| /* |
| * |
| * 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 <wim@fluendo.com> |
| */ |
| |
| #ifndef __GST_MPEG_DEFS_H__ |
| #define __GST_MPEG_DEFS_H__ |
| #include <glib/gprintf.h> |
| |
| #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_EAC3 0x87 |
| #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__ */ |
