/*
- * Copyright (c) 2003 The FFmpeg Project
+ * Copyright (c) 2003 The Libav Project
*
- * 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
*/
*
* You will know you have these parameters passed correctly when the decoder
* correctly decodes this file:
- * http://samples.mplayerhq.hu/V-codecs/SVQ3/Vertical400kbit.sorenson3.mov
+ * http://samples.libav.org/V-codecs/SVQ3/Vertical400kbit.sorenson3.mov
*/
+#include "internal.h"
+#include "dsputil.h"
+#include "avcodec.h"
+#include "mpegvideo.h"
+#include "h264.h"
+
+#include "h264data.h" //FIXME FIXME FIXME
+
+#include "h264_mvpred.h"
+#include "golomb.h"
+#include "rectangle.h"
+#include "vdpau_internal.h"
#if CONFIG_ZLIB
#include <zlib.h>
#include "svq1.h"
/**
- * @file libavcodec/svq3.c
+ * @file
* svq3 decoder.
*/
+typedef struct {
+ H264Context h;
+ int halfpel_flag;
+ int thirdpel_flag;
+ int unknown_flag;
+ int next_slice_index;
+ uint32_t watermark_key;
+} SVQ3Context;
+
#define FULLPEL_MODE 1
#define HALFPEL_MODE 2
#define THIRDPEL_MODE 3
61694, 68745, 77615, 89113,100253,109366,126635,141533
};
-
-static void svq3_luma_dc_dequant_idct_c(DCTELEM *block, int qp)
-{
+void ff_svq3_luma_dc_dequant_idct_c(DCTELEM *output, DCTELEM *input, int qp){
const int qmul = svq3_dequant_coeff[qp];
#define stride 16
int i;
int temp[16];
- static const int x_offset[4] = {0, 1*stride, 4* stride, 5*stride};
- static const int y_offset[4] = {0, 2*stride, 8* stride, 10*stride};
+ static const uint8_t x_offset[4]={0, 1*stride, 4*stride, 5*stride};
- for (i = 0; i < 4; i++){
- const int offset = y_offset[i];
- const int z0 = 13*(block[offset+stride*0] + block[offset+stride*4]);
- const int z1 = 13*(block[offset+stride*0] - block[offset+stride*4]);
- const int z2 = 7* block[offset+stride*1] - 17*block[offset+stride*5];
- const int z3 = 17* block[offset+stride*1] + 7*block[offset+stride*5];
+ for(i=0; i<4; i++){
+ const int z0 = 13*(input[4*i+0] + input[4*i+2]);
+ const int z1 = 13*(input[4*i+0] - input[4*i+2]);
+ const int z2 = 7* input[4*i+1] - 17*input[4*i+3];
+ const int z3 = 17* input[4*i+1] + 7*input[4*i+3];
temp[4*i+0] = z0+z3;
temp[4*i+1] = z1+z2;
temp[4*i+3] = z0-z3;
}
- for (i = 0; i < 4; i++){
- const int offset = x_offset[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[stride*0 +offset] = ((z0 + z3)*qmul + 0x80000) >> 20;
- block[stride*2 +offset] = ((z1 + z2)*qmul + 0x80000) >> 20;
- block[stride*8 +offset] = ((z1 - z2)*qmul + 0x80000) >> 20;
- block[stride*10+offset] = ((z0 - z3)*qmul + 0x80000) >> 20;
+ for(i=0; i<4; i++){
+ const int offset= x_offset[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];
+
+ output[stride* 0+offset] = ((z0 + z3)*qmul + 0x80000) >> 20;
+ output[stride* 2+offset] = ((z1 + z2)*qmul + 0x80000) >> 20;
+ output[stride* 8+offset] = ((z1 - z2)*qmul + 0x80000) >> 20;
+ output[stride*10+offset] = ((z0 - z3)*qmul + 0x80000) >> 20;
}
}
#undef stride
-static void svq3_add_idct_c(uint8_t *dst, DCTELEM *block, int stride, int qp,
+void ff_svq3_add_idct_c(uint8_t *dst, DCTELEM *block, int stride, int qp,
int dc)
{
const int qmul = svq3_dequant_coeff[qp];
int i;
- uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
if (dc) {
dc = 13*13*((dc == 1) ? 1538*block[0] : ((qmul*(block[0] >> 3)) / 2));
const int z3 = 17* block[i + 4*1] + 7*block[i + 4*3];
const int rr = (dc + 0x80000);
- dst[i + stride*0] = cm[ dst[i + stride*0] + (((z0 + z3)*qmul + rr) >> 20) ];
- dst[i + stride*1] = cm[ dst[i + stride*1] + (((z1 + z2)*qmul + rr) >> 20) ];
- dst[i + stride*2] = cm[ dst[i + stride*2] + (((z1 - z2)*qmul + rr) >> 20) ];
- dst[i + stride*3] = cm[ dst[i + stride*3] + (((z0 - z3)*qmul + rr) >> 20) ];
+ dst[i + stride*0] = av_clip_uint8( dst[i + stride*0] + (((z0 + z3)*qmul + rr) >> 20) );
+ dst[i + stride*1] = av_clip_uint8( dst[i + stride*1] + (((z1 + z2)*qmul + rr) >> 20) );
+ dst[i + stride*2] = av_clip_uint8( dst[i + stride*2] + (((z1 - z2)*qmul + rr) >> 20) );
+ dst[i + stride*3] = av_clip_uint8( dst[i + stride*3] + (((z0 - z3)*qmul + rr) >> 20) );
}
}
}
/* form component predictions */
- dest = s->current_picture.data[0] + x + y*s->linesize;
- src = pic->data[0] + mx + my*s->linesize;
+ dest = s->current_picture.f.data[0] + x + y*s->linesize;
+ src = pic->f.data[0] + mx + my*s->linesize;
if (emu) {
- ff_emulated_edge_mc(s->edge_emu_buffer, src, s->linesize, (width + 1), (height + 1),
+ s->dsp.emulated_edge_mc(s->edge_emu_buffer, src, s->linesize, (width + 1), (height + 1),
mx, my, s->h_edge_pos, s->v_edge_pos);
src = s->edge_emu_buffer;
}
blocksize++;
for (i = 1; i < 3; i++) {
- dest = s->current_picture.data[i] + (x >> 1) + (y >> 1)*s->uvlinesize;
- src = pic->data[i] + mx + my*s->uvlinesize;
+ dest = s->current_picture.f.data[i] + (x >> 1) + (y >> 1) * s->uvlinesize;
+ src = pic->f.data[i] + mx + my * s->uvlinesize;
if (emu) {
- ff_emulated_edge_mc(s->edge_emu_buffer, src, s->uvlinesize, (width + 1), (height + 1),
+ s->dsp.emulated_edge_mc(s->edge_emu_buffer, src, s->uvlinesize, (width + 1), (height + 1),
mx, my, (s->h_edge_pos >> 1), (s->v_edge_pos >> 1));
src = s->edge_emu_buffer;
}
if (mode != PREDICT_MODE) {
pred_motion(h, k, (part_width >> 2), dir, 1, &mx, &my);
} else {
- mx = s->next_picture.motion_val[0][b_xy][0]<<1;
- my = s->next_picture.motion_val[0][b_xy][1]<<1;
+ mx = s->next_picture.f.motion_val[0][b_xy][0] << 1;
+ my = s->next_picture.f.motion_val[0][b_xy][1] << 1;
if (dir == 0) {
mx = ((mx * h->frame_num_offset) / h->prev_frame_num_offset + 1) >> 1;
}
/* write back motion vectors */
- fill_rectangle(s->current_picture.motion_val[dir][b_xy], part_width>>2, part_height>>2, h->b_stride, pack16to32(mx,my), 4);
+ fill_rectangle(s->current_picture.f.motion_val[dir][b_xy],
+ part_width >> 2, part_height >> 2, h->b_stride,
+ pack16to32(mx, my), 4);
}
}
return 0;
}
-static int svq3_decode_mb(H264Context *h, unsigned int mb_type)
+static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type)
{
+ H264Context *h = &svq3->h;
int i, j, k, m, dir, mode;
int cbp = 0;
uint32_t vlc;
h->topright_samples_available = 0xFFFF;
if (mb_type == 0) { /* SKIP */
- if (s->pict_type == FF_P_TYPE || s->next_picture.mb_type[mb_xy] == -1) {
+ if (s->pict_type == AV_PICTURE_TYPE_P || s->next_picture.f.mb_type[mb_xy] == -1) {
svq3_mc_dir_part(s, 16*s->mb_x, 16*s->mb_y, 16, 16, 0, 0, 0, 0, 0, 0);
- if (s->pict_type == FF_B_TYPE) {
+ if (s->pict_type == AV_PICTURE_TYPE_B) {
svq3_mc_dir_part(s, 16*s->mb_x, 16*s->mb_y, 16, 16, 0, 0, 0, 0, 1, 1);
}
mb_type = MB_TYPE_SKIP;
} else {
- mb_type = FFMIN(s->next_picture.mb_type[mb_xy], 6);
+ mb_type = FFMIN(s->next_picture.f.mb_type[mb_xy], 6);
if (svq3_mc_dir(h, mb_type, PREDICT_MODE, 0, 0) < 0)
return -1;
if (svq3_mc_dir(h, mb_type, PREDICT_MODE, 1, 1) < 0)
mb_type = MB_TYPE_16x16;
}
} else if (mb_type < 8) { /* INTER */
- if (h->thirdpel_flag && h->halfpel_flag == !get_bits1 (&s->gb)) {
+ if (svq3->thirdpel_flag && svq3->halfpel_flag == !get_bits1 (&s->gb)) {
mode = THIRDPEL_MODE;
- } else if (h->halfpel_flag && h->thirdpel_flag == !get_bits1 (&s->gb)) {
+ } else if (svq3->halfpel_flag && svq3->thirdpel_flag == !get_bits1 (&s->gb)) {
mode = HALFPEL_MODE;
} else {
mode = FULLPEL_MODE;
*/
for (m = 0; m < 2; m++) {
- if (s->mb_x > 0 && h->intra4x4_pred_mode[mb_xy - 1][0] != -1) {
+ if (s->mb_x > 0 && h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - 1]+6] != -1) {
for (i = 0; i < 4; i++) {
- *(uint32_t *) h->mv_cache[m][scan8[0] - 1 + i*8] = *(uint32_t *) s->current_picture.motion_val[m][b_xy - 1 + i*h->b_stride];
+ *(uint32_t *) h->mv_cache[m][scan8[0] - 1 + i*8] = *(uint32_t *) s->current_picture.f.motion_val[m][b_xy - 1 + i*h->b_stride];
}
} else {
for (i = 0; i < 4; i++) {
}
}
if (s->mb_y > 0) {
- memcpy(h->mv_cache[m][scan8[0] - 1*8], s->current_picture.motion_val[m][b_xy - h->b_stride], 4*2*sizeof(int16_t));
- memset(&h->ref_cache[m][scan8[0] - 1*8], (h->intra4x4_pred_mode[mb_xy - s->mb_stride][4] == -1) ? PART_NOT_AVAILABLE : 1, 4);
+ memcpy(h->mv_cache[m][scan8[0] - 1*8], s->current_picture.f.motion_val[m][b_xy - h->b_stride], 4*2*sizeof(int16_t));
+ memset(&h->ref_cache[m][scan8[0] - 1*8], (h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride]] == -1) ? PART_NOT_AVAILABLE : 1, 4);
if (s->mb_x < (s->mb_width - 1)) {
- *(uint32_t *) h->mv_cache[m][scan8[0] + 4 - 1*8] = *(uint32_t *) s->current_picture.motion_val[m][b_xy - h->b_stride + 4];
+ *(uint32_t *) h->mv_cache[m][scan8[0] + 4 - 1*8] = *(uint32_t *) s->current_picture.f.motion_val[m][b_xy - h->b_stride + 4];
h->ref_cache[m][scan8[0] + 4 - 1*8] =
- (h->intra4x4_pred_mode[mb_xy - s->mb_stride + 1][0] == -1 ||
- h->intra4x4_pred_mode[mb_xy - s->mb_stride ][4] == -1) ? PART_NOT_AVAILABLE : 1;
+ (h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride + 1]+6] == -1 ||
+ h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride ] ] == -1) ? PART_NOT_AVAILABLE : 1;
}else
h->ref_cache[m][scan8[0] + 4 - 1*8] = PART_NOT_AVAILABLE;
if (s->mb_x > 0) {
- *(uint32_t *) h->mv_cache[m][scan8[0] - 1 - 1*8] = *(uint32_t *) s->current_picture.motion_val[m][b_xy - h->b_stride - 1];
- h->ref_cache[m][scan8[0] - 1 - 1*8] = (h->intra4x4_pred_mode[mb_xy - s->mb_stride - 1][3] == -1) ? PART_NOT_AVAILABLE : 1;
+ *(uint32_t *) h->mv_cache[m][scan8[0] - 1 - 1*8] = *(uint32_t *) s->current_picture.f.motion_val[m][b_xy - h->b_stride - 1];
+ h->ref_cache[m][scan8[0] - 1 - 1*8] = (h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride - 1]+3] == -1) ? PART_NOT_AVAILABLE : 1;
}else
h->ref_cache[m][scan8[0] - 1 - 1*8] = PART_NOT_AVAILABLE;
}else
memset(&h->ref_cache[m][scan8[0] - 1*8 - 1], PART_NOT_AVAILABLE, 8);
- if (s->pict_type != FF_B_TYPE)
+ if (s->pict_type != AV_PICTURE_TYPE_B)
break;
}
/* decode motion vector(s) and form prediction(s) */
- if (s->pict_type == FF_P_TYPE) {
+ if (s->pict_type == AV_PICTURE_TYPE_P) {
if (svq3_mc_dir(h, (mb_type - 1), mode, 0, 0) < 0)
return -1;
- } else { /* FF_B_TYPE */
+ } else { /* AV_PICTURE_TYPE_B */
if (mb_type != 2) {
if (svq3_mc_dir(h, 0, mode, 0, 0) < 0)
return -1;
} else {
for (i = 0; i < 4; i++) {
- memset(s->current_picture.motion_val[0][b_xy + i*h->b_stride], 0, 4*2*sizeof(int16_t));
+ memset(s->current_picture.f.motion_val[0][b_xy + i*h->b_stride], 0, 4*2*sizeof(int16_t));
}
}
if (mb_type != 1) {
return -1;
} else {
for (i = 0; i < 4; i++) {
- memset(s->current_picture.motion_val[1][b_xy + i*h->b_stride], 0, 4*2*sizeof(int16_t));
+ memset(s->current_picture.f.motion_val[1][b_xy + i*h->b_stride], 0, 4*2*sizeof(int16_t));
}
}
}
if (mb_type == 8) {
if (s->mb_x > 0) {
for (i = 0; i < 4; i++) {
- h->intra4x4_pred_mode_cache[scan8[0] - 1 + i*8] = h->intra4x4_pred_mode[mb_xy - 1][i];
+ h->intra4x4_pred_mode_cache[scan8[0] - 1 + i*8] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - 1]+6-i];
}
if (h->intra4x4_pred_mode_cache[scan8[0] - 1] == -1) {
h->left_samples_available = 0x5F5F;
}
}
if (s->mb_y > 0) {
- h->intra4x4_pred_mode_cache[4+8*0] = h->intra4x4_pred_mode[mb_xy - s->mb_stride][4];
- h->intra4x4_pred_mode_cache[5+8*0] = h->intra4x4_pred_mode[mb_xy - s->mb_stride][5];
- h->intra4x4_pred_mode_cache[6+8*0] = h->intra4x4_pred_mode[mb_xy - s->mb_stride][6];
- h->intra4x4_pred_mode_cache[7+8*0] = h->intra4x4_pred_mode[mb_xy - s->mb_stride][3];
+ h->intra4x4_pred_mode_cache[4+8*0] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride]+0];
+ h->intra4x4_pred_mode_cache[5+8*0] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride]+1];
+ h->intra4x4_pred_mode_cache[6+8*0] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride]+2];
+ h->intra4x4_pred_mode_cache[7+8*0] = h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride]+3];
if (h->intra4x4_pred_mode_cache[4+8*0] == -1) {
h->top_samples_available = 0x33FF;
write_back_intra_pred_mode(h);
if (mb_type == 8) {
- check_intra4x4_pred_mode(h);
+ ff_h264_check_intra4x4_pred_mode(h);
h->top_samples_available = (s->mb_y == 0) ? 0x33FF : 0xFFFF;
h->left_samples_available = (s->mb_x == 0) ? 0x5F5F : 0xFFFF;
dir = i_mb_type_info[mb_type - 8].pred_mode;
dir = (dir >> 1) ^ 3*(dir & 1) ^ 1;
- if ((h->intra16x16_pred_mode = check_intra_pred_mode(h, dir)) == -1){
+ if ((h->intra16x16_pred_mode = ff_h264_check_intra_pred_mode(h, dir, 0)) == -1){
av_log(h->s.avctx, AV_LOG_ERROR, "check_intra_pred_mode = -1\n");
return -1;
}
mb_type = MB_TYPE_INTRA16x16;
}
- if (!IS_INTER(mb_type) && s->pict_type != FF_I_TYPE) {
+ if (!IS_INTER(mb_type) && s->pict_type != AV_PICTURE_TYPE_I) {
for (i = 0; i < 4; i++) {
- memset(s->current_picture.motion_val[0][b_xy + i*h->b_stride], 0, 4*2*sizeof(int16_t));
+ memset(s->current_picture.f.motion_val[0][b_xy + i*h->b_stride], 0, 4*2*sizeof(int16_t));
}
- if (s->pict_type == FF_B_TYPE) {
+ if (s->pict_type == AV_PICTURE_TYPE_B) {
for (i = 0; i < 4; i++) {
- memset(s->current_picture.motion_val[1][b_xy + i*h->b_stride], 0, 4*2*sizeof(int16_t));
+ memset(s->current_picture.f.motion_val[1][b_xy + i*h->b_stride], 0, 4*2*sizeof(int16_t));
}
}
}
if (!IS_INTRA4x4(mb_type)) {
- memset(h->intra4x4_pred_mode[mb_xy], DC_PRED, 8);
+ memset(h->intra4x4_pred_mode+h->mb2br_xy[mb_xy], DC_PRED, 8);
}
- if (!IS_SKIP(mb_type) || s->pict_type == FF_B_TYPE) {
- memset(h->non_zero_count_cache + 8, 0, 4*9*sizeof(uint8_t));
- s->dsp.clear_blocks(h->mb);
+ if (!IS_SKIP(mb_type) || s->pict_type == AV_PICTURE_TYPE_B) {
+ memset(h->non_zero_count_cache + 8, 0, 14*8*sizeof(uint8_t));
+ s->dsp.clear_blocks(h->mb+ 0);
+ s->dsp.clear_blocks(h->mb+384);
}
- if (!IS_INTRA16x16(mb_type) && (!IS_SKIP(mb_type) || s->pict_type == FF_B_TYPE)) {
+ if (!IS_INTRA16x16(mb_type) && (!IS_SKIP(mb_type) || s->pict_type == AV_PICTURE_TYPE_B)) {
if ((vlc = svq3_get_ue_golomb(&s->gb)) >= 48){
av_log(h->s.avctx, AV_LOG_ERROR, "cbp_vlc=%d\n", vlc);
return -1;
cbp = IS_INTRA(mb_type) ? golomb_to_intra4x4_cbp[vlc] : golomb_to_inter_cbp[vlc];
}
- if (IS_INTRA16x16(mb_type) || (s->pict_type != FF_I_TYPE && s->adaptive_quant && cbp)) {
+ if (IS_INTRA16x16(mb_type) || (s->pict_type != AV_PICTURE_TYPE_I && s->adaptive_quant && cbp)) {
s->qscale += svq3_get_se_golomb(&s->gb);
- if (s->qscale > 31){
+ if (s->qscale > 31u){
av_log(h->s.avctx, AV_LOG_ERROR, "qscale:%d\n", s->qscale);
return -1;
}
}
if (IS_INTRA16x16(mb_type)) {
- if (svq3_decode_block(&s->gb, h->mb, 0, 0)){
+ AV_ZERO128(h->mb_luma_dc[0]+0);
+ AV_ZERO128(h->mb_luma_dc[0]+8);
+ if (svq3_decode_block(&s->gb, h->mb_luma_dc, 0, 1)){
av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding intra luma dc\n");
return -1;
}
}
if ((cbp & 0x30)) {
- for (i = 0; i < 2; ++i) {
- if (svq3_decode_block(&s->gb, &h->mb[16*(16 + 4*i)], 0, 3)){
+ for (i = 1; i < 3; ++i) {
+ if (svq3_decode_block(&s->gb, &h->mb[16*16*i], 0, 3)){
av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding chroma dc block\n");
return -1;
}
}
if ((cbp & 0x20)) {
- for (i = 0; i < 8; i++) {
- h->non_zero_count_cache[ scan8[16+i] ] = 1;
-
- if (svq3_decode_block(&s->gb, &h->mb[16*(16 + i)], 1, 1)){
- av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding chroma ac block\n");
- return -1;
+ for (i = 1; i < 3; i++) {
+ for (j = 0; j < 4; j++) {
+ k = 16*i + j;
+ h->non_zero_count_cache[ scan8[k] ] = 1;
+
+ if (svq3_decode_block(&s->gb, &h->mb[16*k], 1, 1)){
+ av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding chroma ac block\n");
+ return -1;
+ }
}
}
}
}
h->cbp= cbp;
- s->current_picture.mb_type[mb_xy] = mb_type;
+ s->current_picture.f.mb_type[mb_xy] = mb_type;
if (IS_INTRA(mb_type)) {
- h->chroma_pred_mode = check_intra_pred_mode(h, DC_PRED8x8);
+ h->chroma_pred_mode = ff_h264_check_intra_pred_mode(h, DC_PRED8x8, 1);
}
return 0;
}
-static int svq3_decode_slice_header(H264Context *h)
+static int svq3_decode_slice_header(AVCodecContext *avctx)
{
- MpegEncContext *const s = (MpegEncContext *) h;
+ SVQ3Context *svq3 = avctx->priv_data;
+ H264Context *h = &svq3->h;
+ MpegEncContext *s = &h->s;
const int mb_xy = h->mb_xy;
int i, header;
if (((header & 0x9F) != 1 && (header & 0x9F) != 2) || (header & 0x60) == 0) {
/* TODO: what? */
- av_log(h->s.avctx, AV_LOG_ERROR, "unsupported slice header (%02X)\n", header);
+ av_log(avctx, AV_LOG_ERROR, "unsupported slice header (%02X)\n", header);
return -1;
} else {
int length = (header >> 5) & 3;
- h->next_slice_index = get_bits_count(&s->gb) + 8*show_bits(&s->gb, 8*length) + 8*length;
+ svq3->next_slice_index = get_bits_count(&s->gb) + 8*show_bits(&s->gb, 8*length) + 8*length;
- if (h->next_slice_index > s->gb.size_in_bits) {
- av_log(h->s.avctx, AV_LOG_ERROR, "slice after bitstream end\n");
+ if (svq3->next_slice_index > s->gb.size_in_bits) {
+ av_log(avctx, AV_LOG_ERROR, "slice after bitstream end\n");
return -1;
}
- s->gb.size_in_bits = h->next_slice_index - 8*(length - 1);
+ s->gb.size_in_bits = svq3->next_slice_index - 8*(length - 1);
skip_bits(&s->gb, 8);
- if (h->svq3_watermark_key) {
+ if (svq3->watermark_key) {
uint32_t header = AV_RL32(&s->gb.buffer[(get_bits_count(&s->gb)>>3)+1]);
- AV_WL32(&s->gb.buffer[(get_bits_count(&s->gb)>>3)+1], header ^ h->svq3_watermark_key);
+ AV_WL32(&s->gb.buffer[(get_bits_count(&s->gb)>>3)+1], header ^ svq3->watermark_key);
}
if (length > 0) {
memcpy((uint8_t *) &s->gb.buffer[get_bits_count(&s->gb) >> 3],
/* unknown fields */
skip_bits1(&s->gb);
- if (h->unknown_svq3_flag) {
+ if (svq3->unknown_flag) {
skip_bits1(&s->gb);
}
/* reset intra predictors and invalidate motion vector references */
if (s->mb_x > 0) {
- memset(h->intra4x4_pred_mode[mb_xy - 1], -1, 4*sizeof(int8_t));
- memset(h->intra4x4_pred_mode[mb_xy - s->mb_x], -1, 8*sizeof(int8_t)*s->mb_x);
+ memset(h->intra4x4_pred_mode+h->mb2br_xy[mb_xy - 1 ]+3, -1, 4*sizeof(int8_t));
+ memset(h->intra4x4_pred_mode+h->mb2br_xy[mb_xy - s->mb_x] , -1, 8*sizeof(int8_t)*s->mb_x);
}
if (s->mb_y > 0) {
- memset(h->intra4x4_pred_mode[mb_xy - s->mb_stride], -1, 8*sizeof(int8_t)*(s->mb_width - s->mb_x));
+ memset(h->intra4x4_pred_mode+h->mb2br_xy[mb_xy - s->mb_stride], -1, 8*sizeof(int8_t)*(s->mb_width - s->mb_x));
if (s->mb_x > 0) {
- h->intra4x4_pred_mode[mb_xy - s->mb_stride - 1][3] = -1;
+ h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride - 1]+3] = -1;
}
}
static av_cold int svq3_decode_init(AVCodecContext *avctx)
{
- MpegEncContext *const s = avctx->priv_data;
- H264Context *const h = avctx->priv_data;
+ SVQ3Context *svq3 = avctx->priv_data;
+ H264Context *h = &svq3->h;
+ MpegEncContext *s = &h->s;
int m;
unsigned char *extradata;
+ unsigned char *extradata_end;
unsigned int size;
+ int marker_found = 0;
- if (decode_init(avctx) < 0)
+ if (ff_h264_decode_init(avctx) < 0)
return -1;
s->flags = avctx->flags;
s->flags2 = avctx->flags2;
s->unrestricted_mv = 1;
h->is_complex=1;
+ avctx->pix_fmt = avctx->codec->pix_fmts[0];
if (!s->context_initialized) {
- s->width = avctx->width;
- s->height = avctx->height;
- h->halfpel_flag = 1;
- h->thirdpel_flag = 1;
- h->unknown_svq3_flag = 0;
- h->chroma_qp[0] = h->chroma_qp[1] = 4;
-
- if (MPV_common_init(s) < 0)
- return -1;
-
- h->b_stride = 4*s->mb_width;
+ h->chroma_qp[0] = h->chroma_qp[1] = 4;
- alloc_tables(h);
+ svq3->halfpel_flag = 1;
+ svq3->thirdpel_flag = 1;
+ svq3->unknown_flag = 0;
/* prowl for the "SEQH" marker in the extradata */
extradata = (unsigned char *)avctx->extradata;
- for (m = 0; m < avctx->extradata_size; m++) {
- if (!memcmp(extradata, "SEQH", 4))
- break;
- extradata++;
+ extradata_end = avctx->extradata + avctx->extradata_size;
+ if (extradata) {
+ for (m = 0; m + 8 < avctx->extradata_size; m++) {
+ if (!memcmp(extradata, "SEQH", 4)) {
+ marker_found = 1;
+ break;
+ }
+ extradata++;
+ }
}
/* if a match was found, parse the extra data */
- if (extradata && !memcmp(extradata, "SEQH", 4)) {
+ if (marker_found) {
GetBitContext gb;
+ int frame_size_code;
size = AV_RB32(&extradata[4]);
+ if (size > extradata_end - extradata - 8)
+ return AVERROR_INVALIDDATA;
init_get_bits(&gb, extradata + 8, size*8);
/* 'frame size code' and optional 'width, height' */
- if (get_bits(&gb, 3) == 7) {
- skip_bits(&gb, 12);
- skip_bits(&gb, 12);
+ frame_size_code = get_bits(&gb, 3);
+ switch (frame_size_code) {
+ case 0: avctx->width = 160; avctx->height = 120; break;
+ case 1: avctx->width = 128; avctx->height = 96; break;
+ case 2: avctx->width = 176; avctx->height = 144; break;
+ case 3: avctx->width = 352; avctx->height = 288; break;
+ case 4: avctx->width = 704; avctx->height = 576; break;
+ case 5: avctx->width = 240; avctx->height = 180; break;
+ case 6: avctx->width = 320; avctx->height = 240; break;
+ case 7:
+ avctx->width = get_bits(&gb, 12);
+ avctx->height = get_bits(&gb, 12);
+ break;
}
- h->halfpel_flag = get_bits1(&gb);
- h->thirdpel_flag = get_bits1(&gb);
+ svq3->halfpel_flag = get_bits1(&gb);
+ svq3->thirdpel_flag = get_bits1(&gb);
/* unknown fields */
skip_bits1(&gb);
skip_bits(&gb, 8);
}
- h->unknown_svq3_flag = get_bits1(&gb);
+ svq3->unknown_flag = get_bits1(&gb);
avctx->has_b_frames = !s->low_delay;
- if (h->unknown_svq3_flag) {
+ if (svq3->unknown_flag) {
#if CONFIG_ZLIB
unsigned watermark_width = svq3_get_ue_golomb(&gb);
unsigned watermark_height = svq3_get_ue_golomb(&gb);
int u2 = get_bits(&gb, 8);
int u3 = get_bits(&gb, 2);
int u4 = svq3_get_ue_golomb(&gb);
- unsigned buf_len = watermark_width*watermark_height*4;
+ unsigned long buf_len = watermark_width*watermark_height*4;
int offset = (get_bits_count(&gb)+7)>>3;
uint8_t *buf;
buf = av_malloc(buf_len);
av_log(avctx, AV_LOG_DEBUG, "watermark size: %dx%d\n", watermark_width, watermark_height);
av_log(avctx, AV_LOG_DEBUG, "u1: %x u2: %x u3: %x compressed data size: %d offset: %d\n", u1, u2, u3, u4, offset);
- if (uncompress(buf, (uLong*)&buf_len, extradata + 8 + offset, size - offset) != Z_OK) {
+ if (uncompress(buf, &buf_len, extradata + 8 + offset, size - offset) != Z_OK) {
av_log(avctx, AV_LOG_ERROR, "could not uncompress watermark logo\n");
av_free(buf);
return -1;
}
- h->svq3_watermark_key = ff_svq1_packet_checksum(buf, buf_len, 0);
- h->svq3_watermark_key = h->svq3_watermark_key << 16 | h->svq3_watermark_key;
- av_log(avctx, AV_LOG_DEBUG, "watermark key %#x\n", h->svq3_watermark_key);
+ svq3->watermark_key = ff_svq1_packet_checksum(buf, buf_len, 0);
+ svq3->watermark_key = svq3->watermark_key << 16 | svq3->watermark_key;
+ av_log(avctx, AV_LOG_DEBUG, "watermark key %#x\n", svq3->watermark_key);
av_free(buf);
#else
av_log(avctx, AV_LOG_ERROR, "this svq3 file contains watermark which need zlib support compiled in\n");
#endif
}
}
+
+ s->width = avctx->width;
+ s->height = avctx->height;
+
+ if (ff_MPV_common_init(s) < 0)
+ return -1;
+
+ h->b_stride = 4*s->mb_width;
+
+ if (ff_h264_alloc_tables(h) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "svq3 memory allocation failed\n");
+ return AVERROR(ENOMEM);
+ }
}
return 0;
static int svq3_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
- const uint8_t *buf, int buf_size)
+ AVPacket *avpkt)
{
- MpegEncContext *const s = avctx->priv_data;
- H264Context *const h = avctx->priv_data;
+ const uint8_t *buf = avpkt->data;
+ SVQ3Context *svq3 = avctx->priv_data;
+ H264Context *h = &svq3->h;
+ MpegEncContext *s = &h->s;
+ int buf_size = avpkt->size;
int m, mb_type;
/* special case for last picture */
if (buf_size == 0) {
if (s->next_picture_ptr && !s->low_delay) {
- *(AVFrame *) data = *(AVFrame *) &s->next_picture;
+ *(AVFrame *) data = s->next_picture.f;
s->next_picture_ptr = NULL;
*data_size = sizeof(AVFrame);
}
s->mb_x = s->mb_y = h->mb_xy = 0;
- if (svq3_decode_slice_header(h))
+ if (svq3_decode_slice_header(avctx))
return -1;
s->pict_type = h->slice_type;
if (avctx->debug&FF_DEBUG_PICT_INFO){
av_log(h->s.avctx, AV_LOG_DEBUG, "%c hpel:%d, tpel:%d aqp:%d qp:%d, slice_num:%02X\n",
- av_get_pict_type_char(s->pict_type), h->halfpel_flag, h->thirdpel_flag,
+ av_get_picture_type_char(s->pict_type), svq3->halfpel_flag, svq3->thirdpel_flag,
s->adaptive_quant, s->qscale, h->slice_num);
}
- /* for hurry_up == 5 */
- s->current_picture.pict_type = s->pict_type;
- s->current_picture.key_frame = (s->pict_type == FF_I_TYPE);
+ /* for skipping the frame */
+ s->current_picture.f.pict_type = s->pict_type;
+ s->current_picture.f.key_frame = (s->pict_type == AV_PICTURE_TYPE_I);
/* Skip B-frames if we do not have reference frames. */
- if (s->last_picture_ptr == NULL && s->pict_type == FF_B_TYPE)
- return 0;
- /* Skip B-frames if we are in a hurry. */
- if (avctx->hurry_up && s->pict_type == FF_B_TYPE)
+ if (s->last_picture_ptr == NULL && s->pict_type == AV_PICTURE_TYPE_B)
return 0;
- /* Skip everything if we are in a hurry >= 5. */
- if (avctx->hurry_up >= 5)
- return 0;
- if ( (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type == FF_B_TYPE)
- ||(avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type != FF_I_TYPE)
+ if ( (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type == AV_PICTURE_TYPE_B)
+ ||(avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type != AV_PICTURE_TYPE_I)
|| avctx->skip_frame >= AVDISCARD_ALL)
return 0;
if (s->next_p_frame_damaged) {
- if (s->pict_type == FF_B_TYPE)
+ if (s->pict_type == AV_PICTURE_TYPE_B)
return 0;
else
s->next_p_frame_damaged = 0;
}
- if (frame_start(h) < 0)
+ if (ff_h264_frame_start(h) < 0)
return -1;
- if (s->pict_type == FF_B_TYPE) {
+ if (s->pict_type == AV_PICTURE_TYPE_B) {
h->frame_num_offset = (h->slice_num - h->prev_frame_num);
if (h->frame_num_offset < 0) {
if ( (get_bits_count(&s->gb) + 7) >= s->gb.size_in_bits &&
((get_bits_count(&s->gb) & 7) == 0 || show_bits(&s->gb, (-get_bits_count(&s->gb) & 7)) == 0)) {
- skip_bits(&s->gb, h->next_slice_index - get_bits_count(&s->gb));
+ skip_bits(&s->gb, svq3->next_slice_index - get_bits_count(&s->gb));
s->gb.size_in_bits = 8*buf_size;
- if (svq3_decode_slice_header(h))
+ if (svq3_decode_slice_header(avctx))
return -1;
/* TODO: support s->mb_skip_run */
mb_type = svq3_get_ue_golomb(&s->gb);
- if (s->pict_type == FF_I_TYPE) {
+ if (s->pict_type == AV_PICTURE_TYPE_I) {
mb_type += 8;
- } else if (s->pict_type == FF_B_TYPE && mb_type >= 4) {
+ } else if (s->pict_type == AV_PICTURE_TYPE_B && mb_type >= 4) {
mb_type += 4;
}
- if (mb_type > 33 || svq3_decode_mb(h, mb_type)) {
+ if ((unsigned)mb_type > 33 || svq3_decode_mb(svq3, mb_type)) {
av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding MB %d %d\n", s->mb_x, s->mb_y);
return -1;
}
if (mb_type != 0) {
- hl_decode_mb (h);
+ ff_h264_hl_decode_mb (h);
}
- if (s->pict_type != FF_B_TYPE && !s->low_delay) {
- s->current_picture.mb_type[s->mb_x + s->mb_y*s->mb_stride] =
- (s->pict_type == FF_P_TYPE && mb_type < 8) ? (mb_type - 1) : -1;
+ if (s->pict_type != AV_PICTURE_TYPE_B && !s->low_delay) {
+ s->current_picture.f.mb_type[s->mb_x + s->mb_y * s->mb_stride] =
+ (s->pict_type == AV_PICTURE_TYPE_P && mb_type < 8) ? (mb_type - 1) : -1;
}
}
ff_draw_horiz_band(s, 16*s->mb_y, 16);
}
- MPV_frame_end(s);
+ ff_MPV_frame_end(s);
- if (s->pict_type == FF_B_TYPE || s->low_delay) {
- *(AVFrame *) data = *(AVFrame *) &s->current_picture;
+ if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) {
+ *(AVFrame *) data = s->current_picture.f;
} else {
- *(AVFrame *) data = *(AVFrame *) &s->last_picture;
+ *(AVFrame *) data = s->last_picture.f;
}
- avctx->frame_number = s->picture_number - 1;
-
/* Do not output the last pic after seeking. */
if (s->last_picture_ptr || s->low_delay) {
*data_size = sizeof(AVFrame);
return buf_size;
}
+static int svq3_decode_end(AVCodecContext *avctx)
+{
+ SVQ3Context *svq3 = avctx->priv_data;
+ H264Context *h = &svq3->h;
+ MpegEncContext *s = &h->s;
+
+ ff_h264_free_context(h);
+
+ ff_MPV_common_end(s);
+
+ return 0;
+}
-AVCodec svq3_decoder = {
- "svq3",
- CODEC_TYPE_VIDEO,
- CODEC_ID_SVQ3,
- sizeof(H264Context),
- svq3_decode_init,
- NULL,
- decode_end,
- svq3_decode_frame,
- CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_DELAY,
- .long_name = NULL_IF_CONFIG_SMALL("Sorenson Vector Quantizer 3"),
- .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_NONE},
+AVCodec ff_svq3_decoder = {
+ .name = "svq3",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = CODEC_ID_SVQ3,
+ .priv_data_size = sizeof(SVQ3Context),
+ .init = svq3_decode_init,
+ .close = svq3_decode_end,
+ .decode = svq3_decode_frame,
+ .capabilities = CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 |
+ CODEC_CAP_DELAY,
+ .long_name = NULL_IF_CONFIG_SMALL("Sorenson Vector Quantizer 3 / Sorenson Video 3 / SVQ3"),
+ .pix_fmts = (const enum PixelFormat[]){ PIX_FMT_YUVJ420P, PIX_FMT_NONE },
};
projects / ffmpeg / blobdiff