1 /* 2 * Copyright © 2019 Intel Corporation 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 * 23 * Authors: Simon Ser <simon.ser@intel.com> 24 */ 25 26 #ifndef IGT_INFOFRAME_H 27 #define IGT_INFOFRAME_H 28 29 #include "config.h" 30 31 #include <stdbool.h> 32 #include <stddef.h> 33 #include <stdint.h> 34 35 enum infoframe_avi_rgb_ycbcr { 36 INFOFRAME_AVI_RGB = 0, 37 INFOFRAME_AVI_YCBCR422 = 1, 38 INFOFRAME_AVI_YCBCR444 = 2, 39 INFOFRAME_AVI_YCBCR420 = 3, 40 INFOFRAME_AVI_IDO_DEFINED = 7, 41 }; 42 43 enum infoframe_avi_scan { 44 INFOFRAME_AVI_SCAN_UNSPECIFIED = 0, 45 INFOFRAME_AVI_OVERSCAN = 1, 46 INFOFRAME_AVI_UNDERSCAN = 2, 47 }; 48 49 enum infoframe_avi_colorimetry { 50 INFOFRAME_AVI_COLORIMETRY_UNSPECIFIED = 0, 51 INFOFRAME_AVI_SMPTE_170M = 1, 52 INFOFRAME_AVI_ITUR_BT709 = 2, 53 INFOFRAME_AVI_COLORIMETRY_EXTENDED = 3, 54 }; 55 56 enum infoframe_avi_picture_aspect_ratio { 57 INFOFRAME_AVI_PIC_AR_UNSPECIFIED = 0, 58 INFOFRAME_AVI_PIC_AR_4_3 = 1, 59 INFOFRAME_AVI_PIC_AR_16_9 = 2, 60 }; 61 62 enum infoframe_avi_active_aspect_ratio { 63 INFOFRAME_AVI_ACT_AR_PIC = 8, /* same as picture aspect ratio */ 64 INFOFRAME_AVI_ACT_AR_4_3 = 9, 65 INFOFRAME_AVI_ACT_AR_16_9 = 10, 66 INFOFRAME_AVI_ACT_AR_14_9 = 11, 67 }; 68 69 #define INFOFRAME_AVI_VIC_UNSPECIFIED 0 70 71 struct infoframe_avi { 72 enum infoframe_avi_rgb_ycbcr rgb_ycbcr; 73 enum infoframe_avi_scan scan; 74 enum infoframe_avi_colorimetry colorimetry; 75 enum infoframe_avi_picture_aspect_ratio picture_aspect_ratio; 76 enum infoframe_avi_active_aspect_ratio active_aspect_ratio; 77 uint8_t vic; /* Video Identification Code */ 78 /* TODO: remaining fields */ 79 }; 80 81 enum infoframe_audio_coding_type { 82 INFOFRAME_AUDIO_CT_UNSPECIFIED = 0, /* refer to stream header */ 83 INFOFRAME_AUDIO_CT_PCM = 1, /* IEC 60958 PCM */ 84 INFOFRAME_AUDIO_CT_AC3 = 2, 85 INFOFRAME_AUDIO_CT_MPEG1 = 3, 86 INFOFRAME_AUDIO_CT_MP3 = 4, 87 INFOFRAME_AUDIO_CT_MPEG2 = 5, 88 INFOFRAME_AUDIO_CT_AAC = 6, 89 INFOFRAME_AUDIO_CT_DTS = 7, 90 INFOFRAME_AUDIO_CT_ATRAC = 8, 91 INFOFRAME_AUDIO_CT_ONE_BIT = 9, 92 INFOFRAME_AUDIO_CT_DOLBY = 10, /* Dolby Digital + */ 93 INFOFRAME_AUDIO_CT_DTS_HD = 11, 94 INFOFRAME_AUDIO_CT_MAT = 12, 95 INFOFRAME_AUDIO_CT_DST = 13, 96 INFOFRAME_AUDIO_CT_WMA_PRO = 14, 97 }; 98 99 struct infoframe_audio { 100 enum infoframe_audio_coding_type coding_type; 101 int channel_count; /* -1 if unspecified */ 102 int sampling_freq; /* in Hz, -1 if unspecified */ 103 int sample_size; /* in bits, -1 if unspecified */ 104 /* TODO: speaker allocation */ 105 }; 106 107 bool infoframe_avi_parse(struct infoframe_avi *infoframe, int version, 108 const uint8_t *buf, size_t buf_size); 109 bool infoframe_audio_parse(struct infoframe_audio *infoframe, int version, 110 const uint8_t *buf, size_t buf_size); 111 112 #endif 113