/* * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. * * The Original Code is Fluendo MPEG Demuxer plugin. * * The Initial Developer of the Original Code is Fluendo, S.L. * Portions created by Fluendo, S.L. are Copyright (C) 2005 * Fluendo, S.L. All Rights Reserved. * * Contributor(s): Wim Taymans */ #ifndef __GST_MPEG_DEFS_H__ #define __GST_MPEG_DEFS_H__ #include #define SAFE_FOURCC_FORMAT "02x%02x%02x%02x (%c%c%c%c)" #define SAFE_CHAR(a) (g_ascii_isalnum((gchar) (a)) ? ((gchar)(a)) : '.') #define SAFE_FOURCC_ARGS(a) \ ((guint8) ((a)>>24)), \ ((guint8) ((a) >> 16 & 0xff)), \ ((guint8) a >> 8 & 0xff), \ ((guint8) a & 0xff), \ SAFE_CHAR((a)>>24), \ SAFE_CHAR((a) >> 16 & 0xff), \ SAFE_CHAR((a) >> 8 & 0xff), \ SAFE_CHAR(a & 0xff) /* Stream type assignments */ /* FIXME: Put these in mpegts lib separate stream type enums */ /* Un-official Dirac extension */ #define ST_VIDEO_DIRAC 0xd1 /* private stream types */ #define ST_PS_VIDEO_MPEG2_DCII 0x80 #define ST_PS_AUDIO_AC3 0x81 #define ST_PS_AUDIO_LPCM2 0x83 #define ST_PS_AUDIO_DTS 0x8a #define ST_PS_AUDIO_LPCM 0x8b #define ST_PS_DVD_SUBPICTURE 0xff /* Blu-ray related (registration: 'HDMV'*/ #define ST_BD_AUDIO_LPCM 0x80 #define ST_BD_AUDIO_AC3 0x81 #define ST_BD_AUDIO_DTS 0x82 #define ST_BD_AUDIO_AC3_TRUE_HD 0x83 #define ST_BD_AUDIO_AC3_PLUS 0x84 #define ST_BD_AUDIO_DTS_HD 0x85 #define ST_BD_AUDIO_DTS_HD_MASTER_AUDIO 0x86 #define ST_BD_AUDIO_EAC3 0x87 #define ST_BD_PGS_SUBPICTURE 0x90 #define ST_BD_IGS 0x91 #define ST_BD_SUBTITLE 0x92 #define ST_BD_SECONDARY_AC3_PLUS 0xa1 #define ST_BD_SECONDARY_DTS_HD 0xa2 /* defined for VC1 extension in RP227 */ #define ST_PRIVATE_EA 0xea /* Following only apply for streams identified as HDV, * According to specification 61834-11 the PMT will use * a registration descriptor with values TSMV or TSHV */ /* HDV AUX stream mapping * 0xA0 ISO/IEC 61834-11 * 0xA1 ISO/IEC 61834-11 */ #define ST_HDV_AUX_A 0xa0 #define ST_HDV_AUX_V 0xa1 #define CLOCK_BASE 9LL #define CLOCK_FREQ (CLOCK_BASE * 10000) /* Numerical values for second/millisecond in PCR units */ #define PCR_SECOND 27000000 #define PCR_MSECOND 27000 /* PCR_TO_GST calculation requires at least 10 extra bits. * Since maximum PCR value is coded with 42 bits, we are * safe to use direct calculation (10+42 < 63)*/ #define PCRTIME_TO_GSTTIME(t) (((t) * (guint64)1000) / 27) /* MPEG_TO_GST calculation requires at least 17 extra bits (100000) * Since maximum PTS/DTS value is coded with 33bits, we are * safe to use direct calculation (17+33 < 63) */ #define MPEGTIME_TO_GSTTIME(t) ((t) * (guint64)100000 / 9) #define GSTTIME_TO_MPEGTIME(time) (gst_util_uint64_scale ((time), \ CLOCK_BASE, GST_MSECOND/10)) #define GSTTIME_TO_PCRTIME(time) (gst_util_uint64_scale ((time), \ 300 * CLOCK_BASE, GST_MSECOND/10)) #define MPEG_MUX_RATE_MULT 50 /* sync:4 == 00xx ! pts:3 ! 1 ! pts:15 ! 1 | pts:15 ! 1 */ #define READ_TS(data, target, lost_sync_label) \ if ((*data & 0x01) != 0x01) goto lost_sync_label; \ target = ((guint64) (*data++ & 0x0E)) << 29; \ target |= ((guint64) (*data++ )) << 22; \ if ((*data & 0x01) != 0x01) goto lost_sync_label; \ target |= ((guint64) (*data++ & 0xFE)) << 14; \ target |= ((guint64) (*data++ )) << 7; \ if ((*data & 0x01) != 0x01) goto lost_sync_label; \ target |= ((guint64) (*data++ & 0xFE)) >> 1; #endif /* __GST_MPEG_DEFS_H__ */