mirror of https://github.com/odrling/Aegisub
470 lines
13 KiB
C++
470 lines
13 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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#include <sstream>
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#include <iomanip>
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#include "ffms.h"
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#include "videosource.h"
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#include "audiosource.h"
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#include "indexing.h"
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extern "C" {
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#include <libavutil/pixdesc.h>
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}
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#ifdef FFMS_WIN_DEBUG
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# include <windows.h>
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#endif
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static bool FFmpegInited = false;
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bool HasHaaliMPEG = false;
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bool HasHaaliOGG = false;
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int CPUFeatures = 0;
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bool GlobalUseUTF8Paths = false;
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#ifdef FFMS_WIN_DEBUG
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extern "C" int av_log_level;
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void av_log_windebug_callback(void* ptr, int level, const char* fmt, va_list vl) {
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static int print_prefix=1;
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static int count;
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static char line[1024] = {0}, prev[1024] = {0};
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AVClass* avc = ptr ? *(AVClass**)ptr : NULL;
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if(level > av_log_level)
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return;
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int written = 0;
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if(print_prefix && avc) {
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written = snprintf(line, sizeof(line), "[%s @ %p]", avc->item_name(ptr), ptr);
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}
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written += vsnprintf(line + written, sizeof(line) - written, fmt, vl);
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print_prefix = line[written-1] == '\n';
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line[sizeof(line) - 1] = 0;
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if(print_prefix && !strcmp(line, prev)){
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count++;
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return;
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}
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if(count > 0){
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std::stringstream ss;
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ss << " Last message repeated " << count << " times\n";
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OutputDebugStringA(ss.str().c_str());
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count = 0;
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}
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OutputDebugStringA(line);
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strcpy(prev, line);
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}
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#endif
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FFMS_API(void) FFMS_Init(int CPUFeatures, int UseUTF8Paths) {
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if (!FFmpegInited) {
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av_register_all();
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#ifdef _WIN32
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if (UseUTF8Paths) {
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ffms_patch_lavf_file_open();
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GlobalUseUTF8Paths = true;
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}
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else {
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GlobalUseUTF8Paths = false;
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}
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#else
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GlobalUseUTF8Paths = false;
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#endif
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#ifdef FFMS_WIN_DEBUG
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av_log_set_callback(av_log_windebug_callback);
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av_log_set_level(AV_LOG_INFO);
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#else
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av_log_set_level(AV_LOG_QUIET);
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#endif
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::CPUFeatures = CPUFeatures;
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#ifdef HAALISOURCE
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CComPtr<IMMContainer> pMMC;
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HasHaaliMPEG = !FAILED(pMMC.CoCreateInstance(HAALI_MPEG_PARSER));
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pMMC = NULL;
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HasHaaliOGG = !FAILED(pMMC.CoCreateInstance(HAALI_OGG_PARSER));
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pMMC = NULL;
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#endif
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FFmpegInited = true;
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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(Level);
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}
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FFMS_API(FFMS_VideoSource *) FFMS_CreateVideoSource(const char *SourceFile, int Track, FFMS_Index *Index, int Threads, int SeekMode, FFMS_ErrorInfo *ErrorInfo) {
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if (Threads < 1)
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Threads = 1;
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try {
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switch (Index->Decoder) {
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case FFMS_SOURCE_LAVF:
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return new FFLAVFVideo(SourceFile, Track, Index, Threads, SeekMode);
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case FFMS_SOURCE_MATROSKA:
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return new FFMatroskaVideo(SourceFile, Track, Index, Threads);
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#ifdef HAALISOURCE
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case FFMS_SOURCE_HAALIMPEG:
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if (HasHaaliMPEG)
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return new FFHaaliVideo(SourceFile, Track, Index, Threads, FFMS_SOURCE_HAALIMPEG);
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throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_NOT_AVAILABLE, "Haali MPEG/TS source unavailable");
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case FFMS_SOURCE_HAALIOGG:
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if (HasHaaliOGG)
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return new FFHaaliVideo(SourceFile, Track, Index, Threads, FFMS_SOURCE_HAALIOGG);
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throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_NOT_AVAILABLE, "Haali OGG/OGM source unavailable");
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#endif
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default:
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throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ, "Unsupported format");
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}
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} catch (FFMS_Exception &e) {
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e.CopyOut(ErrorInfo);
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return NULL;
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}
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}
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FFMS_API(FFMS_AudioSource *) FFMS_CreateAudioSource(const char *SourceFile, int Track, FFMS_Index *Index, int DelayMode, FFMS_ErrorInfo *ErrorInfo) {
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try {
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switch (Index->Decoder) {
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case FFMS_SOURCE_LAVF:
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return new FFLAVFAudio(SourceFile, Track, *Index, DelayMode);
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case FFMS_SOURCE_MATROSKA:
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return new FFMatroskaAudio(SourceFile, Track, *Index, DelayMode);
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#ifdef HAALISOURCE
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case FFMS_SOURCE_HAALIMPEG:
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if (HasHaaliMPEG)
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return new FFHaaliAudio(SourceFile, Track, *Index, FFMS_SOURCE_HAALIMPEG, DelayMode);
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throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_NOT_AVAILABLE, "Haali MPEG/TS source unavailable");
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case FFMS_SOURCE_HAALIOGG:
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if (HasHaaliOGG)
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return new FFHaaliAudio(SourceFile, Track, *Index, FFMS_SOURCE_HAALIOGG, DelayMode);
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throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_NOT_AVAILABLE, "Haali OGG/OGM source unavailable");
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#endif
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default:
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throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ, "Unsupported format");
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}
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} catch (FFMS_Exception &e) {
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e.CopyOut(ErrorInfo);
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return NULL;
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}
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}
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FFMS_API(void) FFMS_DestroyVideoSource(FFMS_VideoSource *V) {
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delete V;
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}
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FFMS_API(void) FFMS_DestroyAudioSource(FFMS_AudioSource *A) {
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delete A;
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}
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FFMS_API(const FFMS_VideoProperties *) FFMS_GetVideoProperties(FFMS_VideoSource *V) {
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return &V->GetVideoProperties();
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}
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FFMS_API(const FFMS_AudioProperties *) FFMS_GetAudioProperties(FFMS_AudioSource *A) {
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return &A->GetAudioProperties();
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}
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FFMS_API(const FFMS_Frame *) FFMS_GetFrame(FFMS_VideoSource *V, int n, FFMS_ErrorInfo *ErrorInfo) {
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ClearErrorInfo(ErrorInfo);
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try {
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return V->GetFrame(n);
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} catch (FFMS_Exception &e) {
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e.CopyOut(ErrorInfo);
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return NULL;
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}
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}
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FFMS_API(const FFMS_Frame *) FFMS_GetFrameByTime(FFMS_VideoSource *V, double Time, FFMS_ErrorInfo *ErrorInfo) {
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ClearErrorInfo(ErrorInfo);
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try {
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return (FFMS_Frame *)V->GetFrameByTime(Time);
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} catch (FFMS_Exception &e) {
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e.CopyOut(ErrorInfo);
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return NULL;
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}
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}
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FFMS_API(int) FFMS_GetAudio(FFMS_AudioSource *A, void *Buf, int64_t Start, int64_t Count, FFMS_ErrorInfo *ErrorInfo) {
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ClearErrorInfo(ErrorInfo);
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try {
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A->GetAudio(Buf, Start, Count);
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} catch (FFMS_Exception &e) {
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return e.CopyOut(ErrorInfo);
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}
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return FFMS_ERROR_SUCCESS;
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}
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FFMS_API(int) FFMS_SetOutputFormatV(FFMS_VideoSource *V, int64_t TargetFormats, int Width, int Height, int Resizer, FFMS_ErrorInfo *ErrorInfo) {
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ClearErrorInfo(ErrorInfo);
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try {
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V->SetOutputFormat(TargetFormats, Width, Height, Resizer);
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} catch (FFMS_Exception &e) {
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return e.CopyOut(ErrorInfo);
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}
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return FFMS_ERROR_SUCCESS;
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}
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FFMS_API(void) FFMS_ResetOutputFormatV(FFMS_VideoSource *V) {
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V->ResetOutputFormat();
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}
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FFMS_API(int) FFMS_SetPP(FFMS_VideoSource *V, const char *PP, FFMS_ErrorInfo *ErrorInfo) {
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ClearErrorInfo(ErrorInfo);
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try {
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V->SetPP(PP);
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} catch (FFMS_Exception &e) {
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return e.CopyOut(ErrorInfo);
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}
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return FFMS_ERROR_SUCCESS;
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}
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FFMS_API(void) FFMS_ResetPP(FFMS_VideoSource *V) {
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V->ResetPP();
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}
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FFMS_API(void) FFMS_DestroyIndex(FFMS_Index *Index) {
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delete Index;
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}
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FFMS_API(int) FFMS_GetSourceType(FFMS_Index *Index) {
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return Index->Decoder;
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}
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FFMS_API(int) FFMS_GetFirstTrackOfType(FFMS_Index *Index, int TrackType, FFMS_ErrorInfo *ErrorInfo) {
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ClearErrorInfo(ErrorInfo);
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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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try {
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throw FFMS_Exception(FFMS_ERROR_INDEX, FFMS_ERROR_NOT_AVAILABLE,
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"No suitable, indexed track found");
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} catch (FFMS_Exception &e) {
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e.CopyOut(ErrorInfo);
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return -1;
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}
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}
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FFMS_API(int) FFMS_GetFirstIndexedTrackOfType(FFMS_Index *Index, int TrackType, FFMS_ErrorInfo *ErrorInfo) {
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ClearErrorInfo(ErrorInfo);
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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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try {
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throw FFMS_Exception(FFMS_ERROR_INDEX, FFMS_ERROR_NOT_AVAILABLE,
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"No suitable, indexed track found");
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} catch (FFMS_Exception &e) {
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e.CopyOut(ErrorInfo);
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return -1;
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}
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}
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FFMS_API(int) FFMS_GetNumTracks(FFMS_Index *Index) {
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return Index->size();
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}
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FFMS_API(int) FFMS_GetNumTracksI(FFMS_Indexer *Indexer) {
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return Indexer->GetNumberOfTracks();
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}
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FFMS_API(int) FFMS_GetTrackType(FFMS_Track *T) {
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return T->TT;
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}
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FFMS_API(int) FFMS_GetTrackTypeI(FFMS_Indexer *Indexer, int Track) {
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return Indexer->GetTrackType(Track);
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}
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FFMS_API(const char *) FFMS_GetCodecNameI(FFMS_Indexer *Indexer, int Track) {
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return Indexer->GetTrackCodec(Track);
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}
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FFMS_API(int) FFMS_GetNumFrames(FFMS_Track *T) {
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return T->size();
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}
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FFMS_API(const FFMS_FrameInfo *) FFMS_GetFrameInfo(FFMS_Track *T, int Frame) {
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return reinterpret_cast<FFMS_FrameInfo *>(&(*T)[Frame]);
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}
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FFMS_API(FFMS_Track *) FFMS_GetTrackFromIndex(FFMS_Index *Index, int Track) {
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return &(*Index)[Track];
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}
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FFMS_API(FFMS_Track *) FFMS_GetTrackFromVideo(FFMS_VideoSource *V) {
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return V->GetTrack();
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}
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FFMS_API(FFMS_Track *) FFMS_GetTrackFromAudio(FFMS_AudioSource *A) {
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return A->GetTrack();
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}
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FFMS_API(const FFMS_TrackTimeBase *) FFMS_GetTimeBase(FFMS_Track *T) {
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return &T->TB;
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}
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FFMS_API(int) FFMS_WriteTimecodes(FFMS_Track *T, const char *TimecodeFile, FFMS_ErrorInfo *ErrorInfo) {
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ClearErrorInfo(ErrorInfo);
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try {
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T->WriteTimecodes(TimecodeFile);
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} catch (FFMS_Exception &e) {
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return e.CopyOut(ErrorInfo);
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}
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return FFMS_ERROR_SUCCESS;
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}
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FFMS_API(FFMS_Index *) FFMS_MakeIndex(const char *SourceFile, int IndexMask, int DumpMask, TAudioNameCallback ANC, void *ANCPrivate, int ErrorHandling, TIndexCallback IC, void *ICPrivate, FFMS_ErrorInfo *ErrorInfo) {
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FFMS_Indexer *Indexer = FFMS_CreateIndexer(SourceFile, ErrorInfo);
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if (!Indexer)
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return NULL;
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return FFMS_DoIndexing(Indexer, IndexMask, DumpMask, ANC, ANCPrivate, ErrorHandling, IC, ICPrivate, ErrorInfo);
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}
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/* Used by FFMS_DefaultAudioFilename */
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static std::string IntToStr(int i, int zp = 0) {
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std::stringstream s;
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s.fill('0');
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s.width(zp);
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s << i;
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return s.str();
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}
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static void ReplaceString(std::string &s, std::string from, std::string to) {
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int idx;
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while ((idx = s.find(from)) != std::string::npos)
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s.replace(idx, from.length(), to);
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}
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FFMS_API(int) FFMS_DefaultAudioFilename(const char *SourceFile, int Track, const FFMS_AudioProperties *AP, char *FileName, int FNSize, void *Private) {
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std::string s = static_cast<char *>(Private);
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ReplaceString(s, "%sourcefile%", SourceFile);
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ReplaceString(s, "%trackn%", IntToStr(Track));
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ReplaceString(s, "%trackzn%", IntToStr(Track, 2));
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ReplaceString(s, "%samplerate%", IntToStr(AP->SampleRate));
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ReplaceString(s, "%channels%", IntToStr(AP->Channels));
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ReplaceString(s, "%bps%", IntToStr(AP->BitsPerSample));
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ReplaceString(s, "%delay%", IntToStr(static_cast<int>(AP->FirstTime)));
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if (FileName != NULL)
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strcpy(FileName, s.c_str());
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return s.length() + 1;
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}
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FFMS_API(FFMS_Indexer *) FFMS_CreateIndexer(const char *SourceFile, FFMS_ErrorInfo *ErrorInfo) {
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ClearErrorInfo(ErrorInfo);
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try {
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return FFMS_Indexer::CreateIndexer(SourceFile);
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} catch (FFMS_Exception &e) {
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e.CopyOut(ErrorInfo);
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return NULL;
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}
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}
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FFMS_API(FFMS_Index *) FFMS_DoIndexing(FFMS_Indexer *Indexer, int IndexMask, int DumpMask, TAudioNameCallback ANC, void *ANCPrivate, int ErrorHandling, TIndexCallback IC, void *ICPrivate, FFMS_ErrorInfo *ErrorInfo) {
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ClearErrorInfo(ErrorInfo);
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Indexer->SetIndexMask(IndexMask | DumpMask);
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Indexer->SetDumpMask(DumpMask);
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Indexer->SetErrorHandling(ErrorHandling);
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Indexer->SetProgressCallback(IC, ICPrivate);
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Indexer->SetAudioNameCallback(ANC, ANCPrivate);
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FFMS_Index *Index = NULL;
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try {
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Index = Indexer->DoIndexing();
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} catch (FFMS_Exception &e) {
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e.CopyOut(ErrorInfo);
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}
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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(FFMS_Indexer *Indexer) {
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delete Indexer;
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}
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FFMS_API(FFMS_Index *) FFMS_ReadIndex(const char *IndexFile, FFMS_ErrorInfo *ErrorInfo) {
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ClearErrorInfo(ErrorInfo);
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FFMS_Index *Index = new FFMS_Index();
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try {
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Index->ReadIndex(IndexFile);
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} catch (FFMS_Exception &e) {
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delete Index;
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e.CopyOut(ErrorInfo);
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return NULL;
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}
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return Index;
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}
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FFMS_API(int) FFMS_IndexBelongsToFile(FFMS_Index *Index, const char *SourceFile, FFMS_ErrorInfo *ErrorInfo) {
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ClearErrorInfo(ErrorInfo);
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try {
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if (!Index->CompareFileSignature(SourceFile))
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throw FFMS_Exception(FFMS_ERROR_INDEX, FFMS_ERROR_FILE_MISMATCH,
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"The index does not belong to the file");
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} catch (FFMS_Exception &e) {
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return e.CopyOut(ErrorInfo);
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}
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return FFMS_ERROR_SUCCESS;
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}
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FFMS_API(int) FFMS_WriteIndex(const char *IndexFile, FFMS_Index *Index, FFMS_ErrorInfo *ErrorInfo) {
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ClearErrorInfo(ErrorInfo);
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try {
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Index->WriteIndex(IndexFile);
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} catch (FFMS_Exception &e) {
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return e.CopyOut(ErrorInfo);
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}
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return FFMS_ERROR_SUCCESS;
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}
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FFMS_API(int) FFMS_GetPixFmt(const char *Name) {
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return av_get_pix_fmt(Name);
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}
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FFMS_API(int) FFMS_GetPresentSources() {
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int Sources = FFMS_SOURCE_LAVF | FFMS_SOURCE_MATROSKA;
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#ifdef HAALISOURCE
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Sources |= FFMS_SOURCE_HAALIMPEG | FFMS_SOURCE_HAALIOGG;
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#endif
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return Sources;
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}
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FFMS_API(int) FFMS_GetEnabledSources() {
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if (!FFmpegInited)
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return 0;
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int Sources = FFMS_SOURCE_LAVF | FFMS_SOURCE_MATROSKA;
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if (HasHaaliMPEG)
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Sources |= FFMS_SOURCE_HAALIMPEG;
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if (HasHaaliOGG)
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Sources |= FFMS_SOURCE_HAALIOGG;
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return Sources;
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}
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