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audio_format: support packed 24 bit samples

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This commit is contained in:
Max Kellermann
2010-01-15 09:23:36 +01:00
parent da47afe7d1
commit 1abfcc56af
12 changed files with 278 additions and 1 deletions
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9
src/audio_format.h
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@@ -29,6 +29,11 @@ enum sample_format {
SAMPLE_FORMAT_S8,
SAMPLE_FORMAT_S16,
/**
* Signed 24 bit integer samples, without padding.
*/
SAMPLE_FORMAT_S24,
/**
* Signed 24 bit integer samples, packed in 32 bit integers
* (the most significant byte is filled with the sign bit).
@@ -156,6 +161,7 @@ audio_valid_sample_format(enum sample_format format)
switch (format) {
case SAMPLE_FORMAT_S8:
case SAMPLE_FORMAT_S16:
case SAMPLE_FORMAT_S24:
case SAMPLE_FORMAT_S24_P32:
case SAMPLE_FORMAT_S32:
return true;
@@ -235,6 +241,9 @@ static inline unsigned audio_format_sample_size(const struct audio_format *af)
case SAMPLE_FORMAT_S16:
return 2;
case SAMPLE_FORMAT_S24:
return 3;
case SAMPLE_FORMAT_S24_P32:
case SAMPLE_FORMAT_S32:
return 4;