bc74dfc33b
Write the color range and color space used to convert video to RGB to the YCbCr Matrix field, or None if no non-RGB video was opened. See http://code.google.com/p/xy-vsfilter/issues/detail?id=91 for related discussion. Originally committed to SVN as r6762.
273 lines
9.1 KiB
C++
273 lines
9.1 KiB
C++
// Copyright (c) 2008-2009, Karl Blomster
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright notice,
|
|
// this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above copyright notice,
|
|
// this list of conditions and the following disclaimer in the documentation
|
|
// and/or other materials provided with the distribution.
|
|
// * Neither the name of the Aegisub Group nor the names of its contributors
|
|
// may be used to endorse or promote products derived from this software
|
|
// without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
// POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
// Aegisub Project http://www.aegisub.org/
|
|
//
|
|
// $Id$
|
|
|
|
/// @file video_provider_ffmpegsource.cpp
|
|
/// @brief FFmpegSource2-based video provider
|
|
/// @ingroup video_input ffms
|
|
///
|
|
|
|
#include "config.h"
|
|
|
|
#ifdef WITH_FFMS2
|
|
|
|
#ifndef AGI_PRE
|
|
#ifdef __WINDOWS__
|
|
#include <objbase.h>
|
|
#endif
|
|
|
|
#include <map>
|
|
|
|
#include <wx/choicdlg.h>
|
|
#include <wx/msgdlg.h>
|
|
#include <wx/utils.h>
|
|
#endif
|
|
|
|
#include "aegisub_endian.h"
|
|
#include "compat.h"
|
|
#include "main.h"
|
|
#include "utils.h"
|
|
#include "video_context.h"
|
|
#include "video_provider_ffmpegsource.h"
|
|
|
|
/// @brief Constructor
|
|
/// @param filename The filename to open
|
|
FFmpegSourceVideoProvider::FFmpegSourceVideoProvider(wxString filename) try
|
|
: VideoSource(NULL, FFMS_DestroyVideoSource)
|
|
, VideoInfo(NULL)
|
|
, Width(-1)
|
|
, Height(-1)
|
|
, FrameNumber(-1)
|
|
{
|
|
ErrInfo.Buffer = FFMSErrMsg;
|
|
ErrInfo.BufferSize = sizeof(FFMSErrMsg);
|
|
ErrInfo.ErrorType = FFMS_ERROR_SUCCESS;
|
|
ErrInfo.SubType = FFMS_ERROR_SUCCESS;
|
|
|
|
SetLogLevel();
|
|
|
|
// and here we go
|
|
LoadVideo(filename);
|
|
}
|
|
catch (wxString const& err) {
|
|
throw VideoOpenError(STD_STR(err));
|
|
}
|
|
catch (const char * err) {
|
|
throw VideoOpenError(err);
|
|
}
|
|
|
|
/// @brief Opens video
|
|
/// @param filename The filename to open
|
|
void FFmpegSourceVideoProvider::LoadVideo(wxString filename) {
|
|
wxString FileNameShort = wxFileName(filename).GetShortPath();
|
|
|
|
FFMS_Indexer *Indexer = FFMS_CreateIndexer(FileNameShort.utf8_str(), &ErrInfo);
|
|
if (!Indexer)
|
|
throw agi::FileNotFoundError(ErrInfo.Buffer);
|
|
|
|
std::map<int,wxString> TrackList = GetTracksOfType(Indexer, FFMS_TYPE_VIDEO);
|
|
if (TrackList.size() <= 0)
|
|
throw VideoNotSupported("no video tracks found");
|
|
|
|
// initialize the track number to an invalid value so we can detect later on
|
|
// whether the user actually had to choose a track or not
|
|
int TrackNumber = -1;
|
|
if (TrackList.size() > 1) {
|
|
TrackNumber = AskForTrackSelection(TrackList, FFMS_TYPE_VIDEO);
|
|
// if it's still -1 here, user pressed cancel
|
|
if (TrackNumber == -1)
|
|
throw agi::UserCancelException("video loading cancelled by user");
|
|
}
|
|
|
|
// generate a name for the cache file
|
|
wxString CacheName = GetCacheFilename(filename);
|
|
|
|
// try to read index
|
|
agi::scoped_holder<FFMS_Index*, void (FFMS_CC*)(FFMS_Index*)>
|
|
Index(FFMS_ReadIndex(CacheName.utf8_str(), &ErrInfo), FFMS_DestroyIndex);
|
|
|
|
if (Index && FFMS_IndexBelongsToFile(Index, FileNameShort.utf8_str(), &ErrInfo))
|
|
Index = NULL;
|
|
|
|
// time to examine the index and check if the track we want is indexed
|
|
// technically this isn't really needed since all video tracks should always be indexed,
|
|
// but a bit of sanity checking never hurt anyone
|
|
if (Index && TrackNumber >= 0) {
|
|
FFMS_Track *TempTrackData = FFMS_GetTrackFromIndex(Index, TrackNumber);
|
|
if (FFMS_GetNumFrames(TempTrackData) <= 0)
|
|
Index = NULL;
|
|
}
|
|
|
|
// moment of truth
|
|
if (!Index) {
|
|
int TrackMask = FFMS_TRACKMASK_NONE;
|
|
if (OPT_GET("Provider/FFmpegSource/Index All Tracks")->GetBool() || OPT_GET("Video/Open Audio")->GetBool())
|
|
TrackMask = FFMS_TRACKMASK_ALL;
|
|
// ignore audio decoding errors here, we don't care right now
|
|
Index = DoIndexing(Indexer, CacheName, TrackMask, FFMS_IEH_IGNORE);
|
|
}
|
|
|
|
// update access time of index file so it won't get cleaned away
|
|
wxFileName(CacheName).Touch();
|
|
|
|
// we have now read the index and may proceed with cleaning the index cache
|
|
CleanCache();
|
|
|
|
// track number still not set?
|
|
if (TrackNumber < 0) {
|
|
// just grab the first track
|
|
TrackNumber = FFMS_GetFirstIndexedTrackOfType(Index, FFMS_TYPE_VIDEO, &ErrInfo);
|
|
if (TrackNumber < 0)
|
|
throw VideoNotSupported(std::string("Couldn't find any video tracks: ") + ErrInfo.Buffer);
|
|
}
|
|
|
|
// set thread count
|
|
int Threads = OPT_GET("Provider/Video/FFmpegSource/Decoding Threads")->GetInt();
|
|
if (FFMS_GetSourceType(Index) == FFMS_SOURCE_LAVF)
|
|
Threads = 1;
|
|
|
|
// set seekmode
|
|
// TODO: give this its own option?
|
|
int SeekMode;
|
|
if (OPT_GET("Provider/Video/FFmpegSource/Unsafe Seeking")->GetBool())
|
|
SeekMode = FFMS_SEEK_UNSAFE;
|
|
else
|
|
SeekMode = FFMS_SEEK_NORMAL;
|
|
|
|
VideoSource = FFMS_CreateVideoSource(FileNameShort.utf8_str(), TrackNumber, Index, Threads, SeekMode, &ErrInfo);
|
|
if (!VideoSource)
|
|
throw VideoOpenError(std::string("Failed to open video track: ") + ErrInfo.Buffer);
|
|
|
|
// load video properties
|
|
VideoInfo = FFMS_GetVideoProperties(VideoSource);
|
|
|
|
const FFMS_Frame *TempFrame = FFMS_GetFrame(VideoSource, 0, &ErrInfo);
|
|
if (!TempFrame)
|
|
throw VideoOpenError(std::string("Failed to decode first frame: ") + ErrInfo.Buffer);
|
|
|
|
Width = TempFrame->EncodedWidth;
|
|
Height = TempFrame->EncodedHeight;
|
|
if (VideoInfo->SARDen > 0 && VideoInfo->SARNum > 0)
|
|
DAR = double(Width) * VideoInfo->SARNum / ((double)Height * VideoInfo->SARDen);
|
|
else
|
|
DAR = double(Width) / Height;
|
|
|
|
// Assuming TV for unspecified
|
|
wxString ColorRange = TempFrame->ColorRange == FFMS_CR_JPEG ? "PC" : "TV";
|
|
|
|
int CS = TempFrame->ColorSpace;
|
|
#if FFMS_VERSION >= ((2 << 24) | (17 << 16) | (1 << 8) | 0)
|
|
if (CS != FFMS_CS_RGB && CS != FFMS_CS_BT470BG && OPT_GET("Video/Force BT.601")->GetBool()) {
|
|
if (FFMS_SetInputFormatV(VideoSource, FFMS_CS_BT470BG, FFMS_CR_MPEG, FFMS_GetPixFmt(""), &ErrInfo))
|
|
throw VideoOpenError(std::string("Failed to set input format: ") + ErrInfo.Buffer);
|
|
|
|
CS = FFMS_CS_BT470BG;
|
|
ColorRange = "TV";
|
|
}
|
|
#endif
|
|
|
|
switch (CS) {
|
|
case FFMS_CS_RGB:
|
|
ColorSpace = "None";
|
|
break;
|
|
case FFMS_CS_BT709:
|
|
ColorSpace = wxString::Format("%s.709", ColorRange);
|
|
break;
|
|
case FFMS_CS_UNSPECIFIED:
|
|
ColorSpace = wxString::Format("%s.%s", ColorRange, Width > 1024 || Height >= 600 ? "709" : "601");
|
|
break;
|
|
case FFMS_CS_FCC:
|
|
ColorSpace = wxString::Format("%s.FCC", ColorRange);
|
|
break;
|
|
case FFMS_CS_BT470BG:
|
|
case FFMS_CS_SMPTE170M:
|
|
ColorSpace = wxString::Format("%s.601", ColorRange);
|
|
break;
|
|
case FFMS_CS_SMPTE240M:
|
|
ColorSpace = wxString::Format("%s.204M", ColorRange);
|
|
break;
|
|
default:
|
|
throw VideoOpenError("Unknown video color space");
|
|
break;
|
|
}
|
|
|
|
const int TargetFormat[] = { FFMS_GetPixFmt("bgra"), -1 };
|
|
if (FFMS_SetOutputFormatV2(VideoSource, TargetFormat, Width, Height, FFMS_RESIZER_BICUBIC, &ErrInfo)) {
|
|
throw VideoOpenError(std::string("Failed to set output format: ") + ErrInfo.Buffer);
|
|
}
|
|
|
|
// get frame info data
|
|
FFMS_Track *FrameData = FFMS_GetTrackFromVideo(VideoSource);
|
|
if (FrameData == NULL)
|
|
throw VideoOpenError("failed to get frame data");
|
|
const FFMS_TrackTimeBase *TimeBase = FFMS_GetTimeBase(FrameData);
|
|
if (TimeBase == NULL)
|
|
throw VideoOpenError("failed to get track time base");
|
|
|
|
const FFMS_FrameInfo *CurFrameData;
|
|
|
|
// build list of keyframes and timecodes
|
|
std::vector<int> TimecodesVector;
|
|
for (int CurFrameNum = 0; CurFrameNum < VideoInfo->NumFrames; CurFrameNum++) {
|
|
CurFrameData = FFMS_GetFrameInfo(FrameData, CurFrameNum);
|
|
if (CurFrameData == NULL) {
|
|
throw VideoOpenError(STD_STR(wxString::Format("Couldn't get info about frame %d", CurFrameNum)));
|
|
}
|
|
|
|
// keyframe?
|
|
if (CurFrameData->KeyFrame)
|
|
KeyFramesList.push_back(CurFrameNum);
|
|
|
|
// calculate timestamp and add to timecodes vector
|
|
int Timestamp = (int)((CurFrameData->PTS * TimeBase->Num) / TimeBase->Den);
|
|
TimecodesVector.push_back(Timestamp);
|
|
}
|
|
if (TimecodesVector.size() < 2)
|
|
Timecodes = 25.0;
|
|
else
|
|
Timecodes = agi::vfr::Framerate(TimecodesVector);
|
|
|
|
FrameNumber = 0;
|
|
}
|
|
|
|
const AegiVideoFrame FFmpegSourceVideoProvider::GetFrame(int n) {
|
|
FrameNumber = mid(0, n, GetFrameCount() - 1);
|
|
|
|
// decode frame
|
|
const FFMS_Frame *SrcFrame = FFMS_GetFrame(VideoSource, FrameNumber, &ErrInfo);
|
|
if (SrcFrame == NULL) {
|
|
throw VideoDecodeError(std::string("Failed to retrieve frame: ") + ErrInfo.Buffer);
|
|
}
|
|
|
|
CurFrame.SetTo(SrcFrame->Data[0], Width, Height, SrcFrame->Linesize[0]);
|
|
return CurFrame;
|
|
}
|
|
|
|
#endif /* WITH_FFMS2 */
|