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pcm_utils: pass int16_t* where appropriate

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Pass int16_t pointers instead of char pointers to functions which can
deal with 16 bit audio only.
This commit is contained in:
Max Kellermann 2008-10-12 11:28:37 +02:00
parent 08210af23a
commit 0d3a6ff669
1 changed files with 15 additions and 12 deletions
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27
src/pcm_utils.c
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@ -245,8 +245,8 @@ out:
#ifdef HAVE_LIBSAMPLERATE
static size_t pcm_convertSampleRate(int8_t channels, uint32_t inSampleRate,
const char *inBuffer, size_t inSize,
uint32_t outSampleRate, char *outBuffer,
const int16_t *inBuffer, size_t inSize,
uint32_t outSampleRate, int16_t *outBuffer,
size_t outSize, ConvState *convState)
{
static int convalgo = -1;
@ -321,7 +321,7 @@ static size_t pcm_convertSampleRate(int8_t channels, uint32_t inSampleRate,
#else /* !HAVE_LIBSAMPLERATE */
/* resampling code blatantly ripped from ESD */
static size_t pcm_convertSampleRate(int8_t channels, uint32_t inSampleRate,
const char *inBuffer,
const int16_t *inBuffer,
mpd_unused size_t inSize,
uint32_t outSampleRate, char *outBuffer,
size_t outSize,
@ -362,12 +362,13 @@ static size_t pcm_convertSampleRate(int8_t channels, uint32_t inSampleRate,
}
#endif /* !HAVE_LIBSAMPLERATE */
static char *pcm_convertChannels(int8_t channels, const char *inBuffer,
size_t inSize, size_t *outSize)
static const int16_t *
pcm_convertChannels(int8_t channels, const int16_t *inBuffer,
size_t inSize, size_t *outSize)
{
static char *buf;
static int16_t *buf;
static size_t len;
char *outBuffer = NULL;
int16_t *outBuffer = NULL;
const int16_t *in;
int16_t *out;
int inSamples, i;
@ -436,10 +437,11 @@ pcm_convert_24_to_16(int16_t *out, const int32_t *in,
}
}
static const char *pcm_convertTo16bit(uint8_t bits, const char *inBuffer,
size_t inSize, size_t *outSize)
static const int16_t *
pcm_convertTo16bit(uint8_t bits, const void *inBuffer,
size_t inSize, size_t *outSize)
{
static char *buf;
static int16_t *buf;
static size_t len;
unsigned num_samples;
@ -485,7 +487,7 @@ size_t pcm_convertAudioFormat(const struct audio_format *inFormat,
const struct audio_format *outFormat,
char *outBuffer, ConvState *convState)
{
const char *buf;
const int16_t *buf;
size_t len = 0;
size_t outSize = pcm_sizeOfConvBuffer(inFormat, inSize, outFormat);
@ -509,7 +511,8 @@ size_t pcm_convertAudioFormat(const struct audio_format *inFormat,
} else {
len = pcm_convertSampleRate(outFormat->channels,
inFormat->sample_rate, buf, len,
outFormat->sample_rate, outBuffer,
outFormat->sample_rate,
(int16_t*)outBuffer,
outSize, convState);
if (len == 0)
exit(EXIT_FAILURE);