/*
- * Copyright (c) 2003 The Libav Project
+ * Copyright (c) 2003 The FFmpeg Project
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg 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.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; 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.libav.org/V-codecs/SVQ3/Vertical400kbit.sorenson3.mov
+ * http://samples.mplayerhq.hu/V-codecs/SVQ3/Vertical400kbit.sorenson3.mov
*/
#include "internal.h"
#include "dsputil.h"
int unknown_flag;
int next_slice_index;
uint32_t watermark_key;
+ uint8_t *buf;
+ int buf_size;
} SVQ3Context;
#define FULLPEL_MODE 1
{
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) );
}
}
for (limit = (16 >> intra); index < 16; index = limit, limit += 8) {
for (; (vlc = svq3_get_ue_golomb(gb)) != 0; index++) {
- if (vlc == INVALID_VLC)
+ if (vlc < 0)
return -1;
sign = (vlc & 0x1) - 1;
level = ((vlc + 9) >> 2) - run;
}
} else {
- if (vlc < 16) {
+ if (vlc < 16U) {
run = svq3_dct_tables[intra][vlc].run;
level = svq3_dct_tables[intra][vlc].level;
} else if (intra) {
for (i = 0; i < 16; i+=2) {
vlc = svq3_get_ue_golomb(&s->gb);
- if (vlc >= 25){
+ if (vlc >= 25U){
av_log(h->s.avctx, AV_LOG_ERROR, "luma prediction:%d\n", vlc);
return -1;
}
}
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){
+ if ((vlc = svq3_get_ue_golomb(&s->gb)) >= 48U){
av_log(h->s.avctx, AV_LOG_ERROR, "cbp_vlc=%d\n", vlc);
return -1;
}
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)) {
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)){
+ 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;
}
skip_bits_long(&s->gb, 0);
}
- if ((i = svq3_get_ue_golomb(&s->gb)) == INVALID_VLC || i >= 3){
+ if ((i = svq3_get_ue_golomb(&s->gb)) >= 3U){
av_log(h->s.avctx, AV_LOG_ERROR, "illegal slice type %d \n", i);
return -1;
}
s->flags2 = avctx->flags2;
s->unrestricted_mv = 1;
h->is_complex=1;
+ h->sps.chroma_format_idc = 1;
avctx->pix_fmt = avctx->codec->pix_fmts[0];
if (!s->context_initialized) {
svq3->thirdpel_flag = 1;
svq3->unknown_flag = 0;
+
/* prowl for the "SEQH" marker in the extradata */
extradata = (unsigned char *)avctx->extradata;
extradata_end = avctx->extradata + avctx->extradata_size;
int offset = (get_bits_count(&gb)+7)>>3;
uint8_t *buf;
- if ((uint64_t)watermark_width*4 > UINT_MAX/watermark_height)
+ if (watermark_height<=0 || (uint64_t)watermark_width*4 > UINT_MAX/watermark_height)
return -1;
buf = av_malloc(buf_len);
void *data, int *data_size,
AVPacket *avpkt)
{
- 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;
+ int m, mb_type, left;
+ uint8_t *buf;
/* special case for last picture */
if (buf_size == 0) {
return 0;
}
- init_get_bits (&s->gb, buf, 8*buf_size);
-
s->mb_x = s->mb_y = h->mb_xy = 0;
+ if (svq3->watermark_key) {
+ av_fast_malloc(&svq3->buf, &svq3->buf_size,
+ buf_size+FF_INPUT_BUFFER_PADDING_SIZE);
+ if (!svq3->buf)
+ return AVERROR(ENOMEM);
+ memcpy(svq3->buf, avpkt->data, buf_size);
+ buf = svq3->buf;
+ } else {
+ buf = avpkt->data;
+ }
+
+ init_get_bits(&s->gb, buf, 8*buf_size);
+
if (svq3_decode_slice_header(avctx))
return -1;
ff_draw_horiz_band(s, 16*s->mb_y, 16);
}
+ left = buf_size*8 - get_bits_count(&s->gb);
+
+ if (s->mb_y != s->mb_height || s->mb_x != s->mb_width) {
+ av_log(avctx, AV_LOG_INFO, "frame num %d incomplete pic x %d y %d left %d\n", avctx->frame_number, s->mb_y, s->mb_x, left);
+ //av_hex_dump(stderr, buf+buf_size-8, 8);
+ }
+
+ if (left < 0) {
+ av_log(avctx, AV_LOG_ERROR, "frame num %d left %d\n", avctx->frame_number, left);
+ return -1;
+ }
+
ff_MPV_frame_end(s);
if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) {
ff_MPV_common_end(s);
+ av_freep(&svq3->buf);
+ svq3->buf_size = 0;
+
return 0;
}
.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},
+ .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