567 lines
16 KiB
C++
Executable file
567 lines
16 KiB
C++
Executable file
/*
|
|
* Copyright (C) 2014 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#define LOG_NDEBUG 0
|
|
#define LOG_TAG "BootAnim_AudioPlayer"
|
|
|
|
#include "AudioPlayer.h"
|
|
|
|
#include <androidfw/ZipFileRO.h>
|
|
#include <tinyalsa/asoundlib.h>
|
|
#include <utils/Log.h>
|
|
#include <fcntl.h>
|
|
#include <dirent.h>
|
|
#include <linux/input.h>
|
|
|
|
#define ID_RIFF 0x46464952
|
|
#define ID_WAVE 0x45564157
|
|
#define ID_FMT 0x20746d66
|
|
#define ID_DATA 0x61746164
|
|
|
|
// Maximum line length for audio_conf.txt
|
|
// We only accept lines less than this length to avoid overflows using sscanf()
|
|
#define MAX_LINE_LENGTH 1024
|
|
|
|
struct riff_wave_header {
|
|
uint32_t riff_id;
|
|
uint32_t riff_sz;
|
|
uint32_t wave_id;
|
|
};
|
|
|
|
struct chunk_header {
|
|
uint32_t id;
|
|
uint32_t sz;
|
|
};
|
|
|
|
struct chunk_fmt {
|
|
uint16_t audio_format;
|
|
uint16_t num_channels;
|
|
uint32_t sample_rate;
|
|
uint32_t byte_rate;
|
|
uint16_t block_align;
|
|
uint16_t bits_per_sample;
|
|
};
|
|
|
|
|
|
namespace android {
|
|
|
|
AudioPlayer::AudioPlayer()
|
|
: mCard(-1),
|
|
mDevice(-1),
|
|
mHeadsetPlugged(false),
|
|
mPeriodSize(0),
|
|
mPeriodCount(0),
|
|
mSingleVolumeControl(false),
|
|
mSpeakerHeadphonesSyncOut(false),
|
|
mWavData(NULL),
|
|
mWavLength(0)
|
|
{
|
|
}
|
|
|
|
AudioPlayer::~AudioPlayer() {
|
|
}
|
|
|
|
#if 0
|
|
void AudioPlayer::check_event(char *path)
|
|
{
|
|
//char *input_dir = "/sys/class/input";
|
|
String8 input_dir("/sys/class/input");
|
|
//char *cmp = "Jack";
|
|
String8 cmp("Jack");
|
|
char event_path[256];
|
|
char edevname_file[256];
|
|
char event_devname[256];
|
|
struct dirent *dp;
|
|
DIR *dfd;
|
|
|
|
if ((dfd = opendir(input_dir.string())) == NULL) {
|
|
ALOGE("cannot open %s\n", input_dir.string());
|
|
return;
|
|
}
|
|
|
|
chdir(input_dir.string());
|
|
while ((dp = readdir(dfd)) != NULL) {
|
|
if (strncmp(dp->d_name, ".", 1) == 0 ||
|
|
strncmp(dp->d_name, "event", 5) != 0) {
|
|
continue;
|
|
}
|
|
|
|
memset(event_path, 0, 256);
|
|
memset(edevname_file, 0, 256);
|
|
memset(event_devname, 0, 256);
|
|
sprintf(event_path, "%s/%s", input_dir.string(), dp->d_name);
|
|
sprintf(edevname_file, "%s/device/name", event_path);
|
|
|
|
errno = 0;
|
|
int fd = open(edevname_file, O_RDONLY);
|
|
if (fd < 0) {
|
|
ALOGE("check_event:cannot open %s(%s)\n"
|
|
, edevname_file
|
|
, strerror(errno));
|
|
}
|
|
int read_count = read(fd, event_devname, sizeof(event_devname));
|
|
if (read_count < 0)
|
|
ALOGE("event_devname read error %d\n", errno);
|
|
close(fd);
|
|
|
|
char *st = NULL;
|
|
st = strstr(event_devname, cmp.string());
|
|
|
|
if ((st != NULL) && (strncmp(cmp.string(), st, 4) == 0)) {
|
|
sprintf(path, "/dev/input/%s", dp->d_name);
|
|
break;
|
|
}
|
|
}
|
|
chdir("..");
|
|
|
|
if (closedir(dfd) < 0)
|
|
printf("close %s failed!\n", input_dir.string());
|
|
}
|
|
|
|
void AudioPlayer::jack_state_detection()
|
|
{
|
|
int fd;
|
|
char path[256];
|
|
memset(path, 0, 256);
|
|
check_event(path);
|
|
|
|
if (strcmp(path,"") == 0) {
|
|
ALOGE("jack_state_detection : invalid event path!\n");
|
|
return;
|
|
} else {
|
|
ALOGD("jack_state_detection : event found %s!\n", path);
|
|
}
|
|
|
|
int read_count;
|
|
struct input_event jack_event;
|
|
|
|
fd = open(path, O_RDONLY | O_NONBLOCK);
|
|
if (fd < 0) {
|
|
ALOGE("cannot open %s(%s)\n", path, strerror(errno));
|
|
return;
|
|
}
|
|
|
|
errno = 0;
|
|
read_count = read(fd, &jack_event, sizeof(jack_event));
|
|
if (read_count<0){
|
|
ALOGE("jack state read error %d(%s)\n", errno, strerror(errno));
|
|
return;
|
|
}
|
|
|
|
switch(jack_event.value) {
|
|
case 1:
|
|
/* open */
|
|
mHeadsetPlugged = true;
|
|
break;
|
|
case 0:
|
|
/* close */
|
|
mHeadsetPlugged = false;
|
|
break;
|
|
default:
|
|
ALOGE("input event error!\n");
|
|
break;
|
|
}
|
|
|
|
close(fd);
|
|
}
|
|
#else
|
|
void AudioPlayer::jack_switch_state_detection(char *path)
|
|
{
|
|
int fd;
|
|
int value = 0;
|
|
|
|
int read_count;
|
|
if (strcmp(path,"") == 0) {
|
|
ALOGE("jack state path is null\n");
|
|
} else {
|
|
ALOGD("jack state read from(%s)\n", path);
|
|
}
|
|
|
|
fd = open(path, O_RDONLY);
|
|
if (fd < 0) {
|
|
ALOGE("cannot open %s(%s)\n", path, strerror(errno));
|
|
return;
|
|
}
|
|
|
|
errno = 0;
|
|
read_count = read(fd, &value, 1);
|
|
value &= 0xF;
|
|
if (read_count<0){
|
|
ALOGE("jack state read error %d(%s)\n", errno, strerror(errno));
|
|
return;
|
|
}
|
|
ALOGD("jack state :value = %d\n", value);
|
|
switch(value) {
|
|
case 1:
|
|
case 2:
|
|
case 3:
|
|
case 4:
|
|
/* open */
|
|
mHeadsetPlugged = true;
|
|
ALOGD("jack has been plugged!");
|
|
break;
|
|
case 0:
|
|
/* close */
|
|
mHeadsetPlugged = false;
|
|
ALOGD("jack has not been plugged!");
|
|
break;
|
|
default:
|
|
ALOGE("switch state error!\n");
|
|
break;
|
|
}
|
|
|
|
close(fd);
|
|
}
|
|
#endif
|
|
|
|
|
|
static int get_card(const char *card_name)
|
|
{
|
|
int ret;
|
|
int fd;
|
|
int i;
|
|
char path[128];
|
|
char name[64];
|
|
|
|
for (i = 0; i < 10; i++) {
|
|
sprintf(path, "/sys/class/sound/card%d/id", i);
|
|
ret = access(path, F_OK);
|
|
if (ret) {
|
|
ALOGW("can't find node %s, use card0", path);
|
|
return 0;
|
|
}
|
|
|
|
fd = open(path, O_RDONLY);
|
|
if (fd <= 0) {
|
|
ALOGW("can't open %s, use card0", path);
|
|
return 0;
|
|
}
|
|
|
|
ret = read(fd, name, sizeof(name));
|
|
close(fd);
|
|
if (ret > 0) {
|
|
name[ret-1] = '\0';
|
|
if (strstr(name, card_name))
|
|
return i;
|
|
}
|
|
}
|
|
|
|
ALOGW("can't find card:%s, use card0", card_name);
|
|
return 0;
|
|
}
|
|
|
|
|
|
static bool setMixerValue(struct mixer* mixer, const char* name, const char* values)
|
|
{
|
|
if (!mixer) {
|
|
ALOGE("no mixer in setMixerValue");
|
|
return false;
|
|
}
|
|
struct mixer_ctl *ctl = mixer_get_ctl_by_name(mixer, name);
|
|
if (!ctl) {
|
|
ALOGE("mixer_get_ctl_by_name failed for %s", name);
|
|
return false;
|
|
}
|
|
|
|
enum mixer_ctl_type type = mixer_ctl_get_type(ctl);
|
|
int numValues = mixer_ctl_get_num_values(ctl);
|
|
int intValue;
|
|
char stringValue[MAX_LINE_LENGTH];
|
|
|
|
for (int i = 0; i < numValues && values; i++) {
|
|
// strip leading space
|
|
while (*values == ' ') values++;
|
|
if (*values == 0) break;
|
|
|
|
switch (type) {
|
|
case MIXER_CTL_TYPE_BOOL:
|
|
case MIXER_CTL_TYPE_INT:
|
|
if (sscanf(values, "%d", &intValue) == 1) {
|
|
if (mixer_ctl_set_value(ctl, i, intValue) != 0) {
|
|
ALOGE("mixer_ctl_set_value failed for %s %d", name, intValue);
|
|
}
|
|
} else {
|
|
ALOGE("Could not parse %s as int for %s", values, name);
|
|
}
|
|
break;
|
|
case MIXER_CTL_TYPE_ENUM:
|
|
if (sscanf(values, "%s", stringValue) == 1) {
|
|
if (mixer_ctl_set_enum_by_string(ctl, stringValue) != 0) {
|
|
ALOGE("mixer_ctl_set_enum_by_string failed for %s %s", name, stringValue);
|
|
}
|
|
} else {
|
|
ALOGE("Could not parse %s as enum for %s", values, name);
|
|
}
|
|
break;
|
|
default:
|
|
ALOGE("unsupported mixer type %d for %s", type, name);
|
|
break;
|
|
}
|
|
|
|
values = strchr(values, ' ');
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
/*
|
|
* Parse the audio configuration file.
|
|
* The file is named audio_conf.txt and must begin with the following header:
|
|
*
|
|
* card=<ALSA card number>
|
|
* device=<ALSA device number>
|
|
* period_size=<period size>
|
|
* period_count=<period count>
|
|
*
|
|
* This header is followed by zero or more mixer settings, each with the format:
|
|
* mixer "<name>" = <value list>
|
|
* Since mixer names can contain spaces, the name must be enclosed in double quotes.
|
|
* The values in the value list can be integers, booleans (represented by 0 or 1)
|
|
* or strings for enum values.
|
|
*/
|
|
bool AudioPlayer::init(const char* config)
|
|
{
|
|
int tempInt;
|
|
struct mixer* mixer = NULL;
|
|
char name[MAX_LINE_LENGTH];
|
|
|
|
for (;;) {
|
|
const char* endl = strstr(config, "\n");
|
|
if (!endl) break;
|
|
String8 line(config, endl - config);
|
|
if (line.length() >= MAX_LINE_LENGTH) {
|
|
ALOGE("Line too long in audio_conf.txt");
|
|
return false;
|
|
}
|
|
const char* l = line.string();
|
|
|
|
if (sscanf(l, "card=%d", &tempInt) == 1) {
|
|
ALOGD("card=%d", tempInt);
|
|
mCard = tempInt;
|
|
|
|
mixer = mixer_open(mCard);
|
|
if (!mixer) {
|
|
ALOGE("could not open mixer for card %d", mCard);
|
|
return false;
|
|
}
|
|
} else if (sscanf(line, "card=%s", name) == 1) {
|
|
mCard = get_card(name);
|
|
ALOGD("card=%s, mCard=%d", name, mCard);
|
|
|
|
mixer = mixer_open(mCard);
|
|
if (!mixer) {
|
|
ALOGE("could not open mixer for card %d", mCard);
|
|
return false;
|
|
}
|
|
}else if (sscanf(l, "device=%d", &tempInt) == 1) {
|
|
ALOGD("device=%d", tempInt);
|
|
mDevice = tempInt;
|
|
} else if (sscanf(l, "period_size=%d", &tempInt) == 1) {
|
|
ALOGD("period_size=%d", tempInt);
|
|
mPeriodSize = tempInt;
|
|
} else if (sscanf(l, "period_count=%d", &tempInt) == 1) {
|
|
ALOGD("period_count=%d", tempInt);
|
|
mPeriodCount = tempInt;
|
|
} else if (sscanf(line, "Headset detection=%s", name) == 1) {
|
|
ALOGD("Headset detection=%s", name);
|
|
//jack_state_detection();
|
|
//jack_switch_state_detection();
|
|
} else if (sscanf(line, "switch_path=%s", name) == 1) {
|
|
ALOGD("switch_path=%s", name);
|
|
String8 switch_path((char *)name);
|
|
mSwitchStatePath = switch_path;
|
|
ALOGD("mSwitchStatePath=%s", mSwitchStatePath.string());
|
|
|
|
//jack_state_detection();
|
|
jack_switch_state_detection((char *)name);
|
|
} else if (sscanf(l, "single_volume_control=%d", &tempInt) == 1) {
|
|
ALOGD("single_volume_control=%d", tempInt);
|
|
if (tempInt)
|
|
mSingleVolumeControl = true;
|
|
else
|
|
mSingleVolumeControl = false;
|
|
} else if (sscanf(line, "speaker_headphones_out=%d", &tempInt) == 1) {
|
|
ALOGD("speaker_headphones_out=%d", tempInt);
|
|
if (tempInt)
|
|
mSpeakerHeadphonesSyncOut= true;
|
|
else
|
|
mSpeakerHeadphonesSyncOut = false;
|
|
} else {
|
|
if (mHeadsetPlugged && !mSpeakerHeadphonesSyncOut) {
|
|
if (sscanf(l, "headset mixer \"%[0-9a-zA-Z _]s\"", name) == 1) {
|
|
const char* values = strchr(l, '=');
|
|
if (values) {
|
|
values++; // skip '='
|
|
ALOGD("name: \"%s\" = %s", name, values);
|
|
setMixerValue(mixer, name, values);
|
|
} else {
|
|
ALOGE("values missing for name: \"%s\"", name);
|
|
}
|
|
}
|
|
} else if(!mSpeakerHeadphonesSyncOut){
|
|
if (sscanf(l, "mixer \"%[0-9a-zA-Z _]s\"", name) == 1) {
|
|
const char* values = strchr(l, '=');
|
|
if (values) {
|
|
values++; // skip '='
|
|
ALOGD("name: \"%s\" = %s", name, values);
|
|
setMixerValue(mixer, name, values);
|
|
} else {
|
|
ALOGE("values missing for name: \"%s\"", name);
|
|
}
|
|
}
|
|
} else{
|
|
if (sscanf(l, "mixer \"%[0-9a-zA-Z _]s\"", name) == 1 || sscanf(l, "headset mixer \"%[0-9a-zA-Z _]s\"", name) == 1) {
|
|
const char* values = strchr(l, '=');
|
|
if (values) {
|
|
values++; // skip '='
|
|
ALOGD("name: \"%s\" = %s", name, values);
|
|
setMixerValue(mixer, name, values);
|
|
} else {
|
|
ALOGE("values missing for name: \"%s\"", name);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
config = ++endl;
|
|
}
|
|
|
|
mixer_close(mixer);
|
|
|
|
if (mCard >= 0 && mDevice >= 0) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void AudioPlayer::playClip(const uint8_t* buf, int size) {
|
|
// stop any currently playing sound
|
|
requestExitAndWait();
|
|
|
|
mWavData = (uint8_t *)buf;
|
|
mWavLength = size;
|
|
run("bootanim audio", PRIORITY_URGENT_AUDIO);
|
|
}
|
|
|
|
bool AudioPlayer::threadLoop()
|
|
{
|
|
struct pcm_config config;
|
|
struct pcm *pcm = NULL;
|
|
bool moreChunks = true;
|
|
const struct chunk_fmt* chunkFmt = NULL;
|
|
int bufferSize;
|
|
const uint8_t* wavData;
|
|
size_t wavLength;
|
|
const struct riff_wave_header* wavHeader;
|
|
|
|
if (mWavData == NULL) {
|
|
ALOGE("mWavData is NULL");
|
|
return false;
|
|
}
|
|
|
|
wavData = (const uint8_t *)mWavData;
|
|
if (!wavData) {
|
|
ALOGE("Could not access WAV file data");
|
|
goto exit;
|
|
}
|
|
wavLength = mWavLength;
|
|
|
|
wavHeader = (const struct riff_wave_header *)wavData;
|
|
if (wavLength < sizeof(*wavHeader) || (wavHeader->riff_id != ID_RIFF) ||
|
|
(wavHeader->wave_id != ID_WAVE)) {
|
|
ALOGE("Error: audio file is not a riff/wave file\n");
|
|
goto exit;
|
|
}
|
|
wavData += sizeof(*wavHeader);
|
|
wavLength -= sizeof(*wavHeader);
|
|
|
|
do {
|
|
const struct chunk_header* chunkHeader = (const struct chunk_header*)wavData;
|
|
if (wavLength < sizeof(*chunkHeader)) {
|
|
ALOGE("EOF reading chunk headers");
|
|
goto exit;
|
|
}
|
|
|
|
wavData += sizeof(*chunkHeader);
|
|
wavLength -= sizeof(*chunkHeader);
|
|
|
|
switch (chunkHeader->id) {
|
|
case ID_FMT:
|
|
chunkFmt = (const struct chunk_fmt *)wavData;
|
|
wavData += chunkHeader->sz;
|
|
wavLength -= chunkHeader->sz;
|
|
break;
|
|
case ID_DATA:
|
|
/* Stop looking for chunks */
|
|
moreChunks = 0;
|
|
break;
|
|
default:
|
|
/* Unknown chunk, skip bytes */
|
|
wavData += chunkHeader->sz;
|
|
wavLength -= chunkHeader->sz;
|
|
}
|
|
} while (moreChunks);
|
|
|
|
if (!chunkFmt) {
|
|
ALOGE("format not found in WAV file");
|
|
goto exit;
|
|
}
|
|
|
|
|
|
memset(&config, 0, sizeof(config));
|
|
config.channels = chunkFmt->num_channels;
|
|
config.rate = chunkFmt->sample_rate;
|
|
config.period_size = mPeriodSize;
|
|
config.period_count = mPeriodCount;
|
|
config.start_threshold = mPeriodSize / 4;
|
|
config.stop_threshold = INT_MAX;
|
|
config.avail_min = config.start_threshold;
|
|
if (chunkFmt->bits_per_sample != 16) {
|
|
ALOGE("only 16 bit WAV files are supported");
|
|
goto exit;
|
|
}
|
|
config.format = PCM_FORMAT_S16_LE;
|
|
|
|
pcm = pcm_open(mCard, mDevice, PCM_OUT, &config);
|
|
if (!pcm || !pcm_is_ready(pcm)) {
|
|
ALOGE("Unable to open PCM device (%s)\n", pcm_get_error(pcm));
|
|
goto exit;
|
|
}
|
|
|
|
bufferSize = pcm_frames_to_bytes(pcm, pcm_get_buffer_size(pcm));
|
|
|
|
while (wavLength > 0) {
|
|
if (exitPending()) goto exit;
|
|
size_t count = bufferSize;
|
|
if (count > wavLength)
|
|
count = wavLength;
|
|
|
|
if (pcm_write(pcm, wavData, count)) {
|
|
ALOGE("pcm_write failed (%s)", pcm_get_error(pcm));
|
|
goto exit;
|
|
}
|
|
wavData += count;
|
|
wavLength -= count;
|
|
}
|
|
|
|
exit:
|
|
if (pcm)
|
|
pcm_close(pcm);
|
|
return false;
|
|
}
|
|
|
|
} // namespace android
|