/* * section and descriptor parser * * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org) * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net) * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */ #ifndef _UCSI_DVB_COMPONENT_DESCRIPTOR #define _UCSI_DVB_COMPONENT_DESCRIPTOR 1 #ifdef __cplusplus extern "C" { #endif #include #include #include /** * Possible values for stream_content. */ enum { DVB_STREAM_CONTENT_VIDEO = 0x01, DVB_STREAM_CONTENT_AUDIO = 0x02, DVB_STREAM_CONTENT_SUBTITLE = 0x03, DVB_STREAM_CONTENT_AC3 = 0x04, }; /** * Possible values for component_type. */ enum { DVB_COMPONENT_TYPE_VIDEO_43_25Hz = 0x01, DVB_COMPONENT_TYPE_VIDEO_169_PAN_25Hz = 0x02, DVB_COMPONENT_TYPE_VIDEO_169_NOPAN_25Hz = 0x03, DVB_COMPONENT_TYPE_VIDEO_GT169_25Hz = 0x04, DVB_COMPONENT_TYPE_VIDEO_43_30Hz = 0x05, DVB_COMPONENT_TYPE_VIDEO_169_PAN_30Hz = 0x06, DVB_COMPONENT_TYPE_VIDEO_169_NOPAN_30Hz = 0x07, DVB_COMPONENT_TYPE_VIDEO_GT169_30Hz = 0x08, DVB_COMPONENT_TYPE_HDVIDEO_43_25Hz = 0x09, DVB_COMPONENT_TYPE_HDVIDEO_169_PAN_25Hz = 0x0a, DVB_COMPONENT_TYPE_HDVIDEO_169_NOPAN_25Hz = 0x0b, DVB_COMPONENT_TYPE_HDVIDEO_GT169_25Hz = 0x0c, DVB_COMPONENT_TYPE_HDVIDEO_43_30Hz = 0x0d, DVB_COMPONENT_TYPE_HDVIDEO_169_PAN_30Hz = 0x0e, DVB_COMPONENT_TYPE_HDVIDEO_169_NOPAN_30Hz = 0x0f, DVB_COMPONENT_TYPE_HDVIDEO_GT169_30Hz = 0x10, DVB_COMPONENT_TYPE_AUDIO_SINGLE_MONO = 0x01, DVB_COMPONENT_TYPE_AUDIO_DUAL_MONO = 0x02, DVB_COMPONENT_TYPE_AUDIO_STEREO = 0x03, DVB_COMPONENT_TYPE_AUDIO_MULTI_LINGUAL_MULTI_CHAN= 0x04, DVB_COMPONENT_TYPE_AUDIO_SURROUND = 0x05, DVB_COMPONENT_TYPE_AUDIO_VISUAL_IMPAIRED = 0x40, DVB_COMPONENT_TYPE_AUDIO_HARDHEAR = 0x41, DVB_COMPONENT_TYPE_AUDIO_SUPPLEMENTARY = 0x42, DVB_COMPONENT_TYPE_SUBTITLE_TELETEXT = 0x01, DVB_COMPONENT_TYPE_SUBTITLE_ASSOC_TELETEXT = 0x02, DVB_COMPONENT_TYPE_SUBTITLE_VBI = 0x03, DVB_COMPONENT_TYPE_SUBTITLE_DVB = 0x10, DVB_COMPONENT_TYPE_SUBTITLE_DVB_43 = 0x11, DVB_COMPONENT_TYPE_SUBTITLE_DVB_169 = 0x12, DVB_COMPONENT_TYPE_SUBTITLE_DVB_2211 = 0x13, DVB_COMPONENT_TYPE_SUBTITLE_DVB_HARDHEAR = 0x20, DVB_COMPONENT_TYPE_SUBTITLE_DVB_HARDHEAR_43 = 0x21, DVB_COMPONENT_TYPE_SUBTITLE_DVB_HARDHEAR_169 = 0x22, DVB_COMPONENT_TYPE_SUBTITLE_DVB_HARDHEAR_2211 = 0x23, }; /** * dvb_component_descriptor structure. */ struct dvb_component_descriptor { struct descriptor d; EBIT2(uint8_t reserved : 4; , uint8_t stream_content : 4; ); uint8_t component_type; uint8_t component_tag; iso639lang_t language_code; /* uint8_t text[] */ } __ucsi_packed; /** * Process a dvb_component_descriptor. * * @param d Pointer to a generic descriptor. * @return dvb_component_descriptor pointer, or NULL on error. */ static inline struct dvb_component_descriptor* dvb_component_descriptor_codec(struct descriptor* d) { if (d->len < (sizeof(struct dvb_component_descriptor) - 2)) return NULL; return (struct dvb_component_descriptor*) d; } /** * Accessor for the text field of a dvb_component_descriptor. * * @param d dvb_component_descriptor pointer. * @return Pointer to the field. */ static inline uint8_t * dvb_component_descriptor_text(struct dvb_component_descriptor *d) { return (uint8_t *) d + sizeof(struct dvb_component_descriptor); } /** * Determine the length of the text field of a dvb_component_descriptor. * * @param d dvb_component_descriptor pointer. * @return Length of the field in bytes. */ static inline int dvb_component_descriptor_text_length(struct dvb_component_descriptor *d) { return d->d.len - 6; } #ifdef __cplusplus } #endif #endif lt]reinelt1-9/+62 2004-08-29[lcd4linux @ 2004-08-29 13:03:40 by reinelt]reinelt9-55/+709 2004-07-14[lcd4linux @ 2004-07-14 04:44:44 by reinelt]reinelt2-4/+19 2004-06-29[lcd4linux @ 2004-06-29 04:49:30 by reinelt]reinelt1-7/+47 2004-06-26[lcd4linux @ 2004-06-26 12:04:59 by reinelt]reinelt69-139/+413 2004-06-26[lcd4linux @ 2004-06-26 09:27:20 by reinelt]reinelt71-1842/+2274 2004-06-26[lcd4linux @ 2004-06-26 06:12:14 by reinelt]reinelt7-111/+562 2004-06-24[lcd4linux @ 2004-06-24 20:18:08 by nicowallmeier]nicowallmeier1-2/+5 2004-06-20[lcd4linux @ 2004-06-20 10:12:27 by reinelt]reinelt1-0/+110 2004-06-20[lcd4linux @ 2004-06-20 10:09:52 by reinelt]reinelt51-377/+569 2004-06-19[lcd4linux @ 2004-06-19 08:20:19 by reinelt]reinelt2-7/+17 2004-06-17[lcd4linux @ 2004-06-17 10:58:57 by reinelt]reinelt3-76/+84 2004-06-17[lcd4linux @ 2004-06-17 06:23:39 by reinelt]reinelt19-403/+633 2004-06-13[lcd4linux @ 2004-06-13 01:12:52 by reinelt]reinelt3-18/+34 2004-06-09[lcd4linux @ 2004-06-09 06:40:29 by reinelt]reinelt3-11/+35 2004-06-08[lcd4linux @ 2004-06-08 21:46:38 by reinelt]reinelt5-31/+131 2004-06-08[lcd4linux @ 2004-06-08 12:35:24 by reinelt]reinelt6-882/+474 2004-06-07[lcd4linux @ 2004-06-07 07:02:13 by reinelt]reinelt1-0/+33 2004-06-07[lcd4linux @ 2004-06-07 06:56:55 by reinelt]reinelt5-7/+149 2004-06-06[lcd4linux @ 2004-06-06 06:51:59 by reinelt]reinelt16-52/+135 2004-06-05[lcd4linux @ 2004-06-05 14:56:48 by reinelt]reinelt3-24/+37 2004-06-05[lcd4linux @ 2004-06-05 06:41:39 by reinelt]reinelt11-42/+87 2004-06-05[lcd4linux @ 2004-06-05 06:13:11 by reinelt]reinelt9-69/+327 2004-06-02[lcd4linux @ 2004-06-02 10:09:22 by reinelt]reinelt4-180/+183 2004-06-02[lcd4linux @ 2004-06-02 09:41:19 by reinelt]reinelt18-114/+211 2004-06-02[lcd4linux @ 2004-06-02 05:56:25 by reinelt]reinelt1-2/+6 2004-06-02[lcd4linux @ 2004-06-02 05:35:55 by reinelt]reinelt1-0/+20 2004-06-02[lcd4linux @ 2004-06-02 05:27:59 by reinelt]reinelt26-0/+2405 2004-06-02[lcd4linux @ 2004-06-02 05:14:16 by reinelt]reinelt2-17/+31 2004-06-01[lcd4linux @ 2004-06-01 06:45:28 by reinelt]reinelt18-71/+241 2004-06-01[lcd4linux @ 2004-06-01 06:04:25 by reinelt]reinelt2-25/+25 2004-05-31[lcd4linux @ 2004-05-31 21:23:16 by reinelt]reinelt1-37/+49 2004-05-31[lcd4linux @ 2004-05-31 21:05:13 by reinelt]reinelt5-77/+111 2004-05-31[lcd4linux @ 2004-05-31 16:39:05 by reinelt]reinelt11-180/+535 2004-05-31[lcd4linux @ 2004-05-31 06:27:34 by reinelt]reinelt1-0/+40 2004-05-31[lcd4linux @ 2004-05-31 06:24:42 by reinelt]reinelt2-7/+29 2004-05-31[lcd4linux @ 2004-05-31 05:38:02 by reinelt]reinelt8-42/+94 2004-05-31[lcd4linux @ 2004-05-31 01:31:01 by andy-b]andy-b1-10/+12 2004-05-30[lcd4linux @ 2004-05-30 08:25:50 by reinelt]reinelt2-30/+92 2004-05-29[lcd4linux @ 2004-05-29 23:30:20 by reinelt]reinelt1-1/+9 2004-05-29[lcd4linux @ 2004-05-29 15:53:28 by reinelt]reinelt3-9/+25 2004-05-29[lcd4linux @ 2004-05-29 01:07:56 by reinelt]reinelt2-21/+25 2004-05-29[lcd4linux @ 2004-05-29 00:27:14 by reinelt]reinelt8-11/+214 2004-05-28[lcd4linux @ 2004-05-28 14:38:10 by reinelt]reinelt2-1/+41