* h263 decoder.
*/
-//#define DEBUG
#include <limits.h>
+#include "libavutil/attributes.h"
#include "libavutil/internal.h"
#include "libavutil/mathematics.h"
-#include "dsputil.h"
#include "avcodec.h"
#include "mpegvideo.h"
#include "h263.h"
#include "mathops.h"
+#include "mpegutils.h"
#include "unary.h"
#include "flv.h"
#include "mpeg4video.h"
-//#undef NDEBUG
-//#include <assert.h>
-
// The defines below define the number of bits that are read at once for
// reading vlc values. Changing these may improve speed and data cache needs
// be aware though that decreasing them may need the number of stages that is
s->modified_quant ? " MQ" : "",
s->loop_filter ? " LOOP" : "",
s->h263_slice_structured ? " SS" : "",
- s->avctx->time_base.den, s->avctx->time_base.num
+ s->avctx->framerate.num, s->avctx->framerate.den
);
}
}
/* init vlcs */
/* XXX: find a better solution to handle static init */
-void ff_h263_decode_init_vlc(void)
+av_cold void ff_h263_decode_init_vlc(void)
{
static int done = 0;
if(show_bits(&s->gb, 16)==0){
pos= get_bits_count(&s->gb);
if(CONFIG_MPEG4_DECODER && s->codec_id==AV_CODEC_ID_MPEG4)
- ret= ff_mpeg4_decode_video_packet_header(s);
+ ret= ff_mpeg4_decode_video_packet_header(s->avctx->priv_data);
else
ret= h263_decode_gob_header(s);
if(ret>=0)
pos= get_bits_count(&s->gb);
if(CONFIG_MPEG4_DECODER && s->codec_id==AV_CODEC_ID_MPEG4)
- ret= ff_mpeg4_decode_video_packet_header(s);
+ ret= ff_mpeg4_decode_video_packet_header(s->avctx->priv_data);
else
ret= h263_decode_gob_header(s);
if(ret>=0)
do{
if (get_bits1(&s->gb)) {
/* skip mb */
- mot_val = s->current_picture.f.motion_val[0][s->block_index[0]];
+ mot_val = s->current_picture.motion_val[0][s->block_index[0]];
mot_val[0 ]= mot_val[2 ]=
mot_val[0+stride]= mot_val[2+stride]= 0;
mot_val[1 ]= mot_val[3 ]=
mot_val[1+stride]= mot_val[3+stride]= 0;
- s->current_picture.f.mb_type[xy] = MB_TYPE_SKIP | MB_TYPE_16x16 | MB_TYPE_L0;
+ s->current_picture.mb_type[xy] = MB_TYPE_SKIP | MB_TYPE_16x16 | MB_TYPE_L0;
goto end;
}
cbpc = get_vlc2(&s->gb, ff_h263_inter_MCBPC_vlc.table, INTER_MCBPC_VLC_BITS, 2);
}while(cbpc == 20);
if(cbpc & 4){
- s->current_picture.f.mb_type[xy] = MB_TYPE_INTRA;
+ s->current_picture.mb_type[xy] = MB_TYPE_INTRA;
}else{
get_vlc2(&s->gb, ff_h263_cbpy_vlc.table, CBPY_VLC_BITS, 1);
if (cbpc & 8) {
}
if ((cbpc & 16) == 0) {
- s->current_picture.f.mb_type[xy] = MB_TYPE_16x16 | MB_TYPE_L0;
+ s->current_picture.mb_type[xy] = MB_TYPE_16x16 | MB_TYPE_L0;
/* 16x16 motion prediction */
mot_val= ff_h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
if (s->umvplus)
mot_val[1 ]= mot_val[3 ]=
mot_val[1+stride]= mot_val[3+stride]= my;
} else {
- s->current_picture.f.mb_type[xy] = MB_TYPE_8x8 | MB_TYPE_L0;
+ s->current_picture.mb_type[xy] = MB_TYPE_8x8 | MB_TYPE_L0;
for(i=0;i<4;i++) {
mot_val = ff_h263_pred_motion(s, i, 0, &pred_x, &pred_y);
if (s->umvplus)
}
} else if (s->mb_intra) {
/* DC coef */
- if(s->codec_id == AV_CODEC_ID_RV10){
-#if CONFIG_RV10_DECODER
+ if (CONFIG_RV10_DECODER && s->codec_id == AV_CODEC_ID_RV10) {
if (s->rv10_version == 3 && s->pict_type == AV_PICTURE_TYPE_I) {
int component, diff;
component = (n <= 3 ? 0 : n - 4 + 1);
if (level == 255)
level = 128;
}
-#endif
}else{
level = get_bits(&s->gb, 8);
if((level&0x7F) == 0){
rl = &ff_rl_intra_aic;
i = 0;
s->gb= gb;
- s->dsp.clear_block(block);
+ s->bdsp.clear_block(block);
goto retry;
}
av_log(s->avctx, AV_LOG_ERROR, "run overflow at %dx%d i:%d\n", s->mb_x, s->mb_y, s->mb_intra);
s->block_last_index[i] = -1;
s->mv_dir = MV_DIR_FORWARD;
s->mv_type = MV_TYPE_16X16;
- s->current_picture.f.mb_type[xy] = MB_TYPE_SKIP | MB_TYPE_16x16 | MB_TYPE_L0;
+ s->current_picture.mb_type[xy] = MB_TYPE_SKIP | MB_TYPE_16x16 | MB_TYPE_L0;
s->mv[0][0][0] = 0;
s->mv[0][0][1] = 0;
s->mb_skipped = !(s->obmc | s->loop_filter);
}
}while(cbpc == 20);
- s->dsp.clear_blocks(s->block[0]);
+ s->bdsp.clear_blocks(s->block[0]);
dquant = cbpc & 8;
s->mb_intra = ((cbpc & 4) != 0);
s->mv_dir = MV_DIR_FORWARD;
if ((cbpc & 16) == 0) {
- s->current_picture.f.mb_type[xy] = MB_TYPE_16x16 | MB_TYPE_L0;
+ s->current_picture.mb_type[xy] = MB_TYPE_16x16 | MB_TYPE_L0;
/* 16x16 motion prediction */
s->mv_type = MV_TYPE_16X16;
ff_h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
if (s->umvplus && (mx - pred_x) == 1 && (my - pred_y) == 1)
skip_bits1(&s->gb); /* Bit stuffing to prevent PSC */
} else {
- s->current_picture.f.mb_type[xy] = MB_TYPE_8x8 | MB_TYPE_L0;
+ s->current_picture.mb_type[xy] = MB_TYPE_8x8 | MB_TYPE_L0;
s->mv_type = MV_TYPE_8X8;
for(i=0;i<4;i++) {
mot_val = ff_h263_pred_motion(s, i, 0, &pred_x, &pred_y);
} else if(s->pict_type==AV_PICTURE_TYPE_B) {
int mb_type;
const int stride= s->b8_stride;
- int16_t *mot_val0 = s->current_picture.f.motion_val[0][2 * (s->mb_x + s->mb_y * stride)];
- int16_t *mot_val1 = s->current_picture.f.motion_val[1][2 * (s->mb_x + s->mb_y * stride)];
+ int16_t *mot_val0 = s->current_picture.motion_val[0][2 * (s->mb_x + s->mb_y * stride)];
+ int16_t *mot_val1 = s->current_picture.motion_val[1][2 * (s->mb_x + s->mb_y * stride)];
// const int mv_xy= s->mb_x + 1 + s->mb_y * s->mb_stride;
//FIXME ugly
s->mb_intra = IS_INTRA(mb_type);
if(HAS_CBP(mb_type)){
- s->dsp.clear_blocks(s->block[0]);
+ s->bdsp.clear_blocks(s->block[0]);
cbpc = get_vlc2(&s->gb, cbpc_b_vlc.table, CBPC_B_VLC_BITS, 1);
if(s->mb_intra){
dquant = IS_QUANT(mb_type);
}
if(IS_DIRECT(mb_type)){
+ if (!s->pp_time)
+ return AVERROR_INVALIDDATA;
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
mb_type |= ff_mpeg4_set_direct_mv(s, 0, 0);
}else{
}
}
- s->current_picture.f.mb_type[xy] = mb_type;
+ s->current_picture.mb_type[xy] = mb_type;
} else { /* I-Frame */
do{
cbpc = get_vlc2(&s->gb, ff_h263_intra_MCBPC_vlc.table, INTRA_MCBPC_VLC_BITS, 2);
}
}while(cbpc == 8);
- s->dsp.clear_blocks(s->block[0]);
+ s->bdsp.clear_blocks(s->block[0]);
dquant = cbpc & 4;
s->mb_intra = 1;
intra:
- s->current_picture.f.mb_type[xy] = MB_TYPE_INTRA;
+ s->current_picture.mb_type[xy] = MB_TYPE_INTRA;
if (s->h263_aic) {
s->ac_pred = get_bits1(&s->gb);
if(s->ac_pred){
- s->current_picture.f.mb_type[xy] = MB_TYPE_INTRA | MB_TYPE_ACPRED;
+ s->current_picture.mb_type[xy] = MB_TYPE_INTRA | MB_TYPE_ACPRED;
s->h263_aic_dir = get_bits1(&s->gb);
}
i = get_bits(&s->gb, 8); /* picture timestamp */
if( (s->picture_number&~0xFF)+i < s->picture_number)
i+= 256;
- s->current_picture_ptr->f.pts =
s->picture_number= (s->picture_number&~0xFF) + i;
/* PTYPE starts here */
s->width = width;
s->height = height;
s->avctx->sample_aspect_ratio= (AVRational){12,11};
- s->avctx->time_base= (AVRational){1001, 30000};
+ s->avctx->framerate = (AVRational){ 30000, 1001 };
} else {
int ufep;
if(s->custom_pcf){
int gcd;
- s->avctx->time_base.den= 1800000;
- s->avctx->time_base.num= 1000 + get_bits1(&s->gb);
- s->avctx->time_base.num*= get_bits(&s->gb, 7);
- if(s->avctx->time_base.num == 0){
+ s->avctx->framerate.num = 1800000;
+ s->avctx->framerate.den = 1000 + get_bits1(&s->gb);
+ s->avctx->framerate.den *= get_bits(&s->gb, 7);
+ if(s->avctx->framerate.den == 0){
av_log(s, AV_LOG_ERROR, "zero framerate\n");
return -1;
}
- gcd= av_gcd(s->avctx->time_base.den, s->avctx->time_base.num);
- s->avctx->time_base.den /= gcd;
- s->avctx->time_base.num /= gcd;
+ gcd= av_gcd(s->avctx->framerate.den, s->avctx->framerate.num);
+ s->avctx->framerate.den /= gcd;
+ s->avctx->framerate.num /= gcd;
}else{
- s->avctx->time_base= (AVRational){1001, 30000};
+ s->avctx->framerate = (AVRational){ 30000, 1001 };
}
}