mirror of
https://github.com/opencv/opencv.git
synced 2024-11-24 11:10:21 +08:00
fix #22490
This commit is contained in:
Dan
parent
8af4fe9ed3
commit
122250b554
@ -13,14 +13,17 @@
|
||||
#include <sys/types.h>
|
||||
#include <fcntl.h>
|
||||
#include <android/log.h>
|
||||
|
||||
#include <android/native_window.h>
|
||||
#include "media/NdkMediaCodec.h"
|
||||
#include "media/NdkMediaMuxer.h"
|
||||
#include "media/NdkMediaExtractor.h"
|
||||
#include "media/NdkMediaFormat.h"
|
||||
|
||||
#define INPUT_TIMEOUT_MS 2000
|
||||
|
||||
#define COLOR_FormatYUV420Planar 19
|
||||
#define COLOR_FormatYUV420SemiPlanar 21
|
||||
#define COLOR_FormatSurface 0x7f000789 //See https://developer.android.com/reference/android/media/MediaCodecInfo.CodecCapabilities for codes
|
||||
|
||||
using namespace cv;
|
||||
|
||||
@ -327,6 +330,341 @@ public:
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
|
||||
class AndroidMediaNdkVideoWriter CV_FINAL :
|
||||
public cv::IVideoWriter
|
||||
{
|
||||
typedef struct {
|
||||
int fourcc;
|
||||
const char* mime;
|
||||
OutputFormat muxerFormat;
|
||||
}
|
||||
FourCCInfo;
|
||||
|
||||
static const int64_t TIMEOUT = 1000L;
|
||||
static const FourCCInfo FOURCC_INFO[];
|
||||
|
||||
static const FourCCInfo* findInfo(int fourcc) {
|
||||
for( const FourCCInfo *it = FOURCC_INFO; NULL != it->mime; it++ ) {
|
||||
if (fourcc == it->fourcc) return it;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
AMediaFormat* format;
|
||||
AMediaCodec* encoder;
|
||||
AMediaMuxer* muxer;
|
||||
|
||||
#if __ANDROID_API__ >= 26
|
||||
ANativeWindow* surface;
|
||||
#endif
|
||||
|
||||
long frameIndex;
|
||||
int width;
|
||||
int height;
|
||||
double frameRate;
|
||||
ssize_t videoTrackIndex;
|
||||
int fd;
|
||||
|
||||
void drainEncoder(bool end) {
|
||||
if (end) {
|
||||
#if __ANDROID_API__ >= 26
|
||||
AMediaCodec_signalEndOfInputStream(encoder);
|
||||
#else
|
||||
writeBytes(NULL, 0);
|
||||
#endif
|
||||
}
|
||||
|
||||
AMediaCodecBufferInfo bufferInfo;
|
||||
ssize_t bufferIndex;
|
||||
size_t bufferSize;
|
||||
uint8_t *buffer;
|
||||
|
||||
while (true) {
|
||||
bufferIndex = AMediaCodec_dequeueOutputBuffer(encoder, &bufferInfo, TIMEOUT);
|
||||
if (bufferIndex >= 0) {
|
||||
buffer = AMediaCodec_getOutputBuffer(encoder, (size_t)bufferIndex, &bufferSize);
|
||||
|
||||
if (NULL == buffer || 0 == bufferSize){
|
||||
LOGE("Can't get output buffer");
|
||||
break;
|
||||
}
|
||||
|
||||
if (videoTrackIndex >= 0) {
|
||||
bufferInfo.presentationTimeUs = frameIndex * 1000000L / frameRate;
|
||||
LOGV("Muxer write to track %d: %d byte(s)", (int)videoTrackIndex, (int)bufferInfo.size);
|
||||
AMediaMuxer_writeSampleData(muxer, (size_t)videoTrackIndex, buffer, &bufferInfo);
|
||||
} else {
|
||||
LOGE("Invalid video track !");
|
||||
}
|
||||
|
||||
AMediaCodec_releaseOutputBuffer(encoder, (size_t)bufferIndex, false);
|
||||
if (bufferInfo.flags & AMEDIACODEC_BUFFER_FLAG_END_OF_STREAM) break;
|
||||
} else if (AMEDIACODEC_INFO_TRY_AGAIN_LATER == bufferIndex) {
|
||||
if (!end) break;
|
||||
} else if (AMEDIACODEC_INFO_OUTPUT_FORMAT_CHANGED == bufferIndex) {
|
||||
videoTrackIndex = AMediaMuxer_addTrack(muxer, AMediaCodec_getOutputFormat(encoder));
|
||||
if (videoTrackIndex >= 0) {
|
||||
AMediaMuxer_start(muxer);
|
||||
}
|
||||
LOGV("New videoTrackIndex: %d", (int)videoTrackIndex);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#if __ANDROID_API__ < 26
|
||||
void writeBytes( uint8_t* inputBuffer, size_t inputBufferSize ) {
|
||||
LOGV("[writeBytes] inputBufferSize=%u", (unsigned int)inputBufferSize);
|
||||
|
||||
ssize_t bufferIndex;
|
||||
size_t bufferSize;
|
||||
uint8_t* buffer;
|
||||
size_t partialSize;
|
||||
bool firstCall = true;
|
||||
uint32_t flags;
|
||||
|
||||
while(inputBufferSize > 0 || firstCall) {
|
||||
bufferIndex = AMediaCodec_dequeueInputBuffer(encoder, TIMEOUT);
|
||||
|
||||
if (bufferIndex >= 0) {
|
||||
firstCall = false;
|
||||
buffer = AMediaCodec_getInputBuffer(encoder, (size_t)bufferIndex, &bufferSize);
|
||||
if (NULL == buffer || 0 == bufferSize) break;
|
||||
|
||||
flags = 0;
|
||||
partialSize = (inputBufferSize > bufferSize) ? bufferSize : inputBufferSize;
|
||||
if (partialSize > 0) {
|
||||
memcpy(buffer, inputBuffer, partialSize);
|
||||
inputBuffer += partialSize;
|
||||
inputBufferSize -= partialSize;
|
||||
if (inputBufferSize > 0) {
|
||||
flags = AMEDIACODEC_BUFFER_FLAG_PARTIAL_FRAME;
|
||||
}
|
||||
} else {
|
||||
flags = AMEDIACODEC_BUFFER_FLAG_END_OF_STREAM;
|
||||
}
|
||||
|
||||
LOGV(
|
||||
"[writeBytes] partial - bufferIndex=%d, bufferSize=%u, partialSize=%u, remaining inputBufferSize=%u",
|
||||
(int)bufferIndex, (unsigned int)bufferSize, (unsigned int)partialSize, (unsigned int)inputBufferSize
|
||||
);
|
||||
|
||||
AMediaCodec_queueInputBuffer(encoder, (size_t)bufferIndex, 0, partialSize, frameIndex * 1000000L / frameRate, flags);
|
||||
if (NULL != inputBuffer) drainEncoder(false);
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
public:
|
||||
AndroidMediaNdkVideoWriter(const cv::String& filename, int fourcc, double fps, cv::Size frameSize, const VideoWriterParameters& params)
|
||||
: format(NULL),
|
||||
encoder(NULL),
|
||||
muxer(NULL),
|
||||
#if __ANDROID_API__ >= 26
|
||||
surface(NULL),
|
||||
#endif
|
||||
frameIndex(0),
|
||||
width(0),
|
||||
height(0),
|
||||
frameRate(0.),
|
||||
videoTrackIndex(-1),
|
||||
fd(-1) {
|
||||
open(filename, fourcc, fps, frameSize, params);
|
||||
}
|
||||
virtual ~AndroidMediaNdkVideoWriter() { close(); }
|
||||
|
||||
virtual int getCaptureDomain() const CV_OVERRIDE { return cv::CAP_ANDROID; }
|
||||
|
||||
virtual void write(cv::InputArray image_ ) CV_OVERRIDE
|
||||
{
|
||||
if (!image_.isMat()) {
|
||||
LOGE("Support only Mat input");
|
||||
return;
|
||||
}
|
||||
|
||||
Mat image = image_.getMat();
|
||||
if (CV_8UC3 != image.type() || image.cols > width || image.rows > height) {
|
||||
LOGE(
|
||||
"Expected input to be a mat of maximum %d x %d of type CV_8UC3 (%d), but received %d x %d of type: %d",
|
||||
width, height, CV_8UC3,
|
||||
image.cols, image.rows, image.type()
|
||||
);
|
||||
return;
|
||||
}
|
||||
|
||||
#if __ANDROID_API__ >= 26
|
||||
ANativeWindow_Buffer buffer;
|
||||
if (0 != ANativeWindow_lock(surface, &buffer, NULL)) {
|
||||
LOGE("Failed to lock the surface");
|
||||
} else {
|
||||
if (AHARDWAREBUFFER_FORMAT_R8G8B8A8_UNORM == buffer.format) {
|
||||
Mat bufferMat(image.rows, image.cols, CV_8UC4, buffer.bits, buffer.stride * 4);
|
||||
cvtColor(image, bufferMat, CV_BGR2RGBA);
|
||||
} else {
|
||||
LOGE("Unknow surface buffer format: %u", buffer.format);
|
||||
}
|
||||
|
||||
ANativeWindow_unlockAndPost(surface);
|
||||
}
|
||||
#else
|
||||
LOGV("[write] image: %d x %d", image.cols, image.rows);
|
||||
|
||||
//OpenCV don't support RGB to NV12 so we need to connvert to YV12 and then manually changed it to NV12
|
||||
Mat imageYV12;
|
||||
cvtColor(image, imageYV12, CV_BGR2YUV_YV12);
|
||||
|
||||
//convert from YV12 to NV12
|
||||
size_t yPlaneSize = width * height;
|
||||
size_t vPlaneSize = yPlaneSize / 4;
|
||||
|
||||
Mat channels[2] = {
|
||||
Mat( vPlaneSize, 1, CV_8UC1, imageYV12.ptr() + yPlaneSize + vPlaneSize ).clone(),
|
||||
Mat( vPlaneSize, 1, CV_8UC1, imageYV12.ptr() + yPlaneSize ).clone()
|
||||
};
|
||||
Mat vuMat( vPlaneSize, 1, CV_8UC2, imageYV12.ptr() + yPlaneSize );
|
||||
merge(channels, 2, vuMat);
|
||||
|
||||
writeBytes( imageYV12.ptr(), imageYV12.rows * imageYV12.cols );
|
||||
#endif
|
||||
|
||||
drainEncoder(false);
|
||||
|
||||
frameIndex++;
|
||||
}
|
||||
|
||||
virtual bool open( const cv::String& filename, int fourcc, double fps, cv::Size frameSize, const VideoWriterParameters& params )
|
||||
{
|
||||
media_status_t status;
|
||||
|
||||
close();
|
||||
|
||||
const FourCCInfo* info = findInfo(fourcc);
|
||||
if (NULL == info) {
|
||||
LOGE("ERROR: findInfo");
|
||||
return false;
|
||||
}
|
||||
|
||||
format = AMediaFormat_new();
|
||||
if (NULL == format) {
|
||||
LOGE("ERROR: AMediaFormat_new");
|
||||
goto error;
|
||||
}
|
||||
|
||||
LOGV("mime: %s, width: %d, height: %d, fps: %f", info->mime, frameSize.width, frameSize.height, fps);
|
||||
|
||||
AMediaFormat_setString(format, AMEDIAFORMAT_KEY_MIME, info->mime);
|
||||
AMediaFormat_setInt32(format, AMEDIAFORMAT_KEY_WIDTH, frameSize.width);
|
||||
AMediaFormat_setInt32(format, AMEDIAFORMAT_KEY_HEIGHT, frameSize.height);
|
||||
AMediaFormat_setFloat(format, AMEDIAFORMAT_KEY_FRAME_RATE, (float)fps);
|
||||
AMediaFormat_setInt32(format, AMEDIAFORMAT_KEY_I_FRAME_INTERVAL, 5);
|
||||
AMediaFormat_setInt32(format, AMEDIAFORMAT_KEY_BIT_RATE, frameSize.width * frameSize.height * 5);
|
||||
AMediaFormat_setInt32(
|
||||
format, AMEDIAFORMAT_KEY_COLOR_FORMAT,
|
||||
#if __ANDROID_API__ >= 26
|
||||
COLOR_FormatSurface
|
||||
#else
|
||||
COLOR_FormatYUV420SemiPlanar
|
||||
#endif
|
||||
);
|
||||
|
||||
encoder = AMediaCodec_createEncoderByType(info->mime);
|
||||
if (NULL == encoder) {
|
||||
LOGE("ERROR: AMediaCodec_createEncoderByType");
|
||||
goto error;
|
||||
}
|
||||
|
||||
status = AMediaCodec_configure(encoder, format, NULL, NULL, AMEDIACODEC_CONFIGURE_FLAG_ENCODE);
|
||||
if (AMEDIA_OK != status) {
|
||||
LOGE("ERROR: AMediaCodec_configure (%d)", status);
|
||||
goto error;
|
||||
}
|
||||
|
||||
#if __ANDROID_API__ >= 26
|
||||
status = AMediaCodec_createInputSurface(encoder, &surface);
|
||||
if (AMEDIA_OK != status || NULL == surface) {
|
||||
LOGE("ERROR: AMediaCodec_createInputSurface (%d)", status);
|
||||
goto error;
|
||||
}
|
||||
#endif
|
||||
|
||||
AMediaCodec_start(encoder);
|
||||
|
||||
fd = ::open(filename.c_str(), O_WRONLY | O_CREAT | O_TRUNC, 0666);
|
||||
if (fd < 0) {
|
||||
LOGE("ERROR: open");
|
||||
goto error;
|
||||
}
|
||||
|
||||
muxer = AMediaMuxer_new(fd, info->muxerFormat);
|
||||
if (NULL == muxer) {
|
||||
LOGE("ERROR: AMediaMuxer_new");
|
||||
goto error;
|
||||
}
|
||||
|
||||
AMediaMuxer_setOrientationHint(muxer, params.get(CAP_PROP_ORIENTATION_META, 0));
|
||||
|
||||
frameIndex = 0;
|
||||
width = frameSize.width;
|
||||
height = frameSize.height;
|
||||
frameRate = fps;
|
||||
videoTrackIndex = -1;
|
||||
|
||||
return true;
|
||||
|
||||
error:
|
||||
close();
|
||||
return false;
|
||||
}
|
||||
|
||||
virtual void close()
|
||||
{
|
||||
if (videoTrackIndex >= 0 && NULL != muxer) {
|
||||
drainEncoder(true);
|
||||
AMediaMuxer_stop(muxer);
|
||||
}
|
||||
|
||||
if (NULL != encoder) AMediaCodec_delete(encoder);
|
||||
if (NULL != muxer) AMediaMuxer_delete(muxer);
|
||||
|
||||
#if __ANDROID_API__ >= 26
|
||||
if (NULL != surface) ANativeWindow_release(surface);
|
||||
#endif
|
||||
|
||||
if (fd >= 0) ::close(fd);
|
||||
if (NULL != format) AMediaFormat_delete(format);
|
||||
|
||||
format = NULL;
|
||||
encoder = NULL;
|
||||
muxer = NULL;
|
||||
#if __ANDROID_API__ >= 26
|
||||
surface = NULL;
|
||||
#endif
|
||||
frameIndex = 0;
|
||||
width = 0;
|
||||
height = 0;
|
||||
frameRate = 0.;
|
||||
videoTrackIndex = -1;
|
||||
fd = -1;
|
||||
}
|
||||
|
||||
virtual double getProperty(int) const CV_OVERRIDE { return 0.; }
|
||||
virtual bool setProperty(int, double) CV_OVERRIDE { return false; }
|
||||
virtual bool isOpened() const CV_OVERRIDE { return NULL != encoder; }
|
||||
};
|
||||
|
||||
|
||||
const AndroidMediaNdkVideoWriter::FourCCInfo AndroidMediaNdkVideoWriter::FOURCC_INFO[] = {
|
||||
{ CV_FOURCC('H', '2', '6', '4'), "video/avc", AMEDIAMUXER_OUTPUT_FORMAT_MPEG_4 },
|
||||
{ CV_FOURCC('H', '2', '6', '5'), "video/hevc", AMEDIAMUXER_OUTPUT_FORMAT_MPEG_4 },
|
||||
{ CV_FOURCC('H', '2', '6', '3'), "video/3gpp", AMEDIAMUXER_OUTPUT_FORMAT_MPEG_4 },
|
||||
{ CV_FOURCC('M', 'P', '4', 'V'), "video/mp4v-es", AMEDIAMUXER_OUTPUT_FORMAT_MPEG_4 },
|
||||
{ 0, NULL },
|
||||
};
|
||||
|
||||
|
||||
|
||||
/****************** Implementation of interface functions ********************/
|
||||
|
||||
Ptr<IVideoCapture> cv::createAndroidCapture_file(const std::string &filename) {
|
||||
@ -335,3 +673,14 @@ Ptr<IVideoCapture> cv::createAndroidCapture_file(const std::string &filename) {
|
||||
return res;
|
||||
return Ptr<IVideoCapture>();
|
||||
}
|
||||
|
||||
|
||||
Ptr<IVideoWriter> cv::createAndroidVideoWriter(
|
||||
const std::string& filename, int fourcc,
|
||||
double fps, const cv::Size& frameSize,
|
||||
const VideoWriterParameters& params) {
|
||||
Ptr<AndroidMediaNdkVideoWriter> writer = makePtr<AndroidMediaNdkVideoWriter>(filename, fourcc, fps, frameSize, params);
|
||||
if (writer && writer->isOpened())
|
||||
return writer;
|
||||
return Ptr<IVideoWriter>();
|
||||
}
|
||||
|
||||
@ -410,6 +410,9 @@ Ptr<IVideoCapture> createXINECapture(const std::string &filename);
|
||||
|
||||
Ptr<IVideoCapture> createAndroidCapture_cam( int index );
|
||||
Ptr<IVideoCapture> createAndroidCapture_file(const std::string &filename);
|
||||
Ptr<IVideoWriter> createAndroidVideoWriter(const std::string& filename, int fourcc,
|
||||
double fps, const Size& frameSize,
|
||||
const VideoWriterParameters& params);
|
||||
|
||||
Ptr<IVideoCapture> create_obsensor_capture(int index);
|
||||
|
||||
|
||||
@ -149,7 +149,7 @@ static const struct VideoBackendInfo builtin_backends[] =
|
||||
#if defined(HAVE_ANDROID_MEDIANDK) || defined(HAVE_ANDROID_NATIVE_CAMERA)
|
||||
DECLARE_STATIC_BACKEND(CAP_ANDROID, "ANDROID_NATIVE",
|
||||
#ifdef HAVE_ANDROID_MEDIANDK
|
||||
MODE_CAPTURE_BY_FILENAME
|
||||
MODE_CAPTURE_BY_FILENAME | MODE_WRITER
|
||||
#else
|
||||
0
|
||||
#endif
|
||||
@ -169,8 +169,12 @@ static const struct VideoBackendInfo builtin_backends[] =
|
||||
#else
|
||||
0,
|
||||
#endif
|
||||
#ifdef HAVE_ANDROID_MEDIANDK
|
||||
createAndroidVideoWriter)
|
||||
#else
|
||||
0)
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#ifdef HAVE_OBSENSOR
|
||||
DECLARE_STATIC_BACKEND(CAP_OBSENSOR, "OBSENSOR", MODE_CAPTURE_BY_INDEX, 0, create_obsensor_capture, 0)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user