {
+ av_log(avctx, AV_LOG_ERROR, "Slice offset is invalid\n");
+ break;
+ }
init_get_bits(&s->gb, buf+get_slice_offset(avctx, slices_hdr, i+1), (buf_size-get_slice_offset(avctx, slices_hdr, i+1))*8);
if(r->parse_slice_header(r, &r->s.gb, &si) < 0){
if(i+2 < slice_count)
}else
r->si.end = si.start;
}
+ if (size < 0 || size > buf_size - offset) {
+ av_log(avctx, AV_LOG_ERROR, "Slice size is invalid\n");
+ break;
+ }
last = rv34_decode_slice(r, r->si.end, buf + offset, size);
- s->mb_num_left = r->s.mb_x + r->s.mb_y*r->s.mb_width - r->si.start;
if(last)
break;
}
- if(last){
- if(r->loop_filter)
- r->loop_filter(r, s->mb_height - 1);
- ff_er_frame_end(s);
- MPV_frame_end(s);
- if (s->pict_type == FF_B_TYPE || s->low_delay) {
- *pict= *(AVFrame*)s->current_picture_ptr;
- } else if (s->last_picture_ptr != NULL) {
- *pict= *(AVFrame*)s->last_picture_ptr;
- }
-
- if(s->last_picture_ptr || s->low_delay){
- *data_size = sizeof(AVFrame);
- ff_print_debug_info(s, pict);
+ if (s->current_picture_ptr) {
+ if (last) {
+ if(r->loop_filter)
+ r->loop_filter(r, s->mb_height - 1);
+
+ ret = finish_frame(avctx, pict);
+ if (ret < 0)
+ return ret;
+ *got_picture_ptr = ret;
+ } else if (HAVE_THREADS &&
+ (s->avctx->active_thread_type & FF_THREAD_FRAME)) {
+ av_log(avctx, AV_LOG_INFO, "marking unfished frame as finished\n");
+ /* always mark the current frame as finished, frame-mt supports
+ * only complete frames */
+ ff_er_frame_end(&s->er);
+ ff_MPV_frame_end(s);
+ s->mb_num_left = 0;
+ ff_thread_report_progress(&s->current_picture_ptr->tf, INT_MAX, 0);
+ return AVERROR_INVALIDDATA;
}
- s->current_picture_ptr= NULL; //so we can detect if frame_end wasnt called (find some nicer solution...)
}
- return buf_size;
+
+ return avpkt->size;
}
av_cold int ff_rv34_decode_end(AVCodecContext *avctx)
{
RV34DecContext *r = avctx->priv_data;
- MPV_common_end(&r->s);
-
- av_freep(&r->intra_types_hist);
- r->intra_types = NULL;
- av_freep(&r->mb_type);
- av_freep(&r->cbp_luma);
- av_freep(&r->cbp_chroma);
- av_freep(&r->deblock_coefs);
+ ff_MPV_common_end(&r->s);
+ rv34_decoder_free(r);
return 0;
}