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wav_util: handle write after close gracefully

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This commit is contained in:
Matthias Ringwald 2022-03-09 19:12:15 +01:00
parent d65b03f501
commit d3c765a367
1 changed files with 9 additions and 3 deletions
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12
platform/posix/wav_util.c
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@ -146,7 +146,9 @@ int wav_writer_close(void){
}
int wav_writer_write_int8(int num_samples, int8_t * data){
if (data == NULL) return 1;
btstack_assert(data != NULL);
if (wav_writer_state.wav_file == NULL) return 1;
int i = 0;
int8_t zero_byte = 0;
for (i=0; i<num_samples; i++){
@ -161,7 +163,9 @@ int wav_writer_write_int8(int num_samples, int8_t * data){
}
int wav_writer_write_le_int16(int num_samples, int16_t * data){
if (data == NULL) return 1;
btstack_assert(data != NULL);
if (wav_writer_state.wav_file == NULL) return 1;
fwrite(data, num_samples, 2, wav_writer_state.wav_file);
wav_writer_state.total_num_samples+=num_samples;
@ -170,10 +174,12 @@ int wav_writer_write_le_int16(int num_samples, int16_t * data){
}
int wav_writer_write_int16(int num_samples, int16_t * data){
btstack_assert(data != NULL);
if (wav_writer_state.wav_file == NULL) return 1;
if (btstack_is_little_endian()){
return wav_writer_write_le_int16(num_samples, data);
}
if (data == NULL) return 1;
int i;
for (i=0;i<num_samples;i++){