forked from mia/Aegisub
d2c469e3e0
Added audio decoding using Haali's splitters Restructuring Big API changes Many bug fixes Originally committed to SVN as r2972.
264 lines
8.4 KiB
C++
264 lines
8.4 KiB
C++
// Copyright (c) 2007-2009 Fredrik Mellbin
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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extern "C" {
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#include <libavcodec/avcodec.h>
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}
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#include "ffms.h"
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#include "ffvideosource.h"
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#include "ffaudiosource.h"
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#include "indexing.h"
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#ifdef __UNIX__
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#define _snprintf snprintf
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#endif
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static int InitCount = 0;
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FFMS_API(int) FFMS_Init() {
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if (!InitCount++) {
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av_register_all();
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av_log_set_level(AV_LOG_QUIET);
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#ifdef HAALISOURCE
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if (::CoInitializeEx(NULL, COINIT_MULTITHREADED) != S_OK)
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return 1;
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#endif
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}
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return 0;
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}
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FFMS_API(void) FFMS_DeInit() {
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if (!--InitCount) {
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#ifdef HAALISOURCE
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::CoUninitialize();
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#endif
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}
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}
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FFMS_API(int) FFMS_GetLogLevel() {
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return av_log_get_level();
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}
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FFMS_API(void) FFMS_SetLogLevel(int Level) {
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av_log_set_level(AV_LOG_QUIET);
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}
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FFMS_API(FFVideo *) FFMS_CreateVideoSource(const char *SourceFile, int Track, FFIndex *Index, const char *PP, int Threads, int SeekMode, char *ErrorMsg, unsigned MsgSize) {
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try {
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switch (Index->Decoder) {
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case 0: return new FFLAVFVideo(SourceFile, Track, Index, PP, Threads, SeekMode, ErrorMsg, MsgSize);
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case 1: return new FFMatroskaVideo(SourceFile, Track, Index, PP, Threads, ErrorMsg, MsgSize);
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#ifdef HAALISOURCE
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case 2: return new FFHaaliVideo(SourceFile, Track, Index, PP, Threads, 0, ErrorMsg, MsgSize);
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case 3: return new FFHaaliVideo(SourceFile, Track, Index, PP, Threads, 1, ErrorMsg, MsgSize);
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#endif
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default:
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_snprintf(ErrorMsg, MsgSize, "Unsupported format");
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return NULL;
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}
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} catch (...) {
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return NULL;
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}
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}
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FFMS_API(FFAudio *) FFMS_CreateAudioSource(const char *SourceFile, int Track, FFIndex *Index, char *ErrorMsg, unsigned MsgSize) {
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try {
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switch (Index->Decoder) {
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case 0: return new FFLAVFAudio(SourceFile, Track, Index, ErrorMsg, MsgSize);
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case 1: return new FFMatroskaAudio(SourceFile, Track, Index, ErrorMsg, MsgSize);
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case 2: return new FFHaaliAudio(SourceFile, Track, Index, 0, ErrorMsg, MsgSize);
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case 3: return new FFHaaliAudio(SourceFile, Track, Index, 1, ErrorMsg, MsgSize);
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default:
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_snprintf(ErrorMsg, MsgSize, "Unsupported format");
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return NULL;
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}
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} catch (...) {
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return NULL;
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}
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}
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FFMS_API(void) FFMS_DestroyVideoSource(FFVideo *V) {
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delete V;
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}
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FFMS_API(void) FFMS_DestroyAudioSource(FFAudio *A) {
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delete A;
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}
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FFMS_API(const TVideoProperties *) FFMS_GetVideoProperties(FFVideo *V) {
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return &V->GetTVideoProperties();
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}
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FFMS_API(const TAudioProperties *) FFMS_GetAudioProperties(FFAudio *A) {
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return &A->GetTAudioProperties();
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}
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FFMS_API(const TAVFrameLite *) FFMS_GetFrame(FFVideo *V, int n, char *ErrorMsg, unsigned MsgSize) {
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return (TAVFrameLite *)V->GetFrame(n, ErrorMsg, MsgSize);
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}
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FFMS_API(const TAVFrameLite *) FFMS_GetFrameByTime(FFVideo *V, double Time, char *ErrorMsg, unsigned MsgSize) {
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return (TAVFrameLite *)V->GetFrameByTime(Time, ErrorMsg, MsgSize);
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}
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FFMS_API(int) FFMS_GetAudio(FFAudio *A, void *Buf, int64_t Start, int64_t Count, char *ErrorMsg, unsigned MsgSize) {
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return A->GetAudio(Buf, Start, Count, ErrorMsg, MsgSize);
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}
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FFMS_API(int) FFMS_SetOutputFormat(FFVideo *V, int TargetFormat, int Width, int Height, char *ErrorMsg, unsigned MsgSize) {
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return V->SetOutputFormat(TargetFormat, Width, Height, ErrorMsg, MsgSize);
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}
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FFMS_API(void) FFMS_ResetOutputFormat(FFVideo *V) {
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V->ResetOutputFormat();
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}
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FFMS_API(void) FFMS_DestroyFFIndex(FFIndex *Index) {
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delete Index;
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}
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FFMS_API(int) FFMS_GetFirstTrackOfType(FFIndex *Index, int TrackType, char *ErrorMsg, unsigned MsgSize) {
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for (int i = 0; i < static_cast<int>(Index->size()); i++)
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if ((*Index)[i].TT == TrackType)
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return i;
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_snprintf(ErrorMsg, MsgSize, "No suitable, indexed track found");
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return -1;
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}
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FFMS_API(int) FFMS_GetFirstIndexedTrackOfType(FFIndex *Index, int TrackType, char *ErrorMsg, unsigned MsgSize) {
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for (int i = 0; i < static_cast<int>(Index->size()); i++)
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if ((*Index)[i].TT == TrackType && (*Index)[i].size() > 0)
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return i;
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_snprintf(ErrorMsg, MsgSize, "No suitable, indexed track found");
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return -1;
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}
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FFMS_API(int) FFMS_GetNumTracks(FFIndex *Index) {
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return Index->size();
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}
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FFMS_API(int) FFMS_GetNumTracksI(FFIndexer *Indexer, int Track) {
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return Indexer->GetNumberOfTracks();
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}
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FFMS_API(FFMS_TrackType) FFMS_GetTrackType(FFTrack *T) {
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return T->TT;
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}
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FFMS_API(FFMS_TrackType) FFMS_GetTrackTypeI(FFIndexer *Indexer, int Track) {
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return Indexer->GetTrackType(Track);
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}
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FFMS_API(int) FFMS_GetNumFrames(FFTrack *T) {
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return T->size();
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}
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FFMS_API(const FFFrameInfo *) FFMS_GetFrameInfo(FFTrack *T, int Frame, char *ErrorMsg, unsigned MsgSize) {
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if (Frame < 0 || Frame >= static_cast<int>(T->size())) {
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_snprintf(ErrorMsg, MsgSize, "Invalid frame specified");
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return NULL;
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} else {
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return reinterpret_cast<FFFrameInfo *>(&(*T)[Frame]);
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}
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}
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FFMS_API(FFTrack *) FFMS_GetTrackFromIndex(FFIndex *Index, int Track, char *ErrorMsg, unsigned MsgSize) {
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if (Track < 0 || Track >= static_cast<int>(Index->size())) {
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_snprintf(ErrorMsg, MsgSize, "Invalid track specified");
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return NULL;
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} else {
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return &(*Index)[Track];
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}
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}
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FFMS_API(FFTrack *) FFMS_GetTrackFromVideo(FFVideo *V) {
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return V->GetFFTrack();
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}
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FFMS_API(FFTrack *) FFMS_GetTrackFromAudio(FFAudio *A) {
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return A->GetFFTrack();
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}
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FFMS_API(const TTrackTimeBase *) FFMS_GetTimeBase(FFTrack *T) {
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return &T->TB;
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}
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FFMS_API(int) FFMS_WriteTimecodes(FFTrack *T, const char *TimecodeFile, char *ErrorMsg, unsigned MsgSize) {
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return T->WriteTimecodes(TimecodeFile, ErrorMsg, MsgSize);
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}
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FFMS_API(FFIndex *) FFMS_MakeIndex(const char *SourceFile, int IndexMask, int DumpMask, TAudioNameCallback ANC, void *ANCPrivate, bool IgnoreDecodeErrors, TIndexCallback IC, void *ICPrivate, char *ErrorMsg, unsigned MsgSize) {
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FFIndexer *Indexer = FFMS_CreateIndexer(SourceFile, ErrorMsg, MsgSize);
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if (!Indexer)
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return NULL;
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return FFMS_DoIndexing(Indexer, IndexMask, DumpMask, ANC, ANCPrivate, IgnoreDecodeErrors, IC, ICPrivate, ErrorMsg, MsgSize);
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}
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FFMS_API(int) FFMS_DefaultAudioFilename(const char *SourceFile, int Track, const TAudioProperties *AP, char *FileName, void *Private) {
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const char * FormatString = "%s.%d2.w64";
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if (FileName == NULL)
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return _scprintf(FormatString, SourceFile, Track) + 1;
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else
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return sprintf(FileName, FormatString, SourceFile, Track) + 1;
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}
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FFMS_API(FFIndexer *) FFMS_CreateIndexer(const char *SourceFile, char *ErrorMsg, unsigned MsgSize) {
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try {
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return FFIndexer::CreateFFIndexer(SourceFile, ErrorMsg, MsgSize);
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} catch (...) {
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return NULL;
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}
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}
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FFMS_API(FFIndex *) FFMS_DoIndexing(FFIndexer *Indexer, int IndexMask, int DumpMask, TAudioNameCallback ANC, void *ANCPrivate, bool IgnoreDecodeErrors, TIndexCallback IC, void *ICPrivate, char *ErrorMsg, unsigned MsgSize) {
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Indexer->SetIndexMask(IndexMask);
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Indexer->SetDumpMask(DumpMask);
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Indexer->SetIgnoreDecodeErrors(IgnoreDecodeErrors);
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Indexer->SetProgressCallback(IC, ICPrivate);
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Indexer->SetAudioNameCallback(ANC, ANCPrivate);
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FFIndex *Index = Indexer->DoIndexing(ErrorMsg, MsgSize);
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delete Indexer;
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return Index;
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}
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FFMS_API(void) FFMS_CancelIndexing(FFIndexer *Indexer) {
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delete Indexer;
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}
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FFMS_API(FFIndex *) FFMS_ReadIndex(const char *IndexFile, char *ErrorMsg, unsigned MsgSize) {
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FFIndex *Index = new FFIndex();
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if (Index->ReadIndex(IndexFile, ErrorMsg, MsgSize)) {
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delete Index;
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return NULL;
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} else {
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return Index;
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}
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}
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FFMS_API(int) FFMS_WriteIndex(const char *IndexFile, FFIndex *Index, char *ErrorMsg, unsigned MsgSize) {
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return Index->WriteIndex(IndexFile, ErrorMsg, MsgSize);
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}
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FFMS_API(int) FFMS_GetPixFmt(const char *Name) {
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return avcodec_get_pix_fmt(Name);
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}
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