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Diffstat (limited to 'cmds/bootanimation/AudioPlayer.cpp')
-rw-r--r--cmds/bootanimation/AudioPlayer.cpp317
1 files changed, 0 insertions, 317 deletions
diff --git a/cmds/bootanimation/AudioPlayer.cpp b/cmds/bootanimation/AudioPlayer.cpp
deleted file mode 100644
index f5acac485c81..000000000000
--- a/cmds/bootanimation/AudioPlayer.cpp
+++ /dev/null
@@ -1,317 +0,0 @@
-/*
- * 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 <utils/String8.h>
-#include <media/AudioSystem.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),
- mPeriodSize(0),
- mPeriodCount(0),
- mCurrentFile(NULL)
-{
-}
-
-AudioPlayer::~AudioPlayer() {
-}
-
-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];
-
- // Fake call to wait for audio HAL initialization completion
- AudioSystem::getParameters(String8(""));
-
- 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(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(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);
- }
- }
- config = ++endl;
- }
-
- mixer_close(mixer);
-
- if (mCard >= 0 && mDevice >= 0) {
- return true;
- }
-
- return false;
-}
-
-void AudioPlayer::playFile(FileMap* fileMap) {
- // stop any currently playing sound
- requestExitAndWait();
-
- mCurrentFile = fileMap;
- 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 (mCurrentFile == NULL) {
- ALOGE("mCurrentFile is NULL");
- return false;
- }
-
- wavData = (const uint8_t *)mCurrentFile->getDataPtr();
- if (!wavData) {
- ALOGE("Could not access WAV file data");
- goto exit;
- }
- wavLength = mCurrentFile->getDataLength();
-
- 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);
- delete mCurrentFile;
- mCurrentFile = NULL;
- return false;
-}
-
-} // namespace android
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