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authorJames Dong <jdong@google.com>2012-03-28 10:42:44 -0700
committerJames Dong <jdong@google.com>2012-03-28 10:42:44 -0700
commitd927a1d99630c05ff773f0e9e8791ca9a965e020 (patch)
tree760f8a19e317d68f937eda312efab59200880ecd /media/libeffects/visualizer/EffectVisualizer.cpp
parentf9c1f9935b349fe1a3f27be4462026dd212f8b78 (diff)
Deleted the media, camera, drm related files since they are relocated
Change-Id: I9bc5573ee07e30b305b5b879023aa9ec69e10b91
Diffstat (limited to 'media/libeffects/visualizer/EffectVisualizer.cpp')
-rw-r--r--media/libeffects/visualizer/EffectVisualizer.cpp534
1 files changed, 0 insertions, 534 deletions
diff --git a/media/libeffects/visualizer/EffectVisualizer.cpp b/media/libeffects/visualizer/EffectVisualizer.cpp
deleted file mode 100644
index bdb1a1cd969c..000000000000
--- a/media/libeffects/visualizer/EffectVisualizer.cpp
+++ /dev/null
@@ -1,534 +0,0 @@
-/*
- * Copyright (C) 2010 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_TAG "Visualizer"
-//#define LOG_NDEBUG 0
-#include <cutils/log.h>
-#include <assert.h>
-#include <stdlib.h>
-#include <string.h>
-#include <new>
-#include <time.h>
-#include <audio_effects/effect_visualizer.h>
-
-
-extern "C" {
-
-// effect_handle_t interface implementation for visualizer effect
-extern const struct effect_interface_s gVisualizerInterface;
-
-// Google Visualizer UUID: d069d9e0-8329-11df-9168-0002a5d5c51b
-const effect_descriptor_t gVisualizerDescriptor = {
- {0xe46b26a0, 0xdddd, 0x11db, 0x8afd, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}}, // type
- {0xd069d9e0, 0x8329, 0x11df, 0x9168, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}}, // uuid
- EFFECT_CONTROL_API_VERSION,
- (EFFECT_FLAG_TYPE_INSERT | EFFECT_FLAG_INSERT_FIRST),
- 0, // TODO
- 1,
- "Visualizer",
- "The Android Open Source Project",
-};
-
-enum visualizer_state_e {
- VISUALIZER_STATE_UNINITIALIZED,
- VISUALIZER_STATE_INITIALIZED,
- VISUALIZER_STATE_ACTIVE,
-};
-
-// maximum time since last capture buffer update before resetting capture buffer. This means
-// that the framework has stopped playing audio and we must start returning silence
-#define MAX_STALL_TIME_MS 1000
-
-struct VisualizerContext {
- const struct effect_interface_s *mItfe;
- effect_config_t mConfig;
- uint32_t mCaptureIdx;
- uint32_t mCaptureSize;
- uint8_t mState;
- uint8_t mCurrentBuf;
- uint8_t mLastBuf;
- struct timespec mBufferUpdateTime;
- uint8_t mCaptureBuf[2][VISUALIZER_CAPTURE_SIZE_MAX];
-};
-
-//
-//--- Local functions
-//
-
-void Visualizer_reset(VisualizerContext *pContext)
-{
- pContext->mCaptureIdx = 0;
- pContext->mCurrentBuf = 0;
- pContext->mLastBuf = 1;
- pContext->mBufferUpdateTime.tv_sec = 0;
- memset(pContext->mCaptureBuf[0], 0x80, VISUALIZER_CAPTURE_SIZE_MAX);
- memset(pContext->mCaptureBuf[1], 0x80, VISUALIZER_CAPTURE_SIZE_MAX);
-}
-
-//----------------------------------------------------------------------------
-// Visualizer_setConfig()
-//----------------------------------------------------------------------------
-// Purpose: Set input and output audio configuration.
-//
-// Inputs:
-// pContext: effect engine context
-// pConfig: pointer to effect_config_t structure holding input and output
-// configuration parameters
-//
-// Outputs:
-//
-//----------------------------------------------------------------------------
-
-int Visualizer_setConfig(VisualizerContext *pContext, effect_config_t *pConfig)
-{
- ALOGV("Visualizer_setConfig start");
-
- if (pConfig->inputCfg.samplingRate != pConfig->outputCfg.samplingRate) return -EINVAL;
- if (pConfig->inputCfg.channels != pConfig->outputCfg.channels) return -EINVAL;
- if (pConfig->inputCfg.format != pConfig->outputCfg.format) return -EINVAL;
- if (pConfig->inputCfg.channels != AUDIO_CHANNEL_OUT_STEREO) return -EINVAL;
- if (pConfig->outputCfg.accessMode != EFFECT_BUFFER_ACCESS_WRITE &&
- pConfig->outputCfg.accessMode != EFFECT_BUFFER_ACCESS_ACCUMULATE) return -EINVAL;
- if (pConfig->inputCfg.format != AUDIO_FORMAT_PCM_16_BIT) return -EINVAL;
-
- memcpy(&pContext->mConfig, pConfig, sizeof(effect_config_t));
-
- Visualizer_reset(pContext);
-
- return 0;
-}
-
-
-//----------------------------------------------------------------------------
-// Visualizer_getConfig()
-//----------------------------------------------------------------------------
-// Purpose: Get input and output audio configuration.
-//
-// Inputs:
-// pContext: effect engine context
-// pConfig: pointer to effect_config_t structure holding input and output
-// configuration parameters
-//
-// Outputs:
-//
-//----------------------------------------------------------------------------
-
-void Visualizer_getConfig(VisualizerContext *pContext, effect_config_t *pConfig)
-{
- memcpy(pConfig, &pContext->mConfig, sizeof(effect_config_t));
-}
-
-
-//----------------------------------------------------------------------------
-// Visualizer_init()
-//----------------------------------------------------------------------------
-// Purpose: Initialize engine with default configuration.
-//
-// Inputs:
-// pContext: effect engine context
-//
-// Outputs:
-//
-//----------------------------------------------------------------------------
-
-int Visualizer_init(VisualizerContext *pContext)
-{
- pContext->mConfig.inputCfg.accessMode = EFFECT_BUFFER_ACCESS_READ;
- pContext->mConfig.inputCfg.channels = AUDIO_CHANNEL_OUT_STEREO;
- pContext->mConfig.inputCfg.format = AUDIO_FORMAT_PCM_16_BIT;
- pContext->mConfig.inputCfg.samplingRate = 44100;
- pContext->mConfig.inputCfg.bufferProvider.getBuffer = NULL;
- pContext->mConfig.inputCfg.bufferProvider.releaseBuffer = NULL;
- pContext->mConfig.inputCfg.bufferProvider.cookie = NULL;
- pContext->mConfig.inputCfg.mask = EFFECT_CONFIG_ALL;
- pContext->mConfig.outputCfg.accessMode = EFFECT_BUFFER_ACCESS_ACCUMULATE;
- pContext->mConfig.outputCfg.channels = AUDIO_CHANNEL_OUT_STEREO;
- pContext->mConfig.outputCfg.format = AUDIO_FORMAT_PCM_16_BIT;
- pContext->mConfig.outputCfg.samplingRate = 44100;
- pContext->mConfig.outputCfg.bufferProvider.getBuffer = NULL;
- pContext->mConfig.outputCfg.bufferProvider.releaseBuffer = NULL;
- pContext->mConfig.outputCfg.bufferProvider.cookie = NULL;
- pContext->mConfig.outputCfg.mask = EFFECT_CONFIG_ALL;
-
- pContext->mCaptureSize = VISUALIZER_CAPTURE_SIZE_MAX;
-
- Visualizer_setConfig(pContext, &pContext->mConfig);
-
- return 0;
-}
-
-//
-//--- Effect Library Interface Implementation
-//
-
-int VisualizerLib_QueryNumberEffects(uint32_t *pNumEffects) {
- *pNumEffects = 1;
- return 0;
-}
-
-int VisualizerLib_QueryEffect(uint32_t index,
- effect_descriptor_t *pDescriptor) {
- if (pDescriptor == NULL) {
- return -EINVAL;
- }
- if (index > 0) {
- return -EINVAL;
- }
- memcpy(pDescriptor, &gVisualizerDescriptor, sizeof(effect_descriptor_t));
- return 0;
-}
-
-int VisualizerLib_Create(const effect_uuid_t *uuid,
- int32_t sessionId,
- int32_t ioId,
- effect_handle_t *pHandle) {
- int ret;
- int i;
-
- if (pHandle == NULL || uuid == NULL) {
- return -EINVAL;
- }
-
- if (memcmp(uuid, &gVisualizerDescriptor.uuid, sizeof(effect_uuid_t)) != 0) {
- return -EINVAL;
- }
-
- VisualizerContext *pContext = new VisualizerContext;
-
- pContext->mItfe = &gVisualizerInterface;
- pContext->mState = VISUALIZER_STATE_UNINITIALIZED;
-
- ret = Visualizer_init(pContext);
- if (ret < 0) {
- ALOGW("VisualizerLib_Create() init failed");
- delete pContext;
- return ret;
- }
-
- *pHandle = (effect_handle_t)pContext;
-
- pContext->mState = VISUALIZER_STATE_INITIALIZED;
-
- ALOGV("VisualizerLib_Create %p", pContext);
-
- return 0;
-
-}
-
-int VisualizerLib_Release(effect_handle_t handle) {
- VisualizerContext * pContext = (VisualizerContext *)handle;
-
- ALOGV("VisualizerLib_Release %p", handle);
- if (pContext == NULL) {
- return -EINVAL;
- }
- pContext->mState = VISUALIZER_STATE_UNINITIALIZED;
- delete pContext;
-
- return 0;
-}
-
-int VisualizerLib_GetDescriptor(const effect_uuid_t *uuid,
- effect_descriptor_t *pDescriptor) {
-
- if (pDescriptor == NULL || uuid == NULL){
- ALOGV("VisualizerLib_GetDescriptor() called with NULL pointer");
- return -EINVAL;
- }
-
- if (memcmp(uuid, &gVisualizerDescriptor.uuid, sizeof(effect_uuid_t)) == 0) {
- memcpy(pDescriptor, &gVisualizerDescriptor, sizeof(effect_descriptor_t));
- return 0;
- }
-
- return -EINVAL;
-} /* end VisualizerLib_GetDescriptor */
-
-//
-//--- Effect Control Interface Implementation
-//
-
-static inline int16_t clamp16(int32_t sample)
-{
- if ((sample>>15) ^ (sample>>31))
- sample = 0x7FFF ^ (sample>>31);
- return sample;
-}
-
-int Visualizer_process(
- effect_handle_t self,audio_buffer_t *inBuffer, audio_buffer_t *outBuffer)
-{
- VisualizerContext * pContext = (VisualizerContext *)self;
-
- if (pContext == NULL) {
- return -EINVAL;
- }
-
- if (inBuffer == NULL || inBuffer->raw == NULL ||
- outBuffer == NULL || outBuffer->raw == NULL ||
- inBuffer->frameCount != outBuffer->frameCount ||
- inBuffer->frameCount == 0) {
- return -EINVAL;
- }
-
- // all code below assumes stereo 16 bit PCM output and input
-
- // derive capture scaling factor from peak value in current buffer
- // this gives more interesting captures for display.
- int32_t shift = 32;
- int len = inBuffer->frameCount * 2;
- for (int i = 0; i < len; i++) {
- int32_t smp = inBuffer->s16[i];
- if (smp < 0) smp = -smp - 1; // take care to keep the max negative in range
- int32_t clz = __builtin_clz(smp);
- if (shift > clz) shift = clz;
- }
- // A maximum amplitude signal will have 17 leading zeros, which we want to
- // translate to a shift of 8 (for converting 16 bit to 8 bit)
- shift = 25 - shift;
- // Never scale by less than 8 to avoid returning unaltered PCM signal.
- if (shift < 3) {
- shift = 3;
- }
- // add one to combine the division by 2 needed after summing left and right channels below
- shift++;
-
- uint32_t captIdx;
- uint32_t inIdx;
- uint8_t *buf = pContext->mCaptureBuf[pContext->mCurrentBuf];
- for (inIdx = 0, captIdx = pContext->mCaptureIdx;
- inIdx < inBuffer->frameCount && captIdx < pContext->mCaptureSize;
- inIdx++, captIdx++) {
- int32_t smp = inBuffer->s16[2 * inIdx] + inBuffer->s16[2 * inIdx + 1];
- smp = smp >> shift;
- buf[captIdx] = ((uint8_t)smp)^0x80;
- }
- pContext->mCaptureIdx = captIdx;
-
- // go to next buffer when buffer full
- if (pContext->mCaptureIdx == pContext->mCaptureSize) {
- pContext->mCurrentBuf ^= 1;
- pContext->mCaptureIdx = 0;
-
- // update last buffer update time stamp
- if (clock_gettime(CLOCK_MONOTONIC, &pContext->mBufferUpdateTime) < 0) {
- pContext->mBufferUpdateTime.tv_sec = 0;
- }
- }
-
- if (inBuffer->raw != outBuffer->raw) {
- if (pContext->mConfig.outputCfg.accessMode == EFFECT_BUFFER_ACCESS_ACCUMULATE) {
- for (size_t i = 0; i < outBuffer->frameCount*2; i++) {
- outBuffer->s16[i] = clamp16(outBuffer->s16[i] + inBuffer->s16[i]);
- }
- } else {
- memcpy(outBuffer->raw, inBuffer->raw, outBuffer->frameCount * 2 * sizeof(int16_t));
- }
- }
- if (pContext->mState != VISUALIZER_STATE_ACTIVE) {
- return -ENODATA;
- }
- return 0;
-} // end Visualizer_process
-
-int Visualizer_command(effect_handle_t self, uint32_t cmdCode, uint32_t cmdSize,
- void *pCmdData, uint32_t *replySize, void *pReplyData) {
-
- VisualizerContext * pContext = (VisualizerContext *)self;
- int retsize;
-
- if (pContext == NULL || pContext->mState == VISUALIZER_STATE_UNINITIALIZED) {
- return -EINVAL;
- }
-
-// ALOGV("Visualizer_command command %d cmdSize %d",cmdCode, cmdSize);
-
- switch (cmdCode) {
- case EFFECT_CMD_INIT:
- if (pReplyData == NULL || *replySize != sizeof(int)) {
- return -EINVAL;
- }
- *(int *) pReplyData = Visualizer_init(pContext);
- break;
- case EFFECT_CMD_SET_CONFIG:
- if (pCmdData == NULL || cmdSize != sizeof(effect_config_t)
- || pReplyData == NULL || *replySize != sizeof(int)) {
- return -EINVAL;
- }
- *(int *) pReplyData = Visualizer_setConfig(pContext,
- (effect_config_t *) pCmdData);
- break;
- case EFFECT_CMD_GET_CONFIG:
- if (pReplyData == NULL ||
- *replySize != sizeof(effect_config_t)) {
- return -EINVAL;
- }
- Visualizer_getConfig(pContext, (effect_config_t *)pReplyData);
- break;
- case EFFECT_CMD_RESET:
- Visualizer_reset(pContext);
- break;
- case EFFECT_CMD_ENABLE:
- if (pReplyData == NULL || *replySize != sizeof(int)) {
- return -EINVAL;
- }
- if (pContext->mState != VISUALIZER_STATE_INITIALIZED) {
- return -ENOSYS;
- }
- pContext->mState = VISUALIZER_STATE_ACTIVE;
- ALOGV("EFFECT_CMD_ENABLE() OK");
- *(int *)pReplyData = 0;
- break;
- case EFFECT_CMD_DISABLE:
- if (pReplyData == NULL || *replySize != sizeof(int)) {
- return -EINVAL;
- }
- if (pContext->mState != VISUALIZER_STATE_ACTIVE) {
- return -ENOSYS;
- }
- pContext->mState = VISUALIZER_STATE_INITIALIZED;
- ALOGV("EFFECT_CMD_DISABLE() OK");
- *(int *)pReplyData = 0;
- break;
- case EFFECT_CMD_GET_PARAM: {
- if (pCmdData == NULL ||
- cmdSize != (int)(sizeof(effect_param_t) + sizeof(uint32_t)) ||
- pReplyData == NULL ||
- *replySize < (int)(sizeof(effect_param_t) + sizeof(uint32_t) + sizeof(uint32_t))) {
- return -EINVAL;
- }
- memcpy(pReplyData, pCmdData, sizeof(effect_param_t) + sizeof(uint32_t));
- effect_param_t *p = (effect_param_t *)pReplyData;
- p->status = 0;
- *replySize = sizeof(effect_param_t) + sizeof(uint32_t);
- if (p->psize != sizeof(uint32_t) ||
- *(uint32_t *)p->data != VISUALIZER_PARAM_CAPTURE_SIZE) {
- p->status = -EINVAL;
- break;
- }
- ALOGV("get mCaptureSize = %d", pContext->mCaptureSize);
- *((uint32_t *)p->data + 1) = pContext->mCaptureSize;
- p->vsize = sizeof(uint32_t);
- *replySize += sizeof(uint32_t);
- } break;
- case EFFECT_CMD_SET_PARAM: {
- if (pCmdData == NULL ||
- cmdSize != (int)(sizeof(effect_param_t) + sizeof(uint32_t) + sizeof(uint32_t)) ||
- pReplyData == NULL || *replySize != sizeof(int32_t)) {
- return -EINVAL;
- }
- *(int32_t *)pReplyData = 0;
- effect_param_t *p = (effect_param_t *)pCmdData;
- if (p->psize != sizeof(uint32_t) ||
- p->vsize != sizeof(uint32_t) ||
- *(uint32_t *)p->data != VISUALIZER_PARAM_CAPTURE_SIZE) {
- *(int32_t *)pReplyData = -EINVAL;
- break;;
- }
- pContext->mCaptureSize = *((uint32_t *)p->data + 1);
- ALOGV("set mCaptureSize = %d", pContext->mCaptureSize);
- } break;
- case EFFECT_CMD_SET_DEVICE:
- case EFFECT_CMD_SET_VOLUME:
- case EFFECT_CMD_SET_AUDIO_MODE:
- break;
-
-
- case VISUALIZER_CMD_CAPTURE:
- if (pReplyData == NULL || *replySize != pContext->mCaptureSize) {
- ALOGV("VISUALIZER_CMD_CAPTURE() error *replySize %d pContext->mCaptureSize %d",
- *replySize, pContext->mCaptureSize);
- return -EINVAL;
- }
- if (pContext->mState == VISUALIZER_STATE_ACTIVE) {
- memcpy(pReplyData,
- pContext->mCaptureBuf[pContext->mCurrentBuf ^ 1],
- pContext->mCaptureSize);
- // if audio framework has stopped playing audio although the effect is still
- // active we must clear the capture buffer to return silence
- if ((pContext->mLastBuf == pContext->mCurrentBuf) &&
- (pContext->mBufferUpdateTime.tv_sec != 0)) {
- struct timespec ts;
- if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
- time_t secs = ts.tv_sec - pContext->mBufferUpdateTime.tv_sec;
- long nsec = ts.tv_nsec - pContext->mBufferUpdateTime.tv_nsec;
- if (nsec < 0) {
- --secs;
- nsec += 1000000000;
- }
- uint32_t deltaMs = secs * 1000 + nsec / 1000000;
- if (deltaMs > MAX_STALL_TIME_MS) {
- ALOGV("capture going to idle");
- pContext->mBufferUpdateTime.tv_sec = 0;
- memset(pContext->mCaptureBuf[pContext->mCurrentBuf ^ 1],
- 0x80,
- pContext->mCaptureSize);
- }
- }
- }
- pContext->mLastBuf = pContext->mCurrentBuf;
- } else {
- memset(pReplyData, 0x80, pContext->mCaptureSize);
- }
-
- break;
-
- default:
- ALOGW("Visualizer_command invalid command %d",cmdCode);
- return -EINVAL;
- }
-
- return 0;
-}
-
-/* Effect Control Interface Implementation: get_descriptor */
-int Visualizer_getDescriptor(effect_handle_t self,
- effect_descriptor_t *pDescriptor)
-{
- VisualizerContext * pContext = (VisualizerContext *) self;
-
- if (pContext == NULL || pDescriptor == NULL) {
- ALOGV("Visualizer_getDescriptor() invalid param");
- return -EINVAL;
- }
-
- memcpy(pDescriptor, &gVisualizerDescriptor, sizeof(effect_descriptor_t));
-
- return 0;
-} /* end Visualizer_getDescriptor */
-
-// effect_handle_t interface implementation for visualizer effect
-const struct effect_interface_s gVisualizerInterface = {
- Visualizer_process,
- Visualizer_command,
- Visualizer_getDescriptor,
- NULL,
-};
-
-
-audio_effect_library_t AUDIO_EFFECT_LIBRARY_INFO_SYM = {
- tag : AUDIO_EFFECT_LIBRARY_TAG,
- version : EFFECT_LIBRARY_API_VERSION,
- name : "Visualizer Library",
- implementor : "The Android Open Source Project",
- query_num_effects : VisualizerLib_QueryNumberEffects,
- query_effect : VisualizerLib_QueryEffect,
- create_effect : VisualizerLib_Create,
- release_effect : VisualizerLib_Release,
- get_descriptor : VisualizerLib_GetDescriptor,
-};
-
-}; // extern "C"