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avdtp_util: fix AAC channel bitmap

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Milanka Ringwald 2024-11-21 13:30:17 +01:00 committed by Matthias Ringwald
parent e787eab08f
commit 0737c3bfb7
1 changed files with 9 additions and 3 deletions
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12
src/classic/avdtp_util.c
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@ -1495,19 +1495,25 @@ void avdtp_config_mpeg_aac_set_sampling_frequency(uint8_t * config, uint16_t sam
} }
void avdtp_config_mpeg_aac_store(uint8_t * config, const avdtp_configuration_mpeg_aac_t * configuration) { void avdtp_config_mpeg_aac_store(uint8_t * config, const avdtp_configuration_mpeg_aac_t * configuration) {
config[0] = 1 << (7 -(configuration->object_type - AVDTP_AAC_MPEG2_LC)); config[0] = (1 << (7 -(configuration->object_type - AVDTP_AAC_MPEG2_LC))) | (configuration->drc?1u:0u);
uint8_t channels_bitmap = 0; uint8_t channels_bitmap = 0;
switch (configuration->channels){ switch (configuration->channels){
case 1: case 1:
channels_bitmap = 0x02; channels_bitmap = 0x08;
break; break;
case 2: case 2:
channels_bitmap = 0x04;
break;
case 6:
channels_bitmap = 0x02;
break;
case 8:
channels_bitmap = 0x01; channels_bitmap = 0x01;
break; break;
default: default:
break; break;
} }
config[2] = channels_bitmap << 2; config[2] = channels_bitmap;
config[3] = ((configuration->vbr & 0x01) << 7) | ((configuration->bit_rate >> 16) & 0x7f); config[3] = ((configuration->vbr & 0x01) << 7) | ((configuration->bit_rate >> 16) & 0x7f);
config[4] = (configuration->bit_rate >> 8) & 0xff; config[4] = (configuration->bit_rate >> 8) & 0xff;
config[5] = configuration->bit_rate & 0xff; config[5] = configuration->bit_rate & 0xff;