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Get samplerate switching working in the sim to be similar to on target. Make all pcm functions available there as well.

Browse source 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13320 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2007-05-04 15:14:56 +00:00
parent 621cf0788f
commit 2aaf45e643
5 changed files with 258 additions and 91 deletions
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6
apps/plugin.c
View file

@ -309,7 +309,7 @@ static const struct plugin_api rockbox_api = {
utf8seek,
/* sound */
#if CONFIG_CODEC == SWCODEC && defined(HAVE_RECORDING)
#if CONFIG_CODEC == SWCODEC
sound_default,
#endif
sound_set,
@ -329,9 +329,7 @@ static const struct plugin_api rockbox_api = {
#if CONFIG_CODEC == SWCODEC
&audio_master_sampr_list[0],
&hw_freq_sampr[0],
#ifndef SIMULATOR
pcm_apply_settings,
#endif
pcm_play_data,
pcm_play_stop,
pcm_set_frequency,
@ -342,7 +340,6 @@ static const struct plugin_api rockbox_api = {
pcm_calculate_peaks,
#ifdef HAVE_RECORDING
&rec_freq_sampr[0],
#ifndef SIMULATOR
pcm_init_recording,
pcm_close_recording,
pcm_record_data,
@ -352,7 +349,6 @@ static const struct plugin_api rockbox_api = {
audio_set_recording_gain,
audio_set_output_source,
rec_set_source,
#endif
#endif /* HAVE_RECORDING */
#endif

10
apps/plugin.h
View file

@ -110,12 +110,12 @@
#define PLUGIN_MAGIC 0x526F634B /* RocK */
/* increase this every time the api struct changes */
#define PLUGIN_API_VERSION 53
#define PLUGIN_API_VERSION 54
/* update this to latest version if a change to the api struct breaks
backwards compatibility (and please take the opportunity to sort in any
new function which are "waiting" at the end of the function table) */
#define PLUGIN_MIN_API_VERSION 52
#define PLUGIN_MIN_API_VERSION 54
/* plugin return codes */
enum plugin_status {
@ -404,7 +404,7 @@ struct plugin_api {
int (*utf8seek)(const unsigned char* utf8, int offset);
/* sound */
#if CONFIG_CODEC == SWCODEC && defined(HAVE_RECORDING)
#if CONFIG_CODEC == SWCODEC
int (*sound_default)(int setting);
#endif
void (*sound_set)(int setting, int value);
@ -424,9 +424,7 @@ struct plugin_api {
#if CONFIG_CODEC == SWCODEC
const unsigned long *audio_master_sampr_list;
const unsigned long *hw_freq_sampr;
#ifndef SIMULATOR
void (*pcm_apply_settings)(void);
#endif
void (*pcm_play_data)(pcm_more_callback_type get_more,
unsigned char* start, size_t size);
void (*pcm_play_stop)(void);
@ -438,7 +436,6 @@ struct plugin_api {
void (*pcm_calculate_peaks)(int *left, int *right);
#ifdef HAVE_RECORDING
const unsigned long *rec_freq_sampr;
#ifndef SIMULATOR
void (*pcm_init_recording)(void);
void (*pcm_close_recording)(void);
void (*pcm_record_data)(pcm_more_callback_type2 more_ready,
@ -449,7 +446,6 @@ struct plugin_api {
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
#endif /* HAVE_RECORDING */
#endif

6
apps/plugins/test_sampr.c
View file

@ -198,10 +198,14 @@ void play_waveform(void)
rb->audio_stop();
rb->sound_set(SOUND_VOLUME, rb->sound_default(SOUND_VOLUME));
#ifdef HAVE_RECORDING
/* Select playback */
rb->rec_set_source(AUDIO_SRC_PLAYBACK, SRCF_PLAYBACK);
#endif
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(true);
#endif
rb->pcm_set_frequency(rb->hw_freq_sampr[freq]);
@ -223,7 +227,9 @@ void play_waveform(void)
while (rb->pcm_is_playing())
rb->yield();
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(false);
#endif
/* restore default - user of apis is responsible for restoring
default state - normally playback at 44100Hz */

19
apps/recorder/recording.c
View file

@ -2100,6 +2100,12 @@ void audio_set_recording_gain(int left, int right, int type)
type = type;
}
void audio_set_output_source(int source)
{
source = source;
}
void audio_record(const char *filename)
{
filename = filename;
@ -2117,19 +2123,6 @@ void audio_resume_recording(void)
{
}
void pcm_calculate_rec_peaks(int *left, int *right)
{
if (left)
*left = 0;
if (right)
*right = 0;
}
unsigned long pcm_rec_status(void)
{
return 0;
}
#endif /* #ifdef SIMULATOR */
#endif /* #ifdef CONFIG_CODEC == SWCODEC */

300
uisimulator/sdl/sound.c
View file

@ -25,34 +25,71 @@
#include "debug.h"
#include "kernel.h"
#include "sound.h"
#include "pcm_sampr.h"
#include "SDL.h"
static bool pcm_playing;
static bool pcm_paused;
static int cvt_status = -1;
static unsigned long pcm_frequency = SAMPR_44;
static unsigned long pcm_curr_frequency = SAMPR_44;
static Uint8* pcm_data;
static size_t pcm_data_size;
static size_t pcm_sample_bytes;
static size_t pcm_channel_bytes;
struct pcm_udata
{
Uint8 *stream;
Uint32 num_in;
Uint32 num_out;
FILE *debug;
} udata;
static SDL_AudioSpec obtained;
static SDL_AudioCVT cvt;
extern bool debug_audio;
static void sdl_dma_start(const void *addr, size_t size)
{
pcm_playing = true;
#ifndef MIN
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
#endif
static void pcm_apply_settings_nolock(void)
{
cvt_status = SDL_BuildAudioCVT(&cvt, AUDIO_S16SYS, 2, pcm_frequency,
obtained.format, obtained.channels, obtained.freq);
pcm_curr_frequency = pcm_frequency;
if (cvt_status < 0) {
cvt.len_ratio = (double)obtained.freq / (double)pcm_curr_frequency;
}
}
void pcm_apply_settings(void)
{
SDL_LockAudio();
pcm_apply_settings_nolock();
SDL_UnlockAudio();
}
static void sdl_dma_start_nolock(const void *addr, size_t size)
{
pcm_playing = false;
pcm_apply_settings_nolock();
pcm_data = (Uint8 *) addr;
pcm_data_size = size;
SDL_UnlockAudio();
pcm_playing = true;
SDL_PauseAudio(0);
}
static void sdl_dma_stop(void)
static void sdl_dma_stop_nolock(void)
{
pcm_playing = false;
@ -65,18 +102,20 @@ static void (*callback_for_more)(unsigned char**, size_t*) = NULL;
void pcm_play_data(void (*get_more)(unsigned char** start, size_t* size),
unsigned char* start, size_t size)
{
SDL_LockAudio();
callback_for_more = get_more;
if (!(start && size)) {
if (get_more)
get_more(&start, &size);
else
return;
}
if (start && size) {
sdl_dma_start(start, size);
sdl_dma_start_nolock(start, size);
}
SDL_UnlockAudio();
}
size_t pcm_get_bytes_waiting(void)
@ -91,9 +130,11 @@ void pcm_mute(bool mute)
void pcm_play_stop(void)
{
SDL_LockAudio();
if (pcm_playing) {
sdl_dma_stop();
sdl_dma_stop_nolock();
}
SDL_UnlockAudio();
}
void pcm_play_pause(bool play)
@ -101,14 +142,17 @@ void pcm_play_pause(bool play)
size_t next_size;
Uint8 *next_start;
SDL_LockAudio();
if (!pcm_playing) {
SDL_UnlockAudio();
return;
}
if(pcm_paused && play) {
if (pcm_get_bytes_waiting()) {
printf("unpause\n");
pcm_apply_settings_nolock();
SDL_PauseAudio(0);
} else {
printf("unpause, no data waiting\n");
@ -120,9 +164,9 @@ void pcm_play_pause(bool play)
}
if (next_start && next_size) {
sdl_dma_start(next_start, next_size);
sdl_dma_start_nolock(next_start, next_size);
} else {
sdl_dma_stop();
sdl_dma_stop_nolock();
printf("unpause attempted, no data\n");
}
}
@ -133,6 +177,8 @@ void pcm_play_pause(bool play)
}
pcm_paused = !play;
SDL_UnlockAudio();
}
bool pcm_is_paused(void)
@ -147,9 +193,26 @@ bool pcm_is_playing(void)
void pcm_set_frequency(unsigned int frequency)
{
// FIXME: Check return values
SDL_BuildAudioCVT(&cvt, AUDIO_S16SYS, 2, frequency,
obtained.format, obtained.channels, obtained.freq);
switch (frequency)
{
HW_HAVE_8_( case SAMPR_8:)
HW_HAVE_11_(case SAMPR_11:)
HW_HAVE_12_(case SAMPR_12:)
HW_HAVE_16_(case SAMPR_16:)
HW_HAVE_22_(case SAMPR_22:)
HW_HAVE_24_(case SAMPR_24:)
HW_HAVE_32_(case SAMPR_32:)
/* 44100 implied */
HW_HAVE_48_(case SAMPR_48:)
HW_HAVE_64_(case SAMPR_64:)
HW_HAVE_88_(case SAMPR_88:)
HW_HAVE_96_(case SAMPR_96:)
break;
default:
frequency = SAMPR_44;
}
pcm_frequency = frequency;
}
/*
@ -216,83 +279,174 @@ void pcm_calculate_peaks(int *left, int *right)
}
}
static long write_to_soundcard(Uint8 *stream, int len, FILE *debug) {
Uint32 written = (((Uint32) len) > pcm_data_size) ? pcm_data_size : (Uint32) len;
void write_to_soundcard(struct pcm_udata *udata) {
if (cvt.needed) {
cvt.buf = (Uint8 *) malloc(written * cvt.len_mult);
cvt.len = written;
Uint32 rd = udata->num_in;
Uint32 wr = (double)rd * cvt.len_ratio;
memcpy(cvt.buf, pcm_data, written);
if (wr > udata->num_out) {
wr = udata->num_out;
rd = (double)wr / cvt.len_ratio;
if (rd > udata->num_in)
{
rd = udata->num_in;
wr = (double)rd * cvt.len_ratio;
}
}
if (wr == 0 || rd == 0)
{
udata->num_out = udata->num_in = 0;
return;
}
if (cvt_status > 0) {
cvt.len = rd * pcm_sample_bytes;
cvt.buf = (Uint8 *) malloc(cvt.len * cvt.len_mult);
memcpy(cvt.buf, pcm_data, cvt.len);
SDL_ConvertAudio(&cvt);
memcpy(stream, cvt.buf, cvt.len_cvt);
memcpy(udata->stream, cvt.buf, cvt.len_cvt);
if (debug != NULL) {
fwrite(cvt.buf, sizeof(Uint8), cvt.len_cvt, debug);
udata->num_in = cvt.len / pcm_sample_bytes;
udata->num_out = cvt.len_cvt / pcm_sample_bytes;
if (udata->debug != NULL) {
fwrite(cvt.buf, sizeof(Uint8), cvt.len_cvt, udata->debug);
}
free(cvt.buf);
} else {
memcpy(stream, pcm_data, written);
if (debug != NULL) {
fwrite(pcm_data, sizeof(Uint8), written, debug);
}
}
else {
/* Convert is bad, so do silence */
Uint32 num = wr*obtained.channels;
udata->num_in = rd;
udata->num_out = wr;
return written;
}
void sdl_audio_callback(void *udata, Uint8 *stream, int len)
switch (pcm_channel_bytes)
{
Uint32 have_now;
FILE *debug = (FILE *) udata;
case 1:
{
Uint8 *stream = udata->stream;
while (num-- > 0)
*stream++ = obtained.silence;
break;
}
case 2:
{
Uint16 *stream = (Uint16 *)udata->stream;
while (num-- > 0)
*stream++ = obtained.silence;
break;
}
}
/* At all times we need to write a full 'len' bytes to stream. */
if (udata->debug != NULL) {
fwrite(udata->stream, sizeof(Uint8), wr, udata->debug);
}
}
} else {
udata->num_in = udata->num_out = MIN(udata->num_in, udata->num_out);
memcpy(udata->stream, pcm_data, udata->num_out * pcm_sample_bytes);
if (udata->debug != NULL) {
fwrite(pcm_data, sizeof(Uint8), udata->num_out * pcm_sample_bytes,
udata->debug);
}
}
}
void sdl_audio_callback(struct pcm_udata *udata, Uint8 *stream, int len)
{
udata->stream = stream;
/* Write what we have in the PCM buffer */
if (pcm_data_size > 0) {
have_now = write_to_soundcard(stream, len, debug);
stream += have_now;
len -= have_now;
pcm_data += have_now;
pcm_data_size -= have_now;
}
if (pcm_data_size > 0)
goto start;
/* Audio card wants more? Get some more then. */
while (len > 0) {
if (callback_for_more) {
callback_for_more(&pcm_data, &pcm_data_size);
} else {
pcm_data = NULL;
if ((ssize_t)pcm_data_size <= 0) {
pcm_data_size = 0;
if (callback_for_more)
callback_for_more(&pcm_data, &pcm_data_size);
}
if (pcm_data_size > 0) {
have_now = write_to_soundcard(stream, len, debug);
start:
udata->num_in = pcm_data_size / pcm_sample_bytes;
udata->num_out = len / pcm_sample_bytes;
stream += have_now;
len -= have_now;
pcm_data += have_now;
pcm_data_size -= have_now;
write_to_soundcard(udata);
udata->num_in *= pcm_sample_bytes;
udata->num_out *= pcm_sample_bytes;
pcm_data += udata->num_in;
pcm_data_size -= udata->num_in;
udata->stream += udata->num_out;
len -= udata->num_out;
} else {
DEBUGF("sdl_audio_callback: No Data.\n");
sdl_dma_stop();
sdl_dma_stop_nolock();
break;
}
}
}
#ifdef HAVE_RECORDING
void pcm_init_recording(void)
{
}
void pcm_close_recording(void)
{
}
void pcm_record_data(void (*more_ready)(void* start, size_t size),
void *start, size_t size)
{
(void)more_ready;
(void)start;
(void)size;
}
void pcm_stop_recording(void)
{
}
void pcm_record_more(void *start, size_t size)
{
(void)start;
(void)size;
}
void pcm_calculate_rec_peaks(int *left, int *right)
{
if (left)
*left = 0;
if (right)
*right = 0;
}
unsigned long pcm_rec_status(void)
{
return 0;
}
#endif /* HAVE_RECORDING */
int pcm_init(void)
{
SDL_AudioSpec wanted_spec;
FILE *debug = NULL;
udata.debug = NULL;
if (debug_audio) {
debug = fopen("audiodebug.raw", "wb");
udata.debug = fopen("audiodebug.raw", "wb");
}
/* Set 16-bit stereo audio at 44Khz */
@ -300,8 +454,10 @@ int pcm_init(void)
wanted_spec.format = AUDIO_S16SYS;
wanted_spec.channels = 2;
wanted_spec.samples = 2048;
wanted_spec.callback = sdl_audio_callback;
wanted_spec.userdata = debug;
wanted_spec.callback =
(void (SDLCALL *)(void *userdata,
Uint8 *stream, int len))sdl_audio_callback;
wanted_spec.userdata = &udata;
/* Open the audio device and start playing sound! */
if(SDL_OpenAudio(&wanted_spec, &obtained) < 0) {
@ -309,7 +465,29 @@ int pcm_init(void)
return -1;
}
sdl_dma_stop();
switch (obtained.format)
{
case AUDIO_U8:
case AUDIO_S8:
pcm_channel_bytes = 1;
break;
case AUDIO_U16LSB:
case AUDIO_S16LSB:
case AUDIO_U16MSB:
case AUDIO_S16MSB:
pcm_channel_bytes = 2;
break;
default:
fprintf(stderr, "Unknown sample format obtained: %u\n",
(unsigned)obtained.format);
return -1;
}
pcm_sample_bytes = obtained.channels * pcm_channel_bytes;
pcm_apply_settings_nolock();
sdl_dma_stop_nolock();
return 0;
}
@ -317,5 +495,3 @@ int pcm_init(void)
void pcm_postinit(void)
{
}