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btstack_sbc_decoder_bluedroid: extract btstack_sbc_decoder_drop_processed_bytes

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This commit is contained in:
Matthias Ringwald 2021-09-21 10:03:03 +02:00
parent c61814e802
commit b5d6d34ae1
1 changed files with 10 additions and 8 deletions
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18
src/classic/btstack_sbc_decoder_bluedroid.c
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@ -368,6 +368,11 @@ static void btstack_sbc_decoder_insert_missing_frames(btstack_sbc_decoder_state_
}
}
static void btstack_sbc_decoder_drop_processed_bytes(bludroid_decoder_state_t * decoder_state, uint16_t bytes_processed){
memmove(decoder_state->frame_buffer, decoder_state->frame_buffer + bytes_processed, decoder_state->bytes_in_frame_buffer-bytes_processed);
decoder_state->bytes_in_frame_buffer -= bytes_processed;
}
static void btstack_sbc_decoder_process_msbc_data(btstack_sbc_decoder_state_t * state, int packet_status_flag, uint8_t * buffer, int size){
bludroid_decoder_state_t * decoder_state = (bludroid_decoder_state_t*)state->decoder_state;
int input_bytes_to_process = size;
@ -401,8 +406,7 @@ static void btstack_sbc_decoder_process_msbc_data(btstack_sbc_decoder_state_t *
if (h2_sync_pos < 0){
// no sync found, discard all but last 2 bytes
bytes_processed = decoder_state->bytes_in_frame_buffer - 2;
memmove(decoder_state->frame_buffer, decoder_state->frame_buffer + bytes_processed, 2);
decoder_state->bytes_in_frame_buffer -= bytes_processed; // == 2
btstack_sbc_decoder_drop_processed_bytes(decoder_state, bytes_processed);
// don't try PLC without at least a single good frame
if (decoder_state->first_good_frame_found){
decoder_state->msbc_bad_bytes += bytes_processed;
@ -446,11 +450,10 @@ static void btstack_sbc_decoder_process_msbc_data(btstack_sbc_decoder_state_t *
printf("%d : BAD FRAME\n", decoder_state->h2_sequence_nr);
}
#endif
// retry after dropoing 3 byte sync
// retry after dropping 3 byte sync
bytes_processed = 3;
memmove(decoder_state->frame_buffer, decoder_state->frame_buffer + bytes_processed, decoder_state->bytes_in_frame_buffer-bytes_processed);
decoder_state->bytes_in_frame_buffer -= bytes_processed;
decoder_state->msbc_bad_bytes += bytes_processed;
btstack_sbc_decoder_drop_processed_bytes(decoder_state, bytes_processed);
decoder_state->msbc_bad_bytes += bytes_processed;
// log_info("Trace bad frame");
continue;
}
@ -519,8 +522,7 @@ static void btstack_sbc_decoder_process_msbc_data(btstack_sbc_decoder_state_t *
decoder_state->msbc_bad_bytes += bytes_processed;
// drop processed bytes from frame buffer
memmove(decoder_state->frame_buffer, decoder_state->frame_buffer + bytes_processed, decoder_state->bytes_in_frame_buffer-bytes_processed);
decoder_state->bytes_in_frame_buffer -= bytes_processed;
btstack_sbc_decoder_drop_processed_bytes(decoder_state, bytes_processed);
}
}