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avdtp_util: validate MPEG2_4 AAC configuration

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Milanka Ringwald 2025-02-18 16:01:19 +01:00
parent 799a39db82
commit 0bcc943e9f
1 changed files with 22 additions and 1 deletions
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23
src/classic/avdtp_util.c
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@ -1243,15 +1243,36 @@ avdtp_signaling_setup_media_codec_mpec_aac_config_event(uint8_t *event, uint16_t
if (count_set_bits_uint32(object_type_bitmap) != 1) {
return CODEC_SPECIFIC_ERROR_CODE_INVALID_OBJECT_TYPE;
}
if ( (object_type_bitmap & 0x40) && (drc != 0u)){
uint8_t * codec_capabilities = &stream_endpoint->sep.capabilities.media_codec.media_codec_information[0];
uint8_t object_type_capabilities_bitmap = codec_capabilities[0] >> 1;
if ( (object_type_capabilities_bitmap & object_type_bitmap) == 0u){
return CODEC_SPECIFIC_ERROR_CODE_NOT_SUPPORTED_OBJECT_TYPE;
}
if ((object_type_bitmap & 0x40) && (drc != 0u)){
return CODEC_SPECIFIC_ERROR_CODE_INVALID_DRC;
}
if (count_set_bits_uint32(sampling_frequency_bitmap) != 1){
return CODEC_SPECIFIC_ERROR_CODE_INVALID_SAMPLING_FREQUENCY;
}
uint16_t sampling_frequency_capabilities_bitmap = (codec_capabilities[1] << 4) | (codec_capabilities[2] >> 4);
if ((sampling_frequency_capabilities_bitmap & sampling_frequency_bitmap) == 0u){
return CODEC_SPECIFIC_ERROR_CODE_NOT_SUPPORTED_SAMPLING_FREQUENCY;
}
if (count_set_bits_uint32(channels_bitmap) != 1){
return CODEC_SPECIFIC_ERROR_CODE_INVALID_CHANNELS;
}
uint8_t channels_capabilities_bitmap = codec_capabilities[2] & 0x0F;
if ((channels_capabilities_bitmap & channels_bitmap) == 0u){
return CODEC_SPECIFIC_ERROR_CODE_NOT_SUPPORTED_CHANNELS;
}
uint8_t vbr_capability = codec_capabilities[3] >> 7;
if ( (vbr_capability == 0u) && (vbr != 0u)){
return CODEC_SPECIFIC_ERROR_CODE_NOT_SUPPORTED_VBR;
}
uint8_t object_type = 0;
if (object_type_bitmap & 0x01){