diff options
Diffstat (limited to 'sound/core/oss/mulaw.c')
| -rw-r--r-- | sound/core/oss/mulaw.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/sound/core/oss/mulaw.c b/sound/core/oss/mulaw.c index 14f5578ec7a..2eb18807e6d 100644 --- a/sound/core/oss/mulaw.c +++ b/sound/core/oss/mulaw.c @@ -22,6 +22,9 @@ */ #include <sound/driver.h> + +#ifdef CONFIG_SND_PCM_OSS_PLUGINS + #include <linux/time.h> #include <sound/core.h> #include <sound/pcm.h> @@ -262,6 +265,25 @@ static snd_pcm_sframes_t mulaw_transfer(struct snd_pcm_plugin *plugin, return frames; } +static int getput_index(int format) +{ + int sign, width, endian; + sign = !snd_pcm_format_signed(format); + width = snd_pcm_format_width(format) / 8 - 1; + if (width < 0 || width > 3) { + snd_printk(KERN_ERR "snd-pcm-oss: invalid format %d\n", format); + width = 0; + } +#ifdef SNDRV_LITTLE_ENDIAN + endian = snd_pcm_format_big_endian(format); +#else + endian = snd_pcm_format_little_endian(format); +#endif + if (endian < 0) + endian = 0; + return width * 4 + endian * 2 + sign; +} + int snd_pcm_plugin_build_mulaw(struct snd_pcm_substream *plug, struct snd_pcm_plugin_format *src_format, struct snd_pcm_plugin_format *dst_format, @@ -306,3 +328,5 @@ int snd_pcm_plugin_build_mulaw(struct snd_pcm_substream *plug, *r_plugin = plugin; return 0; } + +#endif |