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| author | Max Kellermann <max@duempel.org> | 2011-10-09 12:48:17 +0200 |
|---|---|---|
| committer | Max Kellermann <max@duempel.org> | 2011-10-10 10:24:05 +0200 |
| commit | a47e9d1a4b5bd6b999eaec33624d7c96a29f24e6 (patch) | |
| tree | 99d1bfef2c1e739dfba50717c26ee19107e9a496 /src | |
| parent | e93dd374a46270d6cd873b7e2db557b346b1aac7 (diff) | |
| download | mpd-a47e9d1a4b5bd6b999eaec33624d7c96a29f24e6.tar.gz mpd-a47e9d1a4b5bd6b999eaec33624d7c96a29f24e6.tar.xz mpd-a47e9d1a4b5bd6b999eaec33624d7c96a29f24e6.zip | |
pcm_pack: pass an "end" pointer instead of a sample count
Diffstat (limited to '')
| -rw-r--r-- | src/pcm_convert.c | 3 | ||||
| -rw-r--r-- | src/pcm_format.c | 2 | ||||
| -rw-r--r-- | src/pcm_pack.c | 12 | ||||
| -rw-r--r-- | src/pcm_pack.h | 4 |
4 files changed, 11 insertions, 10 deletions
diff --git a/src/pcm_convert.c b/src/pcm_convert.c index 4dbeee41f..c145e437a 100644 --- a/src/pcm_convert.c +++ b/src/pcm_convert.c @@ -200,7 +200,8 @@ pcm_convert_24_packed(struct pcm_convert_state *state, size_t dest_size = num_samples * 3; uint8_t *dest = pcm_buffer_get(&state->pack_buffer, dest_size); - pcm_pack_24(dest, buffer, num_samples, dest_format->reverse_endian); + pcm_pack_24(dest, buffer, buffer + num_samples, + dest_format->reverse_endian); *dest_size_r = dest_size; return dest; diff --git a/src/pcm_format.c b/src/pcm_format.c index 544b0ccd9..21459f0f4 100644 --- a/src/pcm_format.c +++ b/src/pcm_format.c @@ -54,7 +54,7 @@ pcm_convert_24_to_24p32(struct pcm_buffer *buffer, const uint8_t *src, unsigned num_samples) { int32_t *dest = pcm_buffer_get(buffer, num_samples * 4); - pcm_unpack_24(dest, src, num_samples, false); + pcm_unpack_24(dest, src, src + num_samples * 3, false); return dest; } diff --git a/src/pcm_pack.c b/src/pcm_pack.c index 680d2a32f..94fda5910 100644 --- a/src/pcm_pack.c +++ b/src/pcm_pack.c @@ -35,19 +35,19 @@ pack_sample(uint8_t *dest, const int32_t *src0, bool reverse_endian) } void -pcm_pack_24(uint8_t *dest, const int32_t *src, unsigned num_samples, +pcm_pack_24(uint8_t *dest, const int32_t *src, const int32_t *src_end, bool reverse_endian) { /* duplicate loop to help the compiler's optimizer (constant parameter to the pack_sample() inline function) */ if (G_LIKELY(!reverse_endian)) { - while (num_samples-- > 0) { + while (src < src_end) { pack_sample(dest, src++, false); dest += 3; } } else { - while (num_samples-- > 0) { + while (src < src_end) { pack_sample(dest, src++, true); dest += 3; } @@ -73,19 +73,19 @@ unpack_sample(int32_t *dest0, const uint8_t *src, bool reverse_endian) } void -pcm_unpack_24(int32_t *dest, const uint8_t *src, unsigned num_samples, +pcm_unpack_24(int32_t *dest, const uint8_t *src, const uint8_t *src_end, bool reverse_endian) { /* duplicate loop to help the compiler's optimizer (constant parameter to the unpack_sample() inline function) */ if (G_LIKELY(!reverse_endian)) { - while (num_samples-- > 0) { + while (src < src_end) { unpack_sample(dest++, src, false); src += 3; } } else { - while (num_samples-- > 0) { + while (src < src_end) { unpack_sample(dest++, src, true); src += 3; } diff --git a/src/pcm_pack.h b/src/pcm_pack.h index 0055e91df..6f275608c 100644 --- a/src/pcm_pack.h +++ b/src/pcm_pack.h @@ -40,7 +40,7 @@ * @param reverse_endian is src and dest in non-host byte order? */ void -pcm_pack_24(uint8_t *dest, const int32_t *src, unsigned num_samples, +pcm_pack_24(uint8_t *dest, const int32_t *src, const int32_t *src_end, bool reverse_endian); /** @@ -53,7 +53,7 @@ pcm_pack_24(uint8_t *dest, const int32_t *src, unsigned num_samples, * @param reverse_endian is src and dest in non-host byte order? */ void -pcm_unpack_24(int32_t *dest, const uint8_t *src, unsigned num_samples, +pcm_unpack_24(int32_t *dest, const uint8_t *src, const uint8_t *src_end, bool reverse_endian); #endif |