| 58 | } |
| 59 | |
| 60 | static int aac_decoder_config(IAMFCodecConfig *codec_config, |
| 61 | AVIOContext *pb, int len, void *logctx) |
| 62 | { |
| 63 | MPEG4AudioConfig cfg = { 0 }; |
| 64 | int object_type_id, codec_id, stream_type; |
| 65 | int ret, tag, left; |
| 66 | |
| 67 | if (codec_config->audio_roll_distance >= 0) |
| 68 | return AVERROR_INVALIDDATA; |
| 69 | |
| 70 | ff_mp4_read_descr(logctx, pb, &tag); |
| 71 | if (tag != MP4DecConfigDescrTag) |
| 72 | return AVERROR_INVALIDDATA; |
| 73 | |
| 74 | object_type_id = avio_r8(pb); |
| 75 | if (object_type_id != 0x40) |
| 76 | return AVERROR_INVALIDDATA; |
| 77 | |
| 78 | stream_type = avio_r8(pb); |
| 79 | if (((stream_type >> 2) != 5) || ((stream_type >> 1) & 1)) |
| 80 | return AVERROR_INVALIDDATA; |
| 81 | |
| 82 | avio_skip(pb, 3); // buffer size db |
| 83 | avio_skip(pb, 4); // rc_max_rate |
| 84 | avio_skip(pb, 4); // avg bitrate |
| 85 | |
| 86 | codec_id = ff_codec_get_id(ff_mp4_obj_type, object_type_id); |
| 87 | if (codec_id && codec_id != codec_config->codec_id) |
| 88 | return AVERROR_INVALIDDATA; |
| 89 | |
| 90 | left = ff_mp4_read_descr(logctx, pb, &tag); |
| 91 | if (tag != MP4DecSpecificDescrTag || |
| 92 | !left || left > (len - avio_tell(pb))) |
| 93 | return AVERROR_INVALIDDATA; |
| 94 | |
| 95 | // We pad extradata here because avpriv_mpeg4audio_get_config2() needs it. |
| 96 | codec_config->extradata = av_malloc((size_t)left + AV_INPUT_BUFFER_PADDING_SIZE); |
| 97 | if (!codec_config->extradata) |
| 98 | return AVERROR(ENOMEM); |
| 99 | |
| 100 | ret = ffio_read_size(pb, codec_config->extradata, left); |
| 101 | if (ret < 0) |
| 102 | return ret; |
| 103 | codec_config->extradata_size = left; |
| 104 | memset(codec_config->extradata + codec_config->extradata_size, 0, |
| 105 | AV_INPUT_BUFFER_PADDING_SIZE); |
| 106 | |
| 107 | ret = avpriv_mpeg4audio_get_config2(&cfg, codec_config->extradata, |
| 108 | codec_config->extradata_size, 1, logctx); |
| 109 | if (ret < 0) |
| 110 | return ret; |
| 111 | |
| 112 | codec_config->sample_rate = cfg.sample_rate; |
| 113 | |
| 114 | return 0; |
| 115 | } |
| 116 | |
| 117 | static int flac_decoder_config(IAMFCodecConfig *codec_config, |
no test coverage detected