extern void XVMC_pack_pblocks(MpegEncContext *s,int cbp);
extern void XVMC_init_block(MpegEncContext *s);//set s->block
-static const enum PixelFormat pixfmt_yuv_420[]= {PIX_FMT_YUV420P,-1};
-static const enum PixelFormat pixfmt_yuv_422[]= {PIX_FMT_YUV422P,-1};
-static const enum PixelFormat pixfmt_yuv_444[]= {PIX_FMT_YUV444P,-1};
+static const enum PixelFormat pixfmt_yuv_420[]= {PIX_FMT_YUV420P,PIX_FMT_NONE};
+static const enum PixelFormat pixfmt_yuv_422[]= {PIX_FMT_YUV422P,PIX_FMT_NONE};
+static const enum PixelFormat pixfmt_yuv_444[]= {PIX_FMT_YUV444P,PIX_FMT_NONE};
static const enum PixelFormat pixfmt_xvmc_mpg2_420[] = {
PIX_FMT_XVMC_MPEG2_IDCT,
PIX_FMT_XVMC_MPEG2_MC,
- -1};
+ PIX_FMT_NONE};
uint8_t ff_mpeg12_static_rl_table_store[2][2][2*MAX_RUN + MAX_LEVEL + 3];
-static void init_2d_vlc_rl(RLTable *rl, int use_static)
-{
- int i;
- init_vlc(&rl->vlc, TEX_VLC_BITS, rl->n + 2,
- &rl->table_vlc[0][1], 4, 2,
- &rl->table_vlc[0][0], 4, 2, use_static);
+#define INIT_2D_VLC_RL(rl, static_size)\
+{\
+ static RL_VLC_ELEM rl_vlc_table[static_size];\
+ INIT_VLC_STATIC(&rl.vlc, TEX_VLC_BITS, rl.n + 2,\
+ &rl.table_vlc[0][1], 4, 2,\
+ &rl.table_vlc[0][0], 4, 2, static_size);\
+\
+ rl.rl_vlc[0]= rl_vlc_table;\
+ init_2d_vlc_rl(&rl);\
+}
- if(use_static)
- rl->rl_vlc[0]= av_mallocz_static(rl->vlc.table_size*sizeof(RL_VLC_ELEM));
- else
- rl->rl_vlc[0]= av_malloc(rl->vlc.table_size*sizeof(RL_VLC_ELEM));
+static void init_2d_vlc_rl(RLTable *rl)
+{
+ int i;
for(i=0; i<rl->vlc.table_size; i++){
int code= rl->vlc.table[i][0];
if (!done) {
done = 1;
- init_vlc(&dc_lum_vlc, DC_VLC_BITS, 12,
+ INIT_VLC_STATIC(&dc_lum_vlc, DC_VLC_BITS, 12,
ff_mpeg12_vlc_dc_lum_bits, 1, 1,
- ff_mpeg12_vlc_dc_lum_code, 2, 2, 1);
- init_vlc(&dc_chroma_vlc, DC_VLC_BITS, 12,
+ ff_mpeg12_vlc_dc_lum_code, 2, 2, 512);
+ INIT_VLC_STATIC(&dc_chroma_vlc, DC_VLC_BITS, 12,
ff_mpeg12_vlc_dc_chroma_bits, 1, 1,
- ff_mpeg12_vlc_dc_chroma_code, 2, 2, 1);
- init_vlc(&mv_vlc, MV_VLC_BITS, 17,
+ ff_mpeg12_vlc_dc_chroma_code, 2, 2, 514);
+ INIT_VLC_STATIC(&mv_vlc, MV_VLC_BITS, 17,
&ff_mpeg12_mbMotionVectorTable[0][1], 2, 1,
- &ff_mpeg12_mbMotionVectorTable[0][0], 2, 1, 1);
- init_vlc(&mbincr_vlc, MBINCR_VLC_BITS, 36,
+ &ff_mpeg12_mbMotionVectorTable[0][0], 2, 1, 518);
+ INIT_VLC_STATIC(&mbincr_vlc, MBINCR_VLC_BITS, 36,
&ff_mpeg12_mbAddrIncrTable[0][1], 2, 1,
- &ff_mpeg12_mbAddrIncrTable[0][0], 2, 1, 1);
- init_vlc(&mb_pat_vlc, MB_PAT_VLC_BITS, 64,
+ &ff_mpeg12_mbAddrIncrTable[0][0], 2, 1, 538);
+ INIT_VLC_STATIC(&mb_pat_vlc, MB_PAT_VLC_BITS, 64,
&ff_mpeg12_mbPatTable[0][1], 2, 1,
- &ff_mpeg12_mbPatTable[0][0], 2, 1, 1);
+ &ff_mpeg12_mbPatTable[0][0], 2, 1, 512);
- init_vlc(&mb_ptype_vlc, MB_PTYPE_VLC_BITS, 7,
+ INIT_VLC_STATIC(&mb_ptype_vlc, MB_PTYPE_VLC_BITS, 7,
&table_mb_ptype[0][1], 2, 1,
- &table_mb_ptype[0][0], 2, 1, 1);
- init_vlc(&mb_btype_vlc, MB_BTYPE_VLC_BITS, 11,
+ &table_mb_ptype[0][0], 2, 1, 64);
+ INIT_VLC_STATIC(&mb_btype_vlc, MB_BTYPE_VLC_BITS, 11,
&table_mb_btype[0][1], 2, 1,
- &table_mb_btype[0][0], 2, 1, 1);
+ &table_mb_btype[0][0], 2, 1, 64);
init_rl(&ff_rl_mpeg1, ff_mpeg12_static_rl_table_store[0]);
init_rl(&ff_rl_mpeg2, ff_mpeg12_static_rl_table_store[1]);
- init_2d_vlc_rl(&ff_rl_mpeg1, 1);
- init_2d_vlc_rl(&ff_rl_mpeg2, 1);
+ INIT_2D_VLC_RL(ff_rl_mpeg1, 680);
+ INIT_2D_VLC_RL(ff_rl_mpeg2, 674);
}
}
assert(s->mb_skipped==0);
if (s->mb_skip_run-- != 0) {
- if (s->pict_type == P_TYPE) {
+ if (s->pict_type == FF_P_TYPE) {
s->mb_skipped = 1;
s->current_picture.mb_type[ s->mb_x + s->mb_y*s->mb_stride ]= MB_TYPE_SKIP | MB_TYPE_L0 | MB_TYPE_16x16;
} else {
switch(s->pict_type) {
default:
- case I_TYPE:
+ case FF_I_TYPE:
if (get_bits1(&s->gb) == 0) {
if (get_bits1(&s->gb) == 0){
av_log(s->avctx, AV_LOG_ERROR, "invalid mb type in I Frame at %d %d\n", s->mb_x, s->mb_y);
mb_type = MB_TYPE_INTRA;
}
break;
- case P_TYPE:
+ case FF_P_TYPE:
mb_type = get_vlc2(&s->gb, mb_ptype_vlc.table, MB_PTYPE_VLC_BITS, 1);
if (mb_type < 0){
av_log(s->avctx, AV_LOG_ERROR, "invalid mb type in P Frame at %d %d\n", s->mb_x, s->mb_y);
}
mb_type = ptype2mb_type[ mb_type ];
break;
- case B_TYPE:
+ case FF_B_TYPE:
mb_type = get_vlc2(&s->gb, mb_btype_vlc.table, MB_BTYPE_VLC_BITS, 1);
if (mb_type < 0){
av_log(s->avctx, AV_LOG_ERROR, "invalid mb type in B Frame at %d %d\n", s->mb_x, s->mb_y);
} Mpeg1Context;
-static int mpeg_decode_init(AVCodecContext *avctx)
+static av_cold int mpeg_decode_init(AVCodecContext *avctx)
{
Mpeg1Context *s = avctx->priv_data;
MpegEncContext *s2 = &s->mpeg_enc_ctx;
return -1;
vbv_delay= get_bits(&s->gb, 16);
- if (s->pict_type == P_TYPE || s->pict_type == B_TYPE) {
+ if (s->pict_type == FF_P_TYPE || s->pict_type == FF_B_TYPE) {
s->full_pel[0] = get_bits1(&s->gb);
f_code = get_bits(&s->gb, 3);
if (f_code == 0 && avctx->error_resilience >= FF_ER_COMPLIANT)
s->mpeg_f_code[0][0] = f_code;
s->mpeg_f_code[0][1] = f_code;
}
- if (s->pict_type == B_TYPE) {
+ if (s->pict_type == FF_B_TYPE) {
s->full_pel[1] = get_bits1(&s->gb);
f_code = get_bits(&s->gb, 3);
if (f_code == 0 && avctx->error_resilience >= FF_ER_COMPLIANT)
s->mpeg_f_code[1][1] = f_code;
}
s->current_picture.pict_type= s->pict_type;
- s->current_picture.key_frame= s->pict_type == I_TYPE;
+ s->current_picture.key_frame= s->pict_type == FF_I_TYPE;
if(avctx->debug & FF_DEBUG_PICT_INFO)
av_log(avctx, AV_LOG_DEBUG, "vbv_delay %d, ref %d type:%d\n", vbv_delay, ref, s->pict_type);
if(s->avctx->debug&FF_DEBUG_PICT_INFO){
av_log(s->avctx, AV_LOG_DEBUG, "qp:%d fc:%2d%2d%2d%2d %s %s %s %s %s dc:%d pstruct:%d fdct:%d cmv:%d qtype:%d ivlc:%d rff:%d %s\n",
s->qscale, s->mpeg_f_code[0][0],s->mpeg_f_code[0][1],s->mpeg_f_code[1][0],s->mpeg_f_code[1][1],
- s->pict_type == I_TYPE ? "I" : (s->pict_type == P_TYPE ? "P" : (s->pict_type == B_TYPE ? "B" : "S")),
+ s->pict_type == FF_I_TYPE ? "I" : (s->pict_type == FF_P_TYPE ? "P" : (s->pict_type == FF_B_TYPE ? "B" : "S")),
s->progressive_sequence ? "ps" :"", s->progressive_frame ? "pf" : "", s->alternate_scan ? "alt" :"", s->top_field_first ? "top" :"",
s->intra_dc_precision, s->picture_structure, s->frame_pred_frame_dct, s->concealment_motion_vectors,
s->q_scale_type, s->intra_vlc_format, s->repeat_first_field, s->chroma_420_type ? "420" :"");
for(i=0; i<2; i++){
for(dir=0; dir<2; dir++){
- if (s->mb_intra || (dir==1 && s->pict_type != B_TYPE)) {
+ if (s->mb_intra || (dir==1 && s->pict_type != FF_B_TYPE)) {
motion_x = motion_y = 0;
}else if (s->mv_type == MV_TYPE_16X16 || (s->mv_type == MV_TYPE_FIELD && field_pic)){
motion_x = s->mv[dir][0][0];
if(s->mb_y<<field_pic >= s->mb_height){
int left= s->gb.size_in_bits - get_bits_count(&s->gb);
- int is_d10= s->chroma_format==2 && s->pict_type==I_TYPE && avctx->profile==0 && avctx->level==5
+ int is_d10= s->chroma_format==2 && s->pict_type==FF_I_TYPE && avctx->profile==0 && avctx->level==5
&& s->intra_dc_precision == 2 && s->q_scale_type == 1 && s->alternate_scan == 0
&& s->progressive_frame == 0 /* vbv_delay == 0xBBB || 0xE10*/;
}
if(s->mb_skip_run){
int i;
- if(s->pict_type == I_TYPE){
+ if(s->pict_type == FF_I_TYPE){
av_log(s->avctx, AV_LOG_ERROR, "skipped MB in I frame at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
s->mv_type = MV_TYPE_16X16;
else
s->mv_type = MV_TYPE_FIELD;
- if (s->pict_type == P_TYPE) {
+ if (s->pict_type == FF_P_TYPE) {
/* if P type, zero motion vector is implied */
s->mv_dir = MV_DIR_FORWARD;
s->mv[0][0][0] = s->mv[0][0][1] = 0;
}
}
eos: // end of slice
- *buf += get_bits_count(&s->gb)/8 - 1;
+ *buf += (get_bits_count(&s->gb)-1)/8;
//printf("y %d %d %d %d\n", s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y);
return 0;
}
MPV_frame_end(s);
- if (s->pict_type == B_TYPE || s->low_delay) {
+ if (s->pict_type == FF_B_TYPE || s->low_delay) {
*pict= *(AVFrame*)s->current_picture_ptr;
ff_print_debug_info(s, pict);
} else {
width = get_bits(&s->gb, 12);
height = get_bits(&s->gb, 12);
- if (width <= 0 || height <= 0 ||
- (width % 2) != 0 || (height % 2) != 0)
+ if (width <= 0 || height <= 0)
return -1;
s->aspect_ratio_info= get_bits(&s->gb, 4);
- if (s->aspect_ratio_info == 0)
- return -1;
+ if (s->aspect_ratio_info == 0) {
+ av_log(avctx, AV_LOG_ERROR, "aspect ratio has forbidden 0 value\n");
+ if (avctx->error_resilience >= FF_ER_COMPLIANT)
+ return -1;
+ }
s->frame_rate_index = get_bits(&s->gb, 4);
if (s->frame_rate_index == 0 || s->frame_rate_index > 13)
return -1;
int drop_frame_flag;
int time_code_hours, time_code_minutes;
int time_code_seconds, time_code_pictures;
- int broken_link;
+ int closed_gop, broken_link;
init_get_bits(&s->gb, buf, buf_size*8);
time_code_seconds = get_bits(&s->gb,6);
time_code_pictures = get_bits(&s->gb,6);
+ closed_gop = get_bits1(&s->gb);
/*broken_link indicate that after editing the
reference frames of the first B-Frames after GOP I-Frame
are missing (open gop)*/
broken_link = get_bits1(&s->gb);
if(s->avctx->debug & FF_DEBUG_PICT_INFO)
- av_log(s->avctx, AV_LOG_DEBUG, "GOP (%2d:%02d:%02d.[%02d]) broken_link=%d\n",
+ av_log(s->avctx, AV_LOG_DEBUG, "GOP (%2d:%02d:%02d.[%02d]) closed_gop=%d broken_link=%d\n",
time_code_hours, time_code_minutes, time_code_seconds,
- time_code_pictures, broken_link);
+ time_code_pictures, closed_gop, broken_link);
}
/**
* finds the end of the current frame in the bitstream.
int i;
uint32_t state= pc->state;
- i=0;
- if(!pc->frame_start_found){
- for(i=0; i<buf_size; i++){
+ /* EOF considered as end of frame */
+ if (buf_size == 0)
+ return 0;
+
+/*
+ 0 frame start -> 1/4
+ 1 first_SEQEXT -> 0/2
+ 2 first field start -> 3/0
+ 3 second_SEQEXT -> 2/0
+ 4 searching end
+*/
+
+ for(i=0; i<buf_size; i++){
+ assert(pc->frame_start_found>=0 && pc->frame_start_found<=4);
+ if(pc->frame_start_found&1){
+ if(state == EXT_START_CODE && (buf[i]&0xF0) != 0x80)
+ pc->frame_start_found--;
+ else if(state == EXT_START_CODE+2){
+ if((buf[i]&3) == 3) pc->frame_start_found= 0;
+ else pc->frame_start_found= (pc->frame_start_found+1)&3;
+ }
+ state++;
+ }else{
i= ff_find_start_code(buf+i, buf+buf_size, &state) - buf - 1;
- if(state >= SLICE_MIN_START_CODE && state <= SLICE_MAX_START_CODE){
+ if(pc->frame_start_found==0 && state >= SLICE_MIN_START_CODE && state <= SLICE_MAX_START_CODE){
i++;
- pc->frame_start_found=1;
- break;
+ pc->frame_start_found=4;
}
if(state == SEQ_END_CODE){
pc->state=-1;
return i+1;
}
- }
- }
-
- if(pc->frame_start_found){
- /* EOF considered as end of frame */
- if (buf_size == 0)
- return 0;
- for(; i<buf_size; i++){
- i= ff_find_start_code(buf+i, buf+buf_size, &state) - buf - 1;
- if((state&0xFFFFFF00) == 0x100){
+ if(pc->frame_start_found==2 && state == SEQ_START_CODE)
+ pc->frame_start_found= 0;
+ if(pc->frame_start_found<4 && state == EXT_START_CODE)
+ pc->frame_start_found++;
+ if(pc->frame_start_found == 4 && (state&0xFFFFFF00) == 0x100){
if(state < SLICE_MIN_START_CODE || state > SLICE_MAX_START_CODE){
pc->frame_start_found=0;
pc->state=-1;
return END_NOT_FOUND;
}
+static int decode_chunks(AVCodecContext *avctx,
+ AVFrame *picture, int *data_size,
+ const uint8_t *buf, int buf_size);
+
/* handle buffering and image synchronisation */
static int mpeg_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
const uint8_t *buf, int buf_size)
{
Mpeg1Context *s = avctx->priv_data;
- const uint8_t *buf_end;
- const uint8_t *buf_ptr;
- uint32_t start_code;
- int ret, input_size;
AVFrame *picture = data;
MpegEncContext *s2 = &s->mpeg_enc_ctx;
dprintf(avctx, "fill_buffer\n");
return buf_size;
}
- buf_ptr = buf;
- buf_end = buf + buf_size;
-
#if 0
if (s->repeat_field % 2 == 1) {
s->repeat_field++;
s->slice_count= 0;
+ if(avctx->extradata && !avctx->frame_number)
+ decode_chunks(avctx, picture, data_size, avctx->extradata, avctx->extradata_size);
+
+ return decode_chunks(avctx, picture, data_size, buf, buf_size);
+}
+
+static int decode_chunks(AVCodecContext *avctx,
+ AVFrame *picture, int *data_size,
+ const uint8_t *buf, int buf_size)
+{
+ Mpeg1Context *s = avctx->priv_data;
+ MpegEncContext *s2 = &s->mpeg_enc_ctx;
+ const uint8_t *buf_ptr = buf;
+ const uint8_t *buf_end = buf + buf_size;
+ int ret, input_size;
+
for(;;) {
/* find start next code */
- start_code = -1;
+ uint32_t start_code = -1;
buf_ptr = ff_find_start_code(buf_ptr,buf_end, &start_code);
if (start_code > 0x1ff){
- if(s2->pict_type != B_TYPE || avctx->skip_frame <= AVDISCARD_DEFAULT){
+ if(s2->pict_type != FF_B_TYPE || avctx->skip_frame <= AVDISCARD_DEFAULT){
if(avctx->thread_count > 1){
int i;
input_size = buf_end - buf_ptr;
if(avctx->debug & FF_DEBUG_STARTCODE){
- av_log(avctx, AV_LOG_DEBUG, "%3X at %zd left %d\n", start_code, buf_ptr-buf, input_size);
+ av_log(avctx, AV_LOG_DEBUG, "%3X at %td left %d\n", start_code, buf_ptr-buf, input_size);
}
/* prepare data for next start code */
if(s2->last_picture_ptr==NULL){
/* Skip B-frames if we do not have reference frames. */
- if(s2->pict_type==B_TYPE) break;
+ if(s2->pict_type==FF_B_TYPE) break;
}
if(s2->next_picture_ptr==NULL){
/* Skip P-frames if we do not have reference frame no valid header. */
- if(s2->pict_type==P_TYPE && (s2->first_field || s2->picture_structure==PICT_FRAME)) break;
+ if(s2->pict_type==FF_P_TYPE && (s2->first_field || s2->picture_structure==PICT_FRAME)) break;
}
/* Skip B-frames if we are in a hurry. */
- if(avctx->hurry_up && s2->pict_type==B_TYPE) break;
- if( (avctx->skip_frame >= AVDISCARD_NONREF && s2->pict_type==B_TYPE)
- ||(avctx->skip_frame >= AVDISCARD_NONKEY && s2->pict_type!=I_TYPE)
+ if(avctx->hurry_up && s2->pict_type==FF_B_TYPE) break;
+ if( (avctx->skip_frame >= AVDISCARD_NONREF && s2->pict_type==FF_B_TYPE)
+ ||(avctx->skip_frame >= AVDISCARD_NONKEY && s2->pict_type!=FF_I_TYPE)
|| avctx->skip_frame >= AVDISCARD_ALL)
break;
/* Skip everything if we are in a hurry>=5. */
mpeg_decode_frame,
CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY,
.flush= ff_mpeg_flush,
+ .long_name= NULL_IF_CONFIG_SMALL("MPEG-1 video"),
};
AVCodec mpeg2video_decoder = {
mpeg_decode_frame,
CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY,
.flush= ff_mpeg_flush,
+ .long_name= NULL_IF_CONFIG_SMALL("MPEG-2 video"),
};
//legacy decoder
mpeg_decode_frame,
CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY,
.flush= ff_mpeg_flush,
+ .long_name= NULL_IF_CONFIG_SMALL("MPEG-1 video"),
};
#ifdef HAVE_XVMC
-static int mpeg_mc_decode_init(AVCodecContext *avctx){
+static av_cold int mpeg_mc_decode_init(AVCodecContext *avctx){
Mpeg1Context *s;
if( avctx->thread_count > 1)
mpeg_decode_frame,
CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED| CODEC_CAP_HWACCEL | CODEC_CAP_DELAY,
.flush= ff_mpeg_flush,
+ .long_name = NULL_IF_CONFIG_SMALL("MPEG-1 video XvMC (X-Video Motion Compensation)"),
};
#endif