mirror of https://github.com/odrling/Aegisub
Implement a basic QuickTime audio provider. Currently a bit limited in functionality (it will convert everything to 16-bit mono), but seems to work fine with the one .mov test file I have. Also does a lot of ugly downcasting, I'll try to fix that later.
Originally committed to SVN as r3254.
This commit is contained in:
Karl Blomster
parent
8cb1e62831
commit
bec8951534
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@ -50,6 +50,9 @@
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#ifdef WITH_FFMPEGSOURCE
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#include "audio_provider_ffmpegsource.h"
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#endif
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#ifdef WITH_QUICKTIME
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#include "audio_provider_quicktime.h"
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#endif
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#include "options.h"
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#include "audio_display.h"
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@ -279,6 +282,9 @@ void AudioProviderFactoryManager::RegisterProviders() {
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#ifdef WITH_FFMPEGSOURCE
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RegisterFactory(new FFmpegSourceAudioProviderFactory(),_T("FFmpegSource"));
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#endif
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#ifdef WITH_QUICKTIME
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RegisterFactory(new QuickTimeAudioProviderFactory(), _T("QuickTime"));
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#endif
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}
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@ -0,0 +1,180 @@
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// Copyright (c) 2009, Karl Blomster
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of the Aegisub Group nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// -----------------------------------------------------------------------------
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//
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// AEGISUB
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//
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// Website: http://aegisub.cellosoft.com
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// Contact: mailto:zeratul@cellosoft.com
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//
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#include "audio_provider_quicktime.h"
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#ifdef WITH_QUICKTIME
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QuickTimeAudioProvider::QuickTimeAudioProvider(wxString filename) {
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movie = NULL;
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in_dataref = NULL;
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extract_ref = NULL;
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inited = false;
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qt_err = noErr;
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qt_status = noErr;
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errmsg = _T("QuickTime audio provider: ");
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// try to init quicktime
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try {
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InitQuickTime();
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}
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catch (wxString temp) {
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errmsg.Append(temp);
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throw errmsg;
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}
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catch (...) {
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throw;
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}
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// try to load audio
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try {
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LoadAudio(filename);
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}
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catch (wxString temp) {
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errmsg.Append(temp);
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throw errmsg;
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}
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catch (...) {
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throw;
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}
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}
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QuickTimeAudioProvider::~QuickTimeAudioProvider() {
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Close();
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DeInitQuickTime();
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}
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void QuickTimeAudioProvider::Close() {
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if (movie)
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DisposeMovie(movie);
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movie = NULL;
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if (in_dataref)
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DisposeHandle(in_dataref);
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in_dataref = NULL;
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if (inited)
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MovieAudioExtractionEnd(extract_ref);
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inited = false;
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}
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void QuickTimeAudioProvider::LoadAudio(wxString filename) {
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OSType in_dataref_type;
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wxStringToDataRef(filename, &in_dataref, &in_dataref_type);
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// verify that file is openable
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if (!CanOpen(in_dataref, in_dataref_type))
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throw wxString(_T("QuickTime cannot open file as audio"));
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// actually open file
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short res_id = 0;
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qt_err = NewMovieFromDataRef(&movie, 0, &res_id, in_dataref, in_dataref_type);
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QTCheckError(qt_err, wxString(_T("Failed to open file")));
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// disable automagic screen rendering just to be safe
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qt_err = SetMovieVisualContext(movie, NULL);
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QTCheckError(qt_err, wxString(_T("Failed to disable visual context")));
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qt_status = MovieAudioExtractionBegin(movie, 0, &extract_ref);
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QTCheckError(qt_status, wxString(_T("Failed to initialize audio extraction")));
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inited = true;
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// and here I thought I knew what "verbose" meant...
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AudioStreamBasicDescription asbd;
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qt_status = MovieAudioExtractionGetProperty(extract_ref, kQTPropertyClass_MovieAudioExtraction_Audio,
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kQTMovieAudioExtractionAudioPropertyID_AudioStreamBasicDescription, sizeof(asbd), &asbd, NULL);
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QTCheckError(qt_status, wxString(_T("Failed to retreive audio properties")));
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sample_rate = (int)asbd.mSampleRate;
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channels = 1; // FIXME: allow more than one channel
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bytes_per_sample = 2;
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// lazy hack: set the movie time scale to same as the sample rate, to allow for easy seeking
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SetMovieTimeScale(movie, (TimeScale)asbd.mSampleRate);
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num_samples = GetMovieDuration(movie);
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asbd.mFormatFlags = kAudioFormatFlagIsSignedInteger | kAudioFormatFlagIsPacked | kAudioFormatFlagsNativeEndian;
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asbd.mBitsPerChannel = sizeof(int16_t) * 8;
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asbd.mBytesPerFrame = sizeof(int16_t);
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asbd.mBytesPerPacket = asbd.mBytesPerFrame;
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asbd.mChannelsPerFrame = 1;
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qt_status = MovieAudioExtractionSetProperty(extract_ref, kQTPropertyClass_MovieAudioExtraction_Audio,
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kQTMovieAudioExtractionAudioPropertyID_AudioStreamBasicDescription, sizeof(asbd), &asbd);
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QTCheckError(qt_status, wxString(_T("Failed to set audio properties")));
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AudioChannelLayout ch_layout;
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ch_layout.mChannelLayoutTag = kAudioChannelLayoutTag_Mono;
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ch_layout.mChannelBitmap = 0;
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ch_layout.mNumberChannelDescriptions = 0;
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qt_status = MovieAudioExtractionSetProperty(extract_ref, kQTPropertyClass_MovieAudioExtraction_Audio,
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kQTMovieAudioExtractionAudioPropertyID_AudioChannelLayout, sizeof(ch_layout), &ch_layout);
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QTCheckError(qt_status, wxString(_T("Failed to set channel layout")));
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}
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void QuickTimeAudioProvider::GetAudio(void *buf, int64_t start, int64_t count) {
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TimeRecord trec;
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trec.scale = GetMovieTimeScale(movie);
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trec.base = NULL;
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trec.value.hi = (int32_t)(start >> 32);
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trec.value.lo = (int32_t)((start & 0xFFFFFFFF00000000ULL) >> 32);
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qt_status = MovieAudioExtractionSetProperty(extract_ref, kQTPropertyClass_MovieAudioExtraction_Movie,
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kQTMovieAudioExtractionMoviePropertyID_CurrentTime, sizeof(TimeRecord), &trec);
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QTCheckError(qt_status, wxString(_T("QuickTime audio provider: Failed to seek in file")));
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// FIXME: hack something up to actually handle very big counts correctly,
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// maybe with multiple buffers?
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AudioBufferList dst_buflist;
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dst_buflist.mNumberBuffers = 1;
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dst_buflist.mBuffers[0].mNumberChannels = 1;
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dst_buflist.mBuffers[0].mDataByteSize = count * bytes_per_sample;
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dst_buflist.mBuffers[0].mData = buf;
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UInt32 flags;
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UInt32 decode_count = (UInt32)count;
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qt_status = MovieAudioExtractionFillBuffer(extract_ref, &decode_count, &dst_buflist, &flags);
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QTCheckError(qt_status, wxString(_T("QuickTime audio provider: Failed to decode audio")));
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if (count != decode_count)
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wxLogDebug(_T("QuickTime audio provider: GetAudio: Warning: decoded samplecount %d not same as requested count %d"),
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decode_count, (uint32_t)count);
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}
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#endif /* WITH_QUICKTIME */
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@ -0,0 +1,78 @@
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// Copyright (c) 2009, Karl Blomster
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of the Aegisub Group nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// -----------------------------------------------------------------------------
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//
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// AEGISUB
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//
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// Website: http://aegisub.cellosoft.com
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// Contact: mailto:zeratul@cellosoft.com
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//
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#pragma once
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#include "quicktime_common.h"
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#ifdef WITH_QUICKTIME
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#include <wx/wxprec.h>
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#include <wx/log.h>
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#include "include/aegisub/audio_provider.h"
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class QuickTimeAudioProvider : public AudioProvider, QuickTimeProvider {
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private:
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Movie movie; // input file
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Handle in_dataref; // input file handle
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MovieAudioExtractionRef extract_ref; // extraction session object
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bool inited;
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OSErr qt_err; // quicktime error code
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OSStatus qt_status; // another quicktime error code
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wxString errmsg; // aegisub error messages
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void Close();
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void LoadAudio(wxString filename);
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public:
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QuickTimeAudioProvider(wxString filename);
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virtual ~QuickTimeAudioProvider();
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bool AreSamplesNativeEndian() { return true; }
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virtual void GetAudio(void *buf, int64_t start, int64_t count);
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};
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class QuickTimeAudioProviderFactory : public AudioProviderFactory {
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public:
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AudioProvider *CreateProvider(wxString file) { return new QuickTimeAudioProvider(file); }
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};
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#endif /* WITH_QUICKTIME */
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@ -39,7 +39,8 @@
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#ifdef WITH_QUICKTIME
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#include <wx/wxprec.h>
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// static fun
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// static init fun
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int QuickTimeProvider::qt_initcount = 0;
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GWorldPtr QuickTimeProvider::default_gworld = NULL;
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@ -52,12 +53,12 @@ void QuickTimeProvider::InitQuickTime() {
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#endif
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qt_err = EnterMovies();
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QTCheckError(qt_err, wxString(_T("EnterMovies() failed")));
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QTCheckError(qt_err, wxString(_T("EnterMovies failed")));
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// have we been inited before?
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if (qt_initcount <= 0) {
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// we haven't, allocate an offscreen graphics world
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// we need to do this before we actually open anything, or quicktime may crash (heh)
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// We haven't, allocate an offscreen render target.
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// We need to do this before we actually open anything, or quicktime may crash. (heh)
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Rect def_box;
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def_box.top = 0;
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def_box.left = 0;
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@ -75,6 +76,7 @@ void QuickTimeProvider::InitQuickTime() {
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void QuickTimeProvider::DeInitQuickTime() {
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#ifdef WIN32
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// calls to InitializeQTML() must be balanced with an equal number of calls to TerminateQTML()
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TerminateQTML();
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#endif
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qt_initcount--;
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@ -86,6 +88,7 @@ void QuickTimeProvider::DeInitQuickTime() {
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}
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// convert a wxstring containing a filename to a QT data reference
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void QuickTimeProvider::wxStringToDataRef(const wxString &string, Handle *dataref, OSType *dataref_type) {
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// convert filename, first to a CFStringRef...
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wxString wx_filename = wxFileName(string).GetShortPath();
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@ -104,8 +107,13 @@ void QuickTimeProvider::QTCheckError(OSErr err, wxString errmsg) {
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throw errmsg;
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/* CheckError(err, errmsg.c_str()); // I wonder if this actually works on Mac, and if so, what it does */
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}
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void QuickTimeProvider::QTCheckError(OSStatus err, wxString errmsg) {
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if (err != noErr)
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throw errmsg;
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}
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// return true if QT considers file openable
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bool QuickTimeProvider::CanOpen(const Handle& dataref, const OSType dataref_type) {
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Boolean can_open;
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Boolean prefer_img;
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@ -43,12 +43,10 @@
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#include <wx/thread.h>
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#include "include/aegisub/aegisub.h"
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// qt stuff
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// QT stuff
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#ifdef _MSC_VER
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// avoid conflicts between MSVC's stdint.h and QT's stdint.h
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#define _STDINT_H
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// get MSVC to shut up about a macro redefinition in QT's ConditionalMacros.h
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#pragma warning(disable: 4004)
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#define _STDINT_H // avoid conflicts between MSVC's stdint.h and QT's stdint.h
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#pragma warning(disable: 4004) // get MSVC to shut up about a macro redefinition in QT's ConditionalMacros.h
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#endif
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extern "C" {
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#ifdef WIN32
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@ -68,7 +66,10 @@ public:
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void DeInitQuickTime();
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void wxStringToDataRef(const wxString &string, Handle *dataref, OSType *dataref_type);
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bool CanOpen(const Handle& dataref, const OSType dataref_type);
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void QTCheckError(OSErr err, wxString errmsg);
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void QTCheckError(OSStatus err, wxString errmsg);
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static int qt_initcount;
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static GWorldPtr default_gworld;
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@ -140,8 +140,7 @@ void QuickTimeVideoProvider::LoadVideo(const wxString _filename) {
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h = m_box.bottom;
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// allocate a new offscreen rendering buffer with the correct dimensions
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QDErr qd_err = NewGWorld(&gw, 32, &m_box, NULL, NULL, keepLocal);
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if (qd_err != noErr)
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throw wxString(_T("Failed to initialize offscreen drawing buffer"));
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QTCheckError(qd_err, wxString(_T("Failed to initialize offscreen drawing buffer")));
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// select our new offscreen render target
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SetMovieGWorld(movie, gw, NULL);
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