mirror of
https://github.com/opencv/opencv.git
synced 2025-01-18 22:44:02 +08:00
Use fixed size types in AVIContainer structs
This commit is contained in:
parent
3fd2384b81
commit
fbb2cabe77
@ -7,66 +7,57 @@
|
||||
namespace cv
|
||||
{
|
||||
|
||||
const unsigned int RIFF_CC = CV_FOURCC('R','I','F','F');
|
||||
const unsigned int LIST_CC = CV_FOURCC('L','I','S','T');
|
||||
const unsigned int HDRL_CC = CV_FOURCC('h','d','r','l');
|
||||
const unsigned int AVIH_CC = CV_FOURCC('a','v','i','h');
|
||||
const unsigned int STRL_CC = CV_FOURCC('s','t','r','l');
|
||||
const unsigned int STRH_CC = CV_FOURCC('s','t','r','h');
|
||||
const unsigned int STRF_CC = CV_FOURCC('s','t','r','f');
|
||||
const unsigned int VIDS_CC = CV_FOURCC('v','i','d','s');
|
||||
const unsigned int MJPG_CC = CV_FOURCC('M','J','P','G');
|
||||
const unsigned int MOVI_CC = CV_FOURCC('m','o','v','i');
|
||||
const unsigned int IDX1_CC = CV_FOURCC('i','d','x','1');
|
||||
const unsigned int AVI_CC = CV_FOURCC('A','V','I',' ');
|
||||
const unsigned int AVIX_CC = CV_FOURCC('A','V','I','X');
|
||||
const unsigned int JUNK_CC = CV_FOURCC('J','U','N','K');
|
||||
const unsigned int INFO_CC = CV_FOURCC('I','N','F','O');
|
||||
const unsigned int ODML_CC = CV_FOURCC('o','d','m','l');
|
||||
const unsigned int DMLH_CC = CV_FOURCC('d','m','l','h');
|
||||
const uint32_t RIFF_CC = CV_FOURCC('R','I','F','F');
|
||||
const uint32_t LIST_CC = CV_FOURCC('L','I','S','T');
|
||||
const uint32_t HDRL_CC = CV_FOURCC('h','d','r','l');
|
||||
const uint32_t AVIH_CC = CV_FOURCC('a','v','i','h');
|
||||
const uint32_t STRL_CC = CV_FOURCC('s','t','r','l');
|
||||
const uint32_t STRH_CC = CV_FOURCC('s','t','r','h');
|
||||
const uint32_t STRF_CC = CV_FOURCC('s','t','r','f');
|
||||
const uint32_t VIDS_CC = CV_FOURCC('v','i','d','s');
|
||||
const uint32_t MJPG_CC = CV_FOURCC('M','J','P','G');
|
||||
const uint32_t MOVI_CC = CV_FOURCC('m','o','v','i');
|
||||
const uint32_t IDX1_CC = CV_FOURCC('i','d','x','1');
|
||||
const uint32_t AVI_CC = CV_FOURCC('A','V','I',' ');
|
||||
const uint32_t AVIX_CC = CV_FOURCC('A','V','I','X');
|
||||
const uint32_t JUNK_CC = CV_FOURCC('J','U','N','K');
|
||||
const uint32_t INFO_CC = CV_FOURCC('I','N','F','O');
|
||||
const uint32_t ODML_CC = CV_FOURCC('o','d','m','l');
|
||||
const uint32_t DMLH_CC = CV_FOURCC('d','m','l','h');
|
||||
|
||||
String fourccToString(unsigned int fourcc);
|
||||
String fourccToString(uint32_t fourcc);
|
||||
|
||||
#ifndef DWORD
|
||||
typedef unsigned int DWORD;
|
||||
#endif
|
||||
#ifndef WORD
|
||||
typedef unsigned short int WORD;
|
||||
#endif
|
||||
#ifndef LONG
|
||||
typedef int LONG;
|
||||
#endif
|
||||
|
||||
#pragma pack(push, 1)
|
||||
struct AviMainHeader
|
||||
{
|
||||
DWORD dwMicroSecPerFrame; // The period between video frames
|
||||
DWORD dwMaxBytesPerSec; // Maximum data rate of the file
|
||||
DWORD dwReserved1; // 0
|
||||
DWORD dwFlags; // 0x10 AVIF_HASINDEX: The AVI file has an idx1 chunk containing an index at the end of the file.
|
||||
DWORD dwTotalFrames; // Field of the main header specifies the total number of frames of data in file.
|
||||
DWORD dwInitialFrames; // Is used for interleaved files
|
||||
DWORD dwStreams; // Specifies the number of streams in the file.
|
||||
DWORD dwSuggestedBufferSize; // Field specifies the suggested buffer size forreading the file
|
||||
DWORD dwWidth; // Fields specify the width of the AVIfile in pixels.
|
||||
DWORD dwHeight; // Fields specify the height of the AVIfile in pixels.
|
||||
DWORD dwReserved[4]; // 0, 0, 0, 0
|
||||
uint32_t dwMicroSecPerFrame; // The period between video frames
|
||||
uint32_t dwMaxBytesPerSec; // Maximum data rate of the file
|
||||
uint32_t dwReserved1; // 0
|
||||
uint32_t dwFlags; // 0x10 AVIF_HASINDEX: The AVI file has an idx1 chunk containing an index at the end of the file.
|
||||
uint32_t dwTotalFrames; // Field of the main header specifies the total number of frames of data in file.
|
||||
uint32_t dwInitialFrames; // Is used for interleaved files
|
||||
uint32_t dwStreams; // Specifies the number of streams in the file.
|
||||
uint32_t dwSuggestedBufferSize; // Field specifies the suggested buffer size forreading the file
|
||||
uint32_t dwWidth; // Fields specify the width of the AVIfile in pixels.
|
||||
uint32_t dwHeight; // Fields specify the height of the AVIfile in pixels.
|
||||
uint32_t dwReserved[4]; // 0, 0, 0, 0
|
||||
};
|
||||
|
||||
struct AviStreamHeader
|
||||
{
|
||||
unsigned int fccType; // 'vids', 'auds', 'txts'...
|
||||
unsigned int fccHandler; // "cvid", "DIB "
|
||||
DWORD dwFlags; // 0
|
||||
DWORD dwPriority; // 0
|
||||
DWORD dwInitialFrames; // 0
|
||||
DWORD dwScale; // 1
|
||||
DWORD dwRate; // Fps (dwRate - frame rate for video streams)
|
||||
DWORD dwStart; // 0
|
||||
DWORD dwLength; // Frames number (playing time of AVI file as defined by scale and rate)
|
||||
DWORD dwSuggestedBufferSize; // For reading the stream
|
||||
DWORD dwQuality; // -1 (encoding quality. If set to -1, drivers use the default quality value)
|
||||
DWORD dwSampleSize; // 0 means that each frame is in its own chunk
|
||||
uint32_t fccType; // 'vids', 'auds', 'txts'...
|
||||
uint32_t fccHandler; // "cvid", "DIB "
|
||||
uint32_t dwFlags; // 0
|
||||
uint32_t dwPriority; // 0
|
||||
uint32_t dwInitialFrames; // 0
|
||||
uint32_t dwScale; // 1
|
||||
uint32_t dwRate; // Fps (dwRate - frame rate for video streams)
|
||||
uint32_t dwStart; // 0
|
||||
uint32_t dwLength; // Frames number (playing time of AVI file as defined by scale and rate)
|
||||
uint32_t dwSuggestedBufferSize; // For reading the stream
|
||||
uint32_t dwQuality; // -1 (encoding quality. If set to -1, drivers use the default quality value)
|
||||
uint32_t dwSampleSize; // 0 means that each frame is in its own chunk
|
||||
struct {
|
||||
short int left;
|
||||
short int top;
|
||||
@ -77,39 +68,39 @@ struct AviStreamHeader
|
||||
|
||||
struct AviIndex
|
||||
{
|
||||
DWORD ckid;
|
||||
DWORD dwFlags;
|
||||
DWORD dwChunkOffset;
|
||||
DWORD dwChunkLength;
|
||||
uint32_t ckid;
|
||||
uint32_t dwFlags;
|
||||
uint32_t dwChunkOffset;
|
||||
uint32_t dwChunkLength;
|
||||
};
|
||||
|
||||
struct BitmapInfoHeader
|
||||
{
|
||||
DWORD biSize; // Write header size of BITMAPINFO header structure
|
||||
LONG biWidth; // width in pixels
|
||||
LONG biHeight; // height in pixels
|
||||
WORD biPlanes; // Number of color planes in which the data is stored
|
||||
WORD biBitCount; // Number of bits per pixel
|
||||
DWORD biCompression; // Type of compression used (uncompressed: NO_COMPRESSION=0)
|
||||
DWORD biSizeImage; // Image Buffer. Quicktime needs 3 bytes also for 8-bit png
|
||||
uint32_t biSize; // Write header size of BITMAPINFO header structure
|
||||
int32_t biWidth; // width in pixels
|
||||
int32_t biHeight; // height in pixels
|
||||
uint16_t biPlanes; // Number of color planes in which the data is stored
|
||||
uint16_t biBitCount; // Number of bits per pixel
|
||||
uint32_t biCompression; // Type of compression used (uncompressed: NO_COMPRESSION=0)
|
||||
uint32_t biSizeImage; // Image Buffer. Quicktime needs 3 bytes also for 8-bit png
|
||||
// (biCompression==NO_COMPRESSION)?0:xDim*yDim*bytesPerPixel;
|
||||
LONG biXPelsPerMeter; // Horizontal resolution in pixels per meter
|
||||
LONG biYPelsPerMeter; // Vertical resolution in pixels per meter
|
||||
DWORD biClrUsed; // 256 (color table size; for 8-bit only)
|
||||
DWORD biClrImportant; // Specifies that the first x colors of the color table. Are important to the DIB.
|
||||
int32_t biXPelsPerMeter; // Horizontal resolution in pixels per meter
|
||||
int32_t biYPelsPerMeter; // Vertical resolution in pixels per meter
|
||||
uint32_t biClrUsed; // 256 (color table size; for 8-bit only)
|
||||
uint32_t biClrImportant; // Specifies that the first x colors of the color table. Are important to the DIB.
|
||||
};
|
||||
|
||||
struct RiffChunk
|
||||
{
|
||||
unsigned int m_four_cc;
|
||||
unsigned int m_size;
|
||||
uint32_t m_four_cc;
|
||||
uint32_t m_size;
|
||||
};
|
||||
|
||||
struct RiffList
|
||||
{
|
||||
unsigned int m_riff_or_list_cc;
|
||||
unsigned int m_size;
|
||||
unsigned int m_list_type_cc;
|
||||
uint32_t m_riff_or_list_cc;
|
||||
uint32_t m_size;
|
||||
uint32_t m_list_type_cc;
|
||||
};
|
||||
|
||||
class VideoInputStream
|
||||
@ -118,9 +109,9 @@ public:
|
||||
VideoInputStream();
|
||||
VideoInputStream(const String& filename);
|
||||
~VideoInputStream();
|
||||
VideoInputStream& read(char*, unsigned long long int);
|
||||
VideoInputStream& seekg(unsigned long long int);
|
||||
unsigned long long int tellg();
|
||||
VideoInputStream& read(char*, uint64_t);
|
||||
VideoInputStream& seekg(uint64_t);
|
||||
uint64_t tellg();
|
||||
bool isOpened() const;
|
||||
bool open(const String& filename);
|
||||
void close();
|
||||
@ -178,7 +169,7 @@ static const int AVIIF_KEYFRAME = 0x10;
|
||||
static const int MAX_BYTES_PER_SEC = 99999999;
|
||||
static const int SUG_BUFFER_SIZE = 1048576;
|
||||
|
||||
String fourccToString(unsigned int fourcc)
|
||||
String fourccToString(uint32_t fourcc)
|
||||
{
|
||||
return format("%c%c%c%c", fourcc & 255, (fourcc >> 8) & 255, (fourcc >> 16) & 255, (fourcc >> 24) & 255);
|
||||
}
|
||||
@ -221,7 +212,7 @@ void VideoInputStream::close()
|
||||
}
|
||||
}
|
||||
|
||||
VideoInputStream& VideoInputStream::read(char* buf, unsigned long long int count)
|
||||
VideoInputStream& VideoInputStream::read(char* buf, uint64_t count)
|
||||
{
|
||||
if(isOpened())
|
||||
{
|
||||
@ -231,14 +222,14 @@ VideoInputStream& VideoInputStream::read(char* buf, unsigned long long int count
|
||||
return *this;
|
||||
}
|
||||
|
||||
VideoInputStream& VideoInputStream::seekg(unsigned long long int pos)
|
||||
VideoInputStream& VideoInputStream::seekg(uint64_t pos)
|
||||
{
|
||||
m_is_valid = (fseek(m_f, (long)pos, SEEK_SET) == 0);
|
||||
m_is_valid = (fseek(m_f, (int32_t)pos, SEEK_SET) == 0);
|
||||
|
||||
return *this;
|
||||
}
|
||||
|
||||
unsigned long long int VideoInputStream::tellg()
|
||||
uint64_t VideoInputStream::tellg()
|
||||
{
|
||||
return ftell(m_f);
|
||||
}
|
||||
@ -283,9 +274,9 @@ void AVIReadContainer::close()
|
||||
m_file_stream->close();
|
||||
}
|
||||
|
||||
bool AVIReadContainer::parseIndex(unsigned int index_size, frame_list& in_frame_list)
|
||||
bool AVIReadContainer::parseIndex(uint32_t index_size, frame_list& in_frame_list)
|
||||
{
|
||||
unsigned long long int index_end = m_file_stream->tellg();
|
||||
uint64_t index_end = m_file_stream->tellg();
|
||||
index_end += index_size;
|
||||
bool result = false;
|
||||
|
||||
@ -296,7 +287,7 @@ bool AVIReadContainer::parseIndex(unsigned int index_size, frame_list& in_frame_
|
||||
|
||||
if(idx1.ckid == m_stream_id)
|
||||
{
|
||||
unsigned long long int absolute_pos = m_movi_start + idx1.dwChunkOffset;
|
||||
uint64_t absolute_pos = m_movi_start + idx1.dwChunkOffset;
|
||||
|
||||
if(absolute_pos < m_movi_end)
|
||||
{
|
||||
@ -322,7 +313,7 @@ bool AVIReadContainer::parseStrl(char stream_id, Codecs codec_)
|
||||
|
||||
if(m_file_stream && strh.m_four_cc == STRH_CC)
|
||||
{
|
||||
unsigned long long int next_strl_list = m_file_stream->tellg();
|
||||
uint64_t next_strl_list = m_file_stream->tellg();
|
||||
next_strl_list += strh.m_size;
|
||||
|
||||
AviStreamHeader strm_hdr;
|
||||
@ -332,8 +323,8 @@ bool AVIReadContainer::parseStrl(char stream_id, Codecs codec_)
|
||||
{
|
||||
if(strm_hdr.fccType == VIDS_CC && strm_hdr.fccHandler == MJPG_CC)
|
||||
{
|
||||
char first_digit = (stream_id/10) + '0';
|
||||
char second_digit = (stream_id%10) + '0';
|
||||
uint8_t first_digit = (stream_id/10) + '0';
|
||||
uint8_t second_digit = (stream_id%10) + '0';
|
||||
|
||||
if(m_stream_id == 0)
|
||||
{
|
||||
@ -382,7 +373,7 @@ bool AVIReadContainer::parseHdrlList(Codecs codec_)
|
||||
|
||||
if(m_file_stream && avih.m_four_cc == AVIH_CC)
|
||||
{
|
||||
unsigned long long int next_strl_list = m_file_stream->tellg();
|
||||
uint64_t next_strl_list = m_file_stream->tellg();
|
||||
next_strl_list += avih.m_size;
|
||||
|
||||
AviMainHeader avi_hdr;
|
||||
@ -391,13 +382,13 @@ bool AVIReadContainer::parseHdrlList(Codecs codec_)
|
||||
if(m_file_stream)
|
||||
{
|
||||
m_is_indx_present = ((avi_hdr.dwFlags & 0x10) != 0);
|
||||
DWORD number_of_streams = avi_hdr.dwStreams;
|
||||
uint32_t number_of_streams = avi_hdr.dwStreams;
|
||||
CV_Assert(number_of_streams < 0xFF);
|
||||
m_width = avi_hdr.dwWidth;
|
||||
m_height = avi_hdr.dwHeight;
|
||||
|
||||
//the number of strl lists must be equal to number of streams specified in main avi header
|
||||
for(DWORD i = 0; i < number_of_streams; ++i)
|
||||
for(uint32_t i = 0; i < number_of_streams; ++i)
|
||||
{
|
||||
m_file_stream->seekg(next_strl_list);
|
||||
RiffList strl_list;
|
||||
@ -433,7 +424,7 @@ bool AVIReadContainer::parseAviWithFrameList(frame_list& in_frame_list, Codecs c
|
||||
|
||||
if( m_file_stream && hdrl_list.m_riff_or_list_cc == LIST_CC && hdrl_list.m_list_type_cc == HDRL_CC )
|
||||
{
|
||||
unsigned long long int next_list = m_file_stream->tellg();
|
||||
uint64_t next_list = m_file_stream->tellg();
|
||||
//RiffList::m_size includes fourCC field which we have already read
|
||||
next_list += (hdrl_list.m_size - 4);
|
||||
//parseHdrlList sets m_is_indx_present flag which would be used later
|
||||
@ -472,7 +463,7 @@ bool AVIReadContainer::parseAviWithFrameList(frame_list& in_frame_list, Codecs c
|
||||
if(m_is_indx_present)
|
||||
{
|
||||
//we are expecting to find index section after movi list
|
||||
unsigned int indx_pos = (unsigned int)m_movi_start + 4;
|
||||
uint32_t indx_pos = (uint32_t)m_movi_start + 4;
|
||||
indx_pos += (some_list.m_size - 4);
|
||||
m_file_stream->seekg(indx_pos);
|
||||
|
||||
@ -520,6 +511,7 @@ std::vector<char> AVIReadContainer::readFrame(frame_iterator it)
|
||||
|
||||
RiffChunk chunk;
|
||||
*(m_file_stream) >> chunk;
|
||||
CV_Assert(chunk.m_size <= 0xFFFF);
|
||||
|
||||
std::vector<char> result;
|
||||
|
||||
@ -543,7 +535,7 @@ bool AVIReadContainer::parseRiff(frame_list &m_mjpeg_frames_)
|
||||
if( *m_file_stream && riff_list.m_riff_or_list_cc == RIFF_CC &&
|
||||
((riff_list.m_list_type_cc == AVI_CC) | (riff_list.m_list_type_cc == AVIX_CC)) )
|
||||
{
|
||||
unsigned long long int next_riff = m_file_stream->tellg();
|
||||
uint64_t next_riff = m_file_stream->tellg();
|
||||
//RiffList::m_size includes fourCC field which we have already read
|
||||
next_riff += (riff_list.m_size - 4);
|
||||
|
||||
@ -559,7 +551,7 @@ bool AVIReadContainer::parseRiff(frame_list &m_mjpeg_frames_)
|
||||
return result;
|
||||
}
|
||||
|
||||
void AVIReadContainer::printError(RiffList &list, unsigned int expected_fourcc)
|
||||
void AVIReadContainer::printError(RiffList &list, uint32_t expected_fourcc)
|
||||
{
|
||||
if(!m_file_stream)
|
||||
{
|
||||
@ -575,7 +567,7 @@ void AVIReadContainer::printError(RiffList &list, unsigned int expected_fourcc)
|
||||
}
|
||||
}
|
||||
|
||||
void AVIReadContainer::printError(RiffChunk &chunk, unsigned int expected_fourcc)
|
||||
void AVIReadContainer::printError(RiffChunk &chunk, uint32_t expected_fourcc)
|
||||
{
|
||||
if(!m_file_stream)
|
||||
{
|
||||
@ -742,6 +734,7 @@ void BitStream::patchInt(int val, size_t pos)
|
||||
}
|
||||
else
|
||||
{
|
||||
CV_Assert(pos < (1u<<31));
|
||||
long fpos = ftell(m_f);
|
||||
fseek(m_f, (long)pos, SEEK_SET);
|
||||
uchar buf[] = { (uchar)val, (uchar)(val >> 8), (uchar)(val >> 16), (uchar)(val >> 24) };
|
||||
|
Loading…
Reference in New Issue
Block a user