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authorTrond Myklebust <Trond.Myklebust@netapp.com>2006-03-23 23:44:19 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-03-23 23:44:19 -0500
commit1ebbe2b20091d306453a5cf480a87e6cd28ae76f (patch)
treef5cd7a0fa69b8b1938cb5a0faed2e7b0628072a5 /sound/core/oss/mulaw.c
parentac58c9059da8886b5e8cde012a80266b18ca146e (diff)
parent674a396c6d2ba0341ebdd7c1c9950f32f018e2dd (diff)
Merge branch 'linus'
Diffstat (limited to 'sound/core/oss/mulaw.c')
-rw-r--r--sound/core/oss/mulaw.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/sound/core/oss/mulaw.c b/sound/core/oss/mulaw.c
index 14f5578ec7a7..2eb18807e6d0 100644
--- a/sound/core/oss/mulaw.c
+++ b/sound/core/oss/mulaw.c
@@ -22,6 +22,9 @@
22 */ 22 */
23 23
24#include <sound/driver.h> 24#include <sound/driver.h>
25
26#ifdef CONFIG_SND_PCM_OSS_PLUGINS
27
25#include <linux/time.h> 28#include <linux/time.h>
26#include <sound/core.h> 29#include <sound/core.h>
27#include <sound/pcm.h> 30#include <sound/pcm.h>
@@ -262,6 +265,25 @@ static snd_pcm_sframes_t mulaw_transfer(struct snd_pcm_plugin *plugin,
262 return frames; 265 return frames;
263} 266}
264 267
268static int getput_index(int format)
269{
270 int sign, width, endian;
271 sign = !snd_pcm_format_signed(format);
272 width = snd_pcm_format_width(format) / 8 - 1;
273 if (width < 0 || width > 3) {
274 snd_printk(KERN_ERR "snd-pcm-oss: invalid format %d\n", format);
275 width = 0;
276 }
277#ifdef SNDRV_LITTLE_ENDIAN
278 endian = snd_pcm_format_big_endian(format);
279#else
280 endian = snd_pcm_format_little_endian(format);
281#endif
282 if (endian < 0)
283 endian = 0;
284 return width * 4 + endian * 2 + sign;
285}
286
265int snd_pcm_plugin_build_mulaw(struct snd_pcm_substream *plug, 287int snd_pcm_plugin_build_mulaw(struct snd_pcm_substream *plug,
266 struct snd_pcm_plugin_format *src_format, 288 struct snd_pcm_plugin_format *src_format,
267 struct snd_pcm_plugin_format *dst_format, 289 struct snd_pcm_plugin_format *dst_format,
@@ -306,3 +328,5 @@ int snd_pcm_plugin_build_mulaw(struct snd_pcm_substream *plug,
306 *r_plugin = plugin; 328 *r_plugin = plugin;
307 return 0; 329 return 0;
308} 330}
331
332#endif