if(for_deblock){
topleft_type = 0;
topright_type = 0;
- top_type = h->slice_table[top_xy ] < 255 ? s->current_picture.mb_type[top_xy] : 0;
- left_type[0] = h->slice_table[left_xy[0] ] < 255 ? s->current_picture.mb_type[left_xy[0]] : 0;
- left_type[1] = h->slice_table[left_xy[1] ] < 255 ? s->current_picture.mb_type[left_xy[1]] : 0;
+ top_type = h->slice_table[top_xy ] < 0xFFFF ? s->current_picture.mb_type[top_xy] : 0;
+ left_type[0] = h->slice_table[left_xy[0] ] < 0xFFFF ? s->current_picture.mb_type[left_xy[0]] : 0;
+ left_type[1] = h->slice_table[left_xy[1] ] < 0xFFFF ? s->current_picture.mb_type[left_xy[1]] : 0;
if(MB_MBAFF && !IS_INTRA(mb_type)){
int list;
CHECKED_ALLOCZ(h->intra4x4_pred_mode, big_mb_num * 8 * sizeof(uint8_t))
CHECKED_ALLOCZ(h->non_zero_count , big_mb_num * 16 * sizeof(uint8_t))
- CHECKED_ALLOCZ(h->slice_table_base , (big_mb_num+s->mb_stride) * sizeof(uint8_t))
+ CHECKED_ALLOCZ(h->slice_table_base , (big_mb_num+s->mb_stride) * sizeof(*h->slice_table_base))
CHECKED_ALLOCZ(h->cbp_table, big_mb_num * sizeof(uint16_t))
CHECKED_ALLOCZ(h->chroma_pred_mode_table, big_mb_num * sizeof(uint8_t))
CHECKED_ALLOCZ(h->mvd_table[1], 32*big_mb_num * sizeof(uint16_t));
CHECKED_ALLOCZ(h->direct_table, 32*big_mb_num * sizeof(uint8_t));
- memset(h->slice_table_base, -1, (big_mb_num+s->mb_stride) * sizeof(uint8_t));
+ memset(h->slice_table_base, -1, (big_mb_num+s->mb_stride) * sizeof(*h->slice_table_base));
h->slice_table= h->slice_table_base + s->mb_stride*2 + 1;
CHECKED_ALLOCZ(h->mb2b_xy , big_mb_num * sizeof(uint32_t));
/* some macroblocks will be accessed before they're available */
if(FRAME_MBAFF || s->avctx->thread_count > 1)
- memset(h->slice_table, -1, (s->mb_height*s->mb_stride-1) * sizeof(uint8_t));
+ memset(h->slice_table, -1, (s->mb_height*s->mb_stride-1) * sizeof(*h->slice_table));
// s->decode= (s->flags&CODEC_FLAG_PSNR) || !s->encoding || s->current_picture.reference /*|| h->contains_intra*/ || 1;
h0->last_slice_type = slice_type;
h->slice_num = ++h0->current_slice;
+ if(h->slice_num >= MAX_SLICES){
+ av_log(s->avctx, AV_LOG_ERROR, "Too many slices, increase MAX_SLICES and recompile\n");
+ }
for(j=0; j<2; j++){
- int *ref2frm= h->ref2frm[h->slice_num&15][j];
+ int *ref2frm= h->ref2frm[h->slice_num&(MAX_SLICES-1)][j];
ref2frm[0]=
ref2frm[1]= -1;
for(i=0; i<16; i++)
if (FRAME_MBAFF
// left mb is in picture
- && h->slice_table[mb_xy-1] != 255
+ && h->slice_table[mb_xy-1] != 0xFFFF
// and current and left pair do not have the same interlaced type
&& (IS_INTERLACED(mb_type) != IS_INTERLACED(s->current_picture.mb_type[mb_xy-1]))
// and left mb is in the same slice if deblocking_filter == 2
int edge;
const int mbm_xy = dir == 0 ? mb_xy -1 : h->top_mb_xy;
const int mbm_type = s->current_picture.mb_type[mbm_xy];
- int (*ref2frm) [64] = h->ref2frm[ h->slice_num &15 ][0] + (MB_MBAFF ? 20 : 2);
- int (*ref2frmm)[64] = h->ref2frm[ h->slice_table[mbm_xy]&15 ][0] + (MB_MBAFF ? 20 : 2);
- int start = h->slice_table[mbm_xy] == 255 ? 1 : 0;
+ int (*ref2frm) [64] = h->ref2frm[ h->slice_num &(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);
+ int (*ref2frmm)[64] = h->ref2frm[ h->slice_table[mbm_xy]&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);
+ int start = h->slice_table[mbm_xy] == 0xFFFF ? 1 : 0;
const int edges = (mb_type & (MB_TYPE_16x16|MB_TYPE_SKIP))
== (MB_TYPE_16x16|MB_TYPE_SKIP) ? 1 : 4;
}
}
-static int decode_slice(struct AVCodecContext *avctx, H264Context *h){
+static int decode_slice(struct AVCodecContext *avctx, void *arg){
+ H264Context *h = *(void**)arg;
MpegEncContext * const s = &h->s;
const int part_mask= s->partitioned_frame ? (AC_END|AC_ERROR) : 0x7F;
return -1; //not reached
}
+static int decode_picture_timing(H264Context *h){
+ MpegEncContext * const s = &h->s;
+ if(h->sps.nal_hrd_parameters_present_flag || h->sps.vcl_hrd_parameters_present_flag){
+ skip_bits(&s->gb, h->sps.cpb_removal_delay_length); /* cpb_removal_delay */
+ skip_bits(&s->gb, h->sps.dpb_output_delay_length); /* dpb_output_delay */
+ }
+ if(h->sps.pic_struct_present_flag){
+ unsigned int i, num_clock_ts;
+ h->sei_pic_struct = get_bits(&s->gb, 4);
+
+ if (h->sei_pic_struct > SEI_PIC_STRUCT_FRAME_TRIPLING)
+ return -1;
+
+ num_clock_ts = sei_num_clock_ts_table[h->sei_pic_struct];
+
+ for (i = 0 ; i < num_clock_ts ; i++){
+ if(get_bits(&s->gb, 1)){ /* clock_timestamp_flag */
+ unsigned int full_timestamp_flag;
+ skip_bits(&s->gb, 2); /* ct_type */
+ skip_bits(&s->gb, 1); /* nuit_field_based_flag */
+ skip_bits(&s->gb, 5); /* counting_type */
+ full_timestamp_flag = get_bits(&s->gb, 1);
+ skip_bits(&s->gb, 1); /* discontinuity_flag */
+ skip_bits(&s->gb, 1); /* cnt_dropped_flag */
+ skip_bits(&s->gb, 8); /* n_frames */
+ if(full_timestamp_flag){
+ skip_bits(&s->gb, 6); /* seconds_value 0..59 */
+ skip_bits(&s->gb, 6); /* minutes_value 0..59 */
+ skip_bits(&s->gb, 5); /* hours_value 0..23 */
+ }else{
+ if(get_bits(&s->gb, 1)){ /* seconds_flag */
+ skip_bits(&s->gb, 6); /* seconds_value range 0..59 */
+ if(get_bits(&s->gb, 1)){ /* minutes_flag */
+ skip_bits(&s->gb, 6); /* minutes_value 0..59 */
+ if(get_bits(&s->gb, 1)) /* hours_flag */
+ skip_bits(&s->gb, 5); /* hours_value 0..23 */
+ }
+ }
+ }
+ if(h->sps.time_offset_length > 0)
+ skip_bits(&s->gb, h->sps.time_offset_length); /* time_offset */
+ }
+ }
+ }
+ return 0;
+}
+
static int decode_unregistered_user_data(H264Context *h, int size){
MpegEncContext * const s = &h->s;
uint8_t user_data[16+256];
}while(get_bits(&s->gb, 8) == 255);
switch(type){
+ case 1: // Picture timing SEI
+ if(decode_picture_timing(h) < 0)
+ return -1;
+ break;
case 5:
if(decode_unregistered_user_data(h, size) < 0)
return -1;
get_bits1(&s->gb); /* cbr_flag */
}
get_bits(&s->gb, 5); /* initial_cpb_removal_delay_length_minus1 */
- get_bits(&s->gb, 5); /* cpb_removal_delay_length_minus1 */
- get_bits(&s->gb, 5); /* dpb_output_delay_length_minus1 */
- get_bits(&s->gb, 5); /* time_offset_length */
+ sps->cpb_removal_delay_length = get_bits(&s->gb, 5) + 1;
+ sps->dpb_output_delay_length = get_bits(&s->gb, 5) + 1;
+ sps->time_offset_length = get_bits(&s->gb, 5);
}
static inline int decode_vui_parameters(H264Context *h, SPS *sps){
MpegEncContext * const s = &h->s;
int aspect_ratio_info_present_flag;
unsigned int aspect_ratio_idc;
- int nal_hrd_parameters_present_flag, vcl_hrd_parameters_present_flag;
aspect_ratio_info_present_flag= get_bits1(&s->gb);
sps->fixed_frame_rate_flag = get_bits1(&s->gb);
}
- nal_hrd_parameters_present_flag = get_bits1(&s->gb);
- if(nal_hrd_parameters_present_flag)
+ sps->nal_hrd_parameters_present_flag = get_bits1(&s->gb);
+ if(sps->nal_hrd_parameters_present_flag)
decode_hrd_parameters(h, sps);
- vcl_hrd_parameters_present_flag = get_bits1(&s->gb);
- if(vcl_hrd_parameters_present_flag)
+ sps->vcl_hrd_parameters_present_flag = get_bits1(&s->gb);
+ if(sps->vcl_hrd_parameters_present_flag)
decode_hrd_parameters(h, sps);
- if(nal_hrd_parameters_present_flag || vcl_hrd_parameters_present_flag)
+ if(sps->nal_hrd_parameters_present_flag || sps->vcl_hrd_parameters_present_flag)
get_bits1(&s->gb); /* low_delay_hrd_flag */
- get_bits1(&s->gb); /* pic_struct_present_flag */
+ sps->pic_struct_present_flag = get_bits1(&s->gb);
sps->bitstream_restriction_flag = get_bits1(&s->gb);
if(sps->bitstream_restriction_flag){
int i;
if(context_count == 1) {
- decode_slice(avctx, h);
+ decode_slice(avctx, &h);
} else {
for(i = 1; i < context_count; i++) {
hx = h->thread_context[i];
}
avctx->execute(avctx, (void *)decode_slice,
- (void **)h->thread_context, NULL, context_count);
+ (void **)h->thread_context, NULL, context_count, sizeof(void*));
/* pull back stuff from slices to master context */
hx = h->thread_context[context_count - 1];
*data_size = 0;
} else {
- cur->interlaced_frame = FIELD_OR_MBAFF_PICTURE;
- /* Derive top_field_first from field pocs. */
- cur->top_field_first = cur->field_poc[0] < cur->field_poc[1];
+ cur->repeat_pict = 0;
+
+ /* Signal interlacing information externally. */
+ /* Prioritize picture timing SEI information over used decoding process if it exists. */
+ if(h->sps.pic_struct_present_flag){
+ switch (h->sei_pic_struct)
+ {
+ case SEI_PIC_STRUCT_FRAME:
+ cur->interlaced_frame = 0;
+ break;
+ case SEI_PIC_STRUCT_TOP_FIELD:
+ case SEI_PIC_STRUCT_BOTTOM_FIELD:
+ case SEI_PIC_STRUCT_TOP_BOTTOM:
+ case SEI_PIC_STRUCT_BOTTOM_TOP:
+ cur->interlaced_frame = 1;
+ break;
+ case SEI_PIC_STRUCT_TOP_BOTTOM_TOP:
+ case SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM:
+ // Signal the possibility of telecined film externally (pic_struct 5,6)
+ // From these hints, let the applications decide if they apply deinterlacing.
+ cur->repeat_pict = 1;
+ cur->interlaced_frame = FIELD_OR_MBAFF_PICTURE;
+ break;
+ case SEI_PIC_STRUCT_FRAME_DOUBLING:
+ // Force progressive here, as doubling interlaced frame is a bad idea.
+ cur->interlaced_frame = 0;
+ cur->repeat_pict = 2;
+ break;
+ case SEI_PIC_STRUCT_FRAME_TRIPLING:
+ cur->interlaced_frame = 0;
+ cur->repeat_pict = 4;
+ break;
+ }
+ }else{
+ /* Derive interlacing flag from used decoding process. */
+ cur->interlaced_frame = FIELD_OR_MBAFF_PICTURE;
+ }
+
+ if (cur->field_poc[0] != cur->field_poc[1]){
+ /* Derive top_field_first from field pocs. */
+ cur->top_field_first = cur->field_poc[0] < cur->field_poc[1];
+ }else{
+ if(cur->interlaced_frame || h->sps.pic_struct_present_flag){
+ /* Use picture timing SEI information. Even if it is a information of a past frame, better than nothing. */
+ if(h->sei_pic_struct == SEI_PIC_STRUCT_TOP_BOTTOM
+ || h->sei_pic_struct == SEI_PIC_STRUCT_TOP_BOTTOM_TOP)
+ cur->top_field_first = 1;
+ else
+ cur->top_field_first = 0;
+ }else{
+ /* Most likely progressive */
+ cur->top_field_first = 0;
+ }
+ }
//FIXME do something with unavailable reference frames
projects / ffmpeg / blobdiff