Update ffms2 to r228. Removes the boost dependency.

Originally committed to SVN as r3690.

aegisub/libffms/include/ffms.h

@@ -22,7 +22,7 @@
 #define FFMS_H
 
 // Version format: major - minor - micro - bump
-#define FFMS_VERSION ((2 << 24) | (11 << 16)| (0 << 8) | 5)
+#define FFMS_VERSION ((2 << 24) | (13 << 16)| (0 << 8) | 1)
 
 #include <stdint.h>
 
@@ -195,7 +195,7 @@ struct FFMS_TrackTimeBase {
 	int64_t Den;
 };
 
-#define FFMS_FRAMEINFO_COMMON int64_t DTS; int RepeatPict; bool KeyFrame;
+#define FFMS_FRAMEINFO_COMMON int64_t DTS; int RepeatPict; int KeyFrame;
 
 struct FFMS_FrameInfo {
 	FFMS_FRAMEINFO_COMMON

aegisub/libffms/src/core/audiosource.h

@@ -28,6 +28,7 @@ extern "C" {
 
 #include <vector>
 #include <list>
+#include <sstream>
 #include <memory>
 #include "indexing.h"
 #include "utils.h"

aegisub/libffms/src/core/indexing.cpp

@@ -119,9 +119,11 @@ TFrameInfo TFrameInfo::AudioFrameInfo(int64_t DTS, int64_t SampleStart, unsigned
 void FFMS_Track::WriteTimecodes(const char *TimecodeFile) {
 	ffms_fstream Timecodes(TimecodeFile, std::ios::out | std::ios::trunc);
 
-	if (!Timecodes.is_open())
+	if (!Timecodes.is_open()) {
-		throw FFMS_Exception(FFMS_ERROR_TRACK, FFMS_ERROR_FILE_WRITE,
+		std::ostringstream buf;
-			boost::format("Failed to open '%1%' for writing") % TimecodeFile);
+		buf << "Failed to open '" << TimecodeFile << "' for writing";
+		throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ, buf.str());
+	}
 
 	Timecodes << "# timecode format v2\n";
 
@@ -183,9 +185,11 @@ FFMS_Track::FFMS_Track(int64_t Num, int64_t Den, FFMS_TrackType TT) {
 void FFMS_Index::CalculateFileSignature(const char *Filename, int64_t *Filesize, uint8_t Digest[20]) {
 	FILE *SFile = ffms_fopen(Filename,"rb");
 
-	if (SFile == NULL)
+	if (SFile == NULL) {
-		throw FFMS_Exception(FFMS_ERROR_INDEX, FFMS_ERROR_FILE_READ,
+		std::ostringstream buf;
-			boost::format("Failed to open '%1%' for hashing") % Filename);
+		buf << "Failed to open '" << Filename << "' for hashing";
+		throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ, buf.str());
+	}
 
 	const int BlockSize = 1024*1024;
 	std::vector<uint8_t> FileBuffer(BlockSize);
@@ -198,8 +202,9 @@ void FFMS_Index::CalculateFileSignature(const char *Filename, int64_t *Filesize,
 	if (ferror(SFile) && !feof(SFile)) {
 		av_sha1_final(ctx, Digest);
 		fclose(SFile);
-		throw FFMS_Exception(FFMS_ERROR_INDEX, FFMS_ERROR_FILE_READ,
+		std::ostringstream buf;
-			boost::format("Failed to read '%1%' for hashing") % Filename);
+		buf << "Failed to read '" << Filename << "' for hashing";
+		throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ, buf.str());
 	}
 	av_sha1_update(ctx, &FileBuffer[0], BlockSize);
 
@@ -209,8 +214,9 @@ void FFMS_Index::CalculateFileSignature(const char *Filename, int64_t *Filesize,
 	if (ferror(SFile) && !feof(SFile)) {
 		av_sha1_final(ctx, Digest);
 		fclose(SFile);
-		throw FFMS_Exception(FFMS_ERROR_INDEX, FFMS_ERROR_FILE_READ,
+		std::ostringstream buf;
-			boost::format("Failed to seek with offset %1% from file end in '%2%' for hashing") % BlockSize % Filename);
+		buf << "Failed to seek with offset " << BlockSize << " from file end in '" << Filename << "' for hashing";
+		throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ, buf.str());
 	}
 	av_sha1_update(ctx, &FileBuffer[0], BlockSize);
 
@@ -218,8 +224,9 @@ void FFMS_Index::CalculateFileSignature(const char *Filename, int64_t *Filesize,
 	if (ferror(SFile)) {
 		av_sha1_final(ctx, Digest);
 		fclose(SFile);
-		throw FFMS_Exception(FFMS_ERROR_INDEX, FFMS_ERROR_FILE_READ,
+		std::ostringstream buf;
-			boost::format("Failed to seek to end of '%1%' for hashing") % Filename);
+		buf << "Failed to seek to end of '" << Filename << "' for hashing";
+		throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ, buf.str());
 	}
 	*Filesize = ftello(SFile);
 	fclose(SFile);
@@ -260,9 +267,11 @@ bool FFMS_Index::CompareFileSignature(const char *Filename) {
 void FFMS_Index::WriteIndex(const char *IndexFile) {
 	ffms_fstream IndexStream(IndexFile, std::ios::out | std::ios::binary | std::ios::trunc);
 
-	if (!IndexStream.is_open()) 
+	if (!IndexStream.is_open()) {
-		throw FFMS_Exception(FFMS_ERROR_INDEX, FFMS_ERROR_FILE_WRITE,
+		std::ostringstream buf;
-			boost::format("Failed to open '%1%' for writing") % IndexFile);
+		buf << "Failed to open '" << IndexFile << "' for writing";
+		throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ, buf.str());
+	}
 
 	// Write the index file header
 	IndexHeader IH;
@@ -295,26 +304,34 @@ void FFMS_Index::WriteIndex(const char *IndexFile) {
 void FFMS_Index::ReadIndex(const char *IndexFile) {
 	ffms_fstream Index(IndexFile, std::ios::in | std::ios::binary);
 
-	if (!Index.is_open())
+	if (!Index.is_open()) {
-		throw FFMS_Exception(FFMS_ERROR_INDEX, FFMS_ERROR_FILE_READ,
+		std::ostringstream buf;
-			boost::format("Failed to open '%1%' for reading") % IndexFile);
+		buf << "Failed to open '" << IndexFile << "' for reading";
+		throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ, buf.str());
+	}
 	
 	// Read the index file header
 	IndexHeader IH;
 	Index.read(reinterpret_cast<char *>(&IH), sizeof(IH));
-	if (IH.Id != INDEXID)
+	if (IH.Id != INDEXID) {
-		throw FFMS_Exception(FFMS_ERROR_INDEX, FFMS_ERROR_INVALID_ARGUMENT,
+		std::ostringstream buf;
-			boost::format("'%1%' is not a valid index file") % IndexFile);
+		buf << "'" << IndexFile << "' is not a valid index file";
+		throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ, buf.str());
+	}
 
-	if (IH.Version != FFMS_VERSION)
+	if (IH.Version != FFMS_VERSION) {
-		throw FFMS_Exception(FFMS_ERROR_INDEX, FFMS_ERROR_VERSION,
+		std::ostringstream buf;
-			boost::format("'%1%' is not the expected index version") % IndexFile);
+		buf << "'" << IndexFile << "' is not the expected index version";
+		throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ, buf.str());
+	}
 
 	if (IH.LAVUVersion != avutil_version() || IH.LAVFVersion != avformat_version() ||
 		IH.LAVCVersion != avcodec_version() || IH.LSWSVersion != swscale_version() ||
-		IH.LPPVersion != postproc_version())
+		IH.LPPVersion != postproc_version()) {
-		throw FFMS_Exception(FFMS_ERROR_INDEX, FFMS_ERROR_VERSION,
+		std::ostringstream buf;
-			boost::format("A different FFmpeg build was used to create '%1%'") % IndexFile);
+		buf << "A different FFmpeg build was used to create '" << IndexFile << "'";
+		throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ, buf.str());
+	}
 
 	if (!(IH.Decoder & FFMS_GetEnabledSources()))
 		throw FFMS_Exception(FFMS_ERROR_INDEX, FFMS_ERROR_NOT_AVAILABLE,
@@ -337,8 +354,9 @@ void FFMS_Index::ReadIndex(const char *IndexFile) {
 		}
 
 	} catch (...) {
-		throw FFMS_Exception(FFMS_ERROR_INDEX, FFMS_ERROR_UNKNOWN,
+		std::ostringstream buf;
-			boost::format("Unknown error while reading index information in '%1%'") % IndexFile);
+		buf << "Unknown error while reading index information in '" << IndexFile << "'";
+		throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ, buf.str());
 	}
 }
 
@@ -380,9 +398,11 @@ void FFMS_Indexer::SetAudioNameCallback(TAudioNameCallback ANC, void *ANCPrivate
 FFMS_Indexer *FFMS_Indexer::CreateIndexer(const char *Filename) {
 	AVFormatContext *FormatContext = NULL;
 
-	if (av_open_input_file(&FormatContext, Filename, NULL, 0, NULL) != 0)
+	if (av_open_input_file(&FormatContext, Filename, NULL, 0, NULL) != 0) {
-		throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ,
+		std::ostringstream buf;
-			boost::format("Can't open '%1%'") % Filename);
+		buf << "Can't open '" << Filename << "'";
+		throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ, buf.str());
+	}
 
 	// Do matroska indexing instead?
 	if (!strcmp(FormatContext->iformat->name, "matroska")) {

aegisub/libffms/src/core/lavfaudio.cpp

@@ -20,6 +20,8 @@
 
 #include "audiosource.h"
 
+
+
 void FFLAVFAudio::Free(bool CloseCodec) {
 	if (CloseCodec)
 		avcodec_close(CodecContext);
@@ -124,18 +126,23 @@ void FFLAVFAudio::GetAudio(void *Buf, int64_t Start, int64_t Count) {
 		return;
 
 	size_t CurrentAudioBlock;
-	// Is seeking required to decode the requested samples?
-//	if (!(CurrentSample >= Start && CurrentSample <= CacheEnd)) {
 	if (CurrentSample != CacheEnd) {
 		PreDecBlocks = 15;
 		CurrentAudioBlock = FFMAX((int64_t)Frames.FindClosestAudioKeyFrame(CacheEnd) - PreDecBlocks - 20, (int64_t)0);
 
+		if (CurrentAudioBlock <= PreDecBlocks) {
+			CurrentAudioBlock = 0;
+			PreDecBlocks = 0;
+		}
+
 		// Did the seeking fail?
 		if (av_seek_frame(FormatContext, AudioTrack, Frames[CurrentAudioBlock].DTS, AVSEEK_FLAG_BACKWARD) < 0)
 			av_seek_frame(FormatContext, AudioTrack, Frames[CurrentAudioBlock].DTS, AVSEEK_FLAG_BACKWARD | AVSEEK_FLAG_ANY);
 
 		avcodec_flush_buffers(CodecContext);
 
+		// Pretend we got to the first audio frame when PreDecBlocks = 0
+		if (PreDecBlocks > 0) {
 			AVPacket Packet;
 			InitNullPacket(Packet);
 
@@ -161,6 +168,7 @@ void FFLAVFAudio::GetAudio(void *Buf, int64_t Start, int64_t Count) {
 
 				av_free_packet(&Packet);
 			}
+		}
 	} else {
 		CurrentAudioBlock = Frames.FindClosestAudioKeyFrame(CurrentSample);
 	}

aegisub/libffms/src/core/matroskaaudio.cpp

@@ -42,17 +42,20 @@ FFMatroskaAudio::FFMatroskaAudio(const char *SourceFile, int Track, FFMS_Index *
 	Frames = (*Index)[Track];
 
 	MC.ST.fp = ffms_fopen(SourceFile, "rb");
-	if (MC.ST.fp == NULL)
+	if (MC.ST.fp == NULL) {
-		throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ,
+		std::ostringstream buf;
-			boost::format("Can't open '%1%': %2%") % SourceFile % strerror(errno));
+		buf << "Can't open '" << SourceFile << "': " << strerror(errno);
+		throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ, buf.str());
+	}
 
 	setvbuf(MC.ST.fp, NULL, _IOFBF, CACHESIZE);
 
 	MF = mkv_OpenEx(&MC.ST.base, 0, 0, ErrorMessage, sizeof(ErrorMessage));
 	if (MF == NULL) {
 		fclose(MC.ST.fp);
-		throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ,
+		std::ostringstream buf;
-			boost::format("Can't parse Matroska file: %1%") % ErrorMessage);
+		buf << "Can't parse Matroska file: " << ErrorMessage;
+		throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ, buf.str());
 	}
 
 
@@ -62,14 +65,15 @@ FFMatroskaAudio::FFMatroskaAudio(const char *SourceFile, int Track, FFMS_Index *
 		CS = cs_Create(MF, Track, ErrorMessage, sizeof(ErrorMessage));
 		if (CS == NULL) {
 			Free(false);
-			throw FFMS_Exception(FFMS_ERROR_CODEC, FFMS_ERROR_UNSUPPORTED,
+			std::ostringstream buf;
-				boost::format("Can't create decompressor: %1%") % ErrorMessage);
+			buf << "Can't create decompressor: " << ErrorMessage;
+			throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ, buf.str());
 		}
 	}
 
 	CodecContext = avcodec_alloc_context();
 
-	Codec = avcodec_find_decoder(MatroskaToFFCodecID(TI->CodecID, TI->CodecPrivate));
+	Codec = avcodec_find_decoder(MatroskaToFFCodecID(TI->CodecID, TI->CodecPrivate, 0, TI->AV.Audio.BitDepth));
 	if (Codec == NULL)
 		throw FFMS_Exception(FFMS_ERROR_DECODING, FFMS_ERROR_CODEC,
 			"Audio codec not found");
@@ -112,11 +116,15 @@ void FFMatroskaAudio::GetAudio(void *Buf, int64_t Start, int64_t Count) {
 	if (CacheEnd == Start + Count)
 		return;
 
-	// Is seeking required to decode the requested samples?
-//	if (!(CurrentSample >= Start && CurrentSample <= CacheEnd)) {
 	if (CurrentSample != CacheEnd) {
 		PreDecBlocks = 15;
-		PacketNumber = FFMAX((int64_t)Frames.FindClosestAudioKeyFrame(CacheEnd) - PreDecBlocks, (int64_t)0);;
+		PacketNumber = FFMAX((int64_t)Frames.FindClosestAudioKeyFrame(CacheEnd) - PreDecBlocks, (int64_t)0);
+		
+		if (PacketNumber <= PreDecBlocks) {
+			PacketNumber = 0;
+			PreDecBlocks = 0;
+		}
+
 		avcodec_flush_buffers(CodecContext);
 	} 
 

aegisub/libffms/src/core/matroskaindexer.cpp

@@ -32,22 +32,25 @@ FFMatroskaIndexer::FFMatroskaIndexer(const char *Filename) : FFMS_Indexer(Filena
 
 	InitStdIoStream(&MC.ST);
 	MC.ST.fp = ffms_fopen(SourceFile, "rb");
-	if (MC.ST.fp == NULL)
+	if (MC.ST.fp == NULL) {
-		throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ,
+		std::ostringstream buf;
-			boost::format("Can't open '%1%': %2%") % SourceFile % strerror(errno));
+		buf << "Can't open '" << SourceFile << "': " << strerror(errno);
+		throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ, buf.str());
+	}
 
 	setvbuf(MC.ST.fp, NULL, _IOFBF, CACHESIZE);
 
 	MF = mkv_OpenEx(&MC.ST.base, 0, 0, ErrorMessage, sizeof(ErrorMessage));
 	if (MF == NULL) {
 		fclose(MC.ST.fp);
-		throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ,
+		std::ostringstream buf;
-			boost::format("Can't parse Matroska file: %1%") % ErrorMessage);
+		buf << "Can't parse Matroska file: " << ErrorMessage;
+		throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ, buf.str());
 	}
 
 	for (unsigned int i = 0; i < mkv_GetNumTracks(MF); i++) {
 		TrackInfo *TI = mkv_GetTrackInfo(MF, i);
-		Codec[i] = avcodec_find_decoder(MatroskaToFFCodecID(TI->CodecID, TI->CodecPrivate));
+		Codec[i] = avcodec_find_decoder(MatroskaToFFCodecID(TI->CodecID, TI->CodecPrivate, 0, TI->AV.Audio.BitDepth));
 	}
 }
 
@@ -82,9 +85,11 @@ FFMS_Index *FFMatroskaIndexer::DoIndexing() {
 
 			if (TI->CompEnabled) {
 				VideoContexts[i].CS = cs_Create(MF, i, ErrorMessage, sizeof(ErrorMessage));
-				if (VideoContexts[i].CS == NULL)
+				if (VideoContexts[i].CS == NULL) {
-					throw FFMS_Exception(FFMS_ERROR_CODEC, FFMS_ERROR_UNSUPPORTED,
+					std::ostringstream buf;
-						boost::format("Can't create decompressor: %1%") % ErrorMessage);
+					buf << "Can't create decompressor: " << ErrorMessage;
+					throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ, buf.str());
+				}
 			}
 
 			VideoContexts[i].CodecContext = CodecContext;
@@ -93,8 +98,7 @@ FFMS_Index *FFMatroskaIndexer::DoIndexing() {
 
 		if (IndexMask & (1 << i) && TI->Type == TT_AUDIO) {
 			AVCodecContext *AudioCodecContext = avcodec_alloc_context();
-			AudioCodecContext->extradata = (uint8_t *)TI->CodecPrivate;
+			InitializeCodecContextFromMatroskaTrackInfo(TI, AudioCodecContext);
-			AudioCodecContext->extradata_size = TI->CodecPrivateSize;
 			AudioContexts[i].CodecContext = AudioCodecContext;
 
 			if (TI->CompEnabled) {
@@ -102,8 +106,9 @@ FFMS_Index *FFMatroskaIndexer::DoIndexing() {
 				if (AudioContexts[i].CS == NULL) {
 					av_freep(&AudioCodecContext);
 					AudioContexts[i].CodecContext = NULL;
-					throw FFMS_Exception(FFMS_ERROR_CODEC, FFMS_ERROR_UNSUPPORTED,
+					std::ostringstream buf;
-						boost::format("Can't create decompressor: %1%") % ErrorMessage);
+					buf << "Can't create decompressor: " << ErrorMessage;
+					throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ, buf.str());
 				}
 			}
 

aegisub/libffms/src/core/matroskavideo.cpp

@@ -47,17 +47,20 @@ FFMatroskaVideo::FFMatroskaVideo(const char *SourceFile, int Track,
 	Frames = (*Index)[VideoTrack];
 
 	MC.ST.fp = ffms_fopen(SourceFile, "rb");
-	if (MC.ST.fp == NULL)
+	if (MC.ST.fp == NULL) {
-		throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ,
+		std::ostringstream buf;
-			boost::format("Can't open '%1%': %2%") % SourceFile % strerror(errno));
+		buf << "Can't open '" << SourceFile << "': " << strerror(errno);
+		throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ, buf.str());
+	}
 
 	setvbuf(MC.ST.fp, NULL, _IOFBF, CACHESIZE);
 
 	MF = mkv_OpenEx(&MC.ST.base, 0, 0, ErrorMessage, sizeof(ErrorMessage));
 	if (MF == NULL) {
 		fclose(MC.ST.fp);
-		throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ,
+		std::ostringstream buf;
-			boost::format("Can't parse Matroska file: %1%") % ErrorMessage);
+		buf << "Can't parse Matroska file: " << ErrorMessage;
+		throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ, buf.str());
 	}
 
 	TI = mkv_GetTrackInfo(MF, VideoTrack);
@@ -66,8 +69,9 @@ FFMatroskaVideo::FFMatroskaVideo(const char *SourceFile, int Track,
 		CS = cs_Create(MF, VideoTrack, ErrorMessage, sizeof(ErrorMessage));
 		if (CS == NULL) {
 			Free(false);
-			throw FFMS_Exception(FFMS_ERROR_CODEC, FFMS_ERROR_UNSUPPORTED,
+			std::ostringstream buf;
-				boost::format("Can't create decompressor: %1%") % ErrorMessage);
+			buf << "Can't create decompressor: " << ErrorMessage;
+			throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ, buf.str());
 		}
 	}
 

aegisub/libffms/src/core/utils.cpp

@@ -54,9 +54,6 @@ FFMS_Exception::FFMS_Exception(int ErrorType, int SubType, const char *Message)
 FFMS_Exception::FFMS_Exception(int ErrorType, int SubType, const std::string &Message) : _ErrorType(ErrorType), _SubType(SubType), _Message(Message) {
 }
 
-FFMS_Exception::FFMS_Exception(int ErrorType, int SubType, const boost::format &Message) : _ErrorType(ErrorType), _SubType(SubType), _Message(Message.str()) {
-}
-
 FFMS_Exception::~FFMS_Exception() throw () {
 }
 
@@ -137,9 +134,11 @@ void ReadFrame(uint64_t FilePos, unsigned int &FrameSize, CompressedStream *CS,
 
 		for (;;) {
 			int ReadBytes = cs_ReadData(CS, Context.CSBuffer, sizeof(Context.CSBuffer));
-			if (ReadBytes < 0)
+			if (ReadBytes < 0) {
-				throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ,
+				std::ostringstream buf;
-					boost::format("Error decompressing data: %1%") % cs_GetLastError(CS));
+				buf << "Error decompressing data: " << cs_GetLastError(CS);
+				throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ, buf.str());
+			}
 
 			if (ReadBytes == 0) {
 				FrameSize = DecompressedFrameSize;
@@ -160,9 +159,11 @@ void ReadFrame(uint64_t FilePos, unsigned int &FrameSize, CompressedStream *CS,
 			DecompressedFrameSize += ReadBytes;
 		}
 	} else {
-		if (fseeko(Context.ST.fp, FilePos, SEEK_SET))
+		if (fseeko(Context.ST.fp, FilePos, SEEK_SET)) {
-			throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_SEEKING,
+			std::ostringstream buf;
-				boost::format("fseek(): %1%") % strerror(errno));
+			buf << "fseek(): " << strerror(errno);
+			throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_SEEKING, buf.str());
+		}
 
 		if (Context.BufferSize < FrameSize) {
 			Context.BufferSize = FrameSize;
@@ -179,8 +180,9 @@ void ReadFrame(uint64_t FilePos, unsigned int &FrameSize, CompressedStream *CS,
 					throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ,
 						"Unexpected EOF while reading frame");
 				} else {
-					throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_SEEKING,
+					std::ostringstream buf;
-						boost::format("Error reading frame: %1%") % strerror(errno));
+					buf << "Error reading frame: " << strerror(errno);
+					throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_SEEKING, buf.str());
 				}
 			} else {
 				throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ,
@@ -202,7 +204,7 @@ void InitNullPacket(AVPacket &pkt) {
 
 bool IsNVOP(AVPacket &pkt) {
 	const uint8_t MPEG4NVOP[] = { 0x00, 0x00, 0x01, 0xB6 };
-	return pkt.size == 7 && !memcmp(pkt.data, MPEG4NVOP, 4);
+	return (pkt.size >= 4 && pkt.size <= 8) && !memcmp(pkt.data, MPEG4NVOP, 4);
 }
 
 void FillAP(FFMS_AudioProperties &AP, AVCodecContext *CTX, FFMS_Track &Frames) {
@@ -454,9 +456,11 @@ CComPtr<IMMContainer> HaaliOpenFile(const char *SourceFile, enum FFMS_Sources So
 #endif
 
 void LAVFOpenFile(const char *SourceFile, AVFormatContext *&FormatContext) {
-	if (av_open_input_file(&FormatContext, SourceFile, NULL, 0, NULL) != 0)
+	if (av_open_input_file(&FormatContext, SourceFile, NULL, 0, NULL) != 0) {
-		throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ,
+		std::ostringstream buf;
-			boost::format("Couldn't open '%1'") % SourceFile);
+		buf << "Couldn't open '" << SourceFile << "'";
+		throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ, buf.str());
+	}
 	
 	if (av_find_stream_info(FormatContext) < 0) {
 		av_close_input_file(FormatContext);

aegisub/libffms/src/core/utils.h

@@ -22,9 +22,9 @@
 #define UTILS_H
 
 #include <vector>
+#include <sstream>
 #include <fstream>
 #include <cstdio>
-#include <boost/format.hpp>
 #include "ffms.h"
 #include "matroskaparser.h"
 
@@ -78,7 +78,6 @@ private:
 public:
 	FFMS_Exception(int ErrorType, int SubType, const char *Message = "");
 	FFMS_Exception(int ErrorType, int SubType, const std::string &Message);
-	FFMS_Exception(int ErrorType, int SubType, const boost::format &Message);
 	~FFMS_Exception() throw ();
 	const std::string &GetErrorMessage() const;
 	int CopyOut(FFMS_ErrorInfo *ErrorInfo) const;

aegisub/libffms/src/core/videosource.h

@@ -32,6 +32,7 @@ extern "C" {
 #include "ffmscompat.h"
 
 #include <vector>
+#include <sstream>
 #include "indexing.h"
 #include "utils.h"
 #include "ffms.h"