* 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
*/
/**
* @file rv10.c
* RV10 codec.
*/
-
+
#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
0x0f78, 0x0f79, 0x0f7a, 0x0f7b, 0x0f7c, 0x0f7d, 0x0f7e, 0x0f7f,
};
-static const uint8_t rv_lum_bits[256] =
+static const uint8_t rv_lum_bits[256] =
{
14, 12, 12, 12, 12, 12, 12, 12,
12, 12, 12, 12, 12, 12, 12, 12,
int full_frame= 0;
align_put_bits(&s->pb);
-
- put_bits(&s->pb, 1, 1); /* marker */
+
+ put_bits(&s->pb, 1, 1); /* marker */
put_bits(&s->pb, 1, (s->pict_type == P_TYPE));
- put_bits(&s->pb, 1, 0); /* not PB frame */
+ put_bits(&s->pb, 1, 0); /* not PB frame */
put_bits(&s->pb, 5, s->qscale);
if (s->pict_type == I_TYPE) {
- /* specific MPEG like DC coding not used */
+ /* specific MPEG like DC coding not used */
}
/* if multiple packets per frame are sent, the position at which
to display the macro blocks is coded here */
if(!full_frame){
- put_bits(&s->pb, 6, 0); /* mb_x */
- put_bits(&s->pb, 6, 0); /* mb_y */
+ put_bits(&s->pb, 6, 0); /* mb_x */
+ put_bits(&s->pb, 6, 0); /* mb_y */
put_bits(&s->pb, 12, s->mb_width * s->mb_height);
}
- put_bits(&s->pb, 3, 0); /* ignored */
+ put_bits(&s->pb, 3, 0); /* ignored */
}
void rv20_encode_picture_header(MpegEncContext *s, int picture_number){
put_bits(&s->pb, 2, s->pict_type); //I 0 vs. 1 ?
- put_bits(&s->pb, 1, 0); /* unknown bit */
+ put_bits(&s->pb, 1, 0); /* unknown bit */
put_bits(&s->pb, 5, s->qscale);
-
+
put_bits(&s->pb, 8, picture_number&0xFF); //FIXME wrong, but correct is not known
s->mb_x= s->mb_y= 0;
ff_h263_encode_mba(s);
-
+
put_bits(&s->pb, 1, s->no_rounding);
-
+
assert(s->f_code == 1);
assert(s->unrestricted_mv == 1);
// assert(s->h263_aic== (s->pict_type == I_TYPE));
s->h263_aic= s->pict_type == I_TYPE;
if(s->h263_aic){
- s->y_dc_scale_table=
+ s->y_dc_scale_table=
s->c_dc_scale_table= ff_aic_dc_scale_table;
}else{
s->y_dc_scale_table=
}
}
+#if 0 /* unused, remove? */
static int get_num(GetBitContext *gb)
{
int n, n1;
return (n << 16) | n1;
}
}
+#endif
#endif //CONFIG_ENCODERS
static int rv10_decode_picture_header(MpegEncContext *s)
{
int mb_count, pb_frame, marker, unk, mb_xy;
-
+
//printf("ff:%d\n", full_frame);
marker = get_bits(&s->gb, 1);
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){
av_log(s->avctx, AV_LOG_ERROR, "pb frame not supported\n");
return -1;
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]);
mb_xy= s->mb_x + s->mb_y*s->mb_width;
if(show_bits(&s->gb, 12)==0 || (mb_xy && mb_xy < s->mb_num)){
- s->mb_x = get_bits(&s->gb, 6); /* mb_x */
- s->mb_y = get_bits(&s->gb, 6); /* mb_y */
+ s->mb_x = get_bits(&s->gb, 6); /* mb_x */
+ s->mb_y = get_bits(&s->gb, 6); /* mb_y */
mb_count = get_bits(&s->gb, 12);
} else {
s->mb_x = 0;
s->mb_y = 0;
mb_count = s->mb_width * s->mb_height;
}
- unk= get_bits(&s->gb, 3); /* ignored */
+ unk= get_bits(&s->gb, 3); /* ignored */
//printf("%d\n", unk);
s->f_code = 1;
s->unrestricted_mv = 1;
static int rv20_decode_picture_header(MpegEncContext *s)
{
int seq, mb_pos, i;
-
+
#if 0
GetBitContext gb= s->gb;
for(i=0; i<64; i++){
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");
#endif
-
+
if(s->avctx->sub_id == 0x30202002 || s->avctx->sub_id == 0x30203002){
if (get_bits(&s->gb, 3)){
av_log(s->avctx, AV_LOG_ERROR, "unknown triplet set\n");
return -1;
- }
- }
+ }
+ }
i= get_bits(&s->gb, 2);
switch(i){
case 1: s->pict_type= I_TYPE; break; //hmm ...
case 2: s->pict_type= P_TYPE; break;
case 3: s->pict_type= B_TYPE; break;
- default:
+ default:
av_log(s->avctx, AV_LOG_ERROR, "unknown frame type\n");
return -1;
}
-
+
if(s->last_picture_ptr==NULL && s->pict_type==B_TYPE){
av_log(s->avctx, AV_LOG_ERROR, "early B pix\n");
return -1;
}
-
+
if (get_bits(&s->gb, 1)){
av_log(s->avctx, AV_LOG_ERROR, "unknown bit set\n");
return -1;
return -1;
}
}
-
+
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>1){
- f= get_bits(&s->gb, av_log2(v-1)+1);
+ 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\n", f);
+ av_log(s->avctx, AV_LOG_DEBUG, "F %d/%d\n", f, v);
}
+ }else{
+ seq= get_bits(&s->gb, 8)*128;
+ }
+// if(s->avctx->sub_id <= 0x20201002){ //0x20201002 definitely needs this
+ mb_pos= ff_h263_decode_mba(s);
+/* }else{
mb_pos= get_bits(&s->gb, av_log2(s->mb_num-1)+1);
s->mb_x= mb_pos % s->mb_width;
s->mb_y= mb_pos / s->mb_width;
- }else{
- seq= get_bits(&s->gb, 8)*128;
- mb_pos= ff_h263_decode_mba(s);
- }
+ }*/
//av_log(s->avctx, AV_LOG_DEBUG, "%d\n", seq);
seq |= s->time &~0x7FFF;
if(seq - s->time > 0x4000) seq -= 0x8000;
if(seq - s->time < -0x4000) seq += 0x8000;
- if(seq != s->time){
+ if(seq != s->time){
if(s->pict_type!=B_TYPE){
s->time= seq;
s->pp_time= s->time - s->last_non_b_time;
s->time= seq;
s->pb_time= s->pp_time - (s->last_non_b_time - s->time);
if(s->pp_time <=s->pb_time || s->pp_time <= s->pp_time - s->pb_time || s->pp_time<=0){
- av_log(s->avctx, AV_LOG_DEBUG, "messed up order, seeking?, skiping current b frame\n");
- return FRAME_SKIPED;
+ 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);
}
av_log(s->avctx, AV_LOG_DEBUG, "\n");*/
s->no_rounding= get_bits1(&s->gb);
-
+
s->f_code = 1;
s->unrestricted_mv = 1;
s->h263_aic= s->pict_type == I_TYPE;
// s->umvplus=1;
s->modified_quant=1;
s->loop_filter=1;
-
+
if(s->avctx->debug & FF_DEBUG_PICT_INFO){
- av_log(s->avctx, AV_LOG_INFO, "num:%5d x:%2d y:%2d type:%d qscale:%2d rnd:%d\n",
+ av_log(s->avctx, AV_LOG_INFO, "num:%5d x:%2d y:%2d type:%d qscale:%2d rnd:%d\n",
seq, s->mb_x, s->mb_y, s->pict_type, s->qscale, s->no_rounding);
}
static int done=0;
MPV_decode_defaults(s);
-
+
s->avctx= avctx;
s->out_format = FMT_H263;
s->codec_id= avctx->codec_id;
s->width = avctx->width;
s->height = avctx->height;
- switch(avctx->sub_id){
- case 0x10000000:
+ s->h263_long_vectors= ((uint8_t*)avctx->extradata)[3] & 1;
+ avctx->sub_id= AV_RB32((uint8_t*)avctx->extradata + 4);
+
+ if (avctx->sub_id == 0x10000000) {
s->rv10_version= 0;
- s->h263_long_vectors=0;
s->low_delay=1;
- break;
- case 0x10002000:
+ } else if (avctx->sub_id == 0x10002000) {
s->rv10_version= 3;
- s->h263_long_vectors=1;
s->low_delay=1;
s->obmc=1;
- break;
- case 0x10003000:
+ } else if (avctx->sub_id == 0x10003000) {
s->rv10_version= 3;
- s->h263_long_vectors=1;
s->low_delay=1;
- break;
- case 0x10003001:
+ } else if (avctx->sub_id == 0x10003001) {
s->rv10_version= 3;
- s->h263_long_vectors=0;
s->low_delay=1;
- break;
- case 0x20001000:
- case 0x20100001:
- case 0x20101001:
- case 0x20103001:
+ } else if ( avctx->sub_id == 0x20001000
+ || (avctx->sub_id >= 0x20100000 && avctx->sub_id < 0x201a0000)) {
s->low_delay=1;
- break;
- case 0x20200002:
- case 0x20201002:
- case 0x30202002:
- case 0x30203002:
+ } else if ( avctx->sub_id == 0x30202002
+ || avctx->sub_id == 0x30203002
+ || (avctx->sub_id >= 0x20200002 && avctx->sub_id < 0x20300000)) {
s->low_delay=0;
s->avctx->has_b_frames=1;
- break;
- default:
+ } else
av_log(s->avctx, AV_LOG_ERROR, "unknown header %X\n", avctx->sub_id);
- }
-
+
if(avctx->debug & FF_DEBUG_PICT_INFO){
av_log(avctx, AV_LOG_DEBUG, "ver:%X ver0:%X\n", avctx->sub_id, avctx->extradata_size >= 4 ? ((uint32_t*)avctx->extradata)[0] : -1);
}
-
+
+ avctx->pix_fmt = PIX_FMT_YUV420P;
+
if (MPV_common_init(s) < 0)
return -1;
/* init rv vlc */
if (!done) {
- init_vlc(&rv_dc_lum, DC_VLC_BITS, 256,
+ init_vlc(&rv_dc_lum, DC_VLC_BITS, 256,
rv_lum_bits, 1, 1,
rv_lum_code, 2, 2, 1);
- init_vlc(&rv_dc_chrom, DC_VLC_BITS, 256,
+ init_vlc(&rv_dc_chrom, DC_VLC_BITS, 256,
rv_chrom_bits, 1, 1,
rv_chrom_code, 2, 2, 1);
done = 1;
}
-
- avctx->pix_fmt = PIX_FMT_YUV420P;
return 0;
}
return 0;
}
-static int rv10_decode_packet(AVCodecContext *avctx,
+static int rv10_decode_packet(AVCodecContext *avctx,
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)
av_log(s->avctx, AV_LOG_ERROR, "HEADER ERROR\n");
return -1;
}
-
+
if (s->mb_x >= s->mb_width ||
s->mb_y >= s->mb_height) {
av_log(s->avctx, AV_LOG_ERROR, "POS ERROR %d %d\n", s->mb_x, s->mb_y);
//if(s->pict_type == P_TYPE) return 0;
if ((s->mb_x == 0 && s->mb_y == 0) || s->current_picture_ptr==NULL) {
+ if(s->current_picture_ptr){ //FIXME write parser so we always have complete frames?
+ ff_er_frame_end(s);
+ MPV_frame_end(s);
+ s->mb_x= s->mb_y = s->resync_mb_x = s->resync_mb_y= 0;
+ }
if(MPV_frame_start(s, avctx) < 0)
return -1;
+ ff_er_frame_start(s);
}
#ifdef DEBUG
- printf("qscale=%d\n", s->qscale);
+ av_log(avctx, AV_LOG_DEBUG, "qscale=%d\n", s->qscale);
#endif
/* default quantization values */
if(s->codec_id== CODEC_ID_RV10){
if(s->mb_y==0) s->first_slice_line=1;
}else{
- s->first_slice_line=1;
+ 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->y_dc_scale_table=
s->c_dc_scale_table= ff_aic_dc_scale_table;
}else{
s->y_dc_scale_table=
if(s->modified_quant)
s->chroma_qscale_table= ff_h263_chroma_qscale_table;
-
+
ff_set_qscale(s, s->qscale);
s->rv10_first_dc_coded[0] = 0;
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->dsp.clear_blocks(s->block[0]);
s->mv_dir = MV_DIR_FORWARD;
- s->mv_type = MV_TYPE_16X16;
+ s->mv_type = MV_TYPE_16X16;
ret=ff_h263_decode_mb(s, s->block);
- if (ret == SLICE_ERROR) {
+ if (ret == SLICE_ERROR || s->gb.size_in_bits < get_bits_count(&s->gb)) {
av_log(s->avctx, AV_LOG_ERROR, "ERROR at MB %d %d\n", s->mb_x, s->mb_y);
return -1;
}
if(ret == SLICE_END) break;
}
+ 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;
}
-static int rv10_decode_frame(AVCodecContext *avctx,
+static int rv10_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
uint8_t *buf, int buf_size)
{
MpegEncContext *s = avctx->priv_data;
int i;
- AVFrame *pict = data;
+ 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 */
for(i=0; i<avctx->slice_count; i++){
int offset= avctx->slice_offset[i];
int size;
-
+
if(i+1 == avctx->slice_count)
size= buf_size - offset;
else
size= avctx->slice_offset[i+1] - offset;
- if( rv10_decode_packet(avctx, buf+offset, size) < 0 )
- return -1;
+ rv10_decode_packet(avctx, buf+offset, size);
}
}else{
- if( rv10_decode_packet(avctx, buf, buf_size) < 0 )
- return -1;
+ 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...)
}
return buf_size;
NULL,
rv10_decode_end,
rv10_decode_frame,
- CODEC_CAP_DR1,
+ CODEC_CAP_DR1 | CODEC_CAP_DELAY,
.flush= ff_mpeg_flush,
};