author | Wuzzy <Wuzzy2@mail.ru> |
Tue, 28 May 2019 00:48:17 +0200 | |
changeset 15073 | 6f51c75994a4 |
parent 14636 | 92ebe33c5eb6 |
permissions | -rw-r--r-- |
7897 | 1 |
/* |
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* Hedgewars, a free turn based strategy game |
|
11046 | 3 |
* Copyright (c) 2004-2015 Andrey Korotaev <unC0Rr@gmail.com> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; version 2 of the License |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
|
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update FSF address. note: two sdl include files (by Sam Lantinga) still have the old FSF address in their copyright - but I ain't gonna touch their copyright headers
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "LibavInteraction.h" |
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#ifdef VIDEOREC |
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extern "C" |
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{ |
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#include "libavcodec/avcodec.h" |
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#include "libavformat/avformat.h" |
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Update libav API, keeping forward and backward compatibility
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parents:
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#include "libavutil/avutil.h" |
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} |
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#include <QVector> |
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#include <QList> |
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#include <QComboBox> |
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#include "HWApplication.h" |
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parents:
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// compatibility section |
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libavinteraction: Adjust version guard for av_codec_is_encoder()
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#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(54, 8, 0) |
ac423fd2b9a3
libavinteraction: Adjust version guard for av_codec_is_encoder()
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parents:
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#define av_codec_is_encoder(x) x->encode |
ac423fd2b9a3
libavinteraction: Adjust version guard for av_codec_is_encoder()
Vittorio Giovara <vittorio.giovara@gmail.com>
parents:
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#endif |
ac423fd2b9a3
libavinteraction: Adjust version guard for av_codec_is_encoder()
Vittorio Giovara <vittorio.giovara@gmail.com>
parents:
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Vittorio Giovara <vittorio.giovara@gmail.com>
parents:
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#if LIBAVCODEC_VERSION_MAJOR < 55 |
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#define AVCodecID CodecID |
9fcdf0969d53
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#endif |
9fcdf0969d53
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parents:
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9fcdf0969d53
Update libav API, keeping forward and backward compatibility
Vittorio Giovara <vittorio.giovara@gmail.com>
parents:
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#if LIBAVFORMAT_VERSION_MAJOR < 54 |
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#define avformat_find_stream_info(x, y) av_find_stream_info(x) |
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#define avformat_close_input(x) av_close_input_file(*(x)) |
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#endif |
9fcdf0969d53
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parents:
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9fcdf0969d53
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#if LIBAVUTIL_VERSION_MAJOR < 54 |
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#define AVPixelFormat PixelFormat |
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#define AV_PIX_FMT_YUV420P PIX_FMT_YUV420P |
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#endif |
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struct Codec |
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{ |
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AVCodecID id; |
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bool isAudio; |
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QString shortName; // used for identification |
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QString longName; // used for displaying to user |
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bool isRecommended; |
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}; |
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63 |
struct Format |
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{ |
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QString shortName; |
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QString longName; |
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parents:
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bool isRecommended; |
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QString extension; |
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QVector<Codec*> codecs; |
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}; |
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QList<Codec> codecs; |
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QMap<QString,Format> formats; |
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// test if given format supports given codec |
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Update libav API, keeping forward and backward compatibility
Vittorio Giovara <vittorio.giovara@gmail.com>
parents:
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bool FormatQueryCodec(AVOutputFormat *ofmt, enum AVCodecID codec_id) |
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{ |
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#if LIBAVFORMAT_VERSION_MAJOR >= 54 |
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return avformat_query_codec(ofmt, codec_id, FF_COMPLIANCE_NORMAL) == 1; |
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#else |
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if (ofmt->codec_tag) |
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return !!av_codec_get_tag(ofmt->codec_tag, codec_id); |
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return codec_id == ofmt->video_codec || codec_id == ofmt->audio_codec; |
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#endif |
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} |
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LibavInteraction::LibavInteraction() : QObject() |
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{ |
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// initialize libav and register all codecs and formats |
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av_register_all(); |
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// get list of all codecs |
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AVCodec* pCodec = NULL; |
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while ((pCodec = av_codec_next(pCodec))) |
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{ |
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if (!av_codec_is_encoder(pCodec)) |
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continue; |
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if (pCodec->type != AVMEDIA_TYPE_VIDEO && pCodec->type != AVMEDIA_TYPE_AUDIO) |
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continue; |
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101 |
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// this encoders seems to be buggy |
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if (strcmp(pCodec->name, "rv10") == 0 || strcmp(pCodec->name, "rv20") == 0) |
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continue; |
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// this encoder is experimental (as of Jan 17, 2019) |
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if (strcmp(pCodec->name, "libaom-av1") == 0) |
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continue; |
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// doesn't support stereo sound |
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if (strcmp(pCodec->name, "real_144") == 0) |
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continue; |
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if (!pCodec->long_name || strlen(pCodec->long_name) == 0) |
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continue; |
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if (pCodec->type == AVMEDIA_TYPE_VIDEO) |
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{ |
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if (pCodec->supported_framerates != NULL) |
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continue; |
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// check if codec supports yuv 4:2:0 format |
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if (!pCodec->pix_fmts) |
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continue; |
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bool yuv420Supported = false; |
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for (const enum AVPixelFormat* pfmt = pCodec->pix_fmts; *pfmt != -1; pfmt++) |
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if (*pfmt == AV_PIX_FMT_YUV420P) |
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{ |
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yuv420Supported = true; |
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break; |
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} |
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if (!yuv420Supported) |
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continue; |
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} |
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if (pCodec->type == AVMEDIA_TYPE_AUDIO) |
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{ |
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// check if codec supports signed 16-bit format |
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if (!pCodec->sample_fmts) |
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continue; |
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bool s16Supported = false; |
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for (const enum AVSampleFormat* pfmt = pCodec->sample_fmts; *pfmt != -1; pfmt++) |
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if (*pfmt == AV_SAMPLE_FMT_S16) |
143 |
{ |
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s16Supported = true; |
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break; |
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} |
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if (!s16Supported) |
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continue; |
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} |
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// add codec to list of codecs |
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codecs.push_back(Codec()); |
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Codec & codec = codecs.back(); |
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codec.id = pCodec->id; |
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codec.isAudio = pCodec->type == AVMEDIA_TYPE_AUDIO; |
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codec.shortName = pCodec->name; |
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codec.longName = pCodec->long_name; |
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codec.isRecommended = false; |
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if (strcmp(pCodec->name, "libx264") == 0) |
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{ |
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codec.longName = "H.264/MPEG-4 Part 10 AVC (x264)"; |
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codec.isRecommended = true; |
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} |
164 |
else if (strcmp(pCodec->name, "libxvid") == 0) |
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{ |
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codec.longName = "MPEG-4 Part 2 (Xvid)"; |
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codec.isRecommended = true; |
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} |
169 |
else if (strcmp(pCodec->name, "libmp3lame") == 0) |
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170 |
{ |
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codec.longName = "MP3 (MPEG audio layer 3) (LAME)"; |
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codec.isRecommended = true; |
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} |
174 |
else |
|
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codec.longName = pCodec->long_name; |
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176 |
||
177 |
if (strcmp(pCodec->name, "mpeg4") == 0 || strcmp(pCodec->name, "ac3_fixed") == 0) |
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codec.isRecommended = true; |
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} |
180 |
||
181 |
// get list of all formats |
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182 |
AVOutputFormat* pFormat = NULL; |
|
8065 | 183 |
while ((pFormat = av_oformat_next(pFormat))) |
7897 | 184 |
{ |
185 |
if (!pFormat->extensions) |
|
186 |
continue; |
|
187 |
||
188 |
// skip some strange formats to not confuse users |
|
189 |
if (strstr(pFormat->long_name, "raw")) |
|
190 |
continue; |
|
191 |
||
192 |
Format format; |
|
193 |
bool hasVideoCodec = false; |
|
194 |
for (QList<Codec>::iterator codec = codecs.begin(); codec != codecs.end(); ++codec) |
|
195 |
{ |
|
196 |
if (!FormatQueryCodec(pFormat, codec->id)) |
|
197 |
continue; |
|
198 |
format.codecs.push_back(&*codec); |
|
199 |
if (!codec->isAudio) |
|
200 |
hasVideoCodec = true; |
|
201 |
} |
|
202 |
if (!hasVideoCodec) |
|
203 |
continue; |
|
204 |
||
205 |
QString ext(pFormat->extensions); |
|
206 |
ext.truncate(strcspn(pFormat->extensions, ",")); |
|
207 |
format.extension = ext; |
|
208 |
format.shortName = pFormat->name; |
|
209 |
format.longName = QString("%1 (*.%2)").arg(pFormat->long_name).arg(ext); |
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210 |
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211 |
format.isRecommended = strcmp(pFormat->name, "mp4") == 0 || strcmp(pFormat->name, "avi") == 0; |
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|
213 |
formats[pFormat->name] = format; |
|
214 |
} |
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215 |
} |
|
216 |
||
217 |
void LibavInteraction::fillFormats(QComboBox * pFormats) |
|
218 |
{ |
|
219 |
// first insert recomended formats |
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220 |
foreach(const Format & format, formats) |
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221 |
if (format.isRecommended) |
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pFormats->addItem(format.longName, format.shortName); |
223 |
||
224 |
// remember where to place separator between recomended and other formats |
|
225 |
int sep = pFormats->count(); |
|
226 |
||
227 |
// insert remaining formats |
|
228 |
foreach(const Format & format, formats) |
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229 |
if (!format.isRecommended) |
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pFormats->addItem(format.longName, format.shortName); |
231 |
||
232 |
// insert separator if necessary |
|
233 |
if (sep != 0 && sep != pFormats->count()) |
|
234 |
pFormats->insertSeparator(sep); |
|
235 |
} |
|
236 |
||
237 |
void LibavInteraction::fillCodecs(const QString & fmt, QComboBox * pVCodecs, QComboBox * pACodecs) |
|
238 |
{ |
|
239 |
Format & format = formats[fmt]; |
|
240 |
||
241 |
// first insert recomended codecs |
|
242 |
foreach(Codec * codec, format.codecs) |
|
243 |
{ |
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parents:
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changeset
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244 |
if (codec->isRecommended) |
7897 | 245 |
{ |
246 |
if (codec->isAudio) |
|
247 |
pACodecs->addItem(codec->longName, codec->shortName); |
|
248 |
else |
|
249 |
pVCodecs->addItem(codec->longName, codec->shortName); |
|
250 |
} |
|
251 |
} |
|
252 |
||
253 |
// remember where to place separators between recomended and other codecs |
|
254 |
int vsep = pVCodecs->count(); |
|
255 |
int asep = pACodecs->count(); |
|
256 |
||
257 |
// insert remaining codecs |
|
258 |
foreach(Codec * codec, format.codecs) |
|
259 |
{ |
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diff
changeset
|
260 |
if (!codec->isRecommended) |
7897 | 261 |
{ |
262 |
if (codec->isAudio) |
|
263 |
pACodecs->addItem(codec->longName, codec->shortName); |
|
264 |
else |
|
265 |
pVCodecs->addItem(codec->longName, codec->shortName); |
|
266 |
} |
|
267 |
} |
|
268 |
||
269 |
// insert separators if necessary |
|
270 |
if (vsep != 0 && vsep != pVCodecs->count()) |
|
271 |
pVCodecs->insertSeparator(vsep); |
|
272 |
if (asep != 0 && asep != pACodecs->count()) |
|
273 |
pACodecs->insertSeparator(asep); |
|
274 |
} |
|
275 |
||
276 |
QString LibavInteraction::getExtension(const QString & format) |
|
277 |
{ |
|
278 |
return formats[format].extension; |
|
279 |
} |
|
280 |
||
281 |
// get information abaout file (duration, resolution etc) in multiline string |
|
282 |
QString LibavInteraction::getFileInfo(const QString & filepath) |
|
283 |
{ |
|
284 |
AVFormatContext* pContext = NULL; |
|
285 |
QByteArray utf8path = filepath.toUtf8(); |
|
286 |
if (avformat_open_input(&pContext, utf8path.data(), NULL, NULL) < 0) |
|
287 |
return ""; |
|
288 |
if (avformat_find_stream_info(pContext, NULL) < 0) |
|
289 |
return ""; |
|
290 |
||
291 |
int s = float(pContext->duration)/AV_TIME_BASE; |
|
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292 |
//: Duration in minutes and seconds (SI units) |
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|
293 |
QString desc = tr("Duration: %1min %2s").arg(s/60).arg(s%60) + "\n"; |
7897 | 294 |
for (int i = 0; i < (int)pContext->nb_streams; i++) |
295 |
{ |
|
296 |
AVStream* pStream = pContext->streams[i]; |
|
297 |
if (!pStream) |
|
298 |
continue; |
|
299 |
AVCodecContext* pCodec = pContext->streams[i]->codec; |
|
300 |
if (!pCodec) |
|
301 |
continue; |
|
302 |
||
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304 |
AVCodec* pDecoder = avcodec_find_decoder(pCodec->codec_id); |
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QString decoderName = pDecoder ? pDecoder->name : tr("unknown"); |
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if (pCodec->codec_type == AVMEDIA_TYPE_VIDEO) |
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{ |
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if (pStream->avg_frame_rate.den) |
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{ |
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float fps = float(pStream->avg_frame_rate.num)/pStream->avg_frame_rate.den; |
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//: Video metadata. %1 = video width, %2 = video height, %3 = frames per second = %4 = decoder name |
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desc += QString(tr("Video: %1x%2, %3 FPS, %4")).arg(pCodec->width).arg(pCodec->height).arg(QLocale().toString(fps, 'f', 2)).arg(decoderName); |
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} |
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else |
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{ |
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//: Video metadata. %1 = video width, %2 = video height, %3 = decoder name |
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desc += QString(tr("Video: %1x%2, %3")).arg(pCodec->width).arg(pCodec->height).arg(decoderName); |
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} |
319 |
} |
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else if (pCodec->codec_type == AVMEDIA_TYPE_AUDIO) |
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{ |
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desc += tr("Audio: "); |
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desc += decoderName; |
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} |
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else |
326 |
continue; |
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desc += "\n"; |
|
328 |
} |
|
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AVDictionaryEntry* pComment = av_dict_get(pContext->metadata, "comment", NULL, 0); |
|
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if (pComment) |
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{ |
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// Video comment. We expect a simple key value storage in a particular format |
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// and parse it here so the key names can be localized. |
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desc += QString("\n"); |
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QStringList strings = QString(pComment->value).split('\n'); |
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QString sPlayer, sTheme, sMap, sRecord; |
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for(int i=0; i < strings.count(); i++) |
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{ |
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QString s = strings.at(i); |
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// Original key names are in English, like: |
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// Key: Value |
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if (s.startsWith("Player: ")) |
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sPlayer = QString(s.mid(8)); |
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else if (s.startsWith("Theme: ")) |
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sTheme = QString(s.mid(7)); |
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else if (s.startsWith("Map: ")) |
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sMap = QString(s.mid(5)); |
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else if (s.startsWith("Record: ")) |
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sRecord = QString(s.mid(8)); |
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} |
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if(!sPlayer.isNull()) |
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desc += QString(tr("Player: %1")).arg(sPlayer) + "\n"; |
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if(!sTheme.isNull()) |
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desc += QString(tr("Theme: %1")).arg(sTheme) + "\n"; |
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if(!sMap.isNull()) |
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desc += QString(tr("Map: %1")).arg(sMap) + "\n"; |
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if(!sRecord.isNull()) |
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//: As in ‘recording’ |
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desc += QString(tr("Record: %1")).arg(sRecord); |
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360 |
} |
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avformat_close_input(&pContext); |
362 |
return desc; |
|
363 |
} |
|
364 |
||
365 |
#else |
|
366 |
LibavInteraction::LibavInteraction() : QObject() |
|
367 |
{ |
|
368 |
||
369 |
} |
|
370 |
||
371 |
void LibavInteraction::fillFormats(QComboBox * pFormats) |
|
372 |
{ |
|
373 |
Q_UNUSED(pFormats); |
|
374 |
} |
|
375 |
||
376 |
void LibavInteraction::fillCodecs(const QString & format, QComboBox * pVCodecs, QComboBox * pACodecs) |
|
377 |
{ |
|
378 |
Q_UNUSED(format); |
|
379 |
Q_UNUSED(pVCodecs); |
|
380 |
Q_UNUSED(pACodecs); |
|
381 |
} |
|
382 |
||
383 |
QString LibavInteraction::getExtension(const QString & format) |
|
384 |
{ |
|
385 |
Q_UNUSED(format); |
|
386 |
||
387 |
return QString(); |
|
388 |
} |
|
389 |
||
390 |
QString LibavInteraction::getFileInfo(const QString & filepath) |
|
391 |
{ |
|
392 |
Q_UNUSED(filepath); |
|
393 |
||
394 |
return QString(); |
|
395 |
} |
|
396 |
#endif |
|
397 |
||
398 |
LibavInteraction & LibavInteraction::instance() |
|
399 |
{ |
|
400 |
static LibavInteraction instance; |
|
401 |
return instance; |
|
402 |
} |