* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include "error_resilience.h"
+#include "internal.h"
#include "mpegvideo.h"
#include "mpeg4video.h"
#include "h263.h"
* @param n block index (0-3 are luma, 4-5 are chroma)
* @param dir the ac prediction direction
*/
-void ff_mpeg4_pred_ac(MpegEncContext * s, DCTELEM *block, int n,
+void ff_mpeg4_pred_ac(MpegEncContext * s, int16_t *block, int n,
int dir)
{
int i;
int16_t *ac_val, *ac_val1;
- int8_t * const qscale_table = s->current_picture.f.qscale_table;
+ int8_t * const qscale_table = s->current_picture.qscale_table;
/* find prediction */
ac_val = s->ac_val[0][0] + s->block_index[n] * 16;
return 0;
}
-static void mpeg4_decode_sprite_trajectory(MpegEncContext * s, GetBitContext *gb)
+static int mpeg4_decode_sprite_trajectory(MpegEncContext *s, GetBitContext *gb)
{
int i;
int a= 2<<s->sprite_warping_accuracy;
int h= s->height;
int min_ab;
+ if (w <= 0 || h <= 0)
+ return AVERROR_INVALIDDATA;
+
for(i=0; i<s->num_sprite_warping_points; i++){
int length;
int x=0, y=0;
}
s->real_sprite_warping_points= s->num_sprite_warping_points;
}
+ return 0;
}
/**
if(s->pict_type == AV_PICTURE_TYPE_B){
int mb_x = 0, mb_y = 0;
- while (s->next_picture.f.mbskip_table[s->mb_index2xy[mb_num]]) {
+ while (s->next_picture.mbskip_table[s->mb_index2xy[mb_num]]) {
if (!mb_x)
- ff_thread_await_progress(&s->next_picture_ptr->f, mb_y++, 0);
+ ff_thread_await_progress(&s->next_picture_ptr->tf, mb_y++, 0);
mb_num++;
if (++mb_x == s->mb_width) mb_x = 0;
}
skip_bits(&s->gb, 3); /* intra dc vlc threshold */
//FIXME don't just ignore everything
if(s->pict_type == AV_PICTURE_TYPE_S && s->vol_sprite_usage==GMC_SPRITE){
- mpeg4_decode_sprite_trajectory(s, &s->gb);
+ if (mpeg4_decode_sprite_trajectory(s, &s->gb) < 0)
+ return AVERROR_INVALIDDATA;
av_log(s->avctx, AV_LOG_ERROR, "untested\n");
}
}while(cbpc == 8);
s->cbp_table[xy]= cbpc & 3;
- s->current_picture.f.mb_type[xy] = MB_TYPE_INTRA;
+ s->current_picture.mb_type[xy] = MB_TYPE_INTRA;
s->mb_intra = 1;
if(cbpc & 4) {
ff_set_qscale(s, s->qscale + quant_tab[get_bits(&s->gb, 2)]);
}
- s->current_picture.f.qscale_table[xy]= s->qscale;
+ s->current_picture.qscale_table[xy]= s->qscale;
s->mbintra_table[xy]= 1;
for(i=0; i<6; i++){
s->pred_dir_table[xy]= dir;
}else{ /* P/S_TYPE */
int mx, my, pred_x, pred_y, bits;
- int16_t * const mot_val = s->current_picture.f.motion_val[0][s->block_index[0]];
+ int16_t * const mot_val = s->current_picture.motion_val[0][s->block_index[0]];
const int stride= s->b8_stride*2;
try_again:
if(bits&0x10000){
/* skip mb */
if(s->pict_type==AV_PICTURE_TYPE_S && s->vol_sprite_usage==GMC_SPRITE){
- s->current_picture.f.mb_type[xy] = MB_TYPE_SKIP | MB_TYPE_16x16 | MB_TYPE_GMC | MB_TYPE_L0;
+ s->current_picture.mb_type[xy] = MB_TYPE_SKIP | MB_TYPE_16x16 | MB_TYPE_GMC | MB_TYPE_L0;
mx= get_amv(s, 0);
my= get_amv(s, 1);
}else{
- 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;
mx=my=0;
}
mot_val[0 ]= mot_val[2 ]=
s->mb_intra = ((cbpc & 4) != 0);
if(s->mb_intra){
- s->current_picture.f.mb_type[xy] = MB_TYPE_INTRA;
+ s->current_picture.mb_type[xy] = MB_TYPE_INTRA;
s->mbintra_table[xy]= 1;
mot_val[0 ]= mot_val[2 ]=
mot_val[0+stride]= mot_val[2+stride]= 0;
my = ff_h263_decode_motion(s, pred_y, s->f_code);
if (my >= 0xffff)
return -1;
- 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;
} else {
mx = get_amv(s, 0);
my = get_amv(s, 1);
- s->current_picture.f.mb_type[xy] = MB_TYPE_16x16 | MB_TYPE_GMC | MB_TYPE_L0;
+ s->current_picture.mb_type[xy] = MB_TYPE_16x16 | MB_TYPE_GMC | MB_TYPE_L0;
}
mot_val[0 ]= mot_val[2 ] =
mot_val[1+stride]= mot_val[3+stride]= my;
} else {
int i;
- 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++) {
int16_t *mot_val= ff_h263_pred_motion(s, i, 0, &pred_x, &pred_y);
mx = ff_h263_decode_motion(s, pred_x, s->f_code);
}
s->cbp_table[xy]|= cbpy<<2;
- s->current_picture.f.mb_type[xy] |= ac_pred*MB_TYPE_ACPRED;
+ s->current_picture.mb_type[xy] |= ac_pred*MB_TYPE_ACPRED;
}else{ /* P || S_TYPE */
- if (IS_INTRA(s->current_picture.f.mb_type[xy])) {
+ if (IS_INTRA(s->current_picture.mb_type[xy])) {
int dir=0,i;
int ac_pred = get_bits1(&s->gb);
int cbpy = get_vlc2(&s->gb, ff_h263_cbpy_vlc.table, CBPY_VLC_BITS, 1);
if(s->cbp_table[xy] & 8) {
ff_set_qscale(s, s->qscale + quant_tab[get_bits(&s->gb, 2)]);
}
- s->current_picture.f.qscale_table[xy] = s->qscale;
+ s->current_picture.qscale_table[xy] = s->qscale;
for(i=0; i<6; i++){
int dc_pred_dir;
}
s->cbp_table[xy]&= 3; //remove dquant
s->cbp_table[xy]|= cbpy<<2;
- s->current_picture.f.mb_type[xy] |= ac_pred*MB_TYPE_ACPRED;
+ s->current_picture.mb_type[xy] |= ac_pred*MB_TYPE_ACPRED;
s->pred_dir_table[xy]= dir;
- } else if (IS_SKIP(s->current_picture.f.mb_type[xy])) {
- s->current_picture.f.qscale_table[xy] = s->qscale;
+ } else if (IS_SKIP(s->current_picture.mb_type[xy])) {
+ s->current_picture.qscale_table[xy] = s->qscale;
s->cbp_table[xy]= 0;
}else{
int cbpy = get_vlc2(&s->gb, ff_h263_cbpy_vlc.table, CBPY_VLC_BITS, 1);
if(s->cbp_table[xy] & 8) {
ff_set_qscale(s, s->qscale + quant_tab[get_bits(&s->gb, 2)]);
}
- s->current_picture.f.qscale_table[xy] = s->qscale;
+ s->current_picture.qscale_table[xy] = s->qscale;
s->cbp_table[xy]&= 3; //remove dquant
s->cbp_table[xy]|= (cbpy^0xf)<<2;
mb_num= mpeg4_decode_partition_a(s);
if(mb_num<0){
- ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, part_a_error);
+ ff_er_add_slice(&s->er, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, part_a_error);
return -1;
}
if(s->resync_mb_x + s->resync_mb_y*s->mb_width + mb_num > s->mb_num){
av_log(s->avctx, AV_LOG_ERROR, "slice below monitor ...\n");
- ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, part_a_error);
+ ff_er_add_slice(&s->er, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, part_a_error);
return -1;
}
return -1;
}
}
- ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, part_a_end);
+ ff_er_add_slice(&s->er, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, part_a_end);
if( mpeg4_decode_partition_b(s, mb_num) < 0){
if(s->pict_type==AV_PICTURE_TYPE_P)
- ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, ER_DC_ERROR);
+ ff_er_add_slice(&s->er, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, ER_DC_ERROR);
return -1;
}else{
if(s->pict_type==AV_PICTURE_TYPE_P)
- ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, ER_DC_END);
+ ff_er_add_slice(&s->er, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, ER_DC_END);
}
return 0;
* Decode a block.
* @return <0 if an error occurred
*/
-static inline int mpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
+static inline int mpeg4_decode_block(MpegEncContext * s, int16_t * block,
int n, int coded, int intra, int rvlc)
{
int level, i, last, run;
* decode partition C of one MB.
* @return <0 if an error occurred
*/
-static int mpeg4_decode_partitioned_mb(MpegEncContext *s, DCTELEM block[6][64])
+static int mpeg4_decode_partitioned_mb(MpegEncContext *s, int16_t block[6][64])
{
int cbp, mb_type;
const int xy= s->mb_x + s->mb_y*s->mb_stride;
- mb_type = s->current_picture.f.mb_type[xy];
+ mb_type = s->current_picture.mb_type[xy];
cbp = s->cbp_table[xy];
s->use_intra_dc_vlc= s->qscale < s->intra_dc_threshold;
- if (s->current_picture.f.qscale_table[xy] != s->qscale) {
- ff_set_qscale(s, s->current_picture.f.qscale_table[xy]);
+ if (s->current_picture.qscale_table[xy] != s->qscale) {
+ ff_set_qscale(s, s->current_picture.qscale_table[xy]);
}
if (s->pict_type == AV_PICTURE_TYPE_P || s->pict_type==AV_PICTURE_TYPE_S) {
int i;
for(i=0; i<4; i++){
- s->mv[0][i][0] = s->current_picture.f.motion_val[0][s->block_index[i]][0];
- s->mv[0][i][1] = s->current_picture.f.motion_val[0][s->block_index[i]][1];
+ s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
+ s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
}
s->mb_intra = IS_INTRA(mb_type);
s->mb_skipped = 1;
}
}else if(s->mb_intra){
- s->ac_pred = IS_ACPRED(s->current_picture.f.mb_type[xy]);
+ s->ac_pred = IS_ACPRED(s->current_picture.mb_type[xy]);
}else if(!s->mb_intra){
// s->mcsel= 0; //FIXME do we need to init that
}
} else { /* I-Frame */
s->mb_intra = 1;
- s->ac_pred = IS_ACPRED(s->current_picture.f.mb_type[xy]);
+ s->ac_pred = IS_ACPRED(s->current_picture.mb_type[xy]);
}
if (!IS_SKIP(mb_type)) {
}
static int mpeg4_decode_mb(MpegEncContext *s,
- DCTELEM block[6][64])
+ int16_t block[6][64])
{
int cbpc, cbpy, i, cbp, pred_x, pred_y, mx, my, dquant;
int16_t *mot_val;
s->mv_dir = MV_DIR_FORWARD;
s->mv_type = MV_TYPE_16X16;
if(s->pict_type==AV_PICTURE_TYPE_S && s->vol_sprite_usage==GMC_SPRITE){
- s->current_picture.f.mb_type[xy] = MB_TYPE_SKIP | MB_TYPE_GMC | MB_TYPE_16x16 | MB_TYPE_L0;
+ s->current_picture.mb_type[xy] = MB_TYPE_SKIP | MB_TYPE_GMC | MB_TYPE_16x16 | MB_TYPE_L0;
s->mcsel=1;
s->mv[0][0][0]= get_amv(s, 0);
s->mv[0][0][1]= get_amv(s, 1);
s->mb_skipped = 0;
}else{
- 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->mcsel=0;
s->mv[0][0][0] = 0;
s->mv[0][0][1] = 0;
s->mv_dir = MV_DIR_FORWARD;
if ((cbpc & 16) == 0) {
if(s->mcsel){
- s->current_picture.f.mb_type[xy] = MB_TYPE_GMC | MB_TYPE_16x16 | MB_TYPE_L0;
+ s->current_picture.mb_type[xy] = MB_TYPE_GMC | MB_TYPE_16x16 | MB_TYPE_L0;
/* 16x16 global motion prediction */
s->mv_type = MV_TYPE_16X16;
mx= get_amv(s, 0);
s->mv[0][0][0] = mx;
s->mv[0][0][1] = my;
}else if((!s->progressive_sequence) && get_bits1(&s->gb)){
- s->current_picture.f.mb_type[xy] = MB_TYPE_16x8 | MB_TYPE_L0 | MB_TYPE_INTERLACED;
+ s->current_picture.mb_type[xy] = MB_TYPE_16x8 | MB_TYPE_L0 | MB_TYPE_INTERLACED;
/* 16x8 field motion prediction */
s->mv_type= MV_TYPE_FIELD;
s->mv[0][i][1] = my;
}
}else{
- 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);
s->mv[0][0][1] = 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;
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);
s->last_mv[i][1][1]= 0;
}
- ff_thread_await_progress(&s->next_picture_ptr->f, s->mb_y, 0);
+ ff_thread_await_progress(&s->next_picture_ptr->tf, s->mb_y, 0);
}
/* if we skipped it in the future P Frame than skip it now too */
- s->mb_skipped = s->next_picture.f.mbskip_table[s->mb_y * s->mb_stride + s->mb_x]; // Note, skiptab=0 if last was GMC
+ s->mb_skipped = s->next_picture.mbskip_table[s->mb_y * s->mb_stride + s->mb_x]; // Note, skiptab=0 if last was GMC
if(s->mb_skipped){
/* skip mb */
s->mv[0][0][1] = 0;
s->mv[1][0][0] = 0;
s->mv[1][0][1] = 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;
}
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
mb_type |= ff_mpeg4_set_direct_mv(s, mx, my);
}
- 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);
intra:
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;
else
- s->current_picture.f.mb_type[xy] = MB_TYPE_INTRA;
+ s->current_picture.mb_type[xy] = MB_TYPE_INTRA;
cbpy = get_vlc2(&s->gb, ff_h263_cbpy_vlc.table, CBPY_VLC_BITS, 1);
if(cbpy<0){
end:
/* per-MB end of slice check */
- if(s->codec_id==CODEC_ID_MPEG4){
+ if(s->codec_id==AV_CODEC_ID_MPEG4){
if(mpeg4_is_resync(s)){
const int delta= s->mb_x + 1 == s->mb_width ? 2 : 1;
- if (s->pict_type == AV_PICTURE_TYPE_B && s->next_picture.f.mbskip_table[xy + delta]) {
- ff_thread_await_progress(&s->next_picture_ptr->f,
+ if (s->pict_type == AV_PICTURE_TYPE_B && s->next_picture.mbskip_table[xy + delta]) {
+ ff_thread_await_progress(&s->next_picture_ptr->tf,
(s->mb_x + delta >= s->mb_width) ? FFMIN(s->mb_y+1, s->mb_height-1) : s->mb_y, 0);
}
- if (s->pict_type == AV_PICTURE_TYPE_B && s->next_picture.f.mbskip_table[xy + delta])
+ if (s->pict_type == AV_PICTURE_TYPE_B && s->next_picture.mbskip_table[xy + delta])
return SLICE_OK;
return SLICE_END;
}
height = get_bits(gb, 13);
skip_bits1(gb); /* marker */
if(width && height && !(s->width && s->codec_tag == AV_RL32("MP4S"))){ /* they should be non zero but who knows ... */
+ if (s->width && s->height &&
+ (s->width != width || s->height != height))
+ s->context_reinit = 1;
s->width = width;
s->height = height;
}
}
if(s->pict_type == AV_PICTURE_TYPE_S && (s->vol_sprite_usage==STATIC_SPRITE || s->vol_sprite_usage==GMC_SPRITE)){
- mpeg4_decode_sprite_trajectory(s, gb);
+ if (mpeg4_decode_sprite_trajectory(s, gb) < 0)
+ return AVERROR_INVALIDDATA;
if(s->sprite_brightness_change) av_log(s->avctx, AV_LOG_ERROR, "sprite_brightness_change not supported\n");
if(s->vol_sprite_usage==STATIC_SPRITE) av_log(s->avctx, AV_LOG_ERROR, "static sprite not supported\n");
}
s->time_increment_bits = 4; /* default value for broken headers */
avctx->chroma_sample_location = AVCHROMA_LOC_LEFT;
+ avctx->internal->allocate_progress = 1;
+
return 0;
}
AVCodec ff_mpeg4_decoder = {
.name = "mpeg4",
+ .long_name = NULL_IF_CONFIG_SMALL("MPEG-4 part 2"),
.type = AVMEDIA_TYPE_VIDEO,
- .id = CODEC_ID_MPEG4,
+ .id = AV_CODEC_ID_MPEG4,
.priv_data_size = sizeof(MpegEncContext),
.init = decode_init,
.close = ff_h263_decode_end,
CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY |
CODEC_CAP_FRAME_THREADS,
.flush = ff_mpeg_flush,
- .max_lowres = 3,
- .long_name = NULL_IF_CONFIG_SMALL("MPEG-4 part 2"),
- .pix_fmts = ff_hwaccel_pixfmt_list_420,
+ .pix_fmts = ff_h263_hwaccel_pixfmt_list_420,
.profiles = NULL_IF_CONFIG_SMALL(mpeg4_video_profiles),
.update_thread_context = ONLY_IF_THREADS_ENABLED(ff_mpeg_update_thread_context),
};
-
-
-#if CONFIG_MPEG4_VDPAU_DECODER
-AVCodec ff_mpeg4_vdpau_decoder = {
- .name = "mpeg4_vdpau",
- .type = AVMEDIA_TYPE_VIDEO,
- .id = CODEC_ID_MPEG4,
- .priv_data_size = sizeof(MpegEncContext),
- .init = decode_init,
- .close = ff_h263_decode_end,
- .decode = ff_h263_decode_frame,
- .capabilities = CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY |
- CODEC_CAP_HWACCEL_VDPAU,
- .long_name = NULL_IF_CONFIG_SMALL("MPEG-4 part 2 (VDPAU)"),
- .pix_fmts = (const enum PixelFormat[]){ PIX_FMT_VDPAU_MPEG4,
- PIX_FMT_NONE },
-};
-#endif
projects / ffmpeg / blobdiff