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/*
* Copyright (C) 2015 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 "Stream"
#include <cutils/log.h>
#include <stdio.h>
#include <hardware/camera3.h>
#include <hardware/gralloc.h>
#include <system/graphics.h>
#include <utils/Mutex.h>
#define ATRACE_TAG (ATRACE_TAG_CAMERA | ATRACE_TAG_HAL)
#include <utils/Trace.h>
#include "Stream.h"
namespace usb_camera_hal {
Stream::Stream(int id, camera3_stream_t *s)
: mReuse(false),
mId(id),
mStream(s){
}
Stream::~Stream() {
for (size_t i = 0; i < mBuffers.size(); i++) {
delete mBuffers[i];
}
mBuffers.clear();
}
void Stream::setUsage(uint32_t usage) {
android::Mutex::Autolock al(mLock);
if (usage != mStream->usage) {
mStream->usage = usage;
}
}
void Stream::setMaxBuffers(uint32_t max_buffers) {
android::Mutex::Autolock al(mLock);
if (max_buffers != mStream->max_buffers) {
mStream->max_buffers = max_buffers;
}
}
int Stream::getType() {
return mStream->stream_type;
}
bool Stream::isInputType() {
return mStream->stream_type == CAMERA3_STREAM_INPUT ||
mStream->stream_type == CAMERA3_STREAM_BIDIRECTIONAL;
}
bool Stream::isOutputType() {
return mStream->stream_type == CAMERA3_STREAM_OUTPUT ||
mStream->stream_type == CAMERA3_STREAM_BIDIRECTIONAL;
}
const char* Stream::typeToString(int type) {
switch (type) {
case CAMERA3_STREAM_INPUT:
return "CAMERA3_STREAM_INPUT";
case CAMERA3_STREAM_OUTPUT:
return "CAMERA3_STREAM_OUTPUT";
case CAMERA3_STREAM_BIDIRECTIONAL:
return "CAMERA3_STREAM_BIDIRECTIONAL";
}
return "Invalid stream type!";
}
const char* Stream::formatToString(int format) {
// See <system/graphics.h> for full list
switch (format) {
case HAL_PIXEL_FORMAT_BGRA_8888:
return "BGRA 8888";
case HAL_PIXEL_FORMAT_RGBA_8888:
return "RGBA 8888";
case HAL_PIXEL_FORMAT_RGBX_8888:
return "RGBX 8888";
case HAL_PIXEL_FORMAT_RGB_888:
return "RGB 888";
case HAL_PIXEL_FORMAT_RGB_565:
return "RGB 565";
case HAL_PIXEL_FORMAT_Y8:
return "Y8";
case HAL_PIXEL_FORMAT_Y16:
return "Y16";
case HAL_PIXEL_FORMAT_YV12:
return "YV12";
case HAL_PIXEL_FORMAT_YCbCr_422_SP:
return "NV16";
case HAL_PIXEL_FORMAT_YCrCb_420_SP:
return "NV21";
case HAL_PIXEL_FORMAT_YCbCr_422_I:
return "YUY2";
case HAL_PIXEL_FORMAT_RAW10:
return "RAW10";
case HAL_PIXEL_FORMAT_RAW16:
return "RAW16";
case HAL_PIXEL_FORMAT_BLOB:
return "BLOB";
case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED:
return "IMPLEMENTATION DEFINED";
case HAL_PIXEL_FORMAT_YCbCr_420_888:
return "FLEXIBLE YCbCr 420 888";
}
return "Invalid stream format!";
}
bool Stream::isValidReuseStream(int id, camera3_stream_t *s) {
if (id != mId) {
ALOGE("%s:%d: Invalid camera id for reuse. Got %d expect %d",
__func__, mId, id, mId);
return false;
}
if (s != mStream) {
ALOGE("%s:%d: Invalid stream handle for reuse. Got %p expect %p",
__func__, mId, s, mStream);
return false;
}
if (s->stream_type != mStream->stream_type) {
ALOGE("%s:%d: Mismatched type in reused stream. Got %s(%d) "
"expect %s(%d)", __func__, mId, typeToString(s->stream_type),
s->stream_type, typeToString(mStream->stream_type), mStream->stream_type);
return false;
}
if (s->format != mStream->format) {
ALOGE("%s:%d: Mismatched format in reused stream. Got %s(%d) "
"expect %s(%d)", __func__, mId, formatToString(s->format),
s->format, formatToString(mStream->format), mStream->format);
return false;
}
if (s->width != mStream->width) {
ALOGE("%s:%d: Mismatched width in reused stream. Got %d expect %d",
__func__, mId, s->width, mStream->width);
return false;
}
if (s->height != mStream->height) {
ALOGE("%s:%d: Mismatched height in reused stream. Got %d expect %d",
__func__, mId, s->height, mStream->height);
return false;
}
return true;
}
void Stream::dump(int fd) {
android::Mutex::Autolock al(mLock);
dprintf(fd, "Stream ID: %d (%p)\n", mId, mStream);
dprintf(fd, "Stream Type: %s (%d)\n", typeToString(mStream->stream_type), mStream->stream_type);
dprintf(fd, "Width: %" PRIu32 " Height: %" PRIu32 "\n", mStream->width, mStream->height);
dprintf(fd, "Stream Format: %s (%d)", formatToString(mStream->format), mStream->format);
// ToDo: prettyprint usage mask flags
dprintf(fd, "Gralloc Usage Mask: %#" PRIx32 "\n", mStream->usage);
dprintf(fd, "Max Buffer Count: %" PRIu32 "\n", mStream->max_buffers);
dprintf(fd, "Number of Buffers in use by HAL: %" PRIu32 "\n", mBuffers.size());
for (size_t i = 0; i < mBuffers.size(); i++) {
dprintf(fd, "Buffer %" PRIu32 "/%" PRIu32 ": %p\n", i, mBuffers.size(),
mBuffers[i]);
}
}
} // namespace usb_camera_hal
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