| public ff_generate_sliding_window_mmcos ( ) : void | ||
| return | void | |
/**
* decodes a slice header.
* This will also call MPV_common_init() and frame_start() as needed.
*
* @param h h264context
* @param h0 h264 master context (differs from 'h' when doing sliced based parallel decoding)
*
* @return 0 if okay, <0 if an error occurred, 1 if decoding must not be multithreaded
*/
public static int decode_slice_header(H264Context h, H264Context h0)
{
MpegEncContext s = h.s;
MpegEncContext s0 = h0.s;
/*unsigned */
int first_mb_in_slice;
/*unsigned */
int pps_id;
int num_ref_idx_active_override_flag;
/*unsigned */
int slice_type, tmp, i, j;
int default_ref_list_done = 0;
int last_pic_structure;
s.dropable = (h.nal_ref_idc == 0) ? 1 : 0;
s.me.qpel_put = DSPContext.put_h264_qpel_pixels_tab;
s.me.qpel_avg = DSPContext.avg_h264_qpel_pixels_tab;
first_mb_in_slice = s.gb.get_ue_golomb("first_mb_in_slice");
if (first_mb_in_slice == 0)
{ //FIXME better field boundary detection
if ((h0.current_slice != 0) && (s.picture_structure != Constants.PICT_FRAME))
{
h.field_end();
} // if
h0.current_slice = 0;
if (0 == s0.first_field)
s.current_picture_ptr = null;
}
slice_type = s.gb.get_ue_golomb_31("slice_type");
if (slice_type > 9)
{
// DebugTool.printDebugString(" --- decode_slide_header error case 0\n");
//av_log(h.s.avctx, AV_LOG_ERROR, "slice type too large (%d) at %d %d\n", h.slice_type, s.mb_x, s.mb_y);
return -60;
}
if (slice_type > 4)
{
slice_type -= 5;
h.slice_type_fixed = 1;
}
else
h.slice_type_fixed = 0;
slice_type = H264Data.golomb_to_pict_type[slice_type];
/*
if(slice_type == H264Context.FF_I_TYPE) {
//Console.WriteLine("Decoding I-Slice.");
} else if(slice_type == H264Context.FF_P_TYPE) {
//Console.WriteLine("Decoding P-Slice.");
} else if(slice_type == H264Context.FF_B_TYPE) {
//Console.WriteLine("Decoding B-Slice.");
} else if(slice_type == H264Context.FF_S_TYPE) {
//Console.WriteLine("Decoding S-Slice.");
} else if(slice_type == H264Context.FF_SI_TYPE) {
//Console.WriteLine("Decoding SI-Slice.");
} else if(slice_type == H264Context.FF_SP_TYPE) {
//Console.WriteLine("Decoding SP-Slice.");
} else if(slice_type == H264Context.FF_BI_TYPE) {
//Console.WriteLine("Decoding BI-Slice.");
} // if
*/
if (slice_type == FF_I_TYPE
|| (h0.current_slice != 0 && slice_type == h0.last_slice_type))
{
default_ref_list_done = 1;
}
h.slice_type = slice_type;
h.slice_type_nos = slice_type & 3;
s.pict_type = h.slice_type; // to make a few old functions happy, it's wrong though
pps_id = s.gb.get_ue_golomb("pps_id");
if (pps_id >= MAX_PPS_COUNT)
{
//av_log(h.s.avctx, AV_LOG_ERROR, "pps_id out of range\n");
// DebugTool.printDebugString(" --- decode_slide_header error case 1\n");
return -61;
}
if (null == h0.pps_buffers[pps_id])
{
//av_log(h.s.avctx, AV_LOG_ERROR, "non-existing PPS %u referenced\n", pps_id);
// DebugTool.printDebugString(" --- decode_slide_header error case 2\n");
return -62;
}
h0.pps_buffers[pps_id].copyTo(h.pps);
if (null == h0.sps_buffers[(int)h.pps.sps_id])
{
//av_log(h.s.avctx, AV_LOG_ERROR, "non-existing SPS %u referenced\n", h.pps.sps_id);
// DebugTool.printDebugString(" --- decode_slide_header error case 3\n");
return -63;
}
h0.sps_buffers[(int)h.pps.sps_id].copyTo(h.sps);
s.profile = h.sps.profile_idc;
s.level = h.sps.level_idc;
s.refs = h.sps.ref_frame_count;
if (h == h0 && h.dequant_coeff_pps != pps_id)
{
h.dequant_coeff_pps = pps_id;
h.init_dequant_tables();
}
s.mb_width = h.sps.mb_width;
s.mb_height = h.sps.mb_height * (2 - h.sps.frame_mbs_only_flag);
h.b_stride = s.mb_width * 4;
s.width = (int)(16 * s.mb_width - 2 * Math.Min(h.sps.crop_right, 7));
if (h.sps.frame_mbs_only_flag != 0)
s.height = (int)(16 * s.mb_height - 2 * Math.Min(h.sps.crop_bottom, 7));
else
s.height = (int)(16 * s.mb_height - 4 * Math.Min(h.sps.crop_bottom, 7));
if (s.context_initialized != 0
&& ( /*s.width != s.avctx.width || s.height != s.avctx.height
||*/ av_cmp_q(h.sps.sar, s.sample_aspect_ratio) != 0))
{
if (h != h0)
{
// DebugTool.printDebugString(" --- decode_slide_header error case 4\n");
return -64; // width / height changed during parallelized decoding
}
h.free_tables();
s.flush_dpb();
s.MPV_common_end();
}
if (0 == s.context_initialized)
{
if (h != h0)
{
// DebugTool.printDebugString(" --- decode_slide_header error case 5\n");
return -65; // we cant (re-)initialize context during parallel decoding
}
s.avcodec_set_dimensions(s.width, s.height);
s.sample_aspect_ratio = h.sps.sar;
//av_assert0(s.avctx.sample_aspect_ratio.den);
if (0 != h.sps.video_signal_type_present_flag)
{
s.color_range = ((h.sps.full_range != 0) ? MpegEncContext.AVCOL_RANGE_JPEG : MpegEncContext.AVCOL_RANGE_MPEG);
if (h.sps.colour_description_present_flag != 0)
{
s.color_primaries = h.sps.color_primaries;
s.color_trc = h.sps.color_trc;
s.colorspace = h.sps.colorspace;
}
}
if (h.sps.timing_info_present_flag != 0)
{
long den = h.sps.time_scale;
if (h.x264_build < 44)
den *= 2;
int[] param = new int[] { s.time_base.num, s.time_base.den, };
av_reduce(param,
h.sps.num_units_in_tick, den, 1 << 30);
s.time_base.num = param[0];
s.time_base.den = param[1];
}
s.pix_fmt = MpegEncContext.get_format(
s.codec.pix_fmts != null ?
s.codec.pix_fmts :
s.color_range == MpegEncContext.AVCOL_RANGE_JPEG ?
hwaccel_pixfmt_list_h264_jpeg_420 :
MpegEncContext.ff_hwaccel_pixfmt_list_420);
s.hwaccel = 0; // No H/W Accel!! // ff_find_hwaccel(s.avctx.codec.id, s.avctx.pix_fmt);
if (s.MPV_common_init() < 0)
{
// DebugTool.printDebugString(" --- decode_slide_header error case 6\n");
return -66;
}
s.first_field = 0;
h.prev_interlaced_frame = 1;
h.init_scan_tables();
h.ff_h264_alloc_tables();
/*// We use single thread decoder
for(i = 1; i < 1; i++) {
H264Context c;
c = h.thread_context[i] = new H264Context();
memcpy(c, h.s.thread_context[i], sizeof(MpegEncContext));
memset(&c->s + 1, 0, sizeof(H264Context) - sizeof(MpegEncContext));
c.h264dsp = h.h264dsp;
c.sps = h.sps;
c.pps = h.pps;
c.init_scan_tables();
clone_tables(c, h, i);
}
*/
for (i = 0; i < s.thread_count; i++)
if (h.thread_context[i].context_init() < 0)
{
// DebugTool.printDebugString(" --- decode_slide_header error case 7\n");
return -67;
}
}
h.frame_num = (int)s.gb.get_bits(h.sps.log2_max_frame_num, "frame_num");
h.mb_mbaff = 0;
h.mb_aff_frame = 0;
last_pic_structure = s0.picture_structure;
if (h.sps.frame_mbs_only_flag != 0)
{
s.picture_structure = Constants.PICT_FRAME;
}
else
{
if (s.gb.get_bits1("field_pic_flag") != 0)
{ //field_pic_flag
s.picture_structure = (int)(Constants.PICT_TOP_FIELD + s.gb.get_bits1("bottom_field_flag")); //bottom_field_flag
}
else
{
s.picture_structure = Constants.PICT_FRAME;
h.mb_aff_frame = h.sps.mb_aff;
}
}
h.mb_field_decoding_flag = ((s.picture_structure) != Constants.PICT_FRAME ? 1 : 0);
if (h0.current_slice == 0)
{
while (h.frame_num != h.prev_frame_num &&
h.frame_num != ((h.prev_frame_num + 1) % (1 << h.sps.log2_max_frame_num)))
{
AVFrame prev = ((h.short_ref_count != 0) ? h.short_ref[0] : null);
//av_log(h.s.avctx, AV_LOG_DEBUG, "Frame num gap %d %d\n", h.frame_num, h.prev_frame_num);
if (h.ff_h264_frame_start() < 0)
{
// DebugTool.printDebugString(" --- decode_slide_header error case 8\n");
return -68;
}
h.prev_frame_num++;
h.prev_frame_num %= 1 << h.sps.log2_max_frame_num;
s.current_picture_ptr.frame_num = h.prev_frame_num;
h.ff_generate_sliding_window_mmcos();
h.ff_h264_execute_ref_pic_marking(h.mmco, h.mmco_index);
/* Error concealment: if a ref is missing, copy the previous ref in its place.
* FIXME: avoiding a memcpy would be nice, but ref handling makes many assumptions
* about there being no actual duplicates.
* FIXME: this doesn't copy padding for out-of-frame motion vectors. Given we're
* concealing a lost frame, this probably isn't noticable by comparison, but it should
* be fixed. */
if (h.short_ref_count != 0)
{
if (prev != null)
{
ImageUtils.av_image_copy(h.short_ref[0].data_base,
h.short_ref[0].data_offset,
h.short_ref[0].linesize,
/*( uint8_t**)*/prev.data_base, prev.data_offset, prev.linesize,
s.pix_fmt, s.mb_width * 16, s.mb_height * 16);
h.short_ref[0].poc = prev.poc + 2;
}
h.short_ref[0].frame_num = h.prev_frame_num;
}
}
/* See if we have a decoded first field looking for a pair... */
if (s0.first_field != 0)
{
////assert(s0.current_picture_ptr);
////assert(s0.current_picture_ptr->data[0]);
////assert(s0.current_picture_ptr->reference != DELAYED_PIC_REF);
/* figure out if we have a complementary field pair */
if (!(s.picture_structure != Constants.PICT_FRAME) || s.picture_structure == last_pic_structure)
{
/*
* Previous field is unmatched. Don't display it, but let it
* remain for reference if marked as such.
*/
s0.current_picture_ptr = null;
s0.first_field = ((s.picture_structure != Constants.PICT_FRAME) ? 1 : 0);
}
else
{
if (h.nal_ref_idc != 0 &&
s0.current_picture_ptr.reference != 0 &&
s0.current_picture_ptr.frame_num != h.frame_num)
{
/*
* This and previous field were reference, but had
* different frame_nums. Consider this field first in
* pair. Throw away previous field except for reference
* purposes.
*/
s0.first_field = 1;
s0.current_picture_ptr = null;
}
else
{
/* Second field in complementary pair */
s0.first_field = 0;
}
}
}
else
{
/* Frame or first field in a potentially complementary pair */
////assert(!s0.current_picture_ptr);
s0.first_field = ((s.picture_structure != Constants.PICT_FRAME) ? 1 : 0);
}
if ((0 == ((s.picture_structure != Constants.PICT_FRAME) ? 1 : 0) || 0 != s0.first_field) && h.ff_h264_frame_start() < 0)
{
s0.first_field = 0;
// DebugTool.printDebugString(" --- decode_slide_header error case 9\n");
return -69;
}
}
if (h != h0)
clone_slice(h, h0);
s.current_picture_ptr.frame_num = h.frame_num; //FIXME frame_num cleanup
////assert(s.mb_num == s.mb_width * s.mb_height);
if (first_mb_in_slice << ((h.mb_aff_frame != 0 || (s.picture_structure != Constants.PICT_FRAME)) ? 1 : 0) >= s.mb_num ||
first_mb_in_slice >= s.mb_num)
{
//av_log(h.s.avctx, AV_LOG_ERROR, "first_mb_in_slice overflow\n");
// DebugTool.printDebugString(" --- decode_slide_header error case 10\n");
return -70;
}
s.resync_mb_x = s.mb_x = first_mb_in_slice % s.mb_width;
s.resync_mb_y = s.mb_y = (first_mb_in_slice / s.mb_width) << ((h.mb_aff_frame != 0 || (s.picture_structure != Constants.PICT_FRAME)) ? 1 : 0);
if (s.picture_structure == Constants.PICT_BOTTOM_FIELD)
s.resync_mb_y = s.mb_y = s.mb_y + 1;
//assert(s.mb_y < s.mb_height);
if (s.picture_structure == Constants.PICT_FRAME)
{
h.curr_pic_num = h.frame_num;
h.max_pic_num = 1 << h.sps.log2_max_frame_num;
}
else
{
h.curr_pic_num = 2 * h.frame_num + 1;
h.max_pic_num = 1 << (h.sps.log2_max_frame_num + 1);
}
if (h.nal_unit_type == NAL_IDR_SLICE)
{
s.gb.get_ue_golomb("idr_pic_id"); /* idr_pic_id */
}
if (h.sps.poc_type == 0)
{
h.poc_lsb = (int)s.gb.get_bits(h.sps.log2_max_poc_lsb, "poc_lsb");
if (h.pps.pic_order_present == 1 && s.picture_structure == Constants.PICT_FRAME)
{
h.delta_poc_bottom = s.gb.get_se_golomb("delta_poc_bottom");
}
}
if (h.sps.poc_type == 1 && 0 == h.sps.delta_pic_order_always_zero_flag)
{
h.delta_poc[0] = s.gb.get_se_golomb("delta_poc[0]");
if (h.pps.pic_order_present == 1 && s.picture_structure == Constants.PICT_FRAME)
h.delta_poc[1] = s.gb.get_se_golomb("delta_poc[1]");
}
h.init_poc();
if (h.pps.redundant_pic_cnt_present != 0)
{
h.redundant_pic_count = s.gb.get_ue_golomb("redundant_pic_count");
}
//set defaults, might be overridden a few lines later
h.ref_count[0] = h.pps.ref_count[0];
h.ref_count[1] = h.pps.ref_count[1];
if (h.slice_type_nos != FF_I_TYPE)
{
if (h.slice_type_nos == FF_B_TYPE)
{
h.direct_spatial_mv_pred = (int)s.gb.get_bits1("direct_spatial_mv_pred");
}
num_ref_idx_active_override_flag = (int)s.gb.get_bits1("num_ref_idx_active_override_flag");
if (num_ref_idx_active_override_flag != 0)
{
h.ref_count[0] = s.gb.get_ue_golomb("ref_count[0]") + 1;
if (h.slice_type_nos == FF_B_TYPE)
h.ref_count[1] = s.gb.get_ue_golomb("ref_count[1]") + 1;
if (h.ref_count[0] - 1 > 32 - 1 || h.ref_count[1] - 1 > 32 - 1)
{
//av_log(h.s.avctx, AV_LOG_ERROR, "reference overflow\n");
h.ref_count[0] = h.ref_count[1] = 1;
// DebugTool.printDebugString(" --- decode_slide_header error case 11\n");
return -71;
}
}
if (h.slice_type_nos == FF_B_TYPE)
h.list_count = 2;
else
h.list_count = 1;
}
else
h.list_count = 0;
if (0 == default_ref_list_done)
{
h.ff_h264_fill_default_ref_list();
}
if (h.slice_type_nos != FF_I_TYPE && h.ff_h264_decode_ref_pic_list_reordering() < 0)
{
// DebugTool.printDebugString(" --- decode_slide_header error case 12\n");
return -72;
}
if (h.slice_type_nos != FF_I_TYPE)
{
s.last_picture_ptr = h.ref_list[0][0];
MpegEncContext.ff_copy_picture(s.last_picture, s.last_picture_ptr);
}
if (h.slice_type_nos == FF_B_TYPE)
{
s.next_picture_ptr = h.ref_list[1][0];
MpegEncContext.ff_copy_picture(s.next_picture, s.next_picture_ptr);
}
if ((h.pps.weighted_pred != 0 && h.slice_type_nos == FF_P_TYPE)
|| (h.pps.weighted_bipred_idc == 1 && h.slice_type_nos == FF_B_TYPE))
h.pred_weight_table();
else if (h.pps.weighted_bipred_idc == 2 && h.slice_type_nos == FF_B_TYPE)
{
h.implicit_weight_table(-1);
}
else
{
h.use_weight = 0;
for (i = 0; i < 2; i++)
{
h.luma_weight_flag[i] = 0;
h.chroma_weight_flag[i] = 0;
}
}
if (h.nal_ref_idc != 0)
h0.ff_h264_decode_ref_pic_marking(s.gb);
if (h.mb_aff_frame != 0)
{
h.ff_h264_fill_mbaff_ref_list();
if (h.pps.weighted_bipred_idc == 2 && h.slice_type_nos == FF_B_TYPE)
{
h.implicit_weight_table(0);
h.implicit_weight_table(1);
}
}
if (h.slice_type_nos == FF_B_TYPE && 0 == h.direct_spatial_mv_pred)
h.ff_h264_direct_dist_scale_factor();
h.ff_h264_direct_ref_list_init();
if (h.slice_type_nos != FF_I_TYPE && h.pps.cabac != 0)
{
tmp = s.gb.get_ue_golomb_31("cabac_init_idc");
if (tmp > 2)
{
//av_log(s.avctx, AV_LOG_ERROR, "cabac_init_idc overflow\n");
// DebugTool.printDebugString(" --- decode_slide_header error case 13\n");
return -73;
}
h.cabac_init_idc = tmp;
}
h.last_qscale_diff = 0;
tmp = h.pps.init_qp + s.gb.get_se_golomb("init_qp");
if (tmp > 51)
{
//av_log(s.avctx, AV_LOG_ERROR, "QP %u out of range\n", tmp);
// DebugTool.printDebugString(" --- decode_slide_header error case 14\n");
return -74;
}
s.qscale = tmp;
h.chroma_qp[0] = h.pps.chroma_qp_table[0][s.qscale];
h.chroma_qp[1] = h.pps.chroma_qp_table[1][s.qscale];
//FIXME qscale / qp ... stuff
if (h.slice_type == FF_SP_TYPE)
{
s.gb.get_bits1("sp_for_switch_flag"); /* sp_for_switch_flag */
}
if (h.slice_type == FF_SP_TYPE || h.slice_type == FF_SI_TYPE)
{
s.gb.get_se_golomb("slice_qs_delta"); /* slice_qs_delta */
}
h.deblocking_filter = 1;
h.slice_alpha_c0_offset = 52;
h.slice_beta_offset = 52;
if (0 != h.pps.deblocking_filter_parameters_present)
{
tmp = s.gb.get_ue_golomb_31("deblocking_filter_idc");
if (tmp > 2)
{
// DebugTool.printDebugString(" --- decode_slide_header error case 15\n");
//av_log(s.avctx, AV_LOG_ERROR, "deblocking_filter_idc %u out of range\n", tmp);
return -75;
}
h.deblocking_filter = tmp;
if (h.deblocking_filter < 2)
h.deblocking_filter ^= 1; // 1<->0
if (0 != h.deblocking_filter)
{
h.slice_alpha_c0_offset += s.gb.get_se_golomb("slice_alpha_c0_offset") << 1;
h.slice_beta_offset += s.gb.get_se_golomb("slice_beta_offset") << 1;
if (h.slice_alpha_c0_offset > 104
|| h.slice_beta_offset > 104)
{
// DebugTool.printDebugString(" --- decode_slide_header error case 16\n");
//av_log(s.avctx, AV_LOG_ERROR, "deblocking filter parameters %d %d out of range\n", h.slice_alpha_c0_offset, h.slice_beta_offset);
return -76;
}
}
}
if (s.skip_loop_filter >= MpegEncContext.AVDISCARD_ALL
|| (s.skip_loop_filter >= MpegEncContext.AVDISCARD_NONKEY && h.slice_type_nos != FF_I_TYPE)
|| (s.skip_loop_filter >= MpegEncContext.AVDISCARD_BIDIR && h.slice_type_nos == FF_B_TYPE)
|| (s.skip_loop_filter >= MpegEncContext.AVDISCARD_NONREF && h.nal_ref_idc == 0))
h.deblocking_filter = 0;
if (h.deblocking_filter == 1 && h0.max_contexts > 1)
{
if ((s.flags2 & MpegEncContext.CODEC_FLAG2_FAST) != 0)
{
/* Cheat slightly for speed:
Do not bother to deblock across slices. */
h.deblocking_filter = 2;
}
else
{
h0.max_contexts = 1;
if (0 == h0.single_decode_warning)
{
//av_log(s.avctx, AV_LOG_INFO, "Cannot parallelize deblocking type 1, decoding such frames in sequential order\n");
h0.single_decode_warning = 1;
}
if (h != h0)
{
// DebugTool.printDebugString(" --- decode_slide_header error case 17\n");
return 1; // deblocking switched inside frame
}
}
}
h.qp_thresh = 15 + 52 - Math.Min(h.slice_alpha_c0_offset, h.slice_beta_offset) - Math.Max(Math.Max(0, h.pps.chroma_qp_index_offset[0]), h.pps.chroma_qp_index_offset[1]);
/*
#if 0 //FMO
if( h.pps.num_slice_groups > 1 && h.pps.mb_slice_group_map_type >= 3 && h.pps.mb_slice_group_map_type <= 5)
slice_group_change_cycle= s.gb.get_bits( ?);
#endif
*/
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[] id_list = new int[16];
int[] ref2frm = h.ref2frm[h.slice_num & (MAX_SLICES - 1)][j];
for (i = 0; i < 16; i++)
{
id_list[i] = 60;
if (h.ref_list[j][i].data_base[0] != null)
{
int k;
//uint8_t *base= h.ref_list[j][i].base[0];
byte[] @base = h.ref_list[j][i].@base[0];
for (k = 0; k < h.short_ref_count; k++)
if (h.short_ref[k].@base[0] == @base)
{
id_list[i] = k;
break;
}
for (k = 0; k < h.long_ref_count; k++)
if (h.long_ref[k] != null && h.long_ref[k].@base[0] == @base)
{
id_list[i] = h.short_ref_count + k;
break;
}
}
}
ref2frm[0] =
ref2frm[1] = -1;
for (i = 0; i < 16; i++)
ref2frm[i + 2] = 4 * id_list[i]
+ (h.ref_list[j][i].reference & 3);
ref2frm[18 + 0] =
ref2frm[18 + 1] = -1;
for (i = 16; i < 48; i++)
ref2frm[i + 4] = 4 * id_list[(i - 16) >> 1]
+ (h.ref_list[j][i].reference & 3);
}
h.emu_edge_width = ((s.flags & MpegEncContext.CODEC_FLAG_EMU_EDGE) != 0 ? 0 : 16);
h.emu_edge_height = (0 != h.mb_aff_frame || (s.picture_structure != Constants.PICT_FRAME)) ? 0 : h.emu_edge_width;
/* No debug
if((s.debug&FF_DEBUG_PICT_INFO)!=0){
av_log(h.s.avctx, AV_LOG_DEBUG, "slice:%d %s mb:%d %c%s%s pps:%u frame:%d poc:%d/%d ref:%d/%d qp:%d loop:%d:%d:%d weight:%d%s %s\n",
h.slice_num,
(s.picture_structure==PICT_FRAME ? "F" : s.picture_structure==PICT_TOP_FIELD ? "T" : "B"),
first_mb_in_slice,
av_get_pict_type_char(h.slice_type), h.slice_type_fixed ? " fix" : "", h.nal_unit_type == NAL_IDR_SLICE ? " IDR" : "",
pps_id, h.frame_num,
s.current_picture_ptr->field_poc[0], s.current_picture_ptr->field_poc[1],
h.ref_count[0], h.ref_count[1],
s.qscale,
h.deblocking_filter, h.slice_alpha_c0_offset/2-26, h.slice_beta_offset/2-26,
h.use_weight,
h.use_weight==1 && h.use_weight_chroma ? "c" : "",
h.slice_type == FF_B_TYPE ? (h.direct_spatial_mv_pred ? "SPAT" : "TEMP") : ""
);
}
*/
// DebugTool.printDebugString(" --- decode_slide_header OK\n");
return 0;
}