diff -r 67217e6108fd -r 5e7c0810f365 QTfrontend/util/libav_iteraction.cpp
--- a/QTfrontend/util/libav_iteraction.cpp	Tue Oct 30 02:22:54 2012 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,356 +0,0 @@
-/*
- * Hedgewars, a free turn based strategy game
- * Copyright (c) 2004-2012 Andrey Korotaev <unC0Rr@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
- */
-
-#include "libav_iteraction.h"
-
-#if VIDEOREC
-extern "C"
-{
-#include "libavformat/avformat.h"
-}
-
-#include <QVector>
-#include <QList>
-#include <QComboBox>
-
-#include "HWApplication.h"
-
-struct Codec
-{
-    CodecID id;
-    bool isAudio;
-    QString shortName; // used for identification
-    QString longName; // used for displaying to user
-    bool isRecomended;
-};
-
-struct Format
-{
-    QString shortName;
-    QString longName;
-    bool isRecomended;
-    QString extension;
-    QVector<Codec*> codecs;
-};
-
-QList<Codec> codecs;
-QMap<QString,Format> formats;
-
-// test if given format supports given codec
-bool FormatQueryCodec(AVOutputFormat *ofmt, enum CodecID codec_id)
-{
-#if LIBAVFORMAT_VERSION_MAJOR >= 54
-    return avformat_query_codec(ofmt, codec_id, FF_COMPLIANCE_NORMAL) == 1;
-#else
-    if (ofmt->codec_tag)
-        return !!av_codec_get_tag(ofmt->codec_tag, codec_id);
-    return codec_id == ofmt->video_codec || codec_id == ofmt->audio_codec;
-#endif
-}
-
-LibavIteraction::LibavIteraction() : QObject()
-{
-    // initialize libav and register all codecs and formats
-    av_register_all();
-
-    // get list of all codecs
-    AVCodec* pCodec = NULL;
-    while (pCodec = av_codec_next(pCodec))
-    {
-#if LIBAVCODEC_VERSION_MAJOR >= 54
-        if (!av_codec_is_encoder(pCodec))
-#else
-        if (!pCodec->encode)
-#endif
-            continue;
-
-        if (pCodec->type != AVMEDIA_TYPE_VIDEO && pCodec->type != AVMEDIA_TYPE_AUDIO)
-            continue;
-
-        // this encoders seems to be buggy
-        if (strcmp(pCodec->name, "rv10") == 0 || strcmp(pCodec->name, "rv20") == 0)
-            continue;
-
-        // doesn't support stereo sound
-        if (strcmp(pCodec->name, "real_144") == 0)
-            continue;
-
-        if (!pCodec->long_name || strlen(pCodec->long_name) == 0)
-            continue;
-
-        if (pCodec->type == AVMEDIA_TYPE_VIDEO)
-        {
-            if (pCodec->supported_framerates != NULL)
-                continue;
-
-            // check if codec supports yuv 4:2:0 format
-            if (!pCodec->pix_fmts)
-                continue;
-            bool yuv420Supported = false;
-            for (const PixelFormat* pfmt = pCodec->pix_fmts; *pfmt != -1; pfmt++)
-                if (*pfmt == PIX_FMT_YUV420P)
-                {
-                    yuv420Supported = true;
-                    break;
-                }
-            if (!yuv420Supported)
-                continue;
-        }
-        if (pCodec->type == AVMEDIA_TYPE_AUDIO)
-        {
-            // check if codec supports signed 16-bit format
-            if (!pCodec->sample_fmts)
-                continue;
-            bool s16Supported = false;
-            for (const AVSampleFormat* pfmt = pCodec->sample_fmts; *pfmt != -1; pfmt++)
-                if (*pfmt == AV_SAMPLE_FMT_S16)
-                {
-                    s16Supported = true;
-                    break;
-                }
-            if (!s16Supported)
-                continue;
-        }
-        // add codec to list of codecs
-        codecs.push_back(Codec());
-        Codec & codec = codecs.back();
-        codec.id = pCodec->id;
-        codec.isAudio = pCodec->type == AVMEDIA_TYPE_AUDIO;
-        codec.shortName = pCodec->name;
-        codec.longName = pCodec->long_name;
-
-        codec.isRecomended = false;
-        if (strcmp(pCodec->name, "libx264") == 0)
-        {
-            codec.longName = "H.264/MPEG-4 Part 10 AVC (x264)";
-            codec.isRecomended = true;
-        }
-        else if (strcmp(pCodec->name, "libxvid") == 0)
-        {
-            codec.longName = "MPEG-4 Part 2 (Xvid)";
-            codec.isRecomended = true;
-        }
-        else if (strcmp(pCodec->name, "libmp3lame") == 0)
-        {
-            codec.longName = "MP3 (MPEG audio layer 3) (LAME)";
-            codec.isRecomended = true;
-        }
-        else
-            codec.longName = pCodec->long_name;
-
-        if (strcmp(pCodec->name, "mpeg4") == 0 || strcmp(pCodec->name, "ac3_fixed") == 0)
-            codec.isRecomended = true;
-
-        // FIXME: remove next line
-        //codec.longName += QString(" (%1)").arg(codec.shortName);
-    }
-
-    // get list of all formats
-    AVOutputFormat* pFormat = NULL;
-    while (pFormat = av_oformat_next(pFormat))
-    {
-        if (!pFormat->extensions)
-            continue;
-
-        // skip some strange formats to not confuse users
-        if (strstr(pFormat->long_name, "raw"))
-            continue;
-
-        Format format;
-        bool hasVideoCodec = false;
-        for (QList<Codec>::iterator codec = codecs.begin(); codec != codecs.end(); ++codec)
-        {
-            if (!FormatQueryCodec(pFormat, codec->id))
-                continue;
-            format.codecs.push_back(&*codec);
-            if (!codec->isAudio)
-                hasVideoCodec = true;
-        }
-        if (!hasVideoCodec)
-            continue;
-
-        QString ext(pFormat->extensions);
-        ext.truncate(strcspn(pFormat->extensions, ","));
-        format.extension = ext;
-        format.shortName = pFormat->name;
-        format.longName = QString("%1 (*.%2)").arg(pFormat->long_name).arg(ext);
-
-        // FIXME: remove next line
-        //format.longName += QString(" (%1)").arg(format.shortName);
-
-        format.isRecomended = strcmp(pFormat->name, "mp4") == 0 || strcmp(pFormat->name, "avi") == 0;
-
-        formats[pFormat->name] = format;
-    }
-}
-
-void LibavIteraction::fillFormats(QComboBox * pFormats)
-{
-    // first insert recomended formats
-    foreach(const Format & format, formats)
-        if (format.isRecomended)
-            pFormats->addItem(format.longName, format.shortName);
-
-    // remember where to place separator between recomended and other formats
-    int sep = pFormats->count();
-
-    // insert remaining formats
-    foreach(const Format & format, formats)
-        if (!format.isRecomended)
-            pFormats->addItem(format.longName, format.shortName);
-
-    // insert separator if necessary
-    if (sep != 0 && sep != pFormats->count())
-        pFormats->insertSeparator(sep);
-}
-
-void LibavIteraction::fillCodecs(const QString & fmt, QComboBox * pVCodecs, QComboBox * pACodecs)
-{
-    Format & format = formats[fmt];
-
-    // first insert recomended codecs
-    foreach(Codec * codec, format.codecs)
-    {
-        if (codec->isRecomended)
-        {
-            if (codec->isAudio)
-                pACodecs->addItem(codec->longName, codec->shortName);
-            else
-                pVCodecs->addItem(codec->longName, codec->shortName);
-        }
-    }
-
-    // remember where to place separators between recomended and other codecs
-    int vsep = pVCodecs->count();
-    int asep = pACodecs->count();
-
-    // insert remaining codecs
-    foreach(Codec * codec, format.codecs)
-    {
-        if (!codec->isRecomended)
-        {
-            if (codec->isAudio)
-                pACodecs->addItem(codec->longName, codec->shortName);
-            else
-                pVCodecs->addItem(codec->longName, codec->shortName);
-        }
-    }
-
-    // insert separators if necessary
-    if (vsep != 0 && vsep != pVCodecs->count())
-        pVCodecs->insertSeparator(vsep);
-    if (asep != 0 && asep != pACodecs->count())
-        pACodecs->insertSeparator(asep);
-}
-
-QString LibavIteraction::getExtension(const QString & format)
-{
-    return formats[format].extension;
-}
-
-// get information abaout file (duration, resolution etc) in multiline string
-QString LibavIteraction::getFileInfo(const QString & filepath)
-{
-    AVFormatContext* pContext = NULL;
-    QByteArray utf8path = filepath.toUtf8();
-    if (avformat_open_input(&pContext, utf8path.data(), NULL, NULL) < 0)
-        return "";
-#if LIBAVFORMAT_VERSION_MAJOR < 54
-    if (av_find_stream_info(pContext) < 0)
-#else
-    if (avformat_find_stream_info(pContext, NULL) < 0)
-#endif
-        return "";
-
-    int s = float(pContext->duration)/AV_TIME_BASE;
-    QString desc = QString(tr("Duration: %1m %2s\n")).arg(s/60).arg(s%60);
-    for (int i = 0; i < (int)pContext->nb_streams; i++)
-    {
-        AVStream* pStream = pContext->streams[i];
-        if (!pStream)
-            continue;
-        AVCodecContext* pCodec = pContext->streams[i]->codec;
-        if (!pCodec)
-            continue;
-
-        if (pCodec->codec_type == AVMEDIA_TYPE_VIDEO)
-        {
-            desc += QString(tr("Video: %1x%2, ")).arg(pCodec->width).arg(pCodec->height);
-            if (pStream->avg_frame_rate.den)
-            {
-                float fps = float(pStream->avg_frame_rate.num)/pStream->avg_frame_rate.den;
-                desc += QString(tr("%1 fps, ")).arg(fps, 0, 'f', 2);
-            }
-        }
-        else if (pCodec->codec_type == AVMEDIA_TYPE_AUDIO)
-            desc += tr("Audio: ");
-        else
-            continue;
-        AVCodec* pDecoder = avcodec_find_decoder(pCodec->codec_id);
-        desc += pDecoder? pDecoder->name : "unknown";
-        desc += "\n";
-    }
-    AVDictionaryEntry* pComment = av_dict_get(pContext->metadata, "comment", NULL, 0);
-    if (pComment)
-        desc += QString("\n") + pComment->value;
-#if LIBAVFORMAT_VERSION_MAJOR < 54
-    av_close_input_file(pContext);
-#else
-    avformat_close_input(&pContext);
-#endif
-    return desc;
-}
-
-#else
-LibavIteraction::LibavIteraction() : QObject()
-{
-
-}
-
-void LibavIteraction::fillFormats(QComboBox * pFormats)
-{
-    Q_UNUSED(pFormats);
-}
-
-void LibavIteraction::fillCodecs(const QString & format, QComboBox * pVCodecs, QComboBox * pACodecs)
-{
-    Q_UNUSED(format);
-    Q_UNUSED(pVCodecs);
-    Q_UNUSED(pACodecs);
-}
-
-QString LibavIteraction::getExtension(const QString & format)
-{
-    Q_UNUSED(format);
-
-    return QString();
-}
-
-QString LibavIteraction::getFileInfo(const QString & filepath)
-{
-    Q_UNUSED(filepath);
-
-    return QString();
-}
-#endif
-
-LibavIteraction & LibavIteraction::instance()
-{
-    static LibavIteraction instance;
-    return instance;
-}