/*
- * Copyright (c) 2002 The FFmpeg Project.
+ * Copyright (c) 2002 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
*/
#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
+#include "h263.h"
+#include "mathops.h"
#include "msmpeg4.h"
#include "msmpeg4data.h"
#include "intrax8.h"
if(s->avctx->extradata_size<4) return -1;
- init_get_bits(&gb, s->avctx->extradata, s->avctx->extradata_size*8);
+ init_get_bits(&gb, s->avctx->extradata, 32);
fps = get_bits(&gb, 5);
s->bit_rate = get_bits(&gb, 11)*1024;
Wmv2Context * const w= (Wmv2Context*)s;
int code;
-#if 0
-{
-int i;
-for(i=0; i<s->gb.size*8; i++)
- printf("%d", get_bits1(&s->gb));
-// get_bits1(&s->gb);
-printf("END\n");
-return -1;
-}
-#endif
if(s->picture_number==0)
decode_ext_header(w);
s->pict_type = get_bits1(&s->gb) + 1;
- if(s->pict_type == I_TYPE){
+ if(s->pict_type == AV_PICTURE_TYPE_I){
code = get_bits(&s->gb, 7);
av_log(s->avctx, AV_LOG_DEBUG, "I7:%X/\n", code);
}
s->chroma_qscale= s->qscale = get_bits(&s->gb, 5);
- if(s->qscale < 0)
+ if(s->qscale <= 0)
return -1;
return 0;
{
Wmv2Context * const w= (Wmv2Context*)s;
- if (s->pict_type == I_TYPE) {
+ if (s->pict_type == AV_PICTURE_TYPE_I) {
if(w->j_type_bit) w->j_type= get_bits1(&s->gb);
else w->j_type= 0; //FIXME check
if(w->per_block_abt)
w->abt_type= decode012(&s->gb);
-#if 0
- if(w->per_block_abt)
- printf("B%d", w->abt_type);
-#endif
w->abt_type_table[n]= w->abt_type;
if(w->abt_type){
if(w->j_type) return 0;
- if (s->pict_type == P_TYPE) {
+ if (s->pict_type == AV_PICTURE_TYPE_P) {
if(IS_SKIP(s->current_picture.mb_type[s->mb_y * s->mb_stride + s->mb_x])){
/* skip mb */
s->mb_intra = 0;
}
}
} else {
-//if(s->pict_type==P_TYPE)
+//if(s->pict_type==AV_PICTURE_TYPE_P)
// printf("%d%d ", s->inter_intra_pred, cbp);
//printf("I at %d %d %d %06X\n", s->mb_x, s->mb_y, ((cbp&3)? 1 : 0) +((cbp&0x3C)? 2 : 0), show_bits(&s->gb, 24));
s->ac_pred = get_bits1(&s->gb);
return 0;
}
-static int wmv2_decode_init(AVCodecContext *avctx){
+static av_cold int wmv2_decode_init(AVCodecContext *avctx){
Wmv2Context * const w= avctx->priv_data;
if(avctx->idct_algo==FF_IDCT_AUTO){
avctx->idct_algo=FF_IDCT_WMV2;
}
- if(ff_h263_decode_init(avctx) < 0)
+ if(ff_msmpeg4_decode_init(avctx) < 0)
return -1;
ff_wmv2_common_init(w);
return 0;
}
-AVCodec wmv2_decoder = {
+static av_cold int wmv2_decode_end(AVCodecContext *avctx)
+{
+ Wmv2Context *w = avctx->priv_data;
+
+ ff_intrax8_common_end(&w->x8);
+ return ff_h263_decode_end(avctx);
+}
+
+AVCodec ff_wmv2_decoder = {
"wmv2",
- CODEC_TYPE_VIDEO,
+ AVMEDIA_TYPE_VIDEO,
CODEC_ID_WMV2,
sizeof(Wmv2Context),
wmv2_decode_init,
NULL,
- ff_h263_decode_end,
+ wmv2_decode_end,
ff_h263_decode_frame,
CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1,
+ .max_lowres = 3,
+ .long_name = NULL_IF_CONFIG_SMALL("Windows Media Video 8"),
+ .pix_fmts= ff_pixfmt_list_420,
};