* Copyright (c) 2000,2001 Fabrice Bellard.
* Copyright (c) 2002-2004 Michael Niedermayer
*
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * 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 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library 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 this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
pb_frame = get_bits(&s->gb, 1);
#ifdef DEBUG
- printf("pict_type=%d pb_frame=%d\n", s->pict_type, pb_frame);
+ av_log(s->avctx, AV_LOG_DEBUG, "pict_type=%d pb_frame=%d\n", s->pict_type, pb_frame);
#endif
if (pb_frame){
s->last_dc[1] = get_bits(&s->gb, 8);
s->last_dc[2] = get_bits(&s->gb, 8);
#ifdef DEBUG
- printf("DC:%d %d %d\n",
+ av_log(s->avctx, AV_LOG_DEBUG, "DC:%d %d %d\n",
s->last_dc[0],
s->last_dc[1],
s->last_dc[2]);
av_log(s->avctx, AV_LOG_DEBUG, "\n");
#endif
#if 0
+ av_log(s->avctx, AV_LOG_DEBUG, "%3dx%03d/%02Xx%02X ", s->width, s->height, s->width/4, s->height/4);
for(i=0; i<s->avctx->extradata_size; i++){
- av_log(s->avctx, AV_LOG_DEBUG, "%2X ", ((uint8_t*)s->avctx->extradata)[i]);
+ av_log(s->avctx, AV_LOG_DEBUG, "%02X ", ((uint8_t*)s->avctx->extradata)[i]);
if(i%4==3) av_log(s->avctx, AV_LOG_DEBUG, " ");
}
av_log(s->avctx, AV_LOG_DEBUG, "\n");
}
if(s->avctx->has_b_frames){
- int f=9;
- int v= s->avctx->extradata_size >= 4 ? ((uint8_t*)s->avctx->extradata)[1] : 0;
+ int f, new_w, new_h;
+ int v= s->avctx->extradata_size >= 4 ? 7&((uint8_t*)s->avctx->extradata)[1] : 0;
if (get_bits(&s->gb, 1)){
av_log(s->avctx, AV_LOG_ERROR, "unknown bit3 set\n");
// return -1;
}
- seq= get_bits(&s->gb, 14)<<1;
+ seq= get_bits(&s->gb, 13)<<2;
+
+ f= get_bits(&s->gb, av_log2(v)+1);
- if(v)
- f= get_bits(&s->gb, av_log2(v));
+ if(f){
+ new_w= 4*((uint8_t*)s->avctx->extradata)[6+2*f];
+ new_h= 4*((uint8_t*)s->avctx->extradata)[7+2*f];
+ }else{
+ new_w= s->width; //FIXME wrong we of course must save the original in the context
+ new_h= s->height;
+ }
+ if(new_w != s->width || new_h != s->height){
+ av_log(s->avctx, AV_LOG_DEBUG, "attempting to change resolution to %dx%d\n", new_w, new_h);
+ if (avcodec_check_dimensions(s->avctx, new_h, new_w) < 0)
+ return -1;
+ MPV_common_end(s);
+ s->width = s->avctx->width = new_w;
+ s->height = s->avctx->height= new_h;
+ if (MPV_common_init(s) < 0)
+ return -1;
+ }
if(s->avctx->debug & FF_DEBUG_PICT_INFO){
av_log(s->avctx, AV_LOG_DEBUG, "F %d/%d\n", f, v);
av_log(s->avctx, AV_LOG_DEBUG, "messed up order, possible from seeking? skipping current b frame\n");
return FRAME_SKIPPED;
}
+ ff_mpeg4_init_direct_mv(s);
}
}
// printf("%d %d %d %d %d\n", seq, (int)s->time, (int)s->last_non_b_time, s->pp_time, s->pb_time);
s->width = avctx->width;
s->height = avctx->height;
+ s->h263_long_vectors= ((uint8_t*)avctx->extradata)[3] & 1;
+ avctx->sub_id= AV_RB32((uint8_t*)avctx->extradata + 4);
+
switch(avctx->sub_id){
case 0x10000000:
s->rv10_version= 0;
- s->h263_long_vectors=0;
s->low_delay=1;
break;
case 0x10002000:
s->rv10_version= 3;
- s->h263_long_vectors=1;
s->low_delay=1;
s->obmc=1;
break;
case 0x10003000:
s->rv10_version= 3;
- s->h263_long_vectors=1;
s->low_delay=1;
break;
case 0x10003001:
s->rv10_version= 3;
- s->h263_long_vectors=0;
s->low_delay=1;
break;
case 0x20001000: /* real rv20 decoder fail on this id */
uint8_t *buf, int buf_size)
{
MpegEncContext *s = avctx->priv_data;
- int mb_count, mb_pos, left;
+ int mb_count, mb_pos, left, start_mb_x;
init_get_bits(&s->gb, buf, buf_size*8);
if(s->codec_id ==CODEC_ID_RV10)
}
#ifdef DEBUG
- printf("qscale=%d\n", s->qscale);
+ av_log(avctx, AV_LOG_DEBUG, "qscale=%d\n", s->qscale);
#endif
/* default quantization values */
}else{
s->first_slice_line=1;
s->resync_mb_x= s->mb_x;
- s->resync_mb_y= s->mb_y;
}
+ start_mb_x= s->mb_x;
+ s->resync_mb_y= s->mb_y;
if(s->h263_aic){
s->y_dc_scale_table=
s->c_dc_scale_table= ff_aic_dc_scale_table;
int ret;
ff_update_block_index(s);
#ifdef DEBUG
- printf("**mb x=%d y=%d\n", s->mb_x, s->mb_y);
+ av_log(avctx, AV_LOG_DEBUG, "**mb x=%d y=%d\n", s->mb_x, s->mb_y);
#endif
s->mv_dir = MV_DIR_FORWARD;
if(ret == SLICE_END) break;
}
- 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, start_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, AC_END|DC_END|MV_END);
return buf_size;
}
AVFrame *pict = data;
#ifdef DEBUG
- printf("*****frame %d size=%d\n", avctx->frame_number, buf_size);
+ av_log(avctx, AV_LOG_DEBUG, "*****frame %d size=%d\n", avctx->frame_number, buf_size);
#endif
/* no supplementary picture */
rv10_decode_packet(avctx, buf, buf_size);
}
- if(s->mb_y>=s->mb_height){
+ if(s->current_picture_ptr != NULL && s->mb_y>=s->mb_height){
ff_er_frame_end(s);
MPV_frame_end(s);
- if(s->pict_type==B_TYPE || s->low_delay){
- *pict= *(AVFrame*)&s->current_picture;
- ff_print_debug_info(s, pict);
- } else {
- *pict= *(AVFrame*)&s->last_picture;
- ff_print_debug_info(s, pict);
+ if (s->pict_type == 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)
+
+ if(s->last_picture_ptr || s->low_delay){
*data_size = sizeof(AVFrame);
+ ff_print_debug_info(s, pict);
+ }
s->current_picture_ptr= NULL; //so we can detect if frame_end wasnt called (find some nicer solution...)
}
projects / ffmpeg / blobdiff