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Improve:MediaBase module.

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This commit is contained in:
Fancy code 2024-07-20 14:10:13 +08:00
parent 1b7ff22112
commit 35f8b4093b
11 changed files with 144 additions and 82 deletions
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2
middleware/MediaManager/src/RecordMp4.cpp
View File

@ -48,7 +48,7 @@ StatusCode RecordMp4::Init(void)
return CreateStatusCode(STATUS_CODE_NOT_OK);
}
if (OUTPUT_FILE_NAME_MAX >= thumbnailPath.size()) {
memcpy(fileInfo.mFileName, thumbnailPath.c_str(), thumbnailPath.size());
memcpy(fileInfo.mThumbnailFileName, thumbnailPath.c_str(), thumbnailPath.size());
}
else {
LogError("ThumbnailPath is too long.\n");

20
utils/MediaBase/src/FfmpegDecoder.cpp
View File

@ -25,6 +25,7 @@ extern "C" {
#include <libavutil/channel_layout.h>
#include <libavutil/error.h>
#include <libavutil/frame.h>
#include <libavutil/pixfmt.h>
#include <libavutil/samplefmt.h>
#ifdef __cplusplus
}
@ -35,7 +36,13 @@ extern "C" {
#include <functional>
#include <stdint.h>
FfmpegDecoder::FfmpegDecoder(const enum AVCodecID &codecId)
: mCodecId(codecId), mCodec(nullptr), mCodecCtx(nullptr), mFrame(nullptr), mPacket(nullptr), mParser(nullptr)
: mCodecId(codecId), mCodec(nullptr), mCodecCtx(nullptr), mFrame(nullptr), mPacket(nullptr), mParser(nullptr),
mVideoWidth(DECODER_UNSUPORTED), mVideoHeight(DECODER_UNSUPORTED)
{
}
FfmpegDecoder::FfmpegDecoder(const enum AVCodecID &codecId, const int &width, const int &height)
: mCodecId(codecId), mCodec(nullptr), mCodecCtx(nullptr), mFrame(nullptr), mPacket(nullptr), mParser(nullptr),
mVideoWidth(width), mVideoHeight(height)
{
}
bool FfmpegDecoder::Init(void)
@ -80,8 +87,8 @@ bool FfmpegDecoder::Init(void)
}
else {
mCodecCtx->pix_fmt = AV_PIX_FMT_YUV420P;
mCodecCtx->width = 1920;
mCodecCtx->height = 2610;
mCodecCtx->width = mVideoWidth;
mCodecCtx->height = mVideoHeight;
}
if ((ret = avcodec_open2(mCodecCtx, mCodec, nullptr)) < 0) {
char error_str[AV_ERROR_MAX_STRING_SIZE] = {0};
@ -124,10 +131,6 @@ bool FfmpegDecoder::UnInit(void)
av_parser_close(mParser);
mParser = nullptr;
}
// if (mCodecCtx) {
// // if (mCodecId != AV_CODEC_ID_H264) {
// // }
// }
avcodec_free_context(&mCodecCtx);
mCodecCtx = nullptr;
if (mFrame) {
@ -142,7 +145,6 @@ void FfmpegDecoder::DecodeData(const void *data, const size_t &size, const unsig
if (nullptr == mParser) {
mPacket->data = (uint8_t *)data;
mPacket->size = size;
// mPacket->stream_index = 0;
mPacket->pts = pts;
mPacket->dts = mPacket->pts;
// LogInfo("source data mPacket->pts:%d\n", mPacket->pts);
@ -233,8 +235,8 @@ void inline FfmpegDecoder::AVDecodeData(AVPacket *pkt, std::function<void(AVFram
// for (ch = 0; ch < mCodecCtx->ch_layout.nb_channels; ch++)
// // fwrite(frame->data[ch] + data_size * i, 1, data_size, outfile);
// save_code_stream_file(mFrame->data[ch] + data_size * i, data_size);
// save_code_stream_file(mFrame->data[0], mFrame->linesize[0]);
// if (mCodecId == AV_CODEC_ID_H264) {
// // save_code_stream_file(mFrame->data[0], mFrame->linesize[0]);
// pgm_save(mFrame->data[0], mFrame->linesize[0], mFrame->width, mFrame->height, "./test.yuv");
// }
// LogInfo("decode frame pts = %llu, nb_samples = %d\n", mFrame->pts, mFrame->nb_samples);

12
utils/MediaBase/src/FfmpegDecoder.h
View File

@ -33,10 +33,18 @@ extern "C" {
}
#endif
#include <functional>
constexpr int DECODER_UNSUPORTED = 0;
class FfmpegDecoder
{
public:
FfmpegDecoder(const enum AVCodecID &codecId);
FfmpegDecoder(const enum AVCodecID &codecId); // TODO: should be delete
/**
* @brief When decoding a video stream, you need to use this constructor to provide the required parameters.
* @param codecId Video stream format
* @param width Video height
* @param height Video width
*/
FfmpegDecoder(const enum AVCodecID &codecId, const int &width, const int &height);
virtual ~FfmpegDecoder() = default;
bool Init(void);
bool UnInit(void);
@ -59,5 +67,7 @@ private:
AVFrame *mFrame;
AVPacket *mPacket;
AVCodecParserContext *mParser;
const int mVideoWidth;
const int mVideoHeight;
};
#endif

49
utils/MediaBase/src/FfmpegEncoder.cpp
View File

@ -45,7 +45,12 @@ constexpr long SOURCE_AUDIO_SAMPEL_RATE = 8000;
#define STREAM_PIX_FMT AV_PIX_FMT_YUV420P /* default pix_fmt */
FfmpegEncoder::FfmpegEncoder(const enum AVCodecID &codecId)
: mCodecId(codecId), mCodecCtx(nullptr), mCodec(nullptr), mFrame(nullptr), mTmpFrame(nullptr), mTmpPkt(nullptr),
mSamplesCount(0), mSwrCtx(nullptr), next_pts(0)
mSamplesCount(0), mSwrCtx(nullptr), next_pts(0), mVideoWidth(ENCODER_UNSUPORTED), mVideoHeight(ENCODER_UNSUPORTED)
{
}
FfmpegEncoder::FfmpegEncoder(const enum AVCodecID &codecId, const int &width, const int &height)
: mCodecId(codecId), mCodecCtx(nullptr), mCodec(nullptr), mFrame(nullptr), mTmpFrame(nullptr), mTmpPkt(nullptr),
mSamplesCount(0), mSwrCtx(nullptr), next_pts(0), mVideoWidth(width), mVideoHeight(height)
{
}
bool FfmpegEncoder::Init(int &outputFlags)
@ -94,8 +99,8 @@ bool FfmpegEncoder::Init(int &outputFlags)
mCodecCtx->bit_rate = 300000;
/* Resolution must be a multiple of two. */
mCodecCtx->width = 640;
mCodecCtx->height = 480;
mCodecCtx->width = mVideoWidth;
mCodecCtx->height = mVideoHeight;
/* timebase: This is the fundamental unit of time (in seconds) in terms
* of which frame timestamps are represented. For fixed-fps content,
* timebase should be 1/framerate and timestamp increments should be
@ -170,23 +175,23 @@ bool FfmpegEncoder::OpenEncoder(AVDictionary *optArg, AVStream *stream)
return false;
}
}
static void save_code_stream_file(const void *data, const size_t &size)
{
char OutPath[16];
const void *pData = data;
FILE *file = NULL;
LogInfo("save_code_stream_file: %d\n", size);
sprintf(OutPath, "./test.jpg");
file = fopen(OutPath, "a+");
// static void save_code_stream_file(const void *data, const size_t &size)
// {
// char OutPath[16];
// const void *pData = data;
// FILE *file = NULL;
// LogInfo("save_code_stream_file: %d\n", size);
// sprintf(OutPath, "./test.jpg");
// file = fopen(OutPath, "a+");
if (file) { // TODO: Don't open very time.
fwrite(pData, 1, size, file);
fflush(file);
}
// if (file) { // TODO: Don't open very time.
// fwrite(pData, 1, size, file);
// fflush(file);
// }
if (file)
fclose(file);
}
// if (file)
// fclose(file);
// }
int FfmpegEncoder::EncodeData(AVFrame *frame, AVStream *stream, std::function<void(AVPacket *pkt)> callback)
{
int ret = 0;
@ -225,12 +230,12 @@ int FfmpegEncoder::EncodeData(AVFrame *frame, AVStream *stream, std::function<vo
// LogInfo("Write stream->time_base.num: %d\n", stream->time_base.num);
// LogInfo("Write stream->time_base.den: %d\n", stream->time_base.den);
mTmpPkt->stream_index = stream->index;
// LogInfo("aaaaaaaaaaaaaaaaaaaaaaa Write frame mTmpPkt->pts: %llu\n", mTmpPkt->pts);
// LogInfo(" Write frame mTmpPkt->pts: %llu\n", mTmpPkt->pts);
if (callback) {
if (mCodecId == AV_CODEC_ID_MJPEG) {
save_code_stream_file(mTmpPkt->data, mTmpPkt->size);
}
// if (mCodecId == AV_CODEC_ID_MJPEG) {
// save_code_stream_file(mTmpPkt->data, mTmpPkt->size);
// }
callback(mTmpPkt);
}
}

10
utils/MediaBase/src/FfmpegEncoder.h
View File

@ -33,10 +33,18 @@ extern "C" {
}
#endif
#include <functional>
constexpr int ENCODER_UNSUPORTED = 0;
class FfmpegEncoder
{
public:
FfmpegEncoder(const enum AVCodecID &codecId);
/**
* @brief When encoding a video stream, you need to use this constructor to provide the required parameters.
* @param codecId Video stream format.
* @param width Video width.
* @param height Video height.
*/
FfmpegEncoder(const enum AVCodecID &codecId, const int &width, const int &height);
virtual ~FfmpegEncoder() = default;
bool Init(int &outputFlags);
void UnInit(void);
@ -64,5 +72,7 @@ private:
int mSamplesCount;
struct SwrContext *mSwrCtx;
int64_t next_pts;
const int mVideoWidth;
const int mVideoHeight;
};
#endif

13
utils/MediaBase/src/FfmpegMuxStreamV2.cpp
View File

@ -116,7 +116,8 @@ StatusCode inline FfmpegMuxStreamV2::OpenMuxOutputFile(const std::string &fileNa
/* Add the audio and video streams using the default format codecs
* and initialize the codecs. */
if (mOutputFormat->oformat->video_codec != AV_CODEC_ID_NONE) {
mVideoStream = AddStream(mOutputFormat, AV_CODEC_ID_NONE, AV_CODEC_ID_NONE);
const std::string thumbnailFileName = mOutputFileInfo->mThumbnailFileName;
mVideoStream = AddStream(mOutputFormat, AV_CODEC_ID_NONE, AV_CODEC_ID_NONE, thumbnailFileName);
// mVideoStream = AddStream(mOutputFormat, mOutputFormat->oformat->video_codec, AV_CODEC_ID_H264);
mVideoStream->SetWriteSourceDataCallback(
std::bind(&FfmpegMuxStreamV2::GetAVPacketDataCallback, this, std::placeholders::_1));
@ -206,9 +207,15 @@ bool inline FfmpegMuxStreamV2::MakeSureStreamHeanderOK(const void *data, const s
return true;
}
std::shared_ptr<FfmpegOutputStream> FfmpegMuxStreamV2::AddStream(AVFormatContext *outputFormat,
enum AVCodecID encodecId, enum AVCodecID decodecId)
enum AVCodecID encodecId, enum AVCodecID decodecId,
const std::string &thumbnailFile)
{
auto stream = std::make_shared<FfmpegOutputStream>(encodecId, decodecId);
stream->Init(outputFormat);
if (thumbnailFile.empty()) {
stream->Init(outputFormat);
}
else {
stream->Init(outputFormat, thumbnailFile);
}
return stream;
}

3
utils/MediaBase/src/FfmpegMuxStreamV2.h
View File

@ -67,7 +67,8 @@ private:
* @return std::shared_ptr<FfmpegOutputStream>
*/
static std::shared_ptr<FfmpegOutputStream> AddStream(AVFormatContext *outputFormat, enum AVCodecID encodecId,
enum AVCodecID decodecId);
enum AVCodecID decodecId,
const std::string &thumbnailFile = "");
private:
std::mutex mMutex;

16
utils/MediaBase/src/FfmpegOutputStream.cpp
View File

@ -17,6 +17,7 @@
#include "FfmpegEncoder.h"
#include "FfmpegThumbnail.h"
#include "ILog.h"
#include <stdio.h>
#ifdef __cplusplus
extern "C" {
#endif
@ -33,9 +34,11 @@ extern "C" {
#endif
#include <cstddef>
#include <cstdint>
#include <cstdlib>
#include <functional>
#include <memory>
#include <string.h>
#include <string>
#include <thread>
FfmpegOutputStream::FfmpegOutputStream(const AVCodecID &encodecId, const AVCodecID &dncodecId)
: mEncodecId(encodecId), mDeccodecId(dncodecId), mTmpPkt(nullptr), mStream(nullptr), mStreamHeaderWritten(false),
@ -84,6 +87,11 @@ bool FfmpegOutputStream::Init(AVFormatContext *outputFormat)
}
return true;
}
bool FfmpegOutputStream::Init(AVFormatContext *outputFormat, const std::string &thumbnailFile)
{
mThumbnailFileName = thumbnailFile;
return Init(outputFormat);
}
void FfmpegOutputStream::UnInit(void)
{
if (mEncoder) {
@ -173,6 +181,10 @@ void FfmpegOutputStream::GetDecodeDataCallback(AVFrame *frame)
}
void FfmpegOutputStream::CreateThumbnailFile(const void *frame, const size_t &size)
{
if (mThumbnailFileName.empty()) {
LogError("mThumbnailFileName is empty.\n");
return;
}
auto thumbnailThread =
[](std::shared_ptr<FfmpegOutputStream> output, const void *frameData, const size_t dataSize) {
LogInfo("CreateThumbnailFile start.\n");
@ -185,7 +197,7 @@ void FfmpegOutputStream::CreateThumbnailFileThread(const void *frame, const size
{
FfmpegThumbnail thumbnail(AV_CODEC_ID_MJPEG, AV_CODEC_ID_H264);
thumbnail.Init();
thumbnail.CreateThumbnail("./sssss.jpeg", frame, size);
thumbnail.CreateThumbnail(mThumbnailFileName, frame, size);
thumbnail.UnInit();
LogInfo("CreateThumbnailFile end eeeeeeeeeeeeeeeeeeeeeeee.\n");
LogInfo("CreateThumbnailFile end.\n");
}

9
utils/MediaBase/src/FfmpegOutputStream.h
View File

@ -43,6 +43,14 @@ public:
FfmpegOutputStream(const AVCodecID &encodecId, const AVCodecID &dncodecId);
virtual ~FfmpegOutputStream() = default;
bool Init(AVFormatContext *outputFormat);
/**
* @brief If you need to convert stream frames into thumbnails, use this function.
* @param outputFormat
* @param thumbnailFile
* @return true
* @return false
*/
bool Init(AVFormatContext *outputFormat, const std::string &thumbnailFile);
void UnInit(void);
void WriteSourceData(const void *data, const size_t &size, const unsigned long long &pts);
void SetWriteSourceDataCallback(std::function<void(AVPacket *pkt)> callback);
@ -70,5 +78,6 @@ private:
bool mStreamHeaderWritten;
std::thread mThumbnailThread;
char *mH264Data2Jpeg;
std::string mThumbnailFileName;
};
#endif

87
utils/MediaBase/src/FfmpegThumbnail.cpp
View File

@ -13,38 +13,43 @@
* limitations under the License.
*/
#include "FfmpegThumbnail.h"
#include "FfmpegDecoder.h"
#include "FfmpegEncoder.h"
#include "ILog.h"
#include "LinuxApi.h"
#include <stdio.h>
#ifdef __cplusplus
extern "C" {
#endif
#include <libavcodec/avcodec.h>
#include <libavcodec/codec_id.h>
#include <libavcodec/packet.h>
#include <libavformat/avformat.h>
#include <libavutil/avassert.h>
#include <libavformat/avio.h>
#include <libavutil/avutil.h>
#include <libavutil/channel_layout.h>
#include <libavutil/dict.h>
#include <libavutil/error.h>
#include <libavutil/frame.h>
#include <libavutil/imgutils.h>
#include <libavutil/mathematics.h>
#include <libavutil/opt.h>
#include <libavutil/timestamp.h>
#include <libswresample/swresample.h>
#include <libavutil/mem.h>
#include <libavutil/pixfmt.h>
#include <libswscale/swscale.h>
#ifdef __cplusplus
}
#endif
#include <cstdlib>
#include <functional>
#include <memory>
#include <stdint.h>
#include <string>
FfmpegThumbnail::FfmpegThumbnail(const AVCodecID &encodecId, const AVCodecID &dncodecId)
: mOutputFormat(nullptr), mStream(nullptr), sws_ctx(nullptr)
{
mDecoder = std::make_shared<FfmpegDecoder>(dncodecId);
mEncoder = std::make_shared<FfmpegEncoder>(encodecId);
mDecoder = std::make_shared<FfmpegDecoder>(dncodecId, 1920, 2160);
mEncoder = std::make_shared<FfmpegEncoder>(encodecId, 640, 480);
}
void FfmpegThumbnail::Init(void)
{
LogInfo("FfmpegThumbnail Init\n");
mDecodeCallback = std::bind(&FfmpegThumbnail::GetDecodeDataCallback, this, std::placeholders::_1);
mEncodeCallback = std::bind(&FfmpegThumbnail::GetEncodeDataCallback, this, std::placeholders::_1);
}
void FfmpegThumbnail::UnInit(void)
{
@ -75,10 +80,12 @@ void FfmpegThumbnail::UnInit(void)
}
bool FfmpegThumbnail::CreateThumbnail(const std::string &outputFile, const void *data, const size_t &size)
{
if (!mDecoder || !mDecodeCallback) {
if (!mDecoder) {
LogError("CreateThumbnail mDecoder && mDecodeCallback\n");
return true;
}
mDecodeCallback = std::bind(&FfmpegThumbnail::GetDecodeDataCallback, this, std::placeholders::_1);
mEncodeCallback = std::bind(&FfmpegThumbnail::GetEncodeDataCallback, this, std::placeholders::_1, outputFile);
AVDictionary *opt = nullptr;
int ret = 0;
/* allocate the output media context */
@ -97,32 +104,8 @@ bool FfmpegThumbnail::CreateThumbnail(const std::string &outputFile, const void
}
mStream->id = mOutputFormat->nb_streams - 1;
LogInfo("Create video stream\n");
// char *pData = (char *)data;
// for (size_t i = 0; i < size; i++) {
// if ((0x00 == pData[i]) && (0x00 == pData[i + 1]) && (0x00 == pData[i + 2]) && (0x01 == pData[i + 3]) &&
// (0x5 == (pData[i + 4] & 0x1F))) {
// uint8_t *extradata = (uint8_t *)av_mallocz(i + 1);
// if (!extradata) {
// LogError("Could not allocate extradata\n");
// return false;
// }
// LogInfo("Found extradata\n");
// memcpy(extradata, pData, i);
// mStream->codecpar->extradata = extradata;
// mStream->codecpar->extradata_size = i;
// }
// }
}
av_dump_format(mOutputFormat, 0, outputFile.c_str(), 1);
/* open the output file, if needed */
// if (!(mOutputFormat->oformat->flags & AVFMT_NOFILE)) {
// ret = avio_open(&mOutputFormat->pb, outputFile.c_str(), AVIO_FLAG_WRITE);
// if (ret < 0) {
// char error_str[AV_ERROR_MAX_STRING_SIZE] = {0};
// LogError("Could not open '%s': %s\n",
// outputFile.c_str(),
// av_make_error_string(error_str, AV_ERROR_MAX_STRING_SIZE, ret));
// }
LogInfo("Open output file\n");
// }
av_dict_set_int(&opt, "use_editlist", 0, 0);
@ -136,7 +119,6 @@ bool FfmpegThumbnail::CreateThumbnail(const std::string &outputFile, const void
return false;
}
av_dict_free(&opt);
// return true;
mDecoder->Init();
mEncoder->Init(mOutputFormat->flags);
mStream->time_base = mEncoder->GetTimeBase();
@ -170,9 +152,9 @@ void FfmpegThumbnail::GetDecodeDataCallback(AVFrame *frame)
output_frame->height,
AV_PIX_FMT_YUV420P,
SWS_BILINEAR,
NULL,
NULL,
NULL);
nullptr,
nullptr,
nullptr);
// 进行像素格式转换
sws_scale(sws_ctx, frame->data, frame->linesize, 0, frame->height, output_frame->data, output_frame->linesize);
@ -184,10 +166,10 @@ void FfmpegThumbnail::GetDecodeDataCallback(AVFrame *frame)
av_free(jpeg_buf);
return;
}
void FfmpegThumbnail::GetEncodeDataCallback(AVPacket *pkt)
void FfmpegThumbnail::GetEncodeDataCallback(AVPacket *pkt, const std::string &fileName)
{
LogInfo("GetEncodeDataCallback, save thumbnail file %s\n", fileName.c_str());
return;
LogInfo("ggggggggggggggggggggggggggggggggggggggg GetEncodeDataCallback %d\n", pkt->size);
int ret = 0;
ret = av_interleaved_write_frame(mOutputFormat, pkt);
/* pkt is now blank (av_interleaved_write_frame() takes ownership of
@ -198,4 +180,25 @@ void FfmpegThumbnail::GetEncodeDataCallback(AVPacket *pkt)
LogInfo("Error while writing output packet: %s\n",
av_make_error_string(error_str, AV_ERROR_MAX_STRING_SIZE, ret));
}
}
bool FfmpegThumbnail::SaveThumbnailFile(const std::string &fileName, const void *data, const size_t &size)
{
FILE *file = nullptr;
LogInfo("SaveThumbnailFile:%s\n", fileName.c_str());
file = fopen(fileName.c_str(), "a+");
if (file) {
fwrite(data, 1, size, file);
fflush(file);
}
else {
return false;
}
if (file) {
fclose(file);
file = nullptr;
}
fx_system_v2("sync");
return true;
}

5
utils/MediaBase/src/FfmpegThumbnail.h
View File

@ -47,7 +47,10 @@ public:
private:
void GetDecodeDataCallback(AVFrame *frame);
void GetEncodeDataCallback(AVPacket *pkt);
void GetEncodeDataCallback(AVPacket *pkt, const std::string &fileName);
private:
static bool SaveThumbnailFile(const std::string &fileName, const void *data, const size_t &size);
private:
std::function<void(AVFrame *)> mDecodeCallback;