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Aegisub/FFmpegSource2/utils.cpp
Fredrik Mellbin b740812951 FFmpegSource2: more portability 
Originally committed to SVN as r2360.
2008-09-14 21:01:28 +00:00

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// Copyright (c) 2007-2008 Fredrik Mellbin
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#include "utils.h"
#include <string.h>
#include <errno.h>
#ifdef _MSC_VER
# include <intrin.h>
#endif
int GetCPUFlags() {
// FIXME Add proper feature detection when msvc isn't used
int Flags = PP_CPU_CAPS_MMX | PP_CPU_CAPS_MMX2;
#ifdef _MSC_VER
Flags = 0;
int CPUInfo[4];
__cpuid(CPUInfo, 0);
// PP and SWS defines have the same values for their defines so this actually works
if (CPUInfo[3] & (1 << 23))
Flags |= PP_CPU_CAPS_MMX;
if (CPUInfo[3] & (1 << 25))
Flags |= PP_CPU_CAPS_MMX2;
#endif
return Flags;
}
int ReadFrame(uint64_t FilePos, unsigned int &FrameSize, CompressedStream *CS, MatroskaReaderContext &Context, char *ErrorMsg, unsigned MsgSize) {
if (CS) {
char CSBuffer[4096];
unsigned int DecompressedFrameSize = 0;
cs_NextFrame(CS, FilePos, FrameSize);
for (;;) {
int ReadBytes = cs_ReadData(CS, CSBuffer, sizeof(CSBuffer));
if (ReadBytes < 0) {
_snprintf(ErrorMsg, MsgSize, "Error decompressing data: %s", cs_GetLastError(CS));
return 1;
}
if (ReadBytes == 0) {
FrameSize = DecompressedFrameSize;
return 0;
}
if (Context.BufferSize < DecompressedFrameSize + ReadBytes) {
Context.BufferSize = FrameSize;
Context.Buffer = (uint8_t *)realloc(Context.Buffer, Context.BufferSize + 16);
if (Context.Buffer == NULL) {
_snprintf(ErrorMsg, MsgSize, "Out of memory");
return 2;
}
}
memcpy(Context.Buffer + DecompressedFrameSize, CSBuffer, ReadBytes);
DecompressedFrameSize += ReadBytes;
}
} else {
if (_fseeki64(Context.ST.fp, FilePos, SEEK_SET)) {
_snprintf(ErrorMsg, MsgSize, "fseek(): %s", strerror(errno));
return 3;
}
if (Context.BufferSize < FrameSize) {
Context.BufferSize = FrameSize;
Context.Buffer = (uint8_t *)realloc(Context.Buffer, Context.BufferSize + 16);
if (Context.Buffer == NULL) {
_snprintf(ErrorMsg, MsgSize, "Out of memory");
return 4;
}
}
size_t ReadBytes = fread(Context.Buffer, 1, FrameSize, Context.ST.fp);
if (ReadBytes != FrameSize) {
if (ReadBytes == 0) {
if (feof(Context.ST.fp)) {
_snprintf(ErrorMsg, MsgSize, "Unexpected EOF while reading frame");
return 5;
} else {
_snprintf(ErrorMsg, MsgSize, "Error reading frame: %s", strerror(errno));
return 6;
}
} else {
_snprintf(ErrorMsg, MsgSize, "Short read while reading frame");
return 7;
}
_snprintf(ErrorMsg, MsgSize, "Unknown read error");
return 8;
}
return 0;
}
FrameSize = 0;
return 0;
}
bool AudioFMTIsFloat(SampleFormat FMT){
switch (FMT) {
case SAMPLE_FMT_FLT:
case SAMPLE_FMT_DBL:
return true;
default:
return false;
}
}
// used for matroska<->ffmpeg codec ID mapping to avoid Win32 dependency
typedef struct BITMAPINFOHEADER {
uint32_t biSize;
int32_t biWidth;
int32_t biHeight;
uint16_t biPlanes;
uint16_t biBitCount;
uint32_t biCompression;
uint32_t biSizeImage;
int32_t biXPelsPerMeter;
int32_t biYPelsPerMeter;
uint32_t biClrUsed;
uint32_t biClrImportant;
} BITMAPINFOHEADER;
#define MAKEFOURCC(ch0, ch1, ch2, ch3)\
((uint32_t)(uint8_t)(ch0) | ((uint32_t)(uint8_t)(ch1) << 8) |\
((uint32_t)(uint8_t)(ch2) << 16) | ((uint32_t)(uint8_t)(ch3) << 24 ))
CodecID MatroskaToFFCodecID(TrackInfo *TI) {
char *Codec = TI->CodecID;
/* Video Codecs */
if (!strcmp(Codec, "V_MS/VFW/FOURCC")) {
// fourcc list from ffdshow
switch (((BITMAPINFOHEADER *)TI->CodecPrivate)->biCompression) {
case MAKEFOURCC('F', 'F', 'D', 'S'):
case MAKEFOURCC('F', 'V', 'F', 'W'):
case MAKEFOURCC('X', 'V', 'I', 'D'):
case MAKEFOURCC('D', 'I', 'V', 'X'):
case MAKEFOURCC('D', 'X', '5', '0'):
case MAKEFOURCC('M', 'P', '4', 'V'):
case MAKEFOURCC('m', 'p', '4', 'v'): // This one may be my fault
case MAKEFOURCC('3', 'I', 'V', 'X'):
case MAKEFOURCC('W', 'V', '1', 'F'):
case MAKEFOURCC('F', 'M', 'P', '4'):
case MAKEFOURCC('S', 'M', 'P', '4'):
return CODEC_ID_MPEG4;
case MAKEFOURCC('D', 'I', 'V', '3'):
case MAKEFOURCC('D', 'V', 'X', '3'):
case MAKEFOURCC('M', 'P', '4', '3'):
return CODEC_ID_MSMPEG4V3;
case MAKEFOURCC('M', 'P', '4', '2'):
return CODEC_ID_MSMPEG4V2;
case MAKEFOURCC('M', 'P', '4', '1'):
return CODEC_ID_MSMPEG4V1;
case MAKEFOURCC('W', 'M', 'V', '1'):
return CODEC_ID_WMV1;
case MAKEFOURCC('W', 'M', 'V', '2'):
return CODEC_ID_WMV2;
case MAKEFOURCC('W', 'M', 'V', '3'):
return CODEC_ID_WMV3;
/*
case MAKEFOURCC('M', 'S', 'S', '1'):
case MAKEFOURCC('M', 'S', 'S', '2'):
case MAKEFOURCC('W', 'V', 'P', '2'):
case MAKEFOURCC('W', 'M', 'V', 'P'):
return CODEC_ID_WMV9_LIB;
*/
case MAKEFOURCC('W', 'V', 'C', '1'):
return CODEC_ID_VC1;
case MAKEFOURCC('V', 'P', '5', '0'):
return CODEC_ID_VP5;
case MAKEFOURCC('V', 'P', '6', '0'):
case MAKEFOURCC('V', 'P', '6', '1'):
case MAKEFOURCC('V', 'P', '6', '2'):
return CODEC_ID_VP6;
case MAKEFOURCC('V', 'P', '6', 'F'):
case MAKEFOURCC('F', 'L', 'V', '4'):
return CODEC_ID_VP6F;
case MAKEFOURCC('C', 'A', 'V', 'S'):
return CODEC_ID_CAVS;
case MAKEFOURCC('M', 'P', 'G', '1'):
case MAKEFOURCC('M', 'P', 'E', 'G'):
return CODEC_ID_MPEG2VIDEO; // not a typo
case MAKEFOURCC('M', 'P', 'G', '2'):
case MAKEFOURCC('E', 'M', '2', 'V'):
case MAKEFOURCC('M', 'M', 'E', 'S'):
return CODEC_ID_MPEG2VIDEO;
case MAKEFOURCC('H', '2', '6', '3'):
case MAKEFOURCC('S', '2', '6', '3'):
case MAKEFOURCC('L', '2', '6', '3'):
case MAKEFOURCC('M', '2', '6', '3'):
case MAKEFOURCC('U', '2', '6', '3'):
case MAKEFOURCC('X', '2', '6', '3'):
return CODEC_ID_H263;
case MAKEFOURCC('H', '2', '6', '4'):
case MAKEFOURCC('X', '2', '6', '4'):
case MAKEFOURCC('V', 'S', 'S', 'H'):
case MAKEFOURCC('D', 'A', 'V', 'C'):
case MAKEFOURCC('P', 'A', 'V', 'C'):
case MAKEFOURCC('A', 'V', 'C', '1'):
return CODEC_ID_H264;
case MAKEFOURCC('M', 'J', 'P', 'G'):
case MAKEFOURCC('L', 'J', 'P', 'G'):
case MAKEFOURCC('M', 'J', 'L', 'S'):
case MAKEFOURCC('J', 'P', 'E', 'G'): // questionable fourcc?
case MAKEFOURCC('A', 'V', 'R', 'N'):
case MAKEFOURCC('M', 'J', 'P', 'A'):
return CODEC_ID_MJPEG;
case MAKEFOURCC('D', 'V', 'S', 'D'):
case MAKEFOURCC('D', 'V', '2', '5'):
case MAKEFOURCC('D', 'V', '5', '0'):
case MAKEFOURCC('C', 'D', 'V', 'C'):
case MAKEFOURCC('C', 'D', 'V', '5'):
case MAKEFOURCC('D', 'V', 'I', 'S'):
case MAKEFOURCC('P', 'D', 'V', 'C'):
return CODEC_ID_DVVIDEO;
case MAKEFOURCC('H', 'F', 'Y', 'U'):
return CODEC_ID_HUFFYUV;
case MAKEFOURCC('F', 'F', 'V', 'H'):
return CODEC_ID_FFVHUFF;
case MAKEFOURCC('C', 'Y', 'U', 'V'):
return CODEC_ID_CYUV;
case MAKEFOURCC('A', 'S', 'V', '1'):
return CODEC_ID_ASV1;
case MAKEFOURCC('A', 'S', 'V', '2'):
return CODEC_ID_ASV2;
case MAKEFOURCC('V', 'C', 'R', '1'):
return CODEC_ID_VCR1;
case MAKEFOURCC('T', 'H', 'E', 'O'):
return CODEC_ID_THEORA;
case MAKEFOURCC('S', 'V', 'Q', '1'):
return CODEC_ID_SVQ1;
case MAKEFOURCC('S', 'V', 'Q', '3'):
return CODEC_ID_SVQ3;
case MAKEFOURCC('R', 'P', 'Z', 'A'):
return CODEC_ID_RPZA;
case MAKEFOURCC('F', 'F', 'V', '1'):
return CODEC_ID_FFV1;
case MAKEFOURCC('V', 'P', '3', '1'):
return CODEC_ID_VP3;
case MAKEFOURCC('R', 'L', 'E', '8'):
return CODEC_ID_MSRLE;
case MAKEFOURCC('M', 'S', 'Z', 'H'):
return CODEC_ID_MSZH;
case MAKEFOURCC('Z', 'L', 'I', 'B'):
return CODEC_ID_ZLIB;
case MAKEFOURCC('F', 'L', 'V', '1'):
return CODEC_ID_FLV1;
/*
case MAKEFOURCC('P', 'N', 'G', '1'):
return CODEC_ID_COREPNG;
*/
case MAKEFOURCC('M', 'P', 'N', 'G'):
return CODEC_ID_PNG;
/*
case MAKEFOURCC('A', 'V', 'I', 'S'):
return CODEC_ID_AVISYNTH;
*/
case MAKEFOURCC('C', 'R', 'A', 'M'):
return CODEC_ID_MSVIDEO1;
case MAKEFOURCC('R', 'T', '2', '1'):
return CODEC_ID_INDEO2;
case MAKEFOURCC('I', 'V', '3', '2'):
case MAKEFOURCC('I', 'V', '3', '1'):
return CODEC_ID_INDEO3;
case MAKEFOURCC('C', 'V', 'I', 'D'):
return CODEC_ID_CINEPAK;
case MAKEFOURCC('R', 'V', '1', '0'):
return CODEC_ID_RV10;
case MAKEFOURCC('R', 'V', '2', '0'):
return CODEC_ID_RV20;
case MAKEFOURCC('8', 'B', 'P', 'S'):
return CODEC_ID_8BPS;
case MAKEFOURCC('Q', 'R', 'L', 'E'):
return CODEC_ID_QTRLE;
case MAKEFOURCC('D', 'U', 'C', 'K'):
return CODEC_ID_TRUEMOTION1;
case MAKEFOURCC('T', 'M', '2', '0'):
return CODEC_ID_TRUEMOTION2;
case MAKEFOURCC('T', 'S', 'C', 'C'):
return CODEC_ID_TSCC;
case MAKEFOURCC('S', 'N', 'O', 'W'):
return CODEC_ID_SNOW;
case MAKEFOURCC('Q', 'P', 'E', 'G'):
case MAKEFOURCC('Q', '1', '_', '0'):
case MAKEFOURCC('Q', '1', '_', '1'):
return CODEC_ID_QPEG;
case MAKEFOURCC('H', '2', '6', '1'):
case MAKEFOURCC('M', '2', '6', '1'):
return CODEC_ID_H261;
case MAKEFOURCC('L', 'O', 'C', 'O'):
return CODEC_ID_LOCO;
case MAKEFOURCC('W', 'N', 'V', '1'):
return CODEC_ID_WNV1;
case MAKEFOURCC('C', 'S', 'C', 'D'):
return CODEC_ID_CSCD;
case MAKEFOURCC('Z', 'M', 'B', 'V'):
return CODEC_ID_ZMBV;
case MAKEFOURCC('U', 'L', 'T', 'I'):
return CODEC_ID_ULTI;
case MAKEFOURCC('V', 'I', 'X', 'L'):
return CODEC_ID_VIXL;
case MAKEFOURCC('A', 'A', 'S', 'C'):
return CODEC_ID_AASC;
case MAKEFOURCC('F', 'P', 'S', '1'):
return CODEC_ID_FRAPS;
default:
return CODEC_ID_NONE;
}
} else if (!strcmp(Codec, "V_MPEG4/ISO/AVC"))
return CODEC_ID_H264;
else if (!strcmp(Codec, "V_MPEG4/ISO/AP"))
return CODEC_ID_MPEG4;
else if (!strcmp(Codec, "V_MPEG4/ISO/ASP"))
return CODEC_ID_MPEG4;
else if (!strcmp(Codec, "V_MPEG4/ISO/SP"))
return CODEC_ID_MPEG4;
else if (!strcmp(Codec, "V_MPEG4/MS/V3"))
return CODEC_ID_MSMPEG4V3;
else if (!strcmp(Codec, "V_MPEG2"))
return CODEC_ID_MPEG2VIDEO;
else if (!strcmp(Codec, "V_MPEG1"))
return CODEC_ID_MPEG2VIDEO; // still not a typo
else if (!strcmp(Codec, "V_VC1"))
return CODEC_ID_VC1;
else if (!strcmp(Codec, "V_SNOW"))
return CODEC_ID_SNOW;
else if (!strcmp(Codec, "V_THEORA"))
return CODEC_ID_THEORA;
else if (!strcmp(Codec, "V_UNCOMPRESSED"))
return CODEC_ID_NONE; // bleh
else if (!strcmp(Codec, "V_QUICKTIME"))
return CODEC_ID_SVQ3; // no idea if this is right
else if (!strcmp(Codec, "V_CIPC"))
return CODEC_ID_NONE; // don't know, don't care
else if (!strncmp(Codec, "V_REAL/RV", 9)) {
switch (Codec[9]) {
case '1':
return CODEC_ID_RV10;
case '2':
return CODEC_ID_RV20;
case '3':
return CODEC_ID_RV30;
case '4':
return CODEC_ID_RV40;
default:
return CODEC_ID_NONE;
}
/* Audio Codecs */
} else if (!strcmp(Codec, "A_AC3"))
return CODEC_ID_AC3;
else if (!strcmp(Codec, "A_EAC3"))
return CODEC_ID_AC3;
else if (!strcmp(Codec, "A_MPEG/L3"))
return CODEC_ID_MP3;
else if (!strcmp(Codec, "A_MPEG/L2"))
return CODEC_ID_MP2;
else if (!strcmp(Codec, "A_MPEG/L1"))
return CODEC_ID_MP2; // correct?
else if (!strcmp(Codec, "A_DTS"))
return CODEC_ID_DTS;
else if (!strcmp(Codec, "A_PCM/INT/LIT")) {
switch (TI->AV.Audio.BitDepth) {
case 8: return CODEC_ID_PCM_S8;
case 16: return CODEC_ID_PCM_S16LE;
case 24: return CODEC_ID_PCM_S24LE;
case 32: return CODEC_ID_PCM_S32LE;
default: return CODEC_ID_NONE;
}
} else if (!strcmp(Codec, "A_PCM/INT/BIG")) {
switch (TI->AV.Audio.BitDepth) {
case 8: return CODEC_ID_PCM_S8;
case 16: return CODEC_ID_PCM_S16BE;
case 24: return CODEC_ID_PCM_S24BE;
case 32: return CODEC_ID_PCM_S32BE;
default: return CODEC_ID_NONE;
}
} else if (!strcmp(Codec, "A_PCM/FLOAT/IEEE"))
return CODEC_ID_PCM_F32LE; // only a most likely guess, may do bad things
else if (!strcmp(Codec, "A_FLAC"))
return CODEC_ID_FLAC;
else if (!strcmp(Codec, "A_MPC"))
return CODEC_ID_MUSEPACK8; // or is it CODEC_ID_MUSEPACK7? both?
else if (!strcmp(Codec, "A_TTA1"))
return CODEC_ID_TTA;
else if (!strcmp(Codec, "A_WAVPACK4"))
return CODEC_ID_WAVPACK;
else if (!strcmp(Codec, "A_VORBIS"))
return CODEC_ID_VORBIS;
else if (!strcmp(Codec, "A_REAL/14_4"))
return CODEC_ID_RA_144;
else if (!strcmp(Codec, "A_REAL/28_8"))
return CODEC_ID_RA_288;
else if (!strcmp(Codec, "A_REAL/COOK"))
return CODEC_ID_COOK;
else if (!strcmp(Codec, "A_REAL/SIPR"))
return CODEC_ID_NONE; // no sipr codec id?
else if (!strcmp(Codec, "A_REAL/ATRC"))
return CODEC_ID_ATRAC3;
else if (!strncmp(Codec, "A_AAC", 5))
return CODEC_ID_AAC;
else if (!strcmp(Codec, "A_SPEEX"))
return CODEC_ID_SPEEX;
else if (!strcmp(Codec, "A_QUICKTIME"))
return CODEC_ID_NONE; // no
else if (!strcmp(Codec, "A_MS/ACM")) {
// nothing useful here anyway?
//#include "Mmreg.h"
//((WAVEFORMATEX *)TI->CodecPrivate)->wFormatTag
return CODEC_ID_NONE;
} else {
return CODEC_ID_NONE;
}
}
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