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authorMax Kellermann <max@duempel.org>2009-11-10 17:11:34 +0100
committerMax Kellermann <max@duempel.org>2009-12-02 22:29:50 +0100
commitc412d6251e9cd3abe735b7622af4003502e54f72 (patch)
tree7344c13f62e4cc788c830c05d21bb7b5b47f5866 /src/encoder/wave_encoder.c
parent68c2cfbb4067b2292e1ff1d4e7716ff370903f84 (diff)
downloadmpd-c412d6251e9cd3abe735b7622af4003502e54f72.tar.gz
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audio_format: changed "bits" to "enum sample_format"
This patch prepares support for floating point samples (and probably other formats). It changes the meaning of the "bits" attribute from a bit count to a symbolic value.
Diffstat (limited to 'src/encoder/wave_encoder.c')
-rw-r--r--src/encoder/wave_encoder.c29
1 files changed, 26 insertions, 3 deletions
diff --git a/src/encoder/wave_encoder.c b/src/encoder/wave_encoder.c
index e66cc1917..f34ae0241 100644
--- a/src/encoder/wave_encoder.c
+++ b/src/encoder/wave_encoder.c
@@ -114,16 +114,39 @@ wave_encoder_open(struct encoder *_encoder,
struct wave_encoder *encoder = (struct wave_encoder *)_encoder;
void *buffer;
- encoder->bits = audio_format->bits;
+ 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,
- audio_format->bits,
+ encoder->bits,
audio_format->sample_rate,
- (audio_format->bits / 8) * audio_format->channels );
+ (encoder->bits / 8) * audio_format->channels );
encoder->buffer_length = sizeof(struct wave_header);
return true;