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pcm_{channels,format}: add alignment assertions

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This commit is contained in:
Max Kellermann 2011-10-19 21:56:41 +02:00
parent 0debe9bd6f
commit c4c44c4445
2 changed files with 12 additions and 0 deletions
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6
src/pcm_channels.c
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@ -75,6 +75,8 @@ pcm_convert_channels_16(struct pcm_buffer *buffer,
uint8_t src_channels, const int16_t *src,
size_t src_size, size_t *dest_size_r)
{
assert(src_size % (sizeof(*src) * src_channels) == 0);
unsigned num_frames = src_size / src_channels / sizeof(*src);
unsigned dest_size = num_frames * dest_channels * sizeof(*src);
int16_t *dest = pcm_buffer_get(buffer, dest_size);
@ -146,6 +148,8 @@ pcm_convert_channels_24(struct pcm_buffer *buffer,
uint8_t src_channels, const int32_t *src,
size_t src_size, size_t *dest_size_r)
{
assert(src_size % (sizeof(*src) * src_channels) == 0);
unsigned num_frames = src_size / src_channels / sizeof(*src);
unsigned dest_size = num_frames * dest_channels * sizeof(*src);
int32_t *dest = pcm_buffer_get(buffer, dest_size);
@ -212,6 +216,8 @@ pcm_convert_channels_32(struct pcm_buffer *buffer,
uint8_t src_channels, const int32_t *src,
size_t src_size, size_t *dest_size_r)
{
assert(src_size % (sizeof(*src) * src_channels) == 0);
unsigned num_frames = src_size / src_channels / sizeof(*src);
unsigned dest_size = num_frames * dest_channels * sizeof(*src);
int32_t *dest = pcm_buffer_get(buffer, dest_size);

6
src/pcm_format.c
View File

@ -62,6 +62,8 @@ pcm_convert_to_16(struct pcm_buffer *buffer, struct pcm_dither *dither,
enum sample_format src_format, const void *src,
size_t src_size, size_t *dest_size_r)
{
assert(src_size % sample_format_size(src_format) == 0);
const void *src_end = pcm_end_pointer(src, src_size);
unsigned num_samples;
int16_t *dest;
@ -157,6 +159,8 @@ pcm_convert_to_24(struct pcm_buffer *buffer,
enum sample_format src_format, const void *src,
size_t src_size, size_t *dest_size_r)
{
assert(src_size % sample_format_size(src_format) == 0);
unsigned num_samples;
int32_t *dest;
@ -240,6 +244,8 @@ pcm_convert_to_32(struct pcm_buffer *buffer,
enum sample_format src_format, const void *src,
size_t src_size, size_t *dest_size_r)
{
assert(src_size % sample_format_size(src_format) == 0);
unsigned num_samples;
int32_t *dest;