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authorThomas Martitz <kugel@rockbox.org>2012-01-06 06:26:48 +0100
committerThomas Martitz <kugel@rockbox.org>2012-01-22 18:46:45 +0100
commit3c17f28eca86ff3ee9e7cef6c4d5198c27b7c03c (patch)
tree672ee79463fc3c20c186f6d34ebd88cbe430c662 /firmware/pcm_mixer.c
parent991ae1e39553172a7dd6cd8c634aebfce892e261 (diff)
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Move pcm_mixer helper routines to firmware/asm.
Diffstat (limited to 'firmware/pcm_mixer.c')
-rw-r--r--firmware/pcm_mixer.c104
1 files changed, 2 insertions, 102 deletions
diff --git a/firmware/pcm_mixer.c b/firmware/pcm_mixer.c
index 25c41c2586..0038b0f5e7 100644
--- a/firmware/pcm_mixer.c
+++ b/firmware/pcm_mixer.c
@@ -70,108 +70,8 @@ static struct mixer_channel * active_channels[PCM_MIXER_NUM_CHANNELS+1] IBSS_ATT
#define MAX_IDLE_FRAMES (NATIVE_FREQUENCY*3 / MIX_FRAME_SAMPLES)
static unsigned int idle_counter = 0;
-#if (CONFIG_PLATFORM & PLATFORM_NATIVE)
-
-/* Include any implemented CPU-optimized mixdown routines */
-#if defined(CPU_ARM)
-#if ARM_ARCH >= 6
-#include "pcm-mixer-armv6.c"
-#elif ARM_ARCH >= 5
-#include "pcm-mixer-armv5.c"
-#else
-#include "pcm-mixer-armv4.c"
-#endif /* ARM_ARCH */
-#elif defined (CPU_COLDFIRE)
-#include "pcm-mixer-coldfire.c"
-#endif /* CPU_* */
-
-#endif /* CONFIG_PLATFORM */
-
-/** Generic mixing routines **/
-
-#ifndef MIXER_OPTIMIZED_MIX_SAMPLES
-#include "dsp-util.h" /* for clip_sample_16 */
-
-/* Mix channels' samples and apply gain factors */
-static FORCE_INLINE void mix_samples(uint32_t *out,
- int16_t *src0,
- int32_t src0_amp,
- int16_t *src1,
- int32_t src1_amp,
- size_t size)
-{
- if (src0_amp == MIX_AMP_UNITY && src1_amp == MIX_AMP_UNITY)
- {
- /* Both are unity amplitude */
- do
- {
- int32_t l = *src0++ + *src1++;
- int32_t h = *src0++ + *src1++;
- *out++ = (uint16_t)clip_sample_16(l) | (clip_sample_16(h) << 16);
- }
- while ((size -= 4) > 0);
- }
- else if (src0_amp != MIX_AMP_UNITY && src1_amp != MIX_AMP_UNITY)
- {
- /* Neither are unity amplitude */
- do
- {
- int32_t l = (*src0++ * src0_amp >> 16) + (*src1++ * src1_amp >> 16);
- int32_t h = (*src0++ * src0_amp >> 16) + (*src1++ * src1_amp >> 16);
- *out++ = (uint16_t)clip_sample_16(l) | (clip_sample_16(h) << 16);
- }
- while ((size -= 4) > 0);
- }
- else
- {
- /* One is unity amplitude */
- if (src0_amp != MIX_AMP_UNITY)
- {
- /* Keep unity in src0, amp0 */
- int16_t *src_tmp = src0;
- src0 = src1;
- src1 = src_tmp;
- src1_amp = src0_amp;
- src0_amp = MIX_AMP_UNITY;
- }
-
- do
- {
- int32_t l = *src0++ + (*src1++ * src1_amp >> 16);
- int32_t h = *src0++ + (*src1++ * src1_amp >> 16);
- *out++ = (uint16_t)clip_sample_16(l) | (clip_sample_16(h) << 16);
- }
- while ((size -= 4) > 0);
- }
-}
-#endif /* MIXER_OPTIMIZED_MIX_SAMPLES */
-
-#ifndef MIXER_OPTIMIZED_WRITE_SAMPLES
-/* Write channel's samples and apply gain factor */
-static FORCE_INLINE void write_samples(uint32_t *out,
- int16_t *src,
- int32_t amp,
- size_t size)
-{
- if (LIKELY(amp == MIX_AMP_UNITY))
- {
- /* Channel is unity amplitude */
- memcpy(out, src, size);
- }
- else
- {
- /* Channel needs amplitude cut */
- do
- {
- int32_t l = *src++ * amp >> 16;
- int32_t h = *src++ * amp & 0xffff0000;
- *out++ = (uint16_t)l | h;
- }
- while ((size -= 4) > 0);
- }
-}
-#endif /* MIXER_OPTIMIZED_WRITE_SAMPLES */
-
+/** Mixing routines, CPU optmized **/
+#include "asm/pcm-mixer.c"
/** Private generic routines **/