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Remove pointless IRAM allocation from voice DSP.

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It's always used in MONO mode and doesn't need the IRAM sample/
resample buffers and 1280 bytes can be freed.

M5 can now have its PCM mixer downmix buffer in IRAM.

Change-Id: I0af08be5b212b7dfe382bba588a6585eb328a038
This commit is contained in:
Michael Sevakis 2012-05-04 22:00:44 -04:00
parent dbe5e5f2df
commit 88aeef9127
4 changed files with 67 additions and 14 deletions
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4
lib/rbcodec/dsp/dsp_sample_io.h
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@ -28,8 +28,6 @@
#define WORD_FRACBITS 27
#define NATIVE_DEPTH 16
#define SAMPLE_BUF_COUNT 128 /* Per channel, per DSP */
struct sample_io_data;
/* DSP initial buffer input function call prototype */
@ -50,7 +48,7 @@ struct sample_io_data
int stereo_mode; /* Codec-specified input format */
sample_input_fn_type input_samples[2]; /* input functions */
struct dsp_buffer sample_buf; /* Buffer descriptor for converted samples */
int32_t sample_buf_arr[2][SAMPLE_BUF_COUNT]; /* Internal format */
int32_t *sample_buf_arr[2]; /* Internal format buffer pointers */
sample_output_fn_type output_samples[2]; /* Final output functions */
};