/*
- * 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"
61694, 68745, 77615, 89113,100253,109366,126635,141533
};
-
-void ff_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
src = pic->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;
}
src = pic->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;
}
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.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);
}
}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;
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));
}
- 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));
}
if (!IS_INTRA4x4(mb_type)) {
memset(h->intra4x4_pred_mode+h->mb2br_xy[mb_xy], DC_PRED, 8);
}
- if (!IS_SKIP(mb_type) || s->pict_type == FF_B_TYPE) {
+ if (!IS_SKIP(mb_type) || s->pict_type == AV_PICTURE_TYPE_B) {
memset(h->non_zero_count_cache + 8, 0, 4*9*sizeof(uint8_t));
s->dsp.clear_blocks(h->mb);
}
- 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 (IS_INTRA16x16(mb_type)) {
- if (svq3_decode_block(&s->gb, h->mb, 0, 0)){
+ AV_ZERO128(h->mb_luma_dc+0);
+ AV_ZERO128(h->mb_luma_dc+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;
}
unsigned char *extradata;
unsigned int size;
- if(avctx->thread_count > 1){
- av_log(avctx, AV_LOG_ERROR, "SVQ3 does not support multithreaded decoding, patch welcome! (check latest SVN too)\n");
- return -1;
- }
-
if (ff_h264_decode_init(avctx) < 0)
return -1;
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;
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), h->halfpel_flag, h->thirdpel_flag,
s->adaptive_quant, s->qscale, h->slice_num);
}
- /* for hurry_up == 5 */
+ /* for skipping the frame */
s->current_picture.pict_type = s->pict_type;
- s->current_picture.key_frame = (s->pict_type == FF_I_TYPE);
+ s->current_picture.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)
- return 0;
- /* Skip everything if we are in a hurry >= 5. */
- if (avctx->hurry_up >= 5)
+ if (s->last_picture_ptr == NULL && s->pict_type == AV_PICTURE_TYPE_B)
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 (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) {
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)) {
ff_h264_hl_decode_mb (h);
}
- if (s->pict_type != FF_B_TYPE && !s->low_delay) {
+ if (s->pict_type != AV_PICTURE_TYPE_B && !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;
+ (s->pict_type == AV_PICTURE_TYPE_P && mb_type < 8) ? (mb_type - 1) : -1;
}
}
MPV_frame_end(s);
- if (s->pict_type == FF_B_TYPE || s->low_delay) {
+ if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) {
*(AVFrame *) data = *(AVFrame *) &s->current_picture;
} else {
*(AVFrame *) data = *(AVFrame *) &s->last_picture;
}
-AVCodec svq3_decoder = {
+AVCodec ff_svq3_decoder = {
"svq3",
AVMEDIA_TYPE_VIDEO,
CODEC_ID_SVQ3,
projects / ffmpeg / blobdiff