kopia lustrzana https://github.com/kierank/libmpegts
148 wiersze
4.3 KiB
C
148 wiersze
4.3 KiB
C
/*****************************************************************************
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* codecs.h : Codec specific headers
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*****************************************************************************
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* Copyright (C) 2010 Kieran Kunhya
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
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*****************************************************************************/
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#ifndef LIBMPEGTS_CODECS_H
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#define LIBMPEGTS_CODECS_H
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/* Video */
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typedef struct
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{
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int level;
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int profile;
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int bitrate; /* max bitrate (kbit/sec) */
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int vbv; /* max vbv buffer (kbit) */
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} mpeg2_level_t;
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const mpeg2_level_t mpeg2_levels[] =
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{
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{ LIBMPEGTS_MPEG2_LEVEL_LOW, LIBMPEGTS_MPEG2_PROFILE_MAIN, 4000000, 475136 },
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{ LIBMPEGTS_MPEG2_LEVEL_MAIN, LIBMPEGTS_MPEG2_PROFILE_SIMPLE, 15000000, 1835008 },
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{ LIBMPEGTS_MPEG2_LEVEL_MAIN, LIBMPEGTS_MPEG2_PROFILE_MAIN, 15000000, 1835008 },
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{ LIBMPEGTS_MPEG2_LEVEL_MAIN, LIBMPEGTS_MPEG2_PROFILE_422, 50000000, 9437184 },
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{ LIBMPEGTS_MPEG2_LEVEL_HIGH_1440,LIBMPEGTS_MPEG2_PROFILE_MAIN, 60000000, 7340732 },
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{ LIBMPEGTS_MPEG2_LEVEL_HIGH, LIBMPEGTS_MPEG2_PROFILE_MAIN, 80000000, 9781248 },
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{ LIBMPEGTS_MPEG2_LEVEL_HIGHP, LIBMPEGTS_MPEG2_PROFILE_MAIN, 80000000, 9781248 },
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{ 0 }
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};
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typedef struct
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{
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int level_idc;
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int bitrate; /* max bitrate (kbit/sec) */
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int cpb; /* max vbv buffer (kbit) */
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} avc_level_t;
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const avc_level_t avc_levels[] =
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{
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{ 10, 64, 64 },
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{ 9, 128, 350 }, /* 1b */
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{ 11, 192, 500 },
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{ 12, 384, 1000 },
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{ 13, 768, 2000 },
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{ 20, 2000, 2000 },
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{ 21, 4000, 4000 },
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{ 22, 4000, 4000 },
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{ 30, 10000, 10000 },
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{ 31, 14000, 14000 },
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{ 32, 20000, 20000 },
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{ 40, 20000, 25000 },
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{ 41, 50000, 62500 },
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{ 42, 50000, 62500 },
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{ 50, 135000, 135000 },
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{ 51, 240000, 240000 },
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{ 52, 240000, 240000 },
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{ 0 }
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};
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const uint8_t avc_profiles[] =
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{
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[AVC_BASELINE] = 66,
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[AVC_MAIN] = 77,
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[AVC_HIGH] = 100,
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[AVC_HIGH_10] = 110,
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[AVC_HIGH_422] = 122,
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[AVC_HIGH_444_PRED] = 244,
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[AVC_HIGH_10_INTRA] = 110,
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[AVC_HIGH_422_INTRA] = 122,
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[AVC_HIGH_444_INTRA] = 244,
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[AVC_CAVLC_444_INTRA] = 44,
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};
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const int nal_factor[] =
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{
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[AVC_BASELINE] = 1200,
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[AVC_MAIN] = 1200,
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[AVC_HIGH] = 1500,
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[AVC_HIGH_10] = 3600,
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[AVC_HIGH_422] = 4800,
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[AVC_HIGH_444_PRED] = 4800,
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[AVC_HIGH_10_INTRA] = 3600,
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[AVC_HIGH_422_INTRA] = 4800,
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[AVC_HIGH_444_INTRA] = 4800,
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[AVC_CAVLC_444_INTRA] = 4800,
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};
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/* Audio */
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typedef struct
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{
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int max_channels;
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int rxn; /* Leak rate from Transport Buffer */
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int bsn; /* Size of Main buffer */
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} aac_buffer_t;
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const aac_buffer_t aac_buffers[] =
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{
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{ 2, 2000000, 3584*8 },
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{ 8, 5529600, 8976*8 },
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{ 12, 8294400, 12804*8 },
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{ 48, 33177600, 51216*8 },
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{ 0 },
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};
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/* AC3 buffer sizes */
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#define AC3_BS_ATSC 2592*8
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#define AC3_BS_DVB 5696*8
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/* SMPTE 302M */
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#define SMPTE_302M_AUDIO_BS 65024*8
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#define SMPTE_302M_AUDIO_SR 48000
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/* Misc Audio */
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#define MISC_AUDIO_BS 3584*8
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#define MISC_AUDIO_RXN 2000000
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/* DVB Subtitles */
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#define DVB_SUB_RXN 192000
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#define DVB_SUB_MB_SIZE 24000
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#define DVB_SUB_DDS_TB_SIZE TB_SIZE*2*8
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#define DVB_SUB_DDS_RXN 400000
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#define DVB_SUB_DDS_MB_SIZE 100000
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/* Teletext */
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#define TELETEXT_T_BS 480*8 /* Seems to have an odd Transport Buffer size */
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#define TELETEXT_RXN 6750000
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#define TELETEXT_BTTX 1504*8
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/* SCTE VBI */
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#define SCTE_VBI_RXN 324539
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#define SCTE_VBI_MB_SIZE 2256*8
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#endif
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