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Straighten out some audio path APIs and misc. audio stuff. Having recording is not a prerequisite to having input/output source selection which is probably most useful when adding a audio input features like FM to a new port without forcing recording to be implemented first.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13599 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2007-06-08 23:42:04 +00:00
parent a85793fc54
commit 2d48d0ffa6
22 changed files with 237 additions and 154 deletions
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3
apps/SOURCES
View file

@ -86,6 +86,9 @@ recorder/radio.c
recorder/recording.c
#endif
#if CONFIG_CODEC == SWCODEC
#if INPUT_SRC_CAPS != 0
audio_path.c
#endif /* INPUT_SRC_CAPS != 0 */
pcmbuf.c
playback.c
codecs.c

145
apps/audio_path.c Normal file
View file

@ -0,0 +1,145 @@
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Audio signal path management APIs
*
* Copyright (C) 2007 by Michael Sevakis
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "system.h"
#include "cpu.h"
#include "audio.h"
#include "general.h"
#include "settings.h"
#if defined(HAVE_SPDIF_IN) || defined(HAVE_SPDIF_OUT)
#ifdef HAVE_SPDIF_POWER
#include "power.h"
#endif
#include "spdif.h"
#endif
#if CONFIG_TUNER
#include "radio.h"
#endif
/* Some audio sources may require a boosted CPU */
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
#ifdef HAVE_SPDIF_REC
#define AUDIO_CPU_BOOST
#endif
#endif
#ifndef SIMULATOR
#ifdef AUDIO_CPU_BOOST
static void audio_cpu_boost(bool state)
{
static bool cpu_boosted = false;
if (state != cpu_boosted)
{
cpu_boost(state);
cpu_boosted = state;
}
} /* audio_cpu_boost */
#endif /* AUDIO_CPU_BOOST */
/**
* Selects an audio source for recording or playback
* powers/unpowers related devices and sets up monitoring.
*/
void audio_set_input_source(int source, unsigned flags)
{
/** Do power up/down of associated device(s) **/
/** SPDIF **/
#ifdef AUDIO_CPU_BOOST
/* Always boost for SPDIF */
audio_cpu_boost(source == AUDIO_SRC_SPDIF);
#endif /* AUDIO_CPU_BOOST */
#ifdef HAVE_SPDIF_POWER
/* Check if S/PDIF output power should be switched off or on. NOTE: assumes
both optical in and out is controlled by the same power source, which is
the case on H1x0. */
spdif_power_enable((source == AUDIO_SRC_SPDIF) ||
global_settings.spdif_enable);
#endif /* HAVE_SPDIF_POWER */
/* Set the appropriate feed for spdif output */
#ifdef HAVE_SPDIF_OUT
spdif_set_output_source(source
IF_SPDIF_POWER_(, global_settings.spdif_enable));
#endif /* HAVE_SPDIF_OUT */
/** Tuner **/
#if CONFIG_TUNER
/* Switch radio off or on per source and flags. */
if (source != AUDIO_SRC_FMRADIO)
radio_stop();
else if (flags & SRCF_FMRADIO_PAUSED)
radio_pause();
else
radio_start();
#endif
/* set hardware inputs */
audio_input_mux(source, flags);
} /* audio_set_source */
#ifdef HAVE_SPDIF_IN
/**
* Return SPDIF sample rate index in audio_master_sampr_list. Since we base
* our reading on the actual SPDIF sample rate (which might be a bit
* inaccurate), we round off to the closest sample rate that is supported by
* SPDIF.
*/
int audio_get_spdif_sample_rate(void)
{
unsigned long measured_rate = spdif_measure_frequency();
/* Find which SPDIF sample rate we're closest to. */
return round_value_to_list32(measured_rate, audio_master_sampr_list,
SAMPR_NUM_FREQ, false);
} /* audio_get_spdif_sample_rate */
#endif /* HAVE_SPDIF_IN */
#else /* SIMULATOR */
/** Sim stubs **/
#ifdef AUDIO_CPU_BOOST
static void audio_cpu_boost(bool state)
{
(void)state;
} /* audio_cpu_boost */
#endif /* AUDIO_CPU_BOOST */
void audio_set_output_source(int source)
{
(void)source;
} /* audio_set_output_source */
void audio_set_input_source(int source, unsigned flags)
{
(void)source;
(void)flags;
} /* audio_set_input_source */
#ifdef HAVE_SPDIF_IN
int audio_get_spdif_sample_rate(void)
{
return FREQ_44;
} /* audio_get_spdif_sample_rate */
#endif /* HAVE_SPDIF_IN */
#endif /* !SIMULATOR */

4
apps/debug_menu.c
View file

@ -693,7 +693,7 @@ static bool dbg_spdif(void)
bool done = false;
bool spdif_src_on;
int spdif_source = spdif_get_output_source(&spdif_src_on);
spdif_set_output_source(AUDIO_SRC_SPDIF, true);
spdif_set_output_source(AUDIO_SRC_SPDIF IF_SPDIF_POWER_(, true));
lcd_setmargins(0, 0);
lcd_clear_display();
@ -844,7 +844,7 @@ static bool dbg_spdif(void)
break;
}
spdif_set_output_source(spdif_source, spdif_src_on);
spdif_set_output_source(spdif_source IF_SPDIF_POWER_(, spdif_src_on));
#ifdef HAVE_SPDIF_POWER
spdif_power_enable(global_settings.spdif_enable);

4
apps/playback.c
View file

@ -3301,8 +3301,8 @@ static void audio_stop_playback(void)
static void audio_play_start(size_t offset)
{
#if defined(HAVE_RECORDING) || CONFIG_TUNER
rec_set_source(AUDIO_SRC_PLAYBACK, SRCF_PLAYBACK);
#if INPUT_SRC_CAPS != 0
audio_set_input_source(AUDIO_SRC_PLAYBACK, SRCF_PLAYBACK);
#endif
/* Wait for any previously playing audio to flush - TODO: Not necessary? */

7
apps/plugin.c
View file

@ -349,11 +349,12 @@ static const struct plugin_api rockbox_api = {
pcm_stop_recording,
pcm_calculate_rec_peaks,
audio_set_recording_gain,
audio_set_output_source,
rec_set_source,
#endif /* HAVE_RECORDING */
#if INPUT_SRC_CAPS != 0
audio_set_output_source,
audio_set_input_source,
#endif
#endif /* CONFIG_CODEC == SWCODEC */
/* playback control */
playlist_amount,

7
apps/plugin.h
View file

@ -448,11 +448,12 @@ struct plugin_api {
void (*pcm_stop_recording)(void);
void (*pcm_calculate_rec_peaks)(int *left, int *right);
void (*audio_set_recording_gain)(int left, int right, int type);
void (*audio_set_output_source)(int monitor);
void (*rec_set_source)(int source, unsigned flags);
#endif /* HAVE_RECORDING */
#if INPUT_SRC_CAPS != 0
void (*audio_set_output_source)(int monitor);
void (*audio_set_input_source)(int source, unsigned flags);
#endif
#endif /* CONFIG_CODEC == SWCODC */
/* playback control */
int (*playlist_amount)(void);

6
apps/plugins/test_sampr.c
View file

@ -199,9 +199,9 @@ void play_waveform(void)
rb->audio_stop();
rb->sound_set(SOUND_VOLUME, rb->sound_default(SOUND_VOLUME));
#ifdef HAVE_RECORDING
#ifdef INPUT_SRC_CAPS != 0
/* Select playback */
rb->rec_set_source(AUDIO_SRC_PLAYBACK, SRCF_PLAYBACK);
rb->audio_set_input_source(AUDIO_SRC_PLAYBACK, SRCF_PLAYBACK);
#endif
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
@ -210,7 +210,7 @@ void play_waveform(void)
rb->pcm_set_frequency(rb->hw_freq_sampr[freq]);
#ifdef HAVE_RECORDING
#ifdef INPUT_SRC_CAPS != 0
/* Recordable targets can play back from other sources */
rb->audio_set_output_source(AUDIO_SRC_PLAYBACK);
#endif

4
apps/recorder/radio.c
View file

@ -509,7 +509,7 @@ int radio_screen(void)
/* turn on radio */
#if CONFIG_CODEC == SWCODEC
rec_set_source(AUDIO_SRC_FMRADIO,
audio_set_input_source(AUDIO_SRC_FMRADIO,
(radio_status == FMRADIO_PAUSED) ?
SRCF_FMRADIO_PAUSED : SRCF_FMRADIO_PLAYING);
#else
@ -985,7 +985,7 @@ int radio_screen(void)
else
{
#if CONFIG_CODEC == SWCODEC
rec_set_source(AUDIO_SRC_PLAYBACK, SRCF_PLAYBACK);
audio_set_input_source(AUDIO_SRC_PLAYBACK, SRCF_PLAYBACK);
#else
radio_stop();
#endif

107
apps/recorder/recording.c
View file

@ -547,80 +547,6 @@ int rec_create_directory(void)
return 0;
}
#if CONFIG_CODEC == SWCODEC && !defined(SIMULATOR)
# ifdef HAVE_SPDIF_REC
# ifdef HAVE_ADJUSTABLE_CPU_FREQ
static void rec_boost(bool state)
{
static bool cpu_boosted = false;
if (state != cpu_boosted)
{
cpu_boost(state);
cpu_boosted = state;
}
}
# endif
# endif
/**
* Selects an audio source for recording or playback
* powers/unpowers related devices and sets up monitoring.
* Here because it calls app code and used only for HAVE_RECORDING atm.
* Would like it in pcm_record.c.
*
* Behaves like a firmware function in that it does not use global settings
* to determine the state.
*
* The order of setting monitoring may need tweaking dependent upon the
* selected source to get the smoothest transition.
*/
void rec_set_source(int source, unsigned flags)
{
/** Do power up/down of associated device(s) **/
/** SPDIF **/
#ifdef HAVE_SPDIF_REC
/* Always boost for SPDIF */
rec_boost(source == AUDIO_SRC_SPDIF);
#endif /* HAVE_SPDIF_IN */
#ifdef HAVE_SPDIF_POWER
/* Check if S/PDIF output power should be switched off or on. NOTE: assumes
both optical in and out is controlled by the same power source, which is
the case on H1x0. */
spdif_power_enable((source == AUDIO_SRC_SPDIF) ||
global_settings.spdif_enable);
/* Set the appropriate feed for spdif output */
#ifdef HAVE_SPDIF_OUT
spdif_set_output_source(source, global_settings.spdif_enable);
#endif
#else /* !HAVE_SPDIF_POWER */
#ifdef HAVE_SPDIF_OUT
spdif_set_output_source(source, true);
#endif
#endif /* !HAVE_SPDIF_POWER */
/** Tuner **/
#if CONFIG_TUNER
/* Switch radio off or on per source and flags. */
if (source != AUDIO_SRC_FMRADIO)
radio_stop();
else if (flags & SRCF_FMRADIO_PAUSED)
radio_pause();
else
radio_start();
#endif
/* set hardware inputs */
audio_set_source(source, flags);
peak_meter_playback((flags & SRCF_RECORDING) == 0);
peak_meter_enabled = true;
} /* rec_set_source */
#endif /* CONFIG_CODEC == SWCODEC && !defined(SIMULATOR) */
void rec_init_recording_options(struct audio_recording_options *options)
{
options->rec_source = global_settings.rec_source;
@ -637,6 +563,18 @@ void rec_init_recording_options(struct audio_recording_options *options)
#endif
}
#if CONFIG_CODEC == SWCODEC && !defined (SIMULATOR)
void rec_set_source(int source, unsigned flags)
{
/* Set audio input source, power up/down devices */
audio_set_input_source(source, flags);
/* Set peakmeters for recording or reset to playback */
peak_meter_playback((flags & SRCF_RECORDING) == 0);
peak_meter_enabled = true;
}
#endif /* CONFIG_CODEC == SWCODEC && !defined (SIMULATOR) */
void rec_set_recording_options(struct audio_recording_options *options)
{
#if CONFIG_CODEC != SWCODEC
@ -2062,20 +2000,6 @@ void rec_set_source(int source, unsigned flags)
flags = flags;
}
#ifdef HAVE_SPDIF_IN
#ifdef HAVE_SPDIF_POWER
void audio_set_spdif_power_setting(bool on)
{
on = on;
}
bool audio_get_spdif_power_setting(void)
{
return true;
}
#endif /* HAVE_SPDIF_POWER */
#endif /* HAVE_SPDIF_IN */
void audio_set_recording_options(struct audio_recording_options *options)
{
options = options;
@ -2088,13 +2012,12 @@ void audio_set_recording_gain(int left, int right, int type)
type = type;
}
void audio_set_output_source(int source)
void audio_record(const char *filename)
{
source = source;
filename = filename;
}
void audio_record(const char *filename)
void audio_new_file(const char *filename)
{
filename = filename;
}

4
apps/recorder/recording.h
View file

@ -29,7 +29,7 @@ int rec_create_directory(void);
extern bool recording_start_automatic;
#if CONFIG_CODEC == SWCODEC
/* handles device powerup and sets audio source */
/* handles device powerup, sets audio source and peakmeter mode */
void rec_set_source(int source, unsigned flags);
#endif /* CONFIG_CODEC == SW_CODEC */
@ -47,4 +47,4 @@ void rec_record(void);
/* creates unique filename and starts recording */
void rec_new_file(void);
#endif
#endif /* RECORDING_H */

20
firmware/export/audio.h
View file

@ -194,12 +194,7 @@ void audio_record(const char *filename);
void audio_stop_recording(void);
void audio_pause_recording(void);
void audio_resume_recording(void);
#if CONFIG_CODEC == SWCODEC
static inline void audio_new_file(const char *filename)
{ audio_record(filename); }
#else
void audio_new_file(const char *filename);
#endif /* CONFIG_CODEC == SWCODEC */
void audio_set_recording_options(struct audio_recording_options *options);
void audio_set_recording_gain(int left, int right, int type);
unsigned long audio_recorded_time(void);
@ -211,11 +206,22 @@ unsigned long audio_num_recorded_bytes(void);
bool audio_load_encoder(int afmt);
void audio_remove_encoder(void);
unsigned char *audio_get_recording_buffer(size_t *buffer_size);
void audio_set_source(int source, unsigned flags);
void audio_set_output_source(int source);
#endif /* CONFIG_CODEC == SWCODEC */
#endif /* HAVE_RECORDING */
#if CONFIG_CODEC == SWCODEC
/* SWCODEC misc. audio functions */
#if INPUT_SRC_CAPS != 0
/* audio.c */
void audio_set_input_source(int source, unsigned flags);
/* audio_input_mux: target-specific implementation used by audio_set_source
to set hardware inputs and audio paths */
void audio_input_mux(int source, unsigned flags);
void audio_set_output_source(int source);
#endif /* INPUT_SRC_CAPS */
#endif /* CONFIG_CODEC == SWCODEC */
#ifdef HAVE_SPDIF_IN
/* returns index into rec_master_sampr_list */
int audio_get_spdif_sample_rate(void);

9
firmware/export/config_caps.h
View file

@ -66,6 +66,10 @@
#define HAVE_FMRADIO_IN_(...)
#endif
#if INPUT_SRC_CAPS != 0 && (INPUT_SRC_CAPS & (INPUT_SRC_CAPS-1)) != 0
#define HAVE_MULTI_INPUT_SRC
#endif
#ifdef HAVE_RECORDING
/* Recordable source implies it has the input as well */
@ -104,4 +108,9 @@
#else
#define HAVE_FMRADIO_REC_(...)
#endif
#if REC_SRC_CAPS != 0 && (REC_SRC_CAPS & (REC_SRC_CAPS-1)) != 0
#define HAVE_MULTI_REC_SRC
#endif
#endif /* HAVE_RECORDING */

8
firmware/export/spdif.h
View file

@ -20,6 +20,12 @@
#ifndef SPDIF_H
#define SPDIF_H
#ifdef HAVE_SPDIF_POWER
#define IF_SPDIF_POWER_(...) __VA_ARGS__
#else
#define IF_SPDIF_POWER_(...)
#endif
/* Initialize the S/PDIF driver */
void spdif_init(void);
/* Return the S/PDIF frequency in herz - unrounded */
@ -27,7 +33,7 @@ unsigned long spdif_measure_frequency(void);
#ifdef HAVE_SPDIF_OUT
/* Set the S/PDIF audio feed - Use AUDIO_SRC_* values -
will be off if not powered or !on */
void spdif_set_output_source(int source, bool on);
void spdif_set_output_source(int source IF_SPDIF_POWER_(, bool on));
/* Return the last set S/PDIF audio source - literally the last value passed
to spdif_set_monitor regardless of power state */
int spdif_get_output_source(bool *src_on);

26
firmware/pcm_record.c
View file

@ -480,6 +480,14 @@ void audio_record(const char *filename)
logf("audio_record_done");
} /* audio_record */
/**
* audio_record wrapper for API compatibility with HW codec
*/
void audio_new_file(const char *filename)
{
audio_record(filename);
} /* audio_new_file */
/**
* Stop current recording if recording
*/
@ -551,22 +559,6 @@ unsigned long audio_num_recorded_bytes(void)
return num_rec_bytes;
} /* audio_num_recorded_bytes */
#ifdef HAVE_SPDIF_IN
/**
* Return SPDIF sample rate index in audio_master_sampr_list. Since we base
* our reading on the actual SPDIF sample rate (which might be a bit
* inaccurate), we round off to the closest sample rate that is supported by
* SPDIF.
*/
int audio_get_spdif_sample_rate(void)
{
unsigned long measured_rate = spdif_measure_frequency();
/* Find which SPDIF sample rate we're closest to. */
return round_value_to_list32(measured_rate, audio_master_sampr_list,
SAMPR_NUM_FREQ, false);
} /* audio_get_spdif_sample_rate */
#endif /* HAVE_SPDIF_IN */
/***************************************************************************/
/* */
/* Functions that execute in the context of pcmrec_thread */
@ -1756,7 +1748,7 @@ void enc_set_parameters(struct enc_parameters *params)
fnq_size *= MAX_PATH;
logf("fnq files:%ld", fnq_size / MAX_PATH);
#if 1
#if 0
logf("ab :%08lX", (uintptr_t)audiobuf);
logf("pcm:%08lX", (uintptr_t)pcm_buffer);
logf("enc:%08lX", (uintptr_t)enc_buffer);

4
firmware/target/arm/audio-pp.c
View file

@ -29,7 +29,7 @@ void audio_set_output_source(int source)
source = AUDIO_SRC_PLAYBACK;
} /* audio_set_output_source */
void audio_set_source(int source, unsigned flags)
void audio_input_mux(int source, unsigned flags)
{
(void)flags;
/* Prevent pops from unneeded switching */
@ -87,6 +87,6 @@ void audio_set_source(int source, unsigned flags)
} /* end switch */
last_source = source;
} /* audio_set_source */
} /* audio_input_mux */

6
firmware/target/arm/sandisk/sansa-e200/audio-e200.c
View file

@ -39,7 +39,7 @@ void audio_set_output_source(int source)
set_fiq_status(oldmode);
} /* audio_set_output_source */
void audio_set_source(int source, unsigned flags)
void audio_input_mux(int source, unsigned flags)
{
static int last_source = AUDIO_SRC_PLAYBACK;
static bool last_recording = false;
@ -89,6 +89,4 @@ void audio_set_source(int source, unsigned flags)
} /* end switch */
last_source = source;
} /* audio_set_source */
} /* audio_input_mux */

5
firmware/target/coldfire/iaudio/m5/audio-m5.c
View file

@ -35,7 +35,7 @@ void audio_set_output_source(int source)
set_irq_level(level);
} /* audio_set_output_source */
void audio_set_source(int source, unsigned flags)
void audio_input_mux(int source, unsigned flags)
{
/* Prevent pops from unneeded switching */
static int last_source = AUDIO_SRC_PLAYBACK;
@ -79,5 +79,4 @@ void audio_set_source(int source, unsigned flags)
or_l((1 << 29), &GPIO_FUNCTION);
last_source = source;
} /* audio_set_source */
} /* audio_input_mux */

4
firmware/target/coldfire/iaudio/x5/audio-x5.c
View file

@ -35,7 +35,7 @@ void audio_set_output_source(int source)
set_irq_level(level);
} /* audio_set_output_source */
void audio_set_source(int source, unsigned flags)
void audio_input_mux(int source, unsigned flags)
{
/* Prevent pops from unneeded switching */
static int last_source = AUDIO_SRC_PLAYBACK;
@ -109,5 +109,5 @@ void audio_set_source(int source, unsigned flags)
or_l((1 << 29), &GPIO_FUNCTION);
last_source = source;
} /* audio_set_source */
} /* audio_input_mux */

6
firmware/target/coldfire/iriver/audio-iriver.c
View file

@ -44,7 +44,7 @@ void audio_set_output_source(int source)
set_irq_level(level);
} /* audio_set_output_source */
void audio_set_source(int source, unsigned flags)
void audio_input_mux(int source, unsigned flags)
{
/* Prevent pops from unneeded switching */
static int last_source = AUDIO_SRC_PLAYBACK;
@ -131,6 +131,4 @@ void audio_set_source(int source, unsigned flags)
or_l(MUX_BIT, &GPIO_FUNCTION);
last_source = source;
} /* audio_set_source */
} /* audio_input_mux */

3
firmware/target/coldfire/iriver/h100/power-h100.c
View file

@ -89,7 +89,8 @@ void spdif_power_enable(bool on)
#ifndef BOOTLOADER
/* Make sure the feed is reset */
spdif_set_output_source(spdif_get_output_source(NULL), true);
spdif_set_output_source(spdif_get_output_source(NULL)
IF_SPDIF_POWER_(, true));
#endif
}

3
firmware/target/coldfire/iriver/h100/spdif-h100.c
View file

@ -33,7 +33,8 @@ void spdif_init(void)
{
/* PHASECONFIG setup: gain = 3*2^13, source = EBUIN */
PHASECONFIG = (6 << 3) | (4 << 0);
spdif_set_output_source(AUDIO_SRC_PLAYBACK, true);
spdif_set_output_source(AUDIO_SRC_PLAYBACK
IF_SPDIF_POWER_(, true));
}
/* Return the S/PDIF frequency in herz - unrounded */

2
firmware/target/coldfire/pcm-coldfire.c
View file

@ -271,7 +271,7 @@ void pcm_init(void)
/* Initialize default register values. */
audiohw_init();
audio_set_source(AUDIO_SRC_PLAYBACK, SRCF_PLAYBACK);
audio_input_mux(AUDIO_SRC_PLAYBACK, SRCF_PLAYBACK);
audiohw_set_frequency(freq_ent[FPARM_FSEL]);
coldfire_set_pllcr_audio_bits(PLLCR_SET_AUDIO_BITS_DEFPARM);