forked from len0rd/rockbox
rbcodec dsp: Move dsp_sample_io_configure() to its own file
Makes dsp_sample_input.c a bit less messy, and dependencies are more explicit. There's possibly a minor loss of inlining but it isn't a big deal. Change-Id: I30f923a0ca758f2b113d32852d1f65586dff0cd1
This commit is contained in:
Aidan MacDonald
parent
646d5f92ef
commit
b96b7640de
5 changed files with 129 additions and 103 deletions
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@ -11,6 +11,7 @@ dsp/afr.c
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dsp/surround.c
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dsp/dsp_filter.c
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dsp/dsp_misc.c
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dsp/dsp_sample_io.c
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dsp/dsp_sample_input.c
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dsp/dsp_sample_output.c
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dsp/eq.c
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@ -49,11 +49,6 @@
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* behave.
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*/
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extern void dsp_sample_output_init(struct sample_io_data *this);
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extern void dsp_sample_output_flush(struct sample_io_data *this);
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extern void dsp_sample_output_format_change(struct sample_io_data *this,
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struct sample_format *format);
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#define SAMPLE_BUF_COUNT 128 /* Per channel, per DSP */
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/* CODEC_IDX_AUDIO = left and right, CODEC_IDX_VOICE = mono */
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static int32_t sample_bufs[3][SAMPLE_BUF_COUNT] IBSS_ATTR;
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@ -241,23 +236,13 @@ void dsp_sample_input_format_change(struct sample_io_data *this,
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[this->sample_depth > NATIVE_DEPTH ? 1 : 0];
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}
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/* increment the format version counter */
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static void format_change_set(struct sample_io_data *this)
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{
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if (this->format_dirty)
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return;
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this->format.version = (uint8_t)(this->format.version + 1) ?: 1;
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this->format_dirty = 1;
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}
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/* discard the sample buffer */
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static void dsp_sample_input_flush(struct sample_io_data *this)
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void dsp_sample_input_flush(struct sample_io_data *this)
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{
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this->sample_buf.remcount = 0;
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}
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static void dsp_sample_input_init(struct sample_io_data *this,
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void dsp_sample_input_init(struct sample_io_data *this,
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enum dsp_ids dsp_id)
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{
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int32_t *lbuf, *rbuf;
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@ -282,88 +267,3 @@ static void dsp_sample_input_init(struct sample_io_data *this,
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this->sample_buf_p[0] = lbuf;
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this->sample_buf_p[1] = rbuf;
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}
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static void dsp_sample_io_init(struct sample_io_data *this,
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enum dsp_ids dsp_id)
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{
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this->output_sampr = DSP_OUT_DEFAULT_HZ;
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dsp_sample_input_init(this, dsp_id);
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dsp_sample_output_init(this);
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}
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bool dsp_sample_io_configure(struct sample_io_data *this,
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unsigned int setting,
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intptr_t *value_p)
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{
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intptr_t value = *value_p;
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switch (setting)
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{
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case DSP_INIT:
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dsp_sample_io_init(this, (enum dsp_ids)value);
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break;
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case DSP_RESET:
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/* Reset all sample descriptions to default */
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format_change_set(this);
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this->format.num_channels = 2;
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this->format.frac_bits = WORD_FRACBITS;
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this->format.output_scale = WORD_FRACBITS + 1 - NATIVE_DEPTH;
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this->format.frequency = this->output_sampr;
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this->format.codec_frequency = this->output_sampr;
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this->sample_depth = NATIVE_DEPTH;
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this->stereo_mode = STEREO_NONINTERLEAVED;
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break;
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case DSP_SET_FREQUENCY:
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format_change_set(this);
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value = value > 0 ? (unsigned int)value : this->output_sampr;
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this->format.frequency = value;
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this->format.codec_frequency = value;
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break;
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case DSP_SET_SAMPLE_DEPTH:
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format_change_set(this);
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this->format.frac_bits =
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value <= NATIVE_DEPTH ? WORD_FRACBITS : value;
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this->format.output_scale =
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this->format.frac_bits + 1 - NATIVE_DEPTH;
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this->sample_depth = value;
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break;
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case DSP_SET_STEREO_MODE:
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format_change_set(this);
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this->format.num_channels = value == STEREO_MONO ? 1 : 2;
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this->stereo_mode = value;
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break;
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case DSP_FLUSH:
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dsp_sample_input_flush(this);
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dsp_sample_output_flush(this);
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break;
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case DSP_SET_PITCH:
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format_change_set(this);
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value = value > 0 ? value : (1 << 16);
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this->format.frequency =
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fp_mul(value, this->format.codec_frequency, 16);
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break;
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case DSP_SET_OUT_FREQUENCY:
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value = value > 0 ? value : DSP_OUT_DEFAULT_HZ;
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value = MIN(DSP_OUT_MAX_HZ, MAX(DSP_OUT_MIN_HZ, value));
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*value_p = value;
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if ((unsigned int)value == this->output_sampr)
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return true; /* No change; don't broadcast */
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this->output_sampr = value;
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break;
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case DSP_GET_OUT_FREQUENCY:
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*value_p = this->output_sampr;
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return true; /* Only I/O handles it */
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}
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return false;
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}
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116
lib/rbcodec/dsp/dsp_sample_io.c
Normal file
116
lib/rbcodec/dsp/dsp_sample_io.c
Normal file
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@ -0,0 +1,116 @@
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2005 Miika Pekkarinen
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* Copyright (C) 2012 Michael Sevakis
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "rbcodecconfig.h"
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#include "platform.h"
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#include "dsp_core.h"
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#include "dsp_sample_io.h"
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#include "dsp_proc_entry.h"
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#include "fixedpoint.h"
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/* increment the format version counter */
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static void format_change_set(struct sample_io_data *this)
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{
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if (this->format_dirty)
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return;
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this->format.version = (uint8_t)(this->format.version + 1) ?: 1;
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this->format_dirty = 1;
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}
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bool dsp_sample_io_configure(struct sample_io_data *this,
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unsigned int setting,
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intptr_t *value_p)
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{
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intptr_t value = *value_p;
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switch (setting)
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{
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case DSP_INIT:
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this->output_sampr = DSP_OUT_DEFAULT_HZ;
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dsp_sample_input_init(this, (enum dsp_ids)value);
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dsp_sample_output_init(this);
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break;
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case DSP_RESET:
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/* Reset all sample descriptions to default */
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format_change_set(this);
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this->format.num_channels = 2;
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this->format.frac_bits = WORD_FRACBITS;
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this->format.output_scale = WORD_FRACBITS + 1 - NATIVE_DEPTH;
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this->format.frequency = this->output_sampr;
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this->format.codec_frequency = this->output_sampr;
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this->sample_depth = NATIVE_DEPTH;
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this->stereo_mode = STEREO_NONINTERLEAVED;
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break;
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case DSP_SET_FREQUENCY:
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format_change_set(this);
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value = value > 0 ? (unsigned int)value : this->output_sampr;
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this->format.frequency = value;
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this->format.codec_frequency = value;
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break;
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case DSP_SET_SAMPLE_DEPTH:
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format_change_set(this);
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this->format.frac_bits =
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value <= NATIVE_DEPTH ? WORD_FRACBITS : value;
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this->format.output_scale =
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this->format.frac_bits + 1 - NATIVE_DEPTH;
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this->sample_depth = value;
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break;
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case DSP_SET_STEREO_MODE:
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format_change_set(this);
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this->format.num_channels = value == STEREO_MONO ? 1 : 2;
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this->stereo_mode = value;
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break;
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case DSP_FLUSH:
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dsp_sample_input_flush(this);
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dsp_sample_output_flush(this);
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break;
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case DSP_SET_PITCH:
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format_change_set(this);
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value = value > 0 ? value : (1 << 16);
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this->format.frequency =
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fp_mul(value, this->format.codec_frequency, 16);
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break;
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case DSP_SET_OUT_FREQUENCY:
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value = value > 0 ? value : DSP_OUT_DEFAULT_HZ;
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value = MIN(DSP_OUT_MAX_HZ, MAX(DSP_OUT_MIN_HZ, value));
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*value_p = value;
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if ((unsigned int)value == this->output_sampr)
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return true; /* No change; don't broadcast */
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this->output_sampr = value;
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break;
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case DSP_GET_OUT_FREQUENCY:
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*value_p = this->output_sampr;
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return true; /* Only I/O handles it */
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}
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return false;
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}
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@ -56,9 +56,13 @@ struct sample_io_data
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uint8_t output_version; /* Format version of src buffer at output */
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};
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void dsp_sample_input_init(struct sample_io_data *this, enum dsp_ids dsp_id);
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void dsp_sample_input_flush(struct sample_io_data *this);
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void dsp_sample_input_format_change(struct sample_io_data *this,
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struct sample_format *format);
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void dsp_sample_output_init(struct sample_io_data *this);
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void dsp_sample_output_flush(struct sample_io_data *this);
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void dsp_sample_output_format_change(struct sample_io_data *this,
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struct sample_format *format);
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@ -41,6 +41,11 @@ size_t strlcpy(char *dst, const char *src, size_t siz);
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#ifndef INIT_ATTR
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# define INIT_ATTR
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#endif
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#ifndef INITDATA_ATTR
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# define INITDATA_ATTR
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#endif
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/*
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#ifdef CODEC
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