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Fix a few memory leaks in the FFMS2 providers. Patch by Myrsloik.

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Originally committed to SVN as r2880.
This commit is contained in:
Karl Blomster 2009-04-29 17:40:02 +00:00
parent 338188b184
commit 1b2d26c231
3 changed files with 19 additions and 14 deletions
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18
aegisub/src/audio_provider_ffmpegsource.cpp
View file

@ -89,12 +89,17 @@ void FFmpegSourceAudioProvider::LoadAudio(Aegisub::String filename) {
} else {
// index exists, but does it have indexing info for the audio track(s)?
int NumTracks = FFMS_GetNumTracks(Index);
if (NumTracks <= 0)
if (NumTracks <= 0) {
FFMS_DestroyFrameIndex(Index);
Index = NULL;
throw _T("FFmpegSource audio provider: no tracks found in index file");
}
for (int i = 0; i < NumTracks; i++) {
FrameInfoVector *FrameData = FFMS_GetTITrackIndex(Index, i, FFMSErrMsg, MsgSize);
if (FrameData == NULL) {
FFMS_DestroyFrameIndex(Index);
Index = NULL;
wxString temp(FFMSErrMsg, wxConvUTF8);
MsgString << _T("Couldn't get track data: ") << temp;
throw MsgString;
@ -104,6 +109,8 @@ void FFmpegSourceAudioProvider::LoadAudio(Aegisub::String filename) {
if (FFMS_GetNumFrames(FrameData) <= 0 && (FFMS_GetTrackType(FrameData) == FFMS_TYPE_AUDIO)) {
// found an unindexed audio track, we'll need to reindex
try {
FFMS_DestroyFrameIndex(Index);
Index = NULL;
Index = DoIndexing(Index, FileNameWX, CacheName, FFMSTrackMaskAll, false);
} catch (wxString temp) {
MsgString << temp;
@ -121,12 +128,16 @@ void FFmpegSourceAudioProvider::LoadAudio(Aegisub::String filename) {
// FIXME: provide a way to choose which audio track to load?
int TrackNumber = FFMS_GetFirstTrackOfType(Index, FFMS_TYPE_AUDIO, FFMSErrMsg, MsgSize);
if (TrackNumber < 0) {
FFMS_DestroyFrameIndex(Index);
Index = NULL;
wxString temp(FFMSErrMsg, wxConvUTF8);
MsgString << _T("Couldn't find any audio tracks: ") << temp;
throw MsgString;
}
AudioSource = FFMS_CreateAudioSource(FileNameWX.mb_str(wxConvLocal), TrackNumber, Index, FFMSErrMsg, MsgSize);
FFMS_DestroyFrameIndex(Index);
Index = NULL;
if (!AudioSource) {
wxString temp(FFMSErrMsg, wxConvUTF8);
MsgString << _T("Failed to open audio track: ") << temp;
@ -166,13 +177,8 @@ FFmpegSourceAudioProvider::~FFmpegSourceAudioProvider() {
///////////
// Clean up
void FFmpegSourceAudioProvider::Close() {
if (AudioSource)
FFMS_DestroyAudioSource(AudioSource);
AudioSource = NULL;
if (Index)
FFMS_DestroyFrameIndex(Index);
Index = NULL;
}

10
aegisub/src/video_provider_ffmpegsource.cpp
View file

@ -54,7 +54,6 @@ FFmpegSourceVideoProvider::FFmpegSourceVideoProvider(Aegisub::String filename, d
// clean up variables
VideoSource = NULL;
Index = NULL;
DstFormat = FFMS_GetPixFmt("none");
LastDstFormat = FFMS_GetPixFmt("none");
KeyFramesLoaded = false;
@ -89,7 +88,7 @@ void FFmpegSourceVideoProvider::LoadVideo(Aegisub::String filename, double fps)
wxString CacheName = GetCacheFilename(filename.c_str());
// try to read index
Index = FFMS_ReadIndex(CacheName.char_str(), FFMSErrorMessage, MessageSize);
FrameIndex *Index = FFMS_ReadIndex(CacheName.char_str(), FFMSErrorMessage, MessageSize);
if (Index == NULL) {
// index didn't exist or was invalid, we'll have to (re)create it
try {
@ -124,12 +123,16 @@ void FFmpegSourceVideoProvider::LoadVideo(Aegisub::String filename, double fps)
// FIXME: provide a way to choose which audio track to load?
int TrackNumber = FFMS_GetFirstTrackOfType(Index, FFMS_TYPE_VIDEO, FFMSErrorMessage, MessageSize);
if (TrackNumber < 0) {
FFMS_DestroyFrameIndex(Index);
Index = NULL;
wxString temp(FFMSErrorMessage, wxConvUTF8);
ErrorMsg << _T("Couldn't find any video tracks: ") << temp;
throw ErrorMsg;
}
VideoSource = FFMS_CreateVideoSource(FileNameWX.mb_str(wxConvLocal), TrackNumber, Index, "", Threads, SeekMode, FFMSErrorMessage, MessageSize);
FFMS_DestroyFrameIndex(Index);
Index = NULL;
if (VideoSource == NULL) {
wxString temp(FFMSErrorMessage, wxConvUTF8);
ErrorMsg << _T("Failed to open video track: ") << temp;
@ -188,11 +191,8 @@ void FFmpegSourceVideoProvider::LoadVideo(Aegisub::String filename, double fps)
///////////////
// Close video
void FFmpegSourceVideoProvider::Close() {
if (VideoSource)
FFMS_DestroyVideoSource(VideoSource);
VideoSource = NULL;
if (Index)
FFMS_DestroyFrameIndex(Index);
DstFormat = FFMS_GetPixFmt("none");
LastDstFormat = FFMS_GetPixFmt("none");

1
aegisub/src/video_provider_ffmpegsource.h
View file

@ -49,7 +49,6 @@ class FFmpegSourceVideoProvider : public VideoProvider, FFmpegSourceProvider {
private:
VideoBase *VideoSource;
const VideoProperties *VideoInfo;
FrameIndex *Index;
int FrameNumber;
wxArrayInt KeyFramesList;