static bool
wave_encoder_open(struct encoder *_encoder,
G_GNUC_UNUSED struct audio_format *audio_format,
G_GNUC_UNUSED GError **error)
{
struct wave_encoder *encoder = (struct wave_encoder *)_encoder;
assert(audio_format_valid(audio_format));
switch (audio_format->format) {
case SAMPLE_FORMAT_S8:
encoder->bits = 8;
break;
case SAMPLE_FORMAT_S16:
encoder->bits = 16;
break;
case SAMPLE_FORMAT_S24:
audio_format->format = SAMPLE_FORMAT_S24_P32;
encoder->bits = 24;
break;
case SAMPLE_FORMAT_S24_P32:
encoder->bits = 24;
break;
case SAMPLE_FORMAT_S32:
encoder->bits = 32;
break;
default:
audio_format->format = SAMPLE_FORMAT_S16;
encoder->bits = 16;
break;
}
encoder->buffer = growing_fifo_new();
struct wave_header *header =
growing_fifo_write(&encoder->buffer, sizeof(*header));
/* create PCM wave header in initial buffer */
fill_wave_header(header,
audio_format->channels,
encoder->bits,
audio_format->sample_rate,
(encoder->bits / 8) * audio_format->channels );
fifo_buffer_append(encoder->buffer, sizeof(*header));
return true;
}
static bool
wave_encoder_open(struct encoder *_encoder,
G_GNUC_UNUSED struct audio_format *audio_format,
G_GNUC_UNUSED GError **error)
{
struct wave_encoder *encoder = (struct wave_encoder *)_encoder;
void *buffer;
assert(audio_format_valid(audio_format));
switch (audio_format->format) {
case SAMPLE_FORMAT_S8:
encoder->bits = 8;
break;
case SAMPLE_FORMAT_S16:
encoder->bits = 16;
break;
case SAMPLE_FORMAT_S24_P32:
encoder->bits = 24;
break;
case SAMPLE_FORMAT_S32:
encoder->bits = 32;
break;
default:
audio_format->format = SAMPLE_FORMAT_S16;
encoder->bits = 16;
break;
}
buffer = pcm_buffer_get(&encoder->buffer, sizeof(struct wave_header) );
/* create PCM wave header in initial buffer */
fill_wave_header((struct wave_header *) buffer,
audio_format->channels,
encoder->bits,
audio_format->sample_rate,
(encoder->bits / 8) * audio_format->channels );
encoder->buffer_length = sizeof(struct wave_header);
return true;
}
