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icetd 2024-05-09 16:31:45 +08:00
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.clangd/
build/
thirdparty/mpp
compile_commands.json

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[submodule "thirdparty/libv4l2cc"]
path = thirdparty/libv4l2cc
url = https://github.com/icetd/libv4l2cc.git
[submodule "thirdparty/libjpeg-turbo"]
path = thirdparty/libjpeg-turbo
url = https://github.com/icetd/libjpeg-turbo.git

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cmake_minimum_required(VERSION 3.14)
project(RkCamRtspServer)
option (WITH_SSL "Enable SSL support" ON)
set(CMAKE_CXX_STANDARD 14)
set(CMAKE_BUILD_TYPE Debug)
include (cmake/live555.cmake)
add_subdirectory(thirdparty/libv4l2cc)
add_subdirectory(thirdparty/libjpeg-turbo)
set(INCLUDE_DIR "${CMAKE_SOURCE_DIR}/inc")
set(SOURCE_DIR "${CMAKE_SOURCE_DIR}/src")
set(V4L2CC_INC "${CMAKE_SOURCE_DIR}/thirdparty/libv4l2cc/inc")
set(JPEGTURBO_INC "${CMAKE_SOURCE_DIR}/thirdparty/libjpeg-turbo")
set(MPP_INC "${CMAKE_SOURCE_DIR}/thirdparty/mpp/include")
set(MPP_LIB "${CMAKE_SOURCE_DIR}/thirdparty/mpp/lib")
link_directories(
${MPP_LIB}
)
include_directories(
${INCLUDE_DIR}
${V4L2CC_INC}
${JPEGTURBO_INC}
${MPP_INC}
${LIVE555_INC}
)
file(GLOB_RECURSE SRC_FILES
"${SOURCE_DIR}/*c*"
)
file (GLOB_RECURSE INC_FILES
"${INCLUDE_DIR}/*.h"
)
list(APPEND EXTRA_LIBS
)
# Add the executable
add_executable(${PROJECT_NAME} ${SRC_FILES} ${LIVE555_FILES} ${INC_FILES} ${LIVE555_INC_FILES})
# Add the target includes for MY_PROJECT
target_include_directories(${PROJECT_NAME} PRIVATE ${INCLUDE_DIR})
target_include_directories(${PROJECT_NAME} PRIVATE ${SOURCE_DIR})
target_include_directories(${PROJECT_NAME} PRIVATE ${LIVE555_INC})
target_compile_definitions(${PROJECT_NAME} PUBLIC ${LIVE555_CFLAGS})
#===================== LINKING LIBRARIES =======================#
target_link_libraries(${PROJECT_NAME} v4l2cc pthread rockchip_vpu rockchip_mpp turbojpeg ${EXTRA_LIBS})
if (OpenSSL_FOUND)
target_link_libraries(${PROJECT_NAME} OpenSSL::SSL)
endif ()
file(COPY ${CMAKE_CURRENT_SOURCE_DIR}/configs
DESTINATION ${CMAKE_CURRENT_BINARY_DIR})

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USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<https://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<https://www.gnu.org/licenses/why-not-lgpl.html>.

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# RkCamRtspServer
simple rtspserver for rk hardware
## test env
- rk3588s
- ubuntu 20.04
## build && run
```
./scripts/build_mpp.sh
git submodule update --init
mkdir build && cd build
cmake ..
make -j4
sudo ./RkCamRtspServer
```
## config
config with file configs/config.ini
```
[log]
level = NOTICE
[video]
width = 640
height = 480
fps = 30
fix_qp = 23 ;[0 - 51] [high - low]
format = YUY2 ;[MJPEG] 720P
device = /dev/video0
[server]
rtsp_port = 8554
stream_name = unicast
max_buf_size = 200000
max_packet_size = 1500
http_enable = false
http_port = 8000
bitrate = 1440
```
## function
- support yuy2 format usb camera.
- support hardware h264 encode.
## Benefits of improvement
- RkCamRtspServer cpu usage
```
%Cpu0 : 0.7 us, 0.4 sy, 0.0 ni, 94.4 id, 0.0 wa, 0.0 hi, 4.6 si, 0.0 st
%Cpu1 : 4.3 us, 7.2 sy, 0.0 ni, 88.5 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu2 : 3.7 us, 0.7 sy, 0.0 ni, 95.7 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu3 : 0.7 us, 4.4 sy, 0.0 ni, 94.9 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu4 : 0.0 us, 0.0 sy, 0.0 ni,100.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu5 : 0.0 us, 0.0 sy, 0.0 ni,100.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu6 : 0.0 us, 0.0 sy, 0.0 ni,100.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu7 : 0.0 us, 0.0 sy, 0.0 ni,100.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
```
- CamRtspServer cpu usage
```
%Cpu0 : 19.6 us, 1.0 sy, 0.0 ni, 77.3 id, 0.0 wa, 0.0 hi, 2.1 si, 0.0 st
%Cpu1 : 21.6 us, 0.0 sy, 0.0 ni, 78.0 id, 0.0 wa, 0.0 hi, 0.3 si, 0.0 st
%Cpu2 : 23.7 us, 0.7 sy, 0.0 ni, 75.7 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu3 : 28.0 us, 4.0 sy, 0.0 ni, 67.3 id, 0.0 wa, 0.0 hi, 0.7 si, 0.0 st
%Cpu4 : 0.0 us, 0.0 sy, 0.0 ni, 99.3 id, 0.0 wa, 0.0 hi, 0.7 si, 0.0 st
%Cpu5 : 0.3 us, 0.3 sy, 0.0 ni, 99.3 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu6 : 1.3 us, 0.7 sy, 0.0 ni, 98.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu7 : 0.0 us, 11.6 sy, 0.0 ni, 88.4 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
```

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cmake/live555.cmake Normal file
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set(LIVE555_URL http://www.live555.com/liveMedia/public/live555-latest.tar.gz CACHE STRING "live555 url")
set(LIVE555_CFLAGS -DBSD=1 -DSOCKLEN_T=socklen_t -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE=1 -DALLOW_RTSP_SERVER_PORT_REUSE=1 -DNO_STD_LIB=1 CACHE STRING "live555 CFGLAGS")
if (WITH_SSL)
find_package(OpenSSL QUIET)
endif()
set(LIVE ${CMAKE_BINARY_DIR}/live)
set(LIVE555_INC ${LIVE}/groupsock/include ${LIVE}/liveMedia/include ${LIVE}/UsageEnvironment/include ${LIVE}/BasicUsageEnvironment/include)
if (NOT EXISTS ${LIVE})
file (DOWNLOAD ${LIVE555_URL} ${CMAKE_BINARY_DIR}/live555-latest.tar.gz )
EXECUTE_PROCESS(COMMAND ${CMAKE_COMMAND} -E tar xvf ${CMAKE_BINARY_DIR}/live555-latest.tar.gz RESULT_VARIABLE unpack_result)
if(NOT unpack_result STREQUAL "0")
message(FATAL_ERROR "Fetching and compiling live555 failed!")
endif()
endif()
FILE(GLOB LIVE555_FILES ${LIVE}/groupsock/*.c* ${LIVE}/liveMedia/*.c* ${LIVE}/UsageEnvironment/*.c* ${LIVE}/BasicUsageEnvironment/*.c*)
FILE(GLOB LIVE555_INC_FILES ${LIVE}/groupsock/*.h* ${LIVE}/liveMedia/*.h* ${LIVE}/UsageEnvironment/*.h* ${LIVE}/BasicUsageEnvironment/*.h*)
if (NOT OpenSSL_FOUND)
set(LIVE555_CFLAGS ${LIVE555_CFLAGS} -DNO_OPENSSL=1)
endif()

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[log]
level = NOTICE
[video]
width = 640
height = 480
fps = 30
fix_qp = 23
format = YUY2
device = /dev/video0
[server]
rtsp_port = 8554
stream_name = unicast
max_buf_size = 200000
max_packet_size = 1500
http_enable = false
http_port = 8000
bitrate = 1440

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#ifndef CAM_FRAME_SOURCE_H
#define CAM_FRAME_SOURCE_H
#include <FramedSource.hh>
#include <UsageEnvironment.hh>
#include <mutex>
#include "transcoder.h"
class CamFramedSource : public FramedSource {
public:
static CamFramedSource *createNew(UsageEnvironment &env, TransCoder &transcoder);
protected:
CamFramedSource(UsageEnvironment &env, TransCoder &transcoder);
~CamFramedSource();
void doGetNextFrame() override;
void doStopGettingFrames() override;
private:
TransCoder &transcoder_;
EventTriggerId eventTriggerId;
std::mutex encodedDataMutex;
size_t max_nalu_size_bytes;
std::vector<uint8_t> encodedData;
std::vector<std::vector<uint8_t> > encodedDataBuffer;
void onEncodedData(std::vector<uint8_t> &&data);
static void deliverFrame0(void *);
void deliverData();
};
#endif

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#ifndef CAM_RTSP_SERVER_H
#define CAM_RTSP_SERVER_H
#include <UsageEnvironment.hh>
#include <BasicUsageEnvironment.hh>
#include <GroupsockHelper.hh>
#include <liveMedia.hh>
#include <string>
#include "CamFramedSource.h"
#include "CamUnicastServerMediaSubsession.h"
class CamRTSPServer
{
public:
typedef struct {
int rtspPort;
std::string streamName;
int maxPacketSize;
int maxBufSize;
bool isHttpEnable;
int httpPort;
int bitrate;
} Config_t;
CamRTSPServer();
~CamRTSPServer();
void stopServer();
void addTranscoder(std::shared_ptr<TransCoder> transcoder);
void run();
private:
char watcher_;
TaskScheduler *scheduler_;
UsageEnvironment *env_;
RTSPServer *server_;
Config_t config;
/**
* @brief Video sources.
*/
std::vector<std::shared_ptr<TransCoder>> transcoders_;
/**
* @brief Framed sources.
*/
std::vector<FramedSource *> allocatedVideoSources;
/**
* @brief Announce new create media session.
*
* @param sms - create server media session.
* @param deviceName - the name of video source device.
*/
void announceStream(ServerMediaSession *sms, const std::string &deviceName);
/**
* @brief Add new server media session using transcoder as a source to the server
*
* @param transoder - video source.
* @param streamName - the name of stream (part of the URL), e.g. rtsp://<ip>/camera/1.
* @param streamDesc - description of stream.
*/
void addMediaSession(std::shared_ptr<TransCoder> transoder, const std::string &streamName, const std::string &streamDesc);
};
#endif

35
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#ifndef CAM_UNICAST_SERVER_MEDIA_SUBSESSION_H
#define CAM_UNICAST_SERVER_MEDIA_SUBSESSION_H
#include <OnDemandServerMediaSubsession.hh>
#include <StreamReplicator.hh>
#include <H264VideoRTPSink.hh>
#include <H264VideoStreamDiscreteFramer.hh>
class CamUbicastServerMediaSubsession : public OnDemandServerMediaSubsession
{
public:
static CamUbicastServerMediaSubsession *
createNew(UsageEnvironment &env, StreamReplicator *replicator, size_t estBitrate, size_t udpDatagramSize);
protected:
StreamReplicator *replicator_;
size_t estBitrate_;
size_t udpDatagramSize_;
CamUbicastServerMediaSubsession(UsageEnvironment &env,
StreamReplicator *replicator,
size_t estBitrate,
size_t udpDatagramSize);
FramedSource *createNewStreamSource(unsigned clientSessionId, unsigned &estBitrate) override;
RTPSink *createNewRTPSink(Groupsock *rtpGroupsock,
unsigned char rtpPayloadTypeIfDynamic,
FramedSource *inputSource) override;
};
#endif

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#ifndef DECOMPRESS_H
#define DECOMPTESS_H
#include <stdint.h>
#include <turbojpeg.h>
class DeCompress
{
public:
DeCompress();
~DeCompress();
int tjpeg2yuv(unsigned char *jpeg_buffer, int jpeg_size, unsigned char **yuv_buffer, int *yuv_size);
private:
tjhandle m_handler;
int yuv_type;
int width;
int height;
};
#endif

96
inc/INIReader.h Normal file
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#ifndef INIREADER_H
#define INIREADER_H
#include <map>
#include <string>
#include <cstdint>
// Visibility symbols, required for Windows DLLs
#ifndef INI_API
#if defined _WIN32 || defined __CYGWIN__
# ifdef INI_SHARED_LIB
# ifdef INI_SHARED_LIB_BUILDING
# define INI_API __declspec(dllexport)
# else
# define INI_API __declspec(dllimport)
# endif
# else
# define INI_API
# endif
#else
# if defined(__GNUC__) && __GNUC__ >= 4
# define INI_API __attribute__ ((visibility ("default")))
# else
# define INI_API
# endif
#endif
#endif
// Read an INI file into easy-to-access name/value pairs. (Note that I've gone
// for simplicity here rather than speed, but it should be pretty decent.)
class INIReader
{
public:
// Construct INIReader and parse given filename. See ini.h for more info
// about the parsing.
INI_API explicit INIReader(const std::string& filename);
// Construct INIReader and parse given buffer. See ini.h for more info
// about the parsing.
INI_API explicit INIReader(const char *buffer, size_t buffer_size);
// Return the result of ini_parse(), i.e., 0 on success, line number of
// first error on parse error, or -1 on file open error.
INI_API int ParseError() const;
// Get a string value from INI file, returning default_value if not found.
INI_API std::string Get(const std::string& section, const std::string& name,
const std::string& default_value) const;
// Get a string value from INI file, returning default_value if not found,
// empty, or contains only whitespace.
INI_API std::string GetString(const std::string& section, const std::string& name,
const std::string& default_value) const;
// Get an integer (long) value from INI file, returning default_value if
// not found or not a valid integer (decimal "1234", "-1234", or hex "0x4d2").
INI_API long GetInteger(const std::string& section, const std::string& name, long default_value) const;
// Get a 64-bit integer (int64_t) value from INI file, returning default_value if
// not found or not a valid integer (decimal "1234", "-1234", or hex "0x4d2").
INI_API int64_t GetInteger64(const std::string& section, const std::string& name, int64_t default_value) const;
// Get an unsigned integer (unsigned long) value from INI file, returning default_value if
// not found or not a valid unsigned integer (decimal "1234", or hex "0x4d2").
INI_API unsigned long GetUnsigned(const std::string& section, const std::string& name, unsigned long default_value) const;
// Get an unsigned 64-bit integer (uint64_t) value from INI file, returning default_value if
// not found or not a valid unsigned integer (decimal "1234", or hex "0x4d2").
INI_API uint64_t GetUnsigned64(const std::string& section, const std::string& name, uint64_t default_value) const;
// Get a real (floating point double) value from INI file, returning
// default_value if not found or not a valid floating point value
// according to strtod().
INI_API double GetReal(const std::string& section, const std::string& name, double default_value) const;
// Get a boolean value from INI file, returning default_value if not found or if
// not a valid true/false value. Valid true values are "true", "yes", "on", "1",
// and valid false values are "false", "no", "off", "0" (not case sensitive).
INI_API bool GetBoolean(const std::string& section, const std::string& name, bool default_value) const;
// Return true if the given section exists (section must contain at least
// one name=value pair).
INI_API bool HasSection(const std::string& section) const;
// Return true if a value exists with the given section and field names.
INI_API bool HasValue(const std::string& section, const std::string& name) const;
private:
int _error;
std::map<std::string, std::string> _values;
static std::string MakeKey(const std::string& section, const std::string& name);
static int ValueHandler(void* user, const char* section, const char* name,
const char* value);
};
#endif // INIREADER_H

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#ifndef THREAD_H
#define THREAD_H
#include <thread>
#include <chrono>
#include <atomic>
class MThread
{
public:
MThread();
virtual ~MThread();
std::thread::id getId();
void start();
void detach();
void stop();
void join();
void sleep(int sec);
bool isStoped();
virtual void run() = 0;
private:
std::atomic<bool> stopState;
std::thread th;
};
#endif

44
inc/RkEncoder.h Normal file
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#ifndef RK_ENCODER_H
#define RK_ENCODER_H
#include <bits/stdint-uintn.h>
#include <rockchip/rk_mpi.h>
#include <rockchip/rk_mpi_cmd.h>
#include <rockchip/rk_type.h>
#include <rockchip/mpp_buffer.h>
#include <rockchip/mpp_frame.h>
typedef struct
{
MppFrameFormat fmt;
int width;
int height;
int hor_stride;
int ver_stride;
int frame_size;
int fps;
int fix_qp;
} Encoder_Param_t;
class RkEncoder
{
public:
RkEncoder(Encoder_Param_t param);
~RkEncoder();
int init();
int encode(void *inbuf, int insize, uint8_t *outbuf);
int startCode3(uint8_t *buf);
int startCode4(uint8_t *buf);
private:
Encoder_Param_t m_param;
MppCtx m_contex;
MppApi *m_mpi;
MppPacket m_packet = nullptr;
MppFrame m_frame = nullptr;
MppBuffer m_buffer = nullptr;
};
#endif

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inc/ini.h Normal file
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#ifndef INI_H
#define INI_H
/* Make this header file easier to include in C++ code */
#ifdef __cplusplus
extern "C" {
#endif
#include <stdio.h>
/* Nonzero if ini_handler callback should accept lineno parameter. */
#ifndef INI_HANDLER_LINENO
#define INI_HANDLER_LINENO 0
#endif
/* Visibility symbols, required for Windows DLLs */
#ifndef INI_API
#if defined _WIN32 || defined __CYGWIN__
# ifdef INI_SHARED_LIB
# ifdef INI_SHARED_LIB_BUILDING
# define INI_API __declspec(dllexport)
# else
# define INI_API __declspec(dllimport)
# endif
# else
# define INI_API
# endif
#else
# if defined(__GNUC__) && __GNUC__ >= 4
# define INI_API __attribute__ ((visibility ("default")))
# else
# define INI_API
# endif
#endif
#endif
/* Typedef for prototype of handler function. */
#if INI_HANDLER_LINENO
typedef int (*ini_handler)(void* user, const char* section,
const char* name, const char* value,
int lineno);
#else
typedef int (*ini_handler)(void* user, const char* section,
const char* name, const char* value);
#endif
/* Typedef for prototype of fgets-style reader function. */
typedef char* (*ini_reader)(char* str, int num, void* stream);
/* Parse given INI-style file. May have [section]s, name=value pairs
(whitespace stripped), and comments starting with ';' (semicolon). Section
is "" if name=value pair parsed before any section heading. name:value
pairs are also supported as a concession to Python's configparser.
For each name=value pair parsed, call handler function with given user
pointer as well as section, name, and value (data only valid for duration
of handler call). Handler should return nonzero on success, zero on error.
Returns 0 on success, line number of first error on parse error (doesn't
stop on first error), -1 on file open error, or -2 on memory allocation
error (only when INI_USE_STACK is zero).
*/
INI_API int ini_parse(const char* filename, ini_handler handler, void* user);
/* Same as ini_parse(), but takes a FILE* instead of filename. This doesn't
close the file when it's finished -- the caller must do that. */
INI_API int ini_parse_file(FILE* file, ini_handler handler, void* user);
/* Same as ini_parse(), but takes an ini_reader function pointer instead of
filename. Used for implementing custom or string-based I/O (see also
ini_parse_string). */
INI_API int ini_parse_stream(ini_reader reader, void* stream, ini_handler handler,
void* user);
/* Same as ini_parse(), but takes a zero-terminated string with the INI data
instead of a file. Useful for parsing INI data from a network socket or
already in memory. */
INI_API int ini_parse_string(const char* string, ini_handler handler, void* user);
/* Nonzero to allow multi-line value parsing, in the style of Python's
configparser. If allowed, ini_parse() will call the handler with the same
name for each subsequent line parsed. */
#ifndef INI_ALLOW_MULTILINE
#define INI_ALLOW_MULTILINE 1
#endif
/* Nonzero to allow a UTF-8 BOM sequence (0xEF 0xBB 0xBF) at the start of
the file. See https://github.com/benhoyt/inih/issues/21 */
#ifndef INI_ALLOW_BOM
#define INI_ALLOW_BOM 1
#endif
/* Chars that begin a start-of-line comment. Per Python configparser, allow
both ; and # comments at the start of a line by default. */
#ifndef INI_START_COMMENT_PREFIXES
#define INI_START_COMMENT_PREFIXES ";#"
#endif
/* Nonzero to allow inline comments (with valid inline comment characters
specified by INI_INLINE_COMMENT_PREFIXES). Set to 0 to turn off and match
Python 3.2+ configparser behaviour. */
#ifndef INI_ALLOW_INLINE_COMMENTS
#define INI_ALLOW_INLINE_COMMENTS 1
#endif
#ifndef INI_INLINE_COMMENT_PREFIXES
#define INI_INLINE_COMMENT_PREFIXES ";"
#endif
/* Nonzero to use stack for line buffer, zero to use heap (malloc/free). */
#ifndef INI_USE_STACK
#define INI_USE_STACK 1
#endif
/* Maximum line length for any line in INI file (stack or heap). Note that
this must be 3 more than the longest line (due to '\r', '\n', and '\0'). */
#ifndef INI_MAX_LINE
#define INI_MAX_LINE 200
#endif
/* Nonzero to allow heap line buffer to grow via realloc(), zero for a
fixed-size buffer of INI_MAX_LINE bytes. Only applies if INI_USE_STACK is
zero. */
#ifndef INI_ALLOW_REALLOC
#define INI_ALLOW_REALLOC 0
#endif
/* Initial size in bytes for heap line buffer. Only applies if INI_USE_STACK
is zero. */
#ifndef INI_INITIAL_ALLOC
#define INI_INITIAL_ALLOC 200
#endif
/* Stop parsing on first error (default is to keep parsing). */
#ifndef INI_STOP_ON_FIRST_ERROR
#define INI_STOP_ON_FIRST_ERROR 0
#endif
/* Nonzero to call the handler at the start of each new section (with
name and value NULL). Default is to only call the handler on
each name=value pair. */
#ifndef INI_CALL_HANDLER_ON_NEW_SECTION
#define INI_CALL_HANDLER_ON_NEW_SECTION 0
#endif
/* Nonzero to allow a name without a value (no '=' or ':' on the line) and
call the handler with value NULL in this case. Default is to treat
no-value lines as an error. */
#ifndef INI_ALLOW_NO_VALUE
#define INI_ALLOW_NO_VALUE 0
#endif
/* Nonzero to use custom ini_malloc, ini_free, and ini_realloc memory
allocation functions (INI_USE_STACK must also be 0). These functions must
have the same signatures as malloc/free/realloc and behave in a similar
way. ini_realloc is only needed if INI_ALLOW_REALLOC is set. */
#ifndef INI_CUSTOM_ALLOCATOR
#define INI_CUSTOM_ALLOCATOR 0
#endif
#ifdef __cplusplus
}
#endif
#endif /* INI_H */

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#ifndef TRANS_CODE_H
#define TRANS_CODE_H
#include <functional>
#include <atomic>
#include <string>
#include <vector>
#include "MThread.h"
#include "V4l2Device.h"
#include "V4l2Capture.h"
#include "RkEncoder.h"
#include "DeCompress.h"
class TransCoder : public MThread
{
public:
typedef struct {
int width;
int height;
int fps;
int fix_qp;
std::string format;
std::string device_name;
} Config_t;
TransCoder();
~TransCoder();
void init();
void run() override;
void setOnEncoderDataCallback(std::function<void(std::vector<uint8_t> &&)> callback);
TransCoder::Config_t const &getConfig() const;
private:
Config_t config;
V4l2Capture *capture;
uint8_t *yuv_buf;
int yuv_size;
uint8_t *encodeData;
int frameSize;
std::function<void(std::vector<uint8_t> &&)> onEncodedDataCallback;
RkEncoder *rk_encoder;
DeCompress *decompress;
};
#endif

29
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#! /usr/bin/bash
CURRENT_DIR=$(pwd)
MPP_VERSION=1.0.5
MPP_SRC=mpp-${MPP_VERSION}
MPP_SRC_DIR=${CURRENT_DIR}/thirdparty/${MPP_SRC}
MPP_URL=https://github.com/rockchip-linux/mpp/archive/refs/tags/${MPP_VERSION}.tar.gz
MPP_PREFIX=${CURRENT_DIR}/thirdparty/mpp
cd ${CURRENT_DIR}/thirdparty
if [ ! -d "${MPP_PREFIX}" ]
then
(wget -O "${MPP_SRC}.tar" ${MPP_URL} \
&& tar -xf "${MPP_SRC}.tar") || exit
rm -f "${MPP_SRC}.tar"
else
echo "already build mpp"
fi
if [ ! -d "${MPP_PREFIX}" ]
then
cd ${MPP_SRC_DIR}
(cmake -DCMAKE_INSTALL_PREFIX=${MPP_PREFIX} .) || exit
(make -j4 && make install) || exit
cd ${CURRENT_DIR}
(rm -rf "${MPP_SRC_DIR}") || exit
else
echo "already build mpp"
fi

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#include "CamFramedSource.h"
#include "log.h"
CamFramedSource *CamFramedSource::createNew(UsageEnvironment &env, TransCoder &transcoder)
{
return new CamFramedSource(env, transcoder);
}
CamFramedSource::CamFramedSource(UsageEnvironment &env, TransCoder &transcoder) :
FramedSource(env),
transcoder_(transcoder),
eventTriggerId(0),
max_nalu_size_bytes(0)
{
// create trigger invoking method which will deliver frame
eventTriggerId = envir().taskScheduler().createEventTrigger(CamFramedSource::deliverFrame0);
encodedDataBuffer.reserve(5); // reserve enough space for handling incoming encoded data
// set transcoder's callback indicating new encoded data availabity
transcoder_.setOnEncoderDataCallback(std::bind(&CamFramedSource::onEncodedData, this, std::placeholders::_1));
LOG(INFO, "Starting to capture and encoder video from video %s",
transcoder_.getConfig().device_name.c_str());
transcoder_.start();
transcoder_.detach();
}
CamFramedSource::~CamFramedSource()
{
transcoder_.stop();
envir().taskScheduler().deleteEventTrigger(eventTriggerId);
encodedDataBuffer.clear();
encodedDataBuffer.shrink_to_fit();
}
void CamFramedSource::onEncodedData(std::vector<uint8_t> &&data)
{
if (!isCurrentlyAwaitingData()) {
return;
}
encodedDataMutex.lock();
encodedDataBuffer.emplace_back(std::move(data));
encodedDataMutex.unlock();
envir().taskScheduler().triggerEvent(eventTriggerId, this);
}
void CamFramedSource::deliverFrame0(void *clientData) {
((CamFramedSource*) clientData)->deliverData();
}
void CamFramedSource::deliverData() {
if (!isCurrentlyAwaitingData()) {
return;
}
encodedDataMutex.lock();
encodedData = std::move(encodedDataBuffer.back());
encodedDataBuffer.pop_back();
encodedDataMutex.unlock();
if (encodedData.size() > max_nalu_size_bytes) {
max_nalu_size_bytes = encodedData.size();
}
if (encodedData.size() > fMaxSize) {
fFrameSize = fMaxSize;
fNumTruncatedBytes = static_cast<unsigned int>(encodedData.size() - fMaxSize);
LOG(WARN, "Exceeded max size, truncated: %d, size: %d", fNumTruncatedBytes, encodedData.size());
} else {
fFrameSize = static_cast<unsigned int> (encodedData.size());
}
// can be changed to the actual frame's captured time
gettimeofday(&fPresentationTime, nullptr);
// DO NOT CHANGE ADDRESS, ONLY COPY (see Live555 docs)
memcpy(fTo, encodedData.data(), fFrameSize);
// should be invoked after successfully getting data
FramedSource::afterGetting(this);
}
void CamFramedSource::doGetNextFrame()
{
if (!encodedDataBuffer.empty()) {
deliverData();
} else {
fFrameSize = 0;
return;
}
}
void CamFramedSource::doStopGettingFrames()
{
LOG(NOTICE, "Stop getting frames from the camera: %s", transcoder_.getConfig().device_name.c_str());
FramedSource::doStopGettingFrames();
}

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#include "CamRTSPServer.h"
#include "INIReader.h"
#include "log.h"
CamRTSPServer::CamRTSPServer() :
watcher_(0),
scheduler_(nullptr),
env_(nullptr)
{
INIReader configs("./configs/config.ini");
if (configs.ParseError() < 0) {
LOG(ERROR, "read server config failed.");
return;
} else {
config.rtspPort = configs.GetInteger("server", "rtsp_port", 8554);
config.streamName = configs.Get("server", "stream_name", "unicast");
config.maxBufSize = configs.GetInteger("server", "max_buf_size", 2000000);
config.maxPacketSize = configs.GetInteger("server", "max_packet_size", 1500);
config.isHttpEnable = configs.GetBoolean("server", "http_ebable", false);
config.httpPort = configs.GetInteger("server", "http_port", 8000);
config.bitrate = configs.GetInteger("server", "bitrate", 2000);
}
OutPacketBuffer::maxSize = config.maxBufSize;
LOG(NOTICE, "setting OutPacketbuffer max size to %d (bytes)", OutPacketBuffer::maxSize);
scheduler_ = BasicTaskScheduler::createNew();
env_ = BasicUsageEnvironment::createNew(*scheduler_);
}
CamRTSPServer::~CamRTSPServer()
{
Medium::close(server_);
for (auto &src : allocatedVideoSources) {
if(src)
Medium::close(src);
}
env_->reclaim();
if (scheduler_)
delete scheduler_;
transcoders_.clear();
allocatedVideoSources.clear();
watcher_ = 0;
LOG(NOTICE, "RTSP server has been destructed!");
}
void CamRTSPServer::stopServer()
{
LOG(NOTICE, "Stop server is involed!");
watcher_ = 's';
}
void CamRTSPServer::run()
{
// create server listening on the specified RTSP port
server_ = RTSPServer::createNew(*env_, config.rtspPort);
if (!server_) {
LOG(ERROR, "Failed to create RTSP server: %s", env_->getResultMsg());
exit(1);
}
LOG(NOTICE, "Server has been created on port %d", config.rtspPort);
if (config.isHttpEnable) {
auto ret = server_->setUpTunnelingOverHTTP(config.httpPort);
if (ret) {
LOG(NOTICE, "Enable HTTP tunneling over:%d", config.httpPort);
}
}
LOG(INFO, "Creating media session for each transcoder");
for (auto &transcoder : transcoders_) {
addMediaSession(transcoder, config.streamName.c_str(), "stream description");
}
env_->taskScheduler().doEventLoop(&watcher_); // do not return;
}
void CamRTSPServer::announceStream(ServerMediaSession *sms, const std::string &deviceName)
{
auto url = server_->rtspURL(sms);
LOG(NOTICE, "Play the stream of the %s, url: %s", deviceName.c_str(), url);
delete[] url;
}
void CamRTSPServer::addMediaSession(std::shared_ptr<TransCoder> transoder, const std::string &streamName,
const std::string &streamDesc)
{
LOG(INFO, "Adding media session for camera: %s", transoder->getConfig().device_name.c_str());
// create framed source for camera
auto framedSource = CamFramedSource::createNew(*env_, *transoder);
// store it in order to cleanup after
allocatedVideoSources.push_back(framedSource);
// store it in order to replicator for the framed source **
auto replicator = StreamReplicator::createNew(*env_, framedSource, False);
// create media session with the specified topic and descripton
auto sms = ServerMediaSession::createNew(*env_, streamName.c_str(), "stream information",
streamDesc.c_str(), False, "a=fmtp:96\n");
// add unicast subsession
sms->addSubsession(CamUbicastServerMediaSubsession::createNew(*env_, replicator, config.bitrate, config.maxPacketSize));
server_->addServerMediaSession(sms);
announceStream(sms, transoder->getConfig().device_name);
}
void CamRTSPServer::addTranscoder(std::shared_ptr<TransCoder> transcoder)
{
transcoders_.emplace_back(transcoder);
}

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#include "CamUnicastServerMediaSubsession.h"
#include "log.h"
CamUbicastServerMediaSubsession *
CamUbicastServerMediaSubsession::createNew(UsageEnvironment &env,
StreamReplicator *replicator,
size_t estBitrate, size_t udpDatagramSize)
{
return new CamUbicastServerMediaSubsession(env, replicator, estBitrate, udpDatagramSize);
}
CamUbicastServerMediaSubsession::CamUbicastServerMediaSubsession(UsageEnvironment &env,
StreamReplicator *replicator,
size_t estBitrate,
size_t udpDatagramSize) :
OnDemandServerMediaSubsession(env, False),
replicator_(replicator),
estBitrate_(estBitrate),
udpDatagramSize_(udpDatagramSize)
{
LOG(INFO, "Unicast media subsession with UDP datagram size of %d\n" \
"\tand estimated bitrate of %d (kbps) is created", udpDatagramSize, estBitrate);
}
FramedSource *
CamUbicastServerMediaSubsession::createNewStreamSource(unsigned clientSessionId, unsigned &estBitrate)
{
estBitrate = static_cast<unsigned int> (this->estBitrate_);
auto source = replicator_->createStreamReplica();
// only discrete frames are being sent (w/o start code bytes)
return H264VideoStreamDiscreteFramer::createNew(envir(), source);
}
RTPSink *
CamUbicastServerMediaSubsession::createNewRTPSink(Groupsock *rtpGroupsock,
unsigned char rtpPayloadTypeIfDynamic,
FramedSource *inputSource)
{
auto sink = H264VideoRTPSink::createNew(envir(), rtpGroupsock, rtpPayloadTypeIfDynamic);
sink->setPacketSizes(static_cast<unsigned int> (udpDatagramSize_), static_cast<unsigned int>(udpDatagramSize_));
return sink;
}

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#include "DeCompress.h"
#include <stdio.h>
#include <stdlib.h>
#include "log.h"
DeCompress::DeCompress()
{
m_handler = tjInitDecompress();
}
DeCompress::~DeCompress()
{
tjDestroy(m_handler);
}
int DeCompress::tjpeg2yuv(unsigned char *jpeg_buffer, int jpeg_size, unsigned char **yuv_buffer, int *yuv_size) {
int subsample, colorspace;
int flags = 0;
int padding = 4; // 1或4均可，但不能是0
int ret = 0;
tjDecompressHeader3(m_handler, jpeg_buffer, jpeg_size, &width, &height, &subsample, &colorspace);
//LOG(INFO, "w: %d h: %d subsample: %d color: %d\n", width, height, 1, colorspace);
yuv_type = subsample;
*yuv_size = tjBufSizeYUV2(width, padding, height, subsample);
*yuv_buffer = (unsigned char *)malloc(*yuv_size);
if (*yuv_buffer == NULL)
{
LOG(ERROR, "malloc buffer for rgb failed.\n");
return -1;
}
ret = tjDecompressToYUV2(m_handler, jpeg_buffer, jpeg_size, *yuv_buffer, width,
padding, height, TJFLAG_FASTDCT);
if (ret < 0)
{
LOG(INFO,"compress to jpeg failed: %s\n", tjGetErrorStr());
return -1;
}
return ret;
}

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#include <algorithm>
#include <cctype>
#include <cstdlib>
#include "ini.h"
#include "INIReader.h"
using std::string;
INIReader::INIReader(const string& filename)
{
_error = ini_parse(filename.c_str(), ValueHandler, this);
}
INIReader::INIReader(const char *buffer, size_t buffer_size)
{
string content(buffer, buffer_size);
_error = ini_parse_string(content.c_str(), ValueHandler, this);
}
int INIReader::ParseError() const
{
return _error;
}
string INIReader::Get(const string& section, const string& name, const string& default_value) const
{
string key = MakeKey(section, name);
// Use _values.find() here instead of _values.at() to support pre C++11 compilers
return _values.count(key) ? _values.find(key)->second : default_value;
}
string INIReader::GetString(const string& section, const string& name, const string& default_value) const
{
const string str = Get(section, name, "");
return str.empty() ? default_value : str;
}
long INIReader::GetInteger(const string& section, const string& name, long default_value) const
{
string valstr = Get(section, name, "");
const char* value = valstr.c_str();
char* end;
// This parses "1234" (decimal) and also "0x4D2" (hex)
long n = strtol(value, &end, 0);
return end > value ? n : default_value;
}
INI_API int64_t INIReader::GetInteger64(const std::string& section, const std::string& name, int64_t default_value) const
{
string valstr = Get(section, name, "");
const char* value = valstr.c_str();
char* end;
// This parses "1234" (decimal) and also "0x4D2" (hex)
int64_t n = strtoll(value, &end, 0);
return end > value ? n : default_value;
}
unsigned long INIReader::GetUnsigned(const string& section, const string& name, unsigned long default_value) const
{
string valstr = Get(section, name, "");
const char* value = valstr.c_str();
char* end;
// This parses "1234" (decimal) and also "0x4D2" (hex)
unsigned long n = strtoul(value, &end, 0);
return end > value ? n : default_value;
}
INI_API uint64_t INIReader::GetUnsigned64(const std::string& section, const std::string& name, uint64_t default_value) const
{
string valstr = Get(section, name, "");
const char* value = valstr.c_str();
char* end;
// This parses "1234" (decimal) and also "0x4D2" (hex)
uint64_t n = strtoull(value, &end, 0);
return end > value ? n : default_value;
}
double INIReader::GetReal(const string& section, const string& name, double default_value) const
{
string valstr = Get(section, name, "");
const char* value = valstr.c_str();
char* end;
double n = strtod(value, &end);
return end > value ? n : default_value;
}
bool INIReader::GetBoolean(const string& section, const string& name, bool default_value) const
{
string valstr = Get(section, name, "");
// Convert to lower case to make string comparisons case-insensitive
std::transform(valstr.begin(), valstr.end(), valstr.begin(),
[](const unsigned char& ch) { return static_cast<unsigned char>(::tolower(ch)); });
if (valstr == "true" || valstr == "yes" || valstr == "on" || valstr == "1")
return true;
else if (valstr == "false" || valstr == "no" || valstr == "off" || valstr == "0")
return false;
else
return default_value;
}
bool INIReader::HasSection(const string& section) const
{
const string key = MakeKey(section, "");
std::map<string, string>::const_iterator pos = _values.lower_bound(key);
if (pos == _values.end())
return false;
// Does the key at the lower_bound pos start with "section"?
return pos->first.compare(0, key.length(), key) == 0;
}
bool INIReader::HasValue(const string& section, const string& name) const
{
string key = MakeKey(section, name);
return _values.count(key);
}
string INIReader::MakeKey(const string& section, const string& name)
{
string key = section + "=" + name;
// Convert to lower case to make section/name lookups case-insensitive
std::transform(key.begin(), key.end(), key.begin(),
[](const unsigned char& ch) { return static_cast<unsigned char>(::tolower(ch)); });
return key;
}
int INIReader::ValueHandler(void* user, const char* section, const char* name,
const char* value)
{
if (!name) // Happens when INI_CALL_HANDLER_ON_NEW_SECTION enabled
return 1;
INIReader* reader = static_cast<INIReader*>(user);
string key = MakeKey(section, name);
if (reader->_values[key].size() > 0)
reader->_values[key] += "\n";
reader->_values[key] += value ? value : "";
return 1;
}

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#include "MThread.h"
#include "log.h"
MThread::MThread() {}
MThread::~MThread()
{
if (!this->isStoped()) {
this->stop();
}
if (this->th.joinable()) {
this->th.join();
}
}
void MThread::start()
{
std::thread thr(&MThread::run, this);
this->th = std::move(thr);
}
void MThread::stop()
{
this->stopState = true;
if (this->th.joinable()) {
this->th.join();
}
}
void MThread::join()
{
this->th.join();
}
void MThread::detach()
{
this->th.detach();
}
void MThread::sleep(int sec)
{
std::this_thread::sleep_for(std::chrono::seconds(sec));
}
std::thread::id MThread::getId()
{
return this->th.get_id();
}
bool MThread::isStoped()
{
return this->stopState;
}

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#include "RkEncoder.h"
#include "log.h"
#include <unistd.h>
#include <memory.h>
#define MPP_ALIGN(x, a) (((x) + (a) - 1) & ~((a) - 1))
RkEncoder::RkEncoder(Encoder_Param_t param) : m_param(param)
{
m_param.hor_stride = MPP_ALIGN(m_param.width, 16);
m_param.ver_stride = MPP_ALIGN(m_param.height, 16);
if (m_param.fmt <= MPP_FMT_YUV422SP_VU) {
m_param.hor_stride;
m_param.frame_size = m_param.hor_stride * m_param.ver_stride * 2;
}
else if (m_param.fmt <= MPP_FMT_YUV422_VYUY) {
m_param.hor_stride *= 2;
m_param.frame_size = m_param.hor_stride * m_param.ver_stride;
}
else {
m_param.frame_size = m_param.hor_stride * m_param.ver_stride * 4;
}
LOG(INFO, "frame_size %d", m_param.frame_size);
}
RkEncoder::~RkEncoder()
{
}
int RkEncoder::init()
{
MppEncCfg cfg;
MppCodingType type = MPP_VIDEO_CodingAVC;
int ret = 0;
ret = mpp_create(&m_contex, &m_mpi);
if (ret) {
LOG(ERROR, "mpp create failed. error:%d", ret);
return -1;
}
ret = mpp_init(m_contex, MPP_CTX_ENC, type);
if (ret) {
LOG(ERROR, "mpp init failed. error:%d", ret);
return -1;
}
ret = mpp_enc_cfg_init(&cfg);
if (ret || !cfg) {
LOG(ERROR, "mpp_enc_cfg_init failed error:%d", ret);
return -1;
}
mpp_buffer_get(NULL, &m_buffer, m_param.frame_size);
/* fix input / output frame rate */
mpp_enc_cfg_set_s32(cfg, "rc:fps_in_flex", 0);
mpp_enc_cfg_set_s32(cfg, "rc:fps_in_num", m_param.fps);
mpp_enc_cfg_set_s32(cfg, "rc:fps_in_denom", 1);
mpp_enc_cfg_set_s32(cfg, "rc:fps_out_flex", 0);
mpp_enc_cfg_set_s32(cfg, "rc:fps_out_num", m_param.fps);
mpp_enc_cfg_set_s32(cfg, "rc:fps_out_denom", 1);
/* setup bitrate for different rc_mode */
mpp_enc_cfg_set_s32(cfg, "rc:bps_target", 14400);
mpp_enc_cfg_set_s32(cfg, "prep:width", m_param.width);
mpp_enc_cfg_set_s32(cfg, "prep:height", m_param.height);
mpp_enc_cfg_set_s32(cfg, "prep:hor_stride", m_param.hor_stride);
mpp_enc_cfg_set_s32(cfg, "prep:ver_stride", m_param.ver_stride);
mpp_enc_cfg_set_s32(cfg, "prep:format", m_param.fmt);
mpp_enc_cfg_set_s32(cfg, "rc:mode", MPP_ENC_RC_MODE_FIXQP);
mpp_enc_cfg_set_s32(cfg, "rc:qp_init", m_param.fix_qp);
mpp_enc_cfg_set_s32(cfg, "rc:qp_max", m_param.fix_qp);
mpp_enc_cfg_set_s32(cfg, "rc:qp_min", m_param.fix_qp);
mpp_enc_cfg_set_s32(cfg, "rc:qp_max_i", m_param.fix_qp);
mpp_enc_cfg_set_s32(cfg, "rc:qp_min_i", m_param.fix_qp);
mpp_enc_cfg_set_s32(cfg, "rc:qp_ip", 0);
mpp_enc_cfg_set_s32(cfg, "rc:fqp_min_i", m_param.fix_qp);
mpp_enc_cfg_set_s32(cfg, "rc:fqp_max_i", m_param.fix_qp);
mpp_enc_cfg_set_s32(cfg, "rc:fqp_min_p", m_param.fix_qp);
mpp_enc_cfg_set_s32(cfg, "rc:fqp_max_p", m_param.fix_qp);
mpp_enc_cfg_set_s32(cfg, "h264:profile", 100);
/*
* H.264 level_idc parameter
* 10 / 11 / 12 / 13 - qcif@15fps / cif@7.5fps / cif@15fps / cif@30fps
* 20 / 21 / 22 - cif@30fps / half-D1@@25fps / D1@12.5fps
* 30 / 31 / 32 - D1@25fps / 720p@30fps / 720p@60fps
* 40 / 41 / 42 - 1080p@30fps / 1080p@30fps / 1080p@60fps
* 50 / 51 / 52 - 4K@30fps
*/
mpp_enc_cfg_set_s32(cfg, "h264:level", 40);
mpp_enc_cfg_set_s32(cfg, "h264:cabac_en", 1);
mpp_enc_cfg_set_s32(cfg, "h264:cabac_idc", 0);
mpp_enc_cfg_set_s32(cfg, "h264:trans8x8", 1);
ret = m_mpi->control(m_contex, MPP_ENC_SET_CFG, cfg);
if (ret) {
LOG(ERROR, "mpi control MPP_ENC_SET_CFG failed error:%d", ret);
mpp_enc_cfg_deinit(cfg);
return -1;
}
mpp_dec_cfg_deinit(cfg);
return ret;
}
int RkEncoder::encode(void *inbuf, int insize, uint8_t *outbuf)
{
int ret = 0;
ret = mpp_frame_init(&m_frame);
if (ret) {
LOG(ERROR, "mpp_frame_init failed\n");
return -1;
}
mpp_frame_set_width(m_frame, m_param.width);
mpp_frame_set_height(m_frame, m_param.height);
mpp_frame_set_hor_stride(m_frame, m_param.hor_stride);
mpp_frame_set_ver_stride(m_frame, m_param.ver_stride);
mpp_frame_set_fmt(m_frame, m_param.fmt);
mpp_frame_set_eos(m_frame, 1);
mpp_frame_set_buffer(m_frame, m_buffer);
LOG(INFO, "insize %d", insize);
memcpy(mpp_buffer_get_ptr(m_buffer), inbuf, insize);
ret = m_mpi->encode_put_frame(m_contex, m_frame);
if (ret) {
LOG(ERROR, "encoder put frame failed error:%d", ret);
return -1;
}
ret = m_mpi->encode_get_packet(m_contex, &m_packet);
if (ret) {
LOG(ERROR, "encoder get packet failed error:%d", ret);
return -1;
}
MppPacket m_extra_info;
ret = m_mpi->control(m_contex, MPP_ENC_GET_EXTRA_INFO, &m_extra_info);
if (ret) {
LOG(ERROR, "mpi control enc get extra info failed");
return -1;
}
void *ptr_extra_info = mpp_packet_get_data(m_extra_info);
size_t len_extra_info = mpp_packet_get_length(m_extra_info);
memcpy(outbuf, ptr_extra_info, len_extra_info);
mpp_packet_deinit(&m_extra_info);
void *ptr_video_data = mpp_packet_get_data(m_packet);
size_t len_video_data = mpp_packet_get_length(m_packet);
memcpy(outbuf + len_extra_info, ptr_video_data, len_video_data);
mpp_packet_deinit(&m_packet);
size_t len = len_extra_info + len_video_data;
return len;
}
int RkEncoder::startCode3(uint8_t *buf)
{
if (buf[0] == 0 && buf[1] == 0 && buf[2] == 1)
return 1;
else
return 0;
}
int RkEncoder::startCode4(uint8_t *buf)
{
if (buf[0] == 0 && buf[1] == 0 && buf[2] == 0 && buf[3] == 1)
return 1;
else
return 0;
}

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#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)
#define _CRT_SECURE_NO_WARNINGS
#endif
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include "ini.h"
#if !INI_USE_STACK
#if INI_CUSTOM_ALLOCATOR
#include <stddef.h>
void* ini_malloc(size_t size);
void ini_free(void* ptr);
void* ini_realloc(void* ptr, size_t size);
#else
#include <stdlib.h>
#define ini_malloc malloc
#define ini_free free
#define ini_realloc realloc
#endif
#endif
#define MAX_SECTION 50
#define MAX_NAME 50
/* Used by ini_parse_string() to keep track of string parsing state. */
typedef struct {
const char* ptr;
size_t num_left;
} ini_parse_string_ctx;
/* Strip whitespace chars off end of given string, in place. Return s. */
static char* rstrip(char* s)
{
char* p = s + strlen(s);
while (p > s && isspace((unsigned char)(*--p)))
*p = '\0';
return s;
}
/* Return pointer to first non-whitespace char in given string. */
static char* lskip(const char* s)
{
while (*s && isspace((unsigned char)(*s)))
s++;
return (char*)s;
}
/* Return pointer to first char (of chars) or inline comment in given string,
or pointer to NUL at end of string if neither found. Inline comment must
be prefixed by a whitespace character to register as a comment. */
static char* find_chars_or_comment(const char* s, const char* chars)
{
#if INI_ALLOW_INLINE_COMMENTS
int was_space = 0;
while (*s && (!chars || !strchr(chars, *s)) &&
!(was_space && strchr(INI_INLINE_COMMENT_PREFIXES, *s))) {
was_space = isspace((unsigned char)(*s));
s++;
}
#else
while (*s && (!chars || !strchr(chars, *s))) {
s++;
}
#endif
return (char*)s;
}
/* Similar to strncpy, but ensures dest (size bytes) is
NUL-terminated, and doesn't pad with NULs. */
static char* strncpy0(char* dest, const char* src, size_t size)
{
/* Could use strncpy internally, but it causes gcc warnings (see issue #91) */
size_t i;
for (i = 0; i < size - 1 && src[i]; i++)
dest[i] = src[i];
dest[i] = '\0';
return dest;
}
/* See documentation in header file. */
int ini_parse_stream(ini_reader reader, void* stream, ini_handler handler,
void* user)
{
/* Uses a fair bit of stack (use heap instead if you need to) */
#if INI_USE_STACK
char line[INI_MAX_LINE];
size_t max_line = INI_MAX_LINE;
#else
char* line;
size_t max_line = INI_INITIAL_ALLOC;
#endif
#if INI_ALLOW_REALLOC && !INI_USE_STACK
char* new_line;
size_t offset;
#endif
char section[MAX_SECTION] = "";
char prev_name[MAX_NAME] = "";
char* start;
char* end;
char* name;
char* value;
int lineno = 0;
int error = 0;
#if !INI_USE_STACK
line = (char*)ini_malloc(INI_INITIAL_ALLOC);
if (!line) {
return -2;
}
#endif
#if INI_HANDLER_LINENO
#define HANDLER(u, s, n, v) handler(u, s, n, v, lineno)
#else
#define HANDLER(u, s, n, v) handler(u, s, n, v)
#endif
/* Scan through stream line by line */
while (reader(line, (int)max_line, stream) != NULL) {
#if INI_ALLOW_REALLOC && !INI_USE_STACK
offset = strlen(line);
while (offset == max_line - 1 && line[offset - 1] != '\n') {
max_line *= 2;
if (max_line > INI_MAX_LINE)
max_line = INI_MAX_LINE;
new_line = ini_realloc(line, max_line);
if (!new_line) {
ini_free(line);
return -2;
}
line = new_line;
if (reader(line + offset, (int)(max_line - offset), stream) == NULL)
break;
if (max_line >= INI_MAX_LINE)
break;
offset += strlen(line + offset);
}
#endif
lineno++;
start = line;
#if INI_ALLOW_BOM
if (lineno == 1 && (unsigned char)start[0] == 0xEF &&
(unsigned char)start[1] == 0xBB &&
(unsigned char)start[2] == 0xBF) {
start += 3;
}
#endif
start = lskip(rstrip(start));
if (strchr(INI_START_COMMENT_PREFIXES, *start)) {
/* Start-of-line comment */
}
#if INI_ALLOW_MULTILINE
else if (*prev_name && *start && start > line) {
#if INI_ALLOW_INLINE_COMMENTS
end = find_chars_or_comment(start, NULL);
if (*end)
*end = '\0';
rstrip(start);
#endif
/* Non-blank line with leading whitespace, treat as continuation
of previous name's value (as per Python configparser). */
if (!HANDLER(user, section, prev_name, start) && !error)
error = lineno;
}
#endif
else if (*start == '[') {
/* A "[section]" line */
end = find_chars_or_comment(start + 1, "]");
if (*end == ']') {
*end = '\0';
strncpy0(section, start + 1, sizeof(section));
*prev_name = '\0';
#if INI_CALL_HANDLER_ON_NEW_SECTION
if (!HANDLER(user, section, NULL, NULL) && !error)
error = lineno;
#endif
}
else if (!error) {
/* No ']' found on section line */
error = lineno;
}
}
else if (*start) {
/* Not a comment, must be a name[=:]value pair */
end = find_chars_or_comment(start, "=:");
if (*end == '=' || *end == ':') {
*end = '\0';
name = rstrip(start);
value = end + 1;
#if INI_ALLOW_INLINE_COMMENTS
end = find_chars_or_comment(value, NULL);
if (*end)
*end = '\0';
#endif
value = lskip(value);
rstrip(value);
/* Valid name[=:]value pair found, call handler */
strncpy0(prev_name, name, sizeof(prev_name));
if (!HANDLER(user, section, name, value) && !error)
error = lineno;
}
else if (!error) {
/* No '=' or ':' found on name[=:]value line */
#if INI_ALLOW_NO_VALUE
*end = '\0';
name = rstrip(start);
if (!HANDLER(user, section, name, NULL) && !error)
error = lineno;
#else
error = lineno;
#endif
}
}
#if INI_STOP_ON_FIRST_ERROR
if (error)
break;
#endif
}
#if !INI_USE_STACK
ini_free(line);
#endif
return error;
}
/* See documentation in header file. */
int ini_parse_file(FILE* file, ini_handler handler, void* user)
{
return ini_parse_stream((ini_reader)fgets, file, handler, user);
}
/* See documentation in header file. */
int ini_parse(const char* filename, ini_handler handler, void* user)
{
FILE* file;
int error;
file = fopen(filename, "r");
if (!file)
return -1;
error = ini_parse_file(file, handler, user);
fclose(file);
return error;
}
/* An ini_reader function to read the next line from a string buffer. This
is the fgets() equivalent used by ini_parse_string(). */
static char* ini_reader_string(char* str, int num, void* stream) {
ini_parse_string_ctx* ctx = (ini_parse_string_ctx*)stream;
const char* ctx_ptr = ctx->ptr;
size_t ctx_num_left = ctx->num_left;
char* strp = str;
char c;
if (ctx_num_left == 0 || num < 2)
return NULL;
while (num > 1 && ctx_num_left != 0) {
c = *ctx_ptr++;
ctx_num_left--;
*strp++ = c;
if (c == '\n')
break;
num--;
}
*strp = '\0';
ctx->ptr = ctx_ptr;
ctx->num_left = ctx_num_left;
return str;
}
/* See documentation in header file. */
int ini_parse_string(const char* string, ini_handler handler, void* user) {
ini_parse_string_ctx ctx;
ctx.ptr = string;
ctx.num_left = strlen(string);
return ini_parse_stream((ini_reader)ini_reader_string, &ctx, handler,
user);
}

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src/main.cc Normal file
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#include <iostream>
#include "CamRTSPServer.h"
#include "INIReader.h"
#include "log.h"
int LogLevel;
int main()
{
INIReader configs("./configs/config.ini");
if (configs.ParseError() < 0) {
printf("read config failed.");
exit(1);
} else {
std::string level = configs.Get("log", "level", "NOTICE");
if (level == "NOTICE") {
initLogger(NOTICE);
}
else if (level == "INFO") {
initLogger(INFO);
}
else if (level == "ERROR") {
initLogger(ERROR);
}
}
try {
CamRTSPServer server;
server.addTranscoder(std::make_shared<TransCoder>());
server.run();
} catch (const std::invalid_argument &err) {
LOG(ERROR, err.what());
}
LOG(INFO, "test.");
return 0;
}

115
src/transcoder.cc Normal file
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#include <list>
#include <string.h>
#include "transcoder.h"
#include "INIReader.h"
#include "log.h"
TransCoder::TransCoder()
{
init();
}
TransCoder::~TransCoder()
{
}
void TransCoder::init()
{
std::list<uint32_t> formatList;
v4l2IoType ioTypeIn = IOTYPE_MMAP;
MppFrameFormat mpp_fmt;
INIReader configs("./configs/config.ini");
if (configs.ParseError() < 0) {
LOG(ERROR, "read video config failed.");
return;
} else {
config.width = configs.GetInteger("video", "width", 640);
config.height = configs.GetInteger("video", "height", 480);
config.fps = configs.GetInteger("video", "fps", 30);
config.fix_qp = configs.GetInteger("video", "fix_qp", 23);
config.format = configs.Get("video", "format", "UNKNOWN");
config.device_name = configs.Get("video", "device", "/dev/video0");
if (config.format == "YUY2") {
formatList.push_back(V4L2_PIX_FMT_YUYV);
mpp_fmt = MPP_FMT_YUV422_YUYV;
} else if (config.format == "MJPEG") {
formatList.push_back(V4L2_PIX_FMT_MJPEG);
mpp_fmt = MPP_FMT_YUV422P;
}
}
V4L2DeviceParameters param(config.device_name.c_str(),
formatList,
config.width,
config.height,
config.fps,
ioTypeIn,
DEBUG);
capture = V4l2Capture::create(param);
encodeData = (uint8_t *)malloc(capture->getBufferSize());
decompress = new DeCompress();
Encoder_Param_t encoder_param{
mpp_fmt,
config.width,
config.height,
0,
0,
0,
config.fps,
config.fix_qp};
rk_encoder = new RkEncoder(encoder_param);
rk_encoder->init();
}
void TransCoder::run()
{
timeval tv;
for (;;)
{
tv.tv_sec = 1;
tv.tv_usec = 0;
int startCode = 0;
int ret = capture->isReadable(&tv);
if (ret == 1) {
uint8_t buffer[capture->getBufferSize()];
int resize = capture->read((char *)buffer, sizeof(buffer));
frameSize = 0;
if (config.format == "MJPEG") {
ret = decompress->tjpeg2yuv(buffer, resize, &yuv_buf, &yuv_size);
if (ret >= 0) {
frameSize = rk_encoder->encode(yuv_buf, yuv_size, encodeData);
free(yuv_buf);
}
} else if (config.format == "YUY2") {
frameSize = rk_encoder->encode(buffer, resize, encodeData);
}
LOG(INFO, "encodeData size %d", frameSize);
if (rk_encoder->startCode3(encodeData))
startCode = 3;
else
startCode = 4;
if (onEncodedDataCallback && frameSize > 0) {
onEncodedDataCallback(std::vector<uint8_t>(encodeData + startCode, encodeData + frameSize));
}
} else if (ret == -1) {
LOG(ERROR, "stop %s", strerror(errno));
}
}
}
TransCoder::Config_t const &TransCoder::getConfig() const
{
return config;
}
void TransCoder::setOnEncoderDataCallback(std::function<void(std::vector<uint8_t> &&)> callback)
{
onEncodedDataCallback = std::move(callback);
}

1
thirdparty/libjpeg-turbo vendored Submodule

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Subproject commit 76a815fe9f81919b1e8bf0eedc7fd4cd43757607

1
thirdparty/libv4l2cc vendored Submodule

@ -0,0 +1 @@
Subproject commit 86989e1caa9ce7cf895fe1ef3316a9dab41a9485