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/* |
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* H.26L/H.264/AVC/JVT/14496-10/... parameter set decoding |
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* Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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/** |
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* @file |
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* H.264 / AVC / MPEG-4 part10 parameter set decoding. |
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* @author Michael Niedermayer <michaelni@gmx.at> |
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*/ |
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#include <inttypes.h> |
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#include "libavutil/imgutils.h" |
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#include "internal.h" |
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#include "mathops.h" |
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#include "avcodec.h" |
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#include "h264data.h" |
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#include "h264_ps.h" |
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#include "golomb.h" |
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#define MIN_LOG2_MAX_FRAME_NUM 4 |
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#define EXTENDED_SAR 255 |
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static const uint8_t default_scaling4[2][16] = { |
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{ 6, 13, 20, 28, 13, 20, 28, 32, |
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20, 28, 32, 37, 28, 32, 37, 42 }, |
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{ 10, 14, 20, 24, 14, 20, 24, 27, |
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20, 24, 27, 30, 24, 27, 30, 34 } |
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}; |
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static const uint8_t default_scaling8[2][64] = { |
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{ 6, 10, 13, 16, 18, 23, 25, 27, |
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10, 11, 16, 18, 23, 25, 27, 29, |
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13, 16, 18, 23, 25, 27, 29, 31, |
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16, 18, 23, 25, 27, 29, 31, 33, |
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18, 23, 25, 27, 29, 31, 33, 36, |
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23, 25, 27, 29, 31, 33, 36, 38, |
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25, 27, 29, 31, 33, 36, 38, 40, |
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27, 29, 31, 33, 36, 38, 40, 42 }, |
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{ 9, 13, 15, 17, 19, 21, 22, 24, |
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13, 13, 17, 19, 21, 22, 24, 25, |
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15, 17, 19, 21, 22, 24, 25, 27, |
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17, 19, 21, 22, 24, 25, 27, 28, |
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19, 21, 22, 24, 25, 27, 28, 30, |
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21, 22, 24, 25, 27, 28, 30, 32, |
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22, 24, 25, 27, 28, 30, 32, 33, |
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24, 25, 27, 28, 30, 32, 33, 35 } |
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}; |
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/* maximum number of MBs in the DPB for a given level */ |
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static const int level_max_dpb_mbs[][2] = { |
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{ 10, 396 }, |
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{ 11, 900 }, |
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{ 12, 2376 }, |
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{ 13, 2376 }, |
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{ 20, 2376 }, |
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{ 21, 4752 }, |
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{ 22, 8100 }, |
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{ 30, 8100 }, |
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{ 31, 18000 }, |
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{ 32, 20480 }, |
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{ 40, 32768 }, |
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{ 41, 32768 }, |
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{ 42, 34816 }, |
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{ 50, 110400 }, |
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{ 51, 184320 }, |
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{ 52, 184320 }, |
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}; |
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13816 |
static void remove_pps(H264ParamSets *s, int id) |
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{ |
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av_buffer_unref(&s->pps_list[id]); |
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} |
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static void remove_sps(H264ParamSets *s, int id) |
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{ |
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#if 0 |
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int i; |
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if (s->sps_list[id]) { |
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/* drop all PPS that depend on this SPS */ |
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for (i = 0; i < FF_ARRAY_ELEMS(s->pps_list); i++) |
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if (s->pps_list[i] && ((PPS*)s->pps_list[i]->data)->sps_id == id) |
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remove_pps(s, i); |
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} |
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#endif |
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av_buffer_unref(&s->sps_list[id]); |
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} |
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static inline int decode_hrd_parameters(GetBitContext *gb, void *logctx, |
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SPS *sps) |
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{ |
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int cpb_count, i; |
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cpb_count = get_ue_golomb_31(gb) + 1; |
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✗✓ |
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if (cpb_count > 32U) { |
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av_log(logctx, AV_LOG_ERROR, "cpb_count %d invalid\n", cpb_count); |
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return AVERROR_INVALIDDATA; |
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} |
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get_bits(gb, 4); /* bit_rate_scale */ |
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get_bits(gb, 4); /* cpb_size_scale */ |
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✓✓ |
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for (i = 0; i < cpb_count; i++) { |
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get_ue_golomb_long(gb); /* bit_rate_value_minus1 */ |
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get_ue_golomb_long(gb); /* cpb_size_value_minus1 */ |
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get_bits1(gb); /* cbr_flag */ |
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} |
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sps->initial_cpb_removal_delay_length = get_bits(gb, 5) + 1; |
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sps->cpb_removal_delay_length = get_bits(gb, 5) + 1; |
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sps->dpb_output_delay_length = get_bits(gb, 5) + 1; |
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sps->time_offset_length = get_bits(gb, 5); |
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sps->cpb_cnt = cpb_count; |
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return 0; |
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} |
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static inline int decode_vui_parameters(GetBitContext *gb, void *logctx, |
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SPS *sps) |
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{ |
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int aspect_ratio_info_present_flag; |
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unsigned int aspect_ratio_idc; |
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aspect_ratio_info_present_flag = get_bits1(gb); |
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✓✓ |
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if (aspect_ratio_info_present_flag) { |
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aspect_ratio_idc = get_bits(gb, 8); |
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✓✓ |
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if (aspect_ratio_idc == EXTENDED_SAR) { |
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sps->sar.num = get_bits(gb, 16); |
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sps->sar.den = get_bits(gb, 16); |
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✓✗ |
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} else if (aspect_ratio_idc < FF_ARRAY_ELEMS(ff_h264_pixel_aspect)) { |
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sps->sar = ff_h264_pixel_aspect[aspect_ratio_idc]; |
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} else { |
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av_log(logctx, AV_LOG_ERROR, "illegal aspect ratio\n"); |
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return AVERROR_INVALIDDATA; |
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} |
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} else { |
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sps->sar.num = |
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sps->sar.den = 0; |
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} |
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✓✓ |
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if (get_bits1(gb)) /* overscan_info_present_flag */ |
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get_bits1(gb); /* overscan_appropriate_flag */ |
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sps->video_signal_type_present_flag = get_bits1(gb); |
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✓✓ |
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if (sps->video_signal_type_present_flag) { |
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get_bits(gb, 3); /* video_format */ |
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sps->full_range = get_bits1(gb); /* video_full_range_flag */ |
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sps->colour_description_present_flag = get_bits1(gb); |
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✓✓ |
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if (sps->colour_description_present_flag) { |
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sps->color_primaries = get_bits(gb, 8); /* colour_primaries */ |
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sps->color_trc = get_bits(gb, 8); /* transfer_characteristics */ |
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sps->colorspace = get_bits(gb, 8); /* matrix_coefficients */ |
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// Set invalid values to "unspecified" |
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✗✓ |
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if (!av_color_primaries_name(sps->color_primaries)) |
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sps->color_primaries = AVCOL_PRI_UNSPECIFIED; |
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✗✓ |
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if (!av_color_transfer_name(sps->color_trc)) |
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sps->color_trc = AVCOL_TRC_UNSPECIFIED; |
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✗✓ |
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if (!av_color_space_name(sps->colorspace)) |
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sps->colorspace = AVCOL_SPC_UNSPECIFIED; |
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} |
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} |
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/* chroma_location_info_present_flag */ |
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✓✓ |
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if (get_bits1(gb)) { |
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/* chroma_sample_location_type_top_field */ |
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sps->chroma_location = get_ue_golomb_31(gb) + 1; |
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get_ue_golomb_31(gb); /* chroma_sample_location_type_bottom_field */ |
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} else |
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sps->chroma_location = AVCHROMA_LOC_LEFT; |
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✓✓✗✓
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if (show_bits1(gb) && get_bits_left(gb) < 10) { |
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av_log(logctx, AV_LOG_WARNING, "Truncated VUI (%d)\n", get_bits_left(gb)); |
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return 0; |
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} |
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sps->timing_info_present_flag = get_bits1(gb); |
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✓✓ |
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if (sps->timing_info_present_flag) { |
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unsigned num_units_in_tick = get_bits_long(gb, 32); |
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unsigned time_scale = get_bits_long(gb, 32); |
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✓✗✗✓
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if (!num_units_in_tick || !time_scale) { |
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av_log(logctx, AV_LOG_ERROR, |
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"time_scale/num_units_in_tick invalid or unsupported (%u/%u)\n", |
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time_scale, num_units_in_tick); |
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sps->timing_info_present_flag = 0; |
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} else { |
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sps->num_units_in_tick = num_units_in_tick; |
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sps->time_scale = time_scale; |
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} |
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sps->fixed_frame_rate_flag = get_bits1(gb); |
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} |
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sps->nal_hrd_parameters_present_flag = get_bits1(gb); |
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✓✓ |
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if (sps->nal_hrd_parameters_present_flag) |
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✗✓ |
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if (decode_hrd_parameters(gb, logctx, sps) < 0) |
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return AVERROR_INVALIDDATA; |
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sps->vcl_hrd_parameters_present_flag = get_bits1(gb); |
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✓✓ |
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if (sps->vcl_hrd_parameters_present_flag) |
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✗✓ |
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if (decode_hrd_parameters(gb, logctx, sps) < 0) |
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return AVERROR_INVALIDDATA; |
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✓✓ |
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if (sps->nal_hrd_parameters_present_flag || |
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✗✓ |
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sps->vcl_hrd_parameters_present_flag) |
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get_bits1(gb); /* low_delay_hrd_flag */ |
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sps->pic_struct_present_flag = get_bits1(gb); |
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✗✓ |
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if (!get_bits_left(gb)) |
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return 0; |
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sps->bitstream_restriction_flag = get_bits1(gb); |
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✓✓ |
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if (sps->bitstream_restriction_flag) { |
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get_bits1(gb); /* motion_vectors_over_pic_boundaries_flag */ |
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get_ue_golomb_31(gb); /* max_bytes_per_pic_denom */ |
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get_ue_golomb_31(gb); /* max_bits_per_mb_denom */ |
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get_ue_golomb_31(gb); /* log2_max_mv_length_horizontal */ |
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get_ue_golomb_31(gb); /* log2_max_mv_length_vertical */ |
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sps->num_reorder_frames = get_ue_golomb_31(gb); |
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get_ue_golomb_31(gb); /*max_dec_frame_buffering*/ |
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✓✓ |
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if (get_bits_left(gb) < 0) { |
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sps->num_reorder_frames = 0; |
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sps->bitstream_restriction_flag = 0; |
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} |
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✗✓ |
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if (sps->num_reorder_frames > 16U |
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/* max_dec_frame_buffering || max_dec_frame_buffering > 16 */) { |
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av_log(logctx, AV_LOG_ERROR, |
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"Clipping illegal num_reorder_frames %d\n", |
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sps->num_reorder_frames); |
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sps->num_reorder_frames = 16; |
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return AVERROR_INVALIDDATA; |
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} |
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} |
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return 0; |
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} |
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2296 |
static int decode_scaling_list(GetBitContext *gb, uint8_t *factors, int size, |
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const uint8_t *jvt_list, |
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const uint8_t *fallback_list) |
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{ |
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2296 |
int i, last = 8, next = 8; |
257 |
✓✓ |
2296 |
const uint8_t *scan = size == 16 ? ff_zigzag_scan : ff_zigzag_direct; |
258 |
✓✓ |
2296 |
if (!get_bits1(gb)) /* matrix not written, we use the predicted one */ |
259 |
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1140 |
memcpy(factors, fallback_list, size * sizeof(uint8_t)); |
260 |
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else |
261 |
✓✓ |
31044 |
for (i = 0; i < size; i++) { |
262 |
✓✓ |
29992 |
if (next) { |
263 |
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27984 |
int v = get_se_golomb(gb); |
264 |
✓✗✗✓
|
27984 |
if (v < -128 || v > 127) { |
265 |
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av_log(NULL, AV_LOG_ERROR, "delta scale %d is invalid\n", v); |
266 |
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return AVERROR_INVALIDDATA; |
267 |
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} |
268 |
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27984 |
next = (last + v) & 0xff; |
269 |
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} |
270 |
✓✓✓✓
|
29992 |
if (!i && !next) { /* matrix not written, we use the preset one */ |
271 |
|
104 |
memcpy(factors, jvt_list, size * sizeof(uint8_t)); |
272 |
|
104 |
break; |
273 |
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} |
274 |
✓✓ |
29888 |
last = factors[scan[i]] = next ? next : last; |
275 |
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} |
276 |
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2296 |
return 0; |
277 |
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} |
278 |
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279 |
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/* returns non zero if the provided SPS scaling matrix has been filled */ |
280 |
|
1287 |
static int decode_scaling_matrices(GetBitContext *gb, const SPS *sps, |
281 |
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const PPS *pps, int is_sps, |
282 |
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uint8_t(*scaling_matrix4)[16], |
283 |
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uint8_t(*scaling_matrix8)[64]) |
284 |
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{ |
285 |
✓✓✓✓
|
1287 |
int fallback_sps = !is_sps && sps->scaling_matrix_present; |
286 |
|
5148 |
const uint8_t *fallback[4] = { |
287 |
✓✓ |
1287 |
fallback_sps ? sps->scaling_matrix4[0] : default_scaling4[0], |
288 |
✓✓ |
1287 |
fallback_sps ? sps->scaling_matrix4[3] : default_scaling4[1], |
289 |
✓✓ |
1287 |
fallback_sps ? sps->scaling_matrix8[0] : default_scaling8[0], |
290 |
✓✓ |
1287 |
fallback_sps ? sps->scaling_matrix8[3] : default_scaling8[1] |
291 |
|
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}; |
292 |
|
1287 |
int ret = 0; |
293 |
✓✓ |
1287 |
if (get_bits1(gb)) { |
294 |
|
287 |
ret |= decode_scaling_list(gb, scaling_matrix4[0], 16, default_scaling4[0], fallback[0]); // Intra, Y |
295 |
|
287 |
ret |= decode_scaling_list(gb, scaling_matrix4[1], 16, default_scaling4[0], scaling_matrix4[0]); // Intra, Cr |
296 |
|
287 |
ret |= decode_scaling_list(gb, scaling_matrix4[2], 16, default_scaling4[0], scaling_matrix4[1]); // Intra, Cb |
297 |
|
287 |
ret |= decode_scaling_list(gb, scaling_matrix4[3], 16, default_scaling4[1], fallback[1]); // Inter, Y |
298 |
|
287 |
ret |= decode_scaling_list(gb, scaling_matrix4[4], 16, default_scaling4[1], scaling_matrix4[3]); // Inter, Cr |
299 |
|
287 |
ret |= decode_scaling_list(gb, scaling_matrix4[5], 16, default_scaling4[1], scaling_matrix4[4]); // Inter, Cb |
300 |
✓✓✓✗
|
287 |
if (is_sps || pps->transform_8x8_mode) { |
301 |
|
287 |
ret |= decode_scaling_list(gb, scaling_matrix8[0], 64, default_scaling8[0], fallback[2]); // Intra, Y |
302 |
|
287 |
ret |= decode_scaling_list(gb, scaling_matrix8[3], 64, default_scaling8[1], fallback[3]); // Inter, Y |
303 |
✗✓ |
287 |
if (sps->chroma_format_idc == 3) { |
304 |
|
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ret |= decode_scaling_list(gb, scaling_matrix8[1], 64, default_scaling8[0], scaling_matrix8[0]); // Intra, Cr |
305 |
|
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ret |= decode_scaling_list(gb, scaling_matrix8[4], 64, default_scaling8[1], scaling_matrix8[3]); // Inter, Cr |
306 |
|
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ret |= decode_scaling_list(gb, scaling_matrix8[2], 64, default_scaling8[0], scaling_matrix8[1]); // Intra, Cb |
307 |
|
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ret |= decode_scaling_list(gb, scaling_matrix8[5], 64, default_scaling8[1], scaling_matrix8[4]); // Inter, Cb |
308 |
|
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} |
309 |
|
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} |
310 |
✓✗ |
287 |
if (!ret) |
311 |
|
287 |
ret = is_sps; |
312 |
|
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} |
313 |
|
|
|
314 |
|
1287 |
return ret; |
315 |
|
|
} |
316 |
|
|
|
317 |
|
830 |
void ff_h264_ps_uninit(H264ParamSets *ps) |
318 |
|
|
{ |
319 |
|
|
int i; |
320 |
|
|
|
321 |
✓✓ |
27390 |
for (i = 0; i < MAX_SPS_COUNT; i++) |
322 |
|
26560 |
av_buffer_unref(&ps->sps_list[i]); |
323 |
|
|
|
324 |
✓✓ |
213310 |
for (i = 0; i < MAX_PPS_COUNT; i++) |
325 |
|
212480 |
av_buffer_unref(&ps->pps_list[i]); |
326 |
|
|
|
327 |
|
830 |
av_buffer_unref(&ps->pps_ref); |
328 |
|
|
|
329 |
|
830 |
ps->pps = NULL; |
330 |
|
830 |
ps->sps = NULL; |
331 |
|
830 |
} |
332 |
|
|
|
333 |
|
2111 |
int ff_h264_decode_seq_parameter_set(GetBitContext *gb, AVCodecContext *avctx, |
334 |
|
|
H264ParamSets *ps, int ignore_truncation) |
335 |
|
|
{ |
336 |
|
|
AVBufferRef *sps_buf; |
337 |
|
2111 |
int profile_idc, level_idc, constraint_set_flags = 0; |
338 |
|
|
unsigned int sps_id; |
339 |
|
|
int i, log2_max_frame_num_minus4; |
340 |
|
|
SPS *sps; |
341 |
|
|
int ret; |
342 |
|
|
|
343 |
|
2111 |
sps_buf = av_buffer_allocz(sizeof(*sps)); |
344 |
✗✓ |
2111 |
if (!sps_buf) |
345 |
|
|
return AVERROR(ENOMEM); |
346 |
|
2111 |
sps = (SPS*)sps_buf->data; |
347 |
|
|
|
348 |
|
2111 |
sps->data_size = gb->buffer_end - gb->buffer; |
349 |
✗✓ |
2111 |
if (sps->data_size > sizeof(sps->data)) { |
350 |
|
|
av_log(avctx, AV_LOG_DEBUG, "Truncating likely oversized SPS\n"); |
351 |
|
|
sps->data_size = sizeof(sps->data); |
352 |
|
|
} |
353 |
|
2111 |
memcpy(sps->data, gb->buffer, sps->data_size); |
354 |
|
|
|
355 |
|
2111 |
profile_idc = get_bits(gb, 8); |
356 |
|
2111 |
constraint_set_flags |= get_bits1(gb) << 0; // constraint_set0_flag |
357 |
|
2111 |
constraint_set_flags |= get_bits1(gb) << 1; // constraint_set1_flag |
358 |
|
2111 |
constraint_set_flags |= get_bits1(gb) << 2; // constraint_set2_flag |
359 |
|
2111 |
constraint_set_flags |= get_bits1(gb) << 3; // constraint_set3_flag |
360 |
|
2111 |
constraint_set_flags |= get_bits1(gb) << 4; // constraint_set4_flag |
361 |
|
2111 |
constraint_set_flags |= get_bits1(gb) << 5; // constraint_set5_flag |
362 |
|
2111 |
skip_bits(gb, 2); // reserved_zero_2bits |
363 |
|
2111 |
level_idc = get_bits(gb, 8); |
364 |
|
2111 |
sps_id = get_ue_golomb_31(gb); |
365 |
|
|
|
366 |
✗✓ |
2111 |
if (sps_id >= MAX_SPS_COUNT) { |
367 |
|
|
av_log(avctx, AV_LOG_ERROR, "sps_id %u out of range\n", sps_id); |
368 |
|
|
goto fail; |
369 |
|
|
} |
370 |
|
|
|
371 |
|
2111 |
sps->sps_id = sps_id; |
372 |
|
2111 |
sps->time_offset_length = 24; |
373 |
|
2111 |
sps->profile_idc = profile_idc; |
374 |
|
2111 |
sps->constraint_set_flags = constraint_set_flags; |
375 |
|
2111 |
sps->level_idc = level_idc; |
376 |
|
2111 |
sps->full_range = -1; |
377 |
|
|
|
378 |
|
2111 |
memset(sps->scaling_matrix4, 16, sizeof(sps->scaling_matrix4)); |
379 |
|
2111 |
memset(sps->scaling_matrix8, 16, sizeof(sps->scaling_matrix8)); |
380 |
|
2111 |
sps->scaling_matrix_present = 0; |
381 |
|
2111 |
sps->colorspace = 2; //AVCOL_SPC_UNSPECIFIED |
382 |
|
|
|
383 |
✓✓ |
2111 |
if (sps->profile_idc == 100 || // High profile |
384 |
✓✓ |
1577 |
sps->profile_idc == 110 || // High10 profile |
385 |
✓✓ |
1533 |
sps->profile_idc == 122 || // High422 profile |
386 |
✓✓ |
1475 |
sps->profile_idc == 244 || // High444 Predictive profile |
387 |
✓✗ |
1442 |
sps->profile_idc == 44 || // Cavlc444 profile |
388 |
✓✗ |
1442 |
sps->profile_idc == 83 || // Scalable Constrained High profile (SVC) |
389 |
✓✗ |
1442 |
sps->profile_idc == 86 || // Scalable High Intra profile (SVC) |
390 |
✓✗ |
1442 |
sps->profile_idc == 118 || // Stereo High profile (MVC) |
391 |
✓✗ |
1442 |
sps->profile_idc == 128 || // Multiview High profile (MVC) |
392 |
✓✗ |
1442 |
sps->profile_idc == 138 || // Multiview Depth High profile (MVCD) |
393 |
✗✓ |
1442 |
sps->profile_idc == 144) { // old High444 profile |
394 |
|
669 |
sps->chroma_format_idc = get_ue_golomb_31(gb); |
395 |
✗✓ |
669 |
if (sps->chroma_format_idc > 3U) { |
396 |
|
|
avpriv_request_sample(avctx, "chroma_format_idc %u", |
397 |
|
|
sps->chroma_format_idc); |
398 |
|
|
goto fail; |
399 |
✓✓ |
669 |
} else if (sps->chroma_format_idc == 3) { |
400 |
|
29 |
sps->residual_color_transform_flag = get_bits1(gb); |
401 |
✗✓ |
29 |
if (sps->residual_color_transform_flag) { |
402 |
|
|
av_log(avctx, AV_LOG_ERROR, "separate color planes are not supported\n"); |
403 |
|
|
goto fail; |
404 |
|
|
} |
405 |
|
|
} |
406 |
|
669 |
sps->bit_depth_luma = get_ue_golomb_31(gb) + 8; |
407 |
|
669 |
sps->bit_depth_chroma = get_ue_golomb_31(gb) + 8; |
408 |
✗✓ |
669 |
if (sps->bit_depth_chroma != sps->bit_depth_luma) { |
409 |
|
|
avpriv_request_sample(avctx, |
410 |
|
|
"Different chroma and luma bit depth"); |
411 |
|
|
goto fail; |
412 |
|
|
} |
413 |
✓✗✓✗
|
669 |
if (sps->bit_depth_luma < 8 || sps->bit_depth_luma > 14 || |
414 |
✓✗✗✓
|
669 |
sps->bit_depth_chroma < 8 || sps->bit_depth_chroma > 14) { |
415 |
|
|
av_log(avctx, AV_LOG_ERROR, "illegal bit depth value (%d, %d)\n", |
416 |
|
|
sps->bit_depth_luma, sps->bit_depth_chroma); |
417 |
|
|
goto fail; |
418 |
|
|
} |
419 |
|
669 |
sps->transform_bypass = get_bits1(gb); |
420 |
|
669 |
ret = decode_scaling_matrices(gb, sps, NULL, 1, |
421 |
|
669 |
sps->scaling_matrix4, sps->scaling_matrix8); |
422 |
✗✓ |
669 |
if (ret < 0) |
423 |
|
|
goto fail; |
424 |
|
669 |
sps->scaling_matrix_present |= ret; |
425 |
|
|
} else { |
426 |
|
1442 |
sps->chroma_format_idc = 1; |
427 |
|
1442 |
sps->bit_depth_luma = 8; |
428 |
|
1442 |
sps->bit_depth_chroma = 8; |
429 |
|
|
} |
430 |
|
|
|
431 |
|
2111 |
log2_max_frame_num_minus4 = get_ue_golomb_31(gb); |
432 |
✓✗✗✓
|
2111 |
if (log2_max_frame_num_minus4 < MIN_LOG2_MAX_FRAME_NUM - 4 || |
433 |
|
|
log2_max_frame_num_minus4 > MAX_LOG2_MAX_FRAME_NUM - 4) { |
434 |
|
|
av_log(avctx, AV_LOG_ERROR, |
435 |
|
|
"log2_max_frame_num_minus4 out of range (0-12): %d\n", |
436 |
|
|
log2_max_frame_num_minus4); |
437 |
|
|
goto fail; |
438 |
|
|
} |
439 |
|
2111 |
sps->log2_max_frame_num = log2_max_frame_num_minus4 + 4; |
440 |
|
|
|
441 |
|
2111 |
sps->poc_type = get_ue_golomb_31(gb); |
442 |
|
|
|
443 |
✓✓ |
2111 |
if (sps->poc_type == 0) { // FIXME #define |
444 |
|
1018 |
unsigned t = get_ue_golomb_31(gb); |
445 |
✗✓ |
1018 |
if (t>12) { |
446 |
|
|
av_log(avctx, AV_LOG_ERROR, "log2_max_poc_lsb (%d) is out of range\n", t); |
447 |
|
|
goto fail; |
448 |
|
|
} |
449 |
|
1018 |
sps->log2_max_poc_lsb = t + 4; |
450 |
✓✓ |
1093 |
} else if (sps->poc_type == 1) { // FIXME #define |
451 |
|
76 |
sps->delta_pic_order_always_zero_flag = get_bits1(gb); |
452 |
|
76 |
sps->offset_for_non_ref_pic = get_se_golomb_long(gb); |
453 |
|
76 |
sps->offset_for_top_to_bottom_field = get_se_golomb_long(gb); |
454 |
|
|
|
455 |
✓✗ |
76 |
if ( sps->offset_for_non_ref_pic == INT32_MIN |
456 |
✗✓ |
76 |
|| sps->offset_for_top_to_bottom_field == INT32_MIN |
457 |
|
|
) { |
458 |
|
|
av_log(avctx, AV_LOG_ERROR, |
459 |
|
|
"offset_for_non_ref_pic or offset_for_top_to_bottom_field is out of range\n"); |
460 |
|
|
goto fail; |
461 |
|
|
} |
462 |
|
|
|
463 |
|
76 |
sps->poc_cycle_length = get_ue_golomb(gb); |
464 |
|
|
|
465 |
✗✓ |
76 |
if ((unsigned)sps->poc_cycle_length >= |
466 |
|
|
FF_ARRAY_ELEMS(sps->offset_for_ref_frame)) { |
467 |
|
|
av_log(avctx, AV_LOG_ERROR, |
468 |
|
|
"poc_cycle_length overflow %d\n", sps->poc_cycle_length); |
469 |
|
|
goto fail; |
470 |
|
|
} |
471 |
|
|
|
472 |
✓✓ |
176 |
for (i = 0; i < sps->poc_cycle_length; i++) { |
473 |
|
100 |
sps->offset_for_ref_frame[i] = get_se_golomb_long(gb); |
474 |
✗✓ |
100 |
if (sps->offset_for_ref_frame[i] == INT32_MIN) { |
475 |
|
|
av_log(avctx, AV_LOG_ERROR, |
476 |
|
|
"offset_for_ref_frame is out of range\n"); |
477 |
|
|
goto fail; |
478 |
|
|
} |
479 |
|
|
} |
480 |
✗✓ |
1017 |
} else if (sps->poc_type != 2) { |
481 |
|
|
av_log(avctx, AV_LOG_ERROR, "illegal POC type %d\n", sps->poc_type); |
482 |
|
|
goto fail; |
483 |
|
|
} |
484 |
|
|
|
485 |
|
2111 |
sps->ref_frame_count = get_ue_golomb_31(gb); |
486 |
✗✓ |
2111 |
if (avctx->codec_tag == MKTAG('S', 'M', 'V', '2')) |
487 |
|
|
sps->ref_frame_count = FFMAX(2, sps->ref_frame_count); |
488 |
✗✓ |
2111 |
if (sps->ref_frame_count > MAX_DELAYED_PIC_COUNT) { |
489 |
|
|
av_log(avctx, AV_LOG_ERROR, |
490 |
|
|
"too many reference frames %d\n", sps->ref_frame_count); |
491 |
|
|
goto fail; |
492 |
|
|
} |
493 |
|
2111 |
sps->gaps_in_frame_num_allowed_flag = get_bits1(gb); |
494 |
|
2111 |
sps->mb_width = get_ue_golomb(gb) + 1; |
495 |
|
2111 |
sps->mb_height = get_ue_golomb(gb) + 1; |
496 |
|
|
|
497 |
|
2111 |
sps->frame_mbs_only_flag = get_bits1(gb); |
498 |
|
|
|
499 |
✗✓ |
2111 |
if (sps->mb_height >= INT_MAX / 2U) { |
500 |
|
|
av_log(avctx, AV_LOG_ERROR, "height overflow\n"); |
501 |
|
|
goto fail; |
502 |
|
|
} |
503 |
|
2111 |
sps->mb_height *= 2 - sps->frame_mbs_only_flag; |
504 |
|
|
|
505 |
✓✓ |
2111 |
if (!sps->frame_mbs_only_flag) |
506 |
|
476 |
sps->mb_aff = get_bits1(gb); |
507 |
|
|
else |
508 |
|
1635 |
sps->mb_aff = 0; |
509 |
|
|
|
510 |
✓✗ |
2111 |
if ((unsigned)sps->mb_width >= INT_MAX / 16 || |
511 |
✓✗✗✓
|
4222 |
(unsigned)sps->mb_height >= INT_MAX / 16 || |
512 |
|
2111 |
av_image_check_size(16 * sps->mb_width, |
513 |
|
2111 |
16 * sps->mb_height, 0, avctx)) { |
514 |
|
|
av_log(avctx, AV_LOG_ERROR, "mb_width/height overflow\n"); |
515 |
|
|
goto fail; |
516 |
|
|
} |
517 |
|
|
|
518 |
|
2111 |
sps->direct_8x8_inference_flag = get_bits1(gb); |
519 |
|
|
|
520 |
|
|
#ifndef ALLOW_INTERLACE |
521 |
|
|
if (sps->mb_aff) |
522 |
|
|
av_log(avctx, AV_LOG_ERROR, |
523 |
|
|
"MBAFF support not included; enable it at compile-time.\n"); |
524 |
|
|
#endif |
525 |
|
2111 |
sps->crop = get_bits1(gb); |
526 |
✓✓ |
2111 |
if (sps->crop) { |
527 |
|
206 |
unsigned int crop_left = get_ue_golomb(gb); |
528 |
|
206 |
unsigned int crop_right = get_ue_golomb(gb); |
529 |
|
206 |
unsigned int crop_top = get_ue_golomb(gb); |
530 |
|
206 |
unsigned int crop_bottom = get_ue_golomb(gb); |
531 |
|
206 |
int width = 16 * sps->mb_width; |
532 |
|
206 |
int height = 16 * sps->mb_height; |
533 |
|
|
|
534 |
✗✓ |
206 |
if (avctx->flags2 & AV_CODEC_FLAG2_IGNORE_CROP) { |
535 |
|
|
av_log(avctx, AV_LOG_DEBUG, "discarding sps cropping, original " |
536 |
|
|
"values are l:%d r:%d t:%d b:%d\n", |
537 |
|
|
crop_left, crop_right, crop_top, crop_bottom); |
538 |
|
|
|
539 |
|
|
sps->crop_left = |
540 |
|
|
sps->crop_right = |
541 |
|
|
sps->crop_top = |
542 |
|
|
sps->crop_bottom = 0; |
543 |
|
|
} else { |
544 |
|
206 |
int vsub = (sps->chroma_format_idc == 1) ? 1 : 0; |
545 |
|
412 |
int hsub = (sps->chroma_format_idc == 1 || |
546 |
✓✓✓✓
|
206 |
sps->chroma_format_idc == 2) ? 1 : 0; |
547 |
|
206 |
int step_x = 1 << hsub; |
548 |
|
206 |
int step_y = (2 - sps->frame_mbs_only_flag) << vsub; |
549 |
|
|
|
550 |
✓✗ |
206 |
if (crop_left > (unsigned)INT_MAX / 4 / step_x || |
551 |
✓✗ |
206 |
crop_right > (unsigned)INT_MAX / 4 / step_x || |
552 |
✓✗ |
206 |
crop_top > (unsigned)INT_MAX / 4 / step_y || |
553 |
✓✗ |
206 |
crop_bottom> (unsigned)INT_MAX / 4 / step_y || |
554 |
✓✗ |
206 |
(crop_left + crop_right ) * step_x >= width || |
555 |
✗✓ |
206 |
(crop_top + crop_bottom) * step_y >= height |
556 |
|
|
) { |
557 |
|
|
av_log(avctx, AV_LOG_ERROR, "crop values invalid %d %d %d %d / %d %d\n", crop_left, crop_right, crop_top, crop_bottom, width, height); |
558 |
|
|
goto fail; |
559 |
|
|
} |
560 |
|
|
|
561 |
|
206 |
sps->crop_left = crop_left * step_x; |
562 |
|
206 |
sps->crop_right = crop_right * step_x; |
563 |
|
206 |
sps->crop_top = crop_top * step_y; |
564 |
|
206 |
sps->crop_bottom = crop_bottom * step_y; |
565 |
|
|
} |
566 |
|
|
} else { |
567 |
|
1905 |
sps->crop_left = |
568 |
|
1905 |
sps->crop_right = |
569 |
|
1905 |
sps->crop_top = |
570 |
|
1905 |
sps->crop_bottom = |
571 |
|
1905 |
sps->crop = 0; |
572 |
|
|
} |
573 |
|
|
|
574 |
|
2111 |
sps->vui_parameters_present_flag = get_bits1(gb); |
575 |
✓✓ |
2111 |
if (sps->vui_parameters_present_flag) { |
576 |
|
549 |
int ret = decode_vui_parameters(gb, avctx, sps); |
577 |
✗✓ |
549 |
if (ret < 0) |
578 |
|
|
goto fail; |
579 |
|
|
} |
580 |
|
|
|
581 |
✓✓ |
2111 |
if (get_bits_left(gb) < 0) { |
582 |
|
8 |
av_log_once(avctx, ignore_truncation ? AV_LOG_WARNING : AV_LOG_ERROR, AV_LOG_DEBUG, |
583 |
✗✓ |
4 |
&ps->overread_warning_printed[sps->vui_parameters_present_flag], |
584 |
✓✗ |
4 |
"Overread %s by %d bits\n", sps->vui_parameters_present_flag ? "VUI" : "SPS", -get_bits_left(gb)); |
585 |
✓✗ |
4 |
if (!ignore_truncation) |
586 |
|
4 |
goto fail; |
587 |
|
|
} |
588 |
|
|
|
589 |
|
|
/* if the maximum delay is not stored in the SPS, derive it based on the |
590 |
|
|
* level */ |
591 |
✓✓ |
2107 |
if (!sps->bitstream_restriction_flag && |
592 |
✓✓✗✓
|
1655 |
(sps->ref_frame_count || avctx->strict_std_compliance >= FF_COMPLIANCE_STRICT)) { |
593 |
|
1596 |
sps->num_reorder_frames = MAX_DELAYED_PIC_COUNT - 1; |
594 |
✓✗ |
8659 |
for (i = 0; i < FF_ARRAY_ELEMS(level_max_dpb_mbs); i++) { |
595 |
✓✓ |
8659 |
if (level_max_dpb_mbs[i][0] == sps->level_idc) { |
596 |
|
1596 |
sps->num_reorder_frames = FFMIN(level_max_dpb_mbs[i][1] / (sps->mb_width * sps->mb_height), |
597 |
|
|
sps->num_reorder_frames); |
598 |
|
1596 |
break; |
599 |
|
|
} |
600 |
|
|
} |
601 |
|
|
} |
602 |
|
|
|
603 |
✓✓ |
2107 |
if (!sps->sar.den) |
604 |
|
1914 |
sps->sar.den = 1; |
605 |
|
|
|
606 |
✗✓ |
2107 |
if (avctx->debug & FF_DEBUG_PICT_INFO) { |
607 |
|
|
static const char csp[4][5] = { "Gray", "420", "422", "444" }; |
608 |
|
|
av_log(avctx, AV_LOG_DEBUG, |
609 |
|
|
"sps:%u profile:%d/%d poc:%d ref:%d %dx%d %s %s crop:%u/%u/%u/%u %s %s %"PRId32"/%"PRId32" b%d reo:%d\n", |
610 |
|
|
sps_id, sps->profile_idc, sps->level_idc, |
611 |
|
|
sps->poc_type, |
612 |
|
|
sps->ref_frame_count, |
613 |
|
|
sps->mb_width, sps->mb_height, |
614 |
|
|
sps->frame_mbs_only_flag ? "FRM" : (sps->mb_aff ? "MB-AFF" : "PIC-AFF"), |
615 |
|
|
sps->direct_8x8_inference_flag ? "8B8" : "", |
616 |
|
|
sps->crop_left, sps->crop_right, |
617 |
|
|
sps->crop_top, sps->crop_bottom, |
618 |
|
|
sps->vui_parameters_present_flag ? "VUI" : "", |
619 |
|
|
csp[sps->chroma_format_idc], |
620 |
|
|
sps->timing_info_present_flag ? sps->num_units_in_tick : 0, |
621 |
|
|
sps->timing_info_present_flag ? sps->time_scale : 0, |
622 |
|
|
sps->bit_depth_luma, |
623 |
|
|
sps->bitstream_restriction_flag ? sps->num_reorder_frames : -1 |
624 |
|
|
); |
625 |
|
|
} |
626 |
|
|
|
627 |
|
|
/* check if this is a repeat of an already parsed SPS, then keep the |
628 |
|
|
* original one. |
629 |
|
|
* otherwise drop all PPSes that depend on it */ |
630 |
✓✓ |
2107 |
if (ps->sps_list[sps_id] && |
631 |
✓✓ |
1330 |
!memcmp(ps->sps_list[sps_id]->data, sps_buf->data, sps_buf->size)) { |
632 |
|
1302 |
av_buffer_unref(&sps_buf); |
633 |
|
|
} else { |
634 |
|
805 |
remove_sps(ps, sps_id); |
635 |
|
805 |
ps->sps_list[sps_id] = sps_buf; |
636 |
|
|
} |
637 |
|
|
|
638 |
|
2107 |
return 0; |
639 |
|
|
|
640 |
|
4 |
fail: |
641 |
|
4 |
av_buffer_unref(&sps_buf); |
642 |
|
4 |
return AVERROR_INVALIDDATA; |
643 |
|
|
} |
644 |
|
|
|
645 |
|
606 |
static void init_dequant8_coeff_table(PPS *pps, const SPS *sps) |
646 |
|
|
{ |
647 |
|
|
int i, j, q, x; |
648 |
|
606 |
const int max_qp = 51 + 6 * (sps->bit_depth_luma - 8); |
649 |
|
|
|
650 |
✓✓ |
4242 |
for (i = 0; i < 6; i++) { |
651 |
|
3636 |
pps->dequant8_coeff[i] = pps->dequant8_buffer[i]; |
652 |
✓✓ |
5497 |
for (j = 0; j < i; j++) |
653 |
✓✓ |
4362 |
if (!memcmp(pps->scaling_matrix8[j], pps->scaling_matrix8[i], |
654 |
|
|
64 * sizeof(uint8_t))) { |
655 |
|
2501 |
pps->dequant8_coeff[i] = pps->dequant8_buffer[j]; |
656 |
|
2501 |
break; |
657 |
|
|
} |
658 |
✓✓ |
3636 |
if (j < i) |
659 |
|
2501 |
continue; |
660 |
|
|
|
661 |
✓✓ |
61433 |
for (q = 0; q < max_qp + 1; q++) { |
662 |
|
60298 |
int shift = ff_h264_quant_div6[q]; |
663 |
|
60298 |
int idx = ff_h264_quant_rem6[q]; |
664 |
✓✓ |
3919370 |
for (x = 0; x < 64; x++) |
665 |
|
3859072 |
pps->dequant8_coeff[i][q][(x >> 3) | ((x & 7) << 3)] = |
666 |
|
3859072 |
((uint32_t)ff_h264_dequant8_coeff_init[idx][ff_h264_dequant8_coeff_init_scan[((x >> 1) & 12) | (x & 3)]] * |
667 |
|
3859072 |
pps->scaling_matrix8[i][x]) << shift; |
668 |
|
|
} |
669 |
|
|
} |
670 |
|
606 |
} |
671 |
|
|
|
672 |
|
13816 |
static void init_dequant4_coeff_table(PPS *pps, const SPS *sps) |
673 |
|
|
{ |
674 |
|
|
int i, j, q, x; |
675 |
|
13816 |
const int max_qp = 51 + 6 * (sps->bit_depth_luma - 8); |
676 |
✓✓ |
96712 |
for (i = 0; i < 6; i++) { |
677 |
|
82896 |
pps->dequant4_coeff[i] = pps->dequant4_buffer[i]; |
678 |
✓✓ |
87073 |
for (j = 0; j < i; j++) |
679 |
✓✓ |
72438 |
if (!memcmp(pps->scaling_matrix4[j], pps->scaling_matrix4[i], |
680 |
|
|
16 * sizeof(uint8_t))) { |
681 |
|
68261 |
pps->dequant4_coeff[i] = pps->dequant4_buffer[j]; |
682 |
|
68261 |
break; |
683 |
|
|
} |
684 |
✓✓ |
82896 |
if (j < i) |
685 |
|
68261 |
continue; |
686 |
|
|
|
687 |
✓✓ |
777299 |
for (q = 0; q < max_qp + 1; q++) { |
688 |
|
762664 |
int shift = ff_h264_quant_div6[q] + 2; |
689 |
|
762664 |
int idx = ff_h264_quant_rem6[q]; |
690 |
✓✓ |
12965288 |
for (x = 0; x < 16; x++) |
691 |
|
12202624 |
pps->dequant4_coeff[i][q][(x >> 2) | ((x << 2) & 0xF)] = |
692 |
|
12202624 |
((uint32_t)ff_h264_dequant4_coeff_init[idx][(x & 1) + ((x >> 2) & 1)] * |
693 |
|
12202624 |
pps->scaling_matrix4[i][x]) << shift; |
694 |
|
|
} |
695 |
|
|
} |
696 |
|
13816 |
} |
697 |
|
|
|
698 |
|
13816 |
static void init_dequant_tables(PPS *pps, const SPS *sps) |
699 |
|
|
{ |
700 |
|
|
int i, x; |
701 |
|
13816 |
init_dequant4_coeff_table(pps, sps); |
702 |
|
13816 |
memset(pps->dequant8_coeff, 0, sizeof(pps->dequant8_coeff)); |
703 |
|
|
|
704 |
✓✓ |
13816 |
if (pps->transform_8x8_mode) |
705 |
|
606 |
init_dequant8_coeff_table(pps, sps); |
706 |
✓✓ |
13816 |
if (sps->transform_bypass) { |
707 |
✓✓ |
133 |
for (i = 0; i < 6; i++) |
708 |
✓✓ |
1938 |
for (x = 0; x < 16; x++) |
709 |
|
1824 |
pps->dequant4_coeff[i][0][x] = 1 << 6; |
710 |
✓✓ |
19 |
if (pps->transform_8x8_mode) |
711 |
✓✓ |
126 |
for (i = 0; i < 6; i++) |
712 |
✓✓ |
7020 |
for (x = 0; x < 64; x++) |
713 |
|
6912 |
pps->dequant8_coeff[i][0][x] = 1 << 6; |
714 |
|
|
} |
715 |
|
13816 |
} |
716 |
|
|
|
717 |
|
27632 |
static void build_qp_table(PPS *pps, int t, int index, const int depth) |
718 |
|
|
{ |
719 |
|
|
int i; |
720 |
|
27632 |
const int max_qp = 51 + 6 * (depth - 8); |
721 |
✓✓ |
1467376 |
for (i = 0; i < max_qp + 1; i++) |
722 |
|
1439744 |
pps->chroma_qp_table[t][i] = |
723 |
|
1439744 |
ff_h264_chroma_qp[depth - 8][av_clip(i + index, 0, max_qp)]; |
724 |
|
27632 |
} |
725 |
|
|
|
726 |
|
618 |
static int more_rbsp_data_in_pps(const SPS *sps, void *logctx) |
727 |
|
|
{ |
728 |
|
618 |
int profile_idc = sps->profile_idc; |
729 |
|
|
|
730 |
✓✓✓✓ ✗✓ |
618 |
if ((profile_idc == 66 || profile_idc == 77 || |
731 |
✗✓ |
12 |
profile_idc == 88) && (sps->constraint_set_flags & 7)) { |
732 |
|
|
av_log(logctx, AV_LOG_VERBOSE, |
733 |
|
|
"Current profile doesn't provide more RBSP data in PPS, skipping\n"); |
734 |
|
|
return 0; |
735 |
|
|
} |
736 |
|
|
|
737 |
|
618 |
return 1; |
738 |
|
|
} |
739 |
|
|
|
740 |
|
13830 |
static void pps_free(void *opaque, uint8_t *data) |
741 |
|
|
{ |
742 |
|
13830 |
PPS *pps = (PPS*)data; |
743 |
|
|
|
744 |
|
13830 |
av_buffer_unref(&pps->sps_ref); |
745 |
|
|
|
746 |
|
13830 |
av_freep(&data); |
747 |
|
13830 |
} |
748 |
|
|
|
749 |
|
13830 |
int ff_h264_decode_picture_parameter_set(GetBitContext *gb, AVCodecContext *avctx, |
750 |
|
|
H264ParamSets *ps, int bit_length) |
751 |
|
|
{ |
752 |
|
|
AVBufferRef *pps_buf; |
753 |
|
|
const SPS *sps; |
754 |
|
13830 |
unsigned int pps_id = get_ue_golomb(gb); |
755 |
|
|
PPS *pps; |
756 |
|
|
int qp_bd_offset; |
757 |
|
|
int bits_left; |
758 |
|
|
int ret; |
759 |
|
|
|
760 |
✗✓ |
13830 |
if (pps_id >= MAX_PPS_COUNT) { |
761 |
|
|
av_log(avctx, AV_LOG_ERROR, "pps_id %u out of range\n", pps_id); |
762 |
|
|
return AVERROR_INVALIDDATA; |
763 |
|
|
} |
764 |
|
|
|
765 |
|
13830 |
pps = av_mallocz(sizeof(*pps)); |
766 |
✗✓ |
13830 |
if (!pps) |
767 |
|
|
return AVERROR(ENOMEM); |
768 |
|
13830 |
pps_buf = av_buffer_create((uint8_t*)pps, sizeof(*pps), |
769 |
|
|
pps_free, NULL, 0); |
770 |
✗✓ |
13830 |
if (!pps_buf) { |
771 |
|
|
av_freep(&pps); |
772 |
|
|
return AVERROR(ENOMEM); |
773 |
|
|
} |
774 |
|
|
|
775 |
|
13830 |
pps->data_size = gb->buffer_end - gb->buffer; |
776 |
✗✓ |
13830 |
if (pps->data_size > sizeof(pps->data)) { |
777 |
|
|
av_log(avctx, AV_LOG_DEBUG, "Truncating likely oversized PPS " |
778 |
|
|
"(%"SIZE_SPECIFIER" > %"SIZE_SPECIFIER")\n", |
779 |
|
|
pps->data_size, sizeof(pps->data)); |
780 |
|
|
pps->data_size = sizeof(pps->data); |
781 |
|
|
} |
782 |
|
13830 |
memcpy(pps->data, gb->buffer, pps->data_size); |
783 |
|
|
|
784 |
|
13830 |
pps->sps_id = get_ue_golomb_31(gb); |
785 |
✓✗ |
13830 |
if ((unsigned)pps->sps_id >= MAX_SPS_COUNT || |
786 |
✗✓ |
13830 |
!ps->sps_list[pps->sps_id]) { |
787 |
|
|
av_log(avctx, AV_LOG_ERROR, "sps_id %u out of range\n", pps->sps_id); |
788 |
|
|
ret = AVERROR_INVALIDDATA; |
789 |
|
|
goto fail; |
790 |
|
|
} |
791 |
|
13830 |
pps->sps_ref = av_buffer_ref(ps->sps_list[pps->sps_id]); |
792 |
✗✓ |
13830 |
if (!pps->sps_ref) { |
793 |
|
|
ret = AVERROR(ENOMEM); |
794 |
|
|
goto fail; |
795 |
|
|
} |
796 |
|
13830 |
pps->sps = (const SPS*)pps->sps_ref->data; |
797 |
|
13830 |
sps = pps->sps; |
798 |
|
|
|
799 |
✗✓ |
13830 |
if (sps->bit_depth_luma > 14) { |
800 |
|
|
av_log(avctx, AV_LOG_ERROR, |
801 |
|
|
"Invalid luma bit depth=%d\n", |
802 |
|
|
sps->bit_depth_luma); |
803 |
|
|
ret = AVERROR_INVALIDDATA; |
804 |
|
|
goto fail; |
805 |
✓✗✗✓
|
13830 |
} else if (sps->bit_depth_luma == 11 || sps->bit_depth_luma == 13) { |
806 |
|
|
avpriv_report_missing_feature(avctx, |
807 |
|
|
"Unimplemented luma bit depth=%d", |
808 |
|
|
sps->bit_depth_luma); |
809 |
|
|
ret = AVERROR_PATCHWELCOME; |
810 |
|
|
goto fail; |
811 |
|
|
} |
812 |
|
|
|
813 |
|
13830 |
pps->cabac = get_bits1(gb); |
814 |
|
13830 |
pps->pic_order_present = get_bits1(gb); |
815 |
|
13830 |
pps->slice_group_count = get_ue_golomb(gb) + 1; |
816 |
✓✓ |
13830 |
if (pps->slice_group_count > 1) { |
817 |
|
14 |
pps->mb_slice_group_map_type = get_ue_golomb(gb); |
818 |
|
14 |
avpriv_report_missing_feature(avctx, "FMO"); |
819 |
|
14 |
ret = AVERROR_PATCHWELCOME; |
820 |
|
14 |
goto fail; |
821 |
|
|
} |
822 |
|
13816 |
pps->ref_count[0] = get_ue_golomb(gb) + 1; |
823 |
|
13816 |
pps->ref_count[1] = get_ue_golomb(gb) + 1; |
824 |
✓✗✗✓
|
13816 |
if (pps->ref_count[0] - 1 > 32 - 1 || pps->ref_count[1] - 1 > 32 - 1) { |
825 |
|
|
av_log(avctx, AV_LOG_ERROR, "reference overflow (pps)\n"); |
826 |
|
|
ret = AVERROR_INVALIDDATA; |
827 |
|
|
goto fail; |
828 |
|
|
} |
829 |
|
|
|
830 |
|
13816 |
qp_bd_offset = 6 * (sps->bit_depth_luma - 8); |
831 |
|
|
|
832 |
|
13816 |
pps->weighted_pred = get_bits1(gb); |
833 |
|
13816 |
pps->weighted_bipred_idc = get_bits(gb, 2); |
834 |
|
13816 |
pps->init_qp = get_se_golomb(gb) + 26U + qp_bd_offset; |
835 |
|
13816 |
pps->init_qs = get_se_golomb(gb) + 26U + qp_bd_offset; |
836 |
|
13816 |
pps->chroma_qp_index_offset[0] = get_se_golomb(gb); |
837 |
✓✗✗✓
|
13816 |
if (pps->chroma_qp_index_offset[0] < -12 || pps->chroma_qp_index_offset[0] > 12) { |
838 |
|
|
ret = AVERROR_INVALIDDATA; |
839 |
|
|
goto fail; |
840 |
|
|
} |
841 |
|
|
|
842 |
|
13816 |
pps->deblocking_filter_parameters_present = get_bits1(gb); |
843 |
|
13816 |
pps->constrained_intra_pred = get_bits1(gb); |
844 |
|
13816 |
pps->redundant_pic_cnt_present = get_bits1(gb); |
845 |
|
|
|
846 |
|
13816 |
pps->transform_8x8_mode = 0; |
847 |
|
13816 |
memcpy(pps->scaling_matrix4, sps->scaling_matrix4, |
848 |
|
|
sizeof(pps->scaling_matrix4)); |
849 |
|
13816 |
memcpy(pps->scaling_matrix8, sps->scaling_matrix8, |
850 |
|
|
sizeof(pps->scaling_matrix8)); |
851 |
|
|
|
852 |
|
13816 |
bits_left = bit_length - get_bits_count(gb); |
853 |
✓✓✓✗
|
13816 |
if (bits_left > 0 && more_rbsp_data_in_pps(sps, avctx)) { |
854 |
|
618 |
pps->transform_8x8_mode = get_bits1(gb); |
855 |
|
618 |
ret = decode_scaling_matrices(gb, sps, pps, 0, |
856 |
|
618 |
pps->scaling_matrix4, pps->scaling_matrix8); |
857 |
✗✓ |
618 |
if (ret < 0) |
858 |
|
|
goto fail; |
859 |
|
|
// second_chroma_qp_index_offset |
860 |
|
618 |
pps->chroma_qp_index_offset[1] = get_se_golomb(gb); |
861 |
✓✗✗✓
|
618 |
if (pps->chroma_qp_index_offset[1] < -12 || pps->chroma_qp_index_offset[1] > 12) { |
862 |
|
|
ret = AVERROR_INVALIDDATA; |
863 |
|
|
goto fail; |
864 |
|
|
} |
865 |
|
|
} else { |
866 |
|
13198 |
pps->chroma_qp_index_offset[1] = pps->chroma_qp_index_offset[0]; |
867 |
|
|
} |
868 |
|
|
|
869 |
|
13816 |
build_qp_table(pps, 0, pps->chroma_qp_index_offset[0], |
870 |
|
|
sps->bit_depth_luma); |
871 |
|
13816 |
build_qp_table(pps, 1, pps->chroma_qp_index_offset[1], |
872 |
|
|
sps->bit_depth_luma); |
873 |
|
|
|
874 |
|
13816 |
init_dequant_tables(pps, sps); |
875 |
|
|
|
876 |
✓✓ |
13816 |
if (pps->chroma_qp_index_offset[0] != pps->chroma_qp_index_offset[1]) |
877 |
|
76 |
pps->chroma_qp_diff = 1; |
878 |
|
|
|
879 |
✗✓ |
13816 |
if (avctx->debug & FF_DEBUG_PICT_INFO) { |
880 |
|
|
av_log(avctx, AV_LOG_DEBUG, |
881 |
|
|
"pps:%u sps:%u %s slice_groups:%d ref:%u/%u %s qp:%d/%d/%d/%d %s %s %s %s\n", |
882 |
|
|
pps_id, pps->sps_id, |
883 |
|
|
pps->cabac ? "CABAC" : "CAVLC", |
884 |
|
|
pps->slice_group_count, |
885 |
|
|
pps->ref_count[0], pps->ref_count[1], |
886 |
|
|
pps->weighted_pred ? "weighted" : "", |
887 |
|
|
pps->init_qp, pps->init_qs, pps->chroma_qp_index_offset[0], pps->chroma_qp_index_offset[1], |
888 |
|
|
pps->deblocking_filter_parameters_present ? "LPAR" : "", |
889 |
|
|
pps->constrained_intra_pred ? "CONSTR" : "", |
890 |
|
|
pps->redundant_pic_cnt_present ? "REDU" : "", |
891 |
|
|
pps->transform_8x8_mode ? "8x8DCT" : ""); |
892 |
|
|
} |
893 |
|
|
|
894 |
|
13816 |
remove_pps(ps, pps_id); |
895 |
|
13816 |
ps->pps_list[pps_id] = pps_buf; |
896 |
|
|
|
897 |
|
13816 |
return 0; |
898 |
|
|
|
899 |
|
14 |
fail: |
900 |
|
14 |
av_buffer_unref(&pps_buf); |
901 |
|
14 |
return ret; |
902 |
|
|
} |