author | sheepluva |
Sat, 03 Dec 2016 09:09:16 +0100 | |
changeset 12103 | 966a9739812f |
parent 11857 | d7227dc3b397 |
child 12244 | 8db93a3a29dc |
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 |
|
10108
c68cf030eded
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" |
23 |
{ |
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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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#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(54, 8, 0) |
ac423fd2b9a3
libavinteraction: Adjust version guard for av_codec_is_encoder()
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#define av_codec_is_encoder(x) x->encode |
ac423fd2b9a3
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parents:
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#endif |
ac423fd2b9a3
libavinteraction: Adjust version guard for av_codec_is_encoder()
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parents:
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Update libav API, keeping forward and backward compatibility
Vittorio Giovara <vittorio.giovara@gmail.com>
parents:
11046
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#if LIBAVCODEC_VERSION_MAJOR < 55 |
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Update libav API, keeping forward and backward compatibility
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#define AVCodecID CodecID |
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#endif |
9fcdf0969d53
Update libav API, keeping forward and backward compatibility
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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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diff
changeset
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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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parents:
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#endif |
9fcdf0969d53
Update libav API, keeping forward and backward compatibility
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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:
11046
diff
changeset
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#if LIBAVUTIL_VERSION_MAJOR < 54 |
9fcdf0969d53
Update libav API, keeping forward and backward compatibility
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#define AVPixelFormat PixelFormat |
9fcdf0969d53
Update libav API, keeping forward and backward compatibility
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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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Update libav API, keeping forward and backward compatibility
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parents:
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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 isRecomended; |
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}; |
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struct Format |
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{ |
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QString shortName; |
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QString longName; |
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bool isRecomended; |
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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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11298
9fcdf0969d53
Update libav API, keeping forward and backward compatibility
Vittorio Giovara <vittorio.giovara@gmail.com>
parents:
11046
diff
changeset
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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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// 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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// 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++) |
11298
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Update libav API, keeping forward and backward compatibility
Vittorio Giovara <vittorio.giovara@gmail.com>
parents:
11046
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changeset
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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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Specify the enum type for Pixel and Sample formats
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changeset
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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) |
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{ |
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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.isRecomended = 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.isRecomended = true; |
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} |
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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.isRecomended = true; |
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} |
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else if (strcmp(pCodec->name, "libmp3lame") == 0) |
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{ |
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codec.longName = "MP3 (MPEG audio layer 3) (LAME)"; |
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codec.isRecomended = true; |
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} |
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else |
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codec.longName = pCodec->long_name; |
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if (strcmp(pCodec->name, "mpeg4") == 0 || strcmp(pCodec->name, "ac3_fixed") == 0) |
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codec.isRecomended = true; |
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// FIXME: remove next line |
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//codec.longName += QString(" (%1)").arg(codec.shortName); |
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} |
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// get list of all formats |
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AVOutputFormat* pFormat = NULL; |
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while ((pFormat = av_oformat_next(pFormat))) |
7897 | 183 |
{ |
184 |
if (!pFormat->extensions) |
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185 |
continue; |
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186 |
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187 |
// skip some strange formats to not confuse users |
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188 |
if (strstr(pFormat->long_name, "raw")) |
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continue; |
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190 |
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191 |
Format format; |
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192 |
bool hasVideoCodec = false; |
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193 |
for (QList<Codec>::iterator codec = codecs.begin(); codec != codecs.end(); ++codec) |
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194 |
{ |
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195 |
if (!FormatQueryCodec(pFormat, codec->id)) |
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196 |
continue; |
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197 |
format.codecs.push_back(&*codec); |
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198 |
if (!codec->isAudio) |
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199 |
hasVideoCodec = true; |
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200 |
} |
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201 |
if (!hasVideoCodec) |
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202 |
continue; |
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203 |
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204 |
QString ext(pFormat->extensions); |
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205 |
ext.truncate(strcspn(pFormat->extensions, ",")); |
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format.extension = ext; |
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207 |
format.shortName = pFormat->name; |
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208 |
format.longName = QString("%1 (*.%2)").arg(pFormat->long_name).arg(ext); |
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209 |
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210 |
// FIXME: remove next line |
|
211 |
//format.longName += QString(" (%1)").arg(format.shortName); |
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212 |
||
213 |
format.isRecomended = strcmp(pFormat->name, "mp4") == 0 || strcmp(pFormat->name, "avi") == 0; |
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214 |
||
215 |
formats[pFormat->name] = format; |
|
216 |
} |
|
217 |
} |
|
218 |
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219 |
void LibavInteraction::fillFormats(QComboBox * pFormats) |
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220 |
{ |
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221 |
// first insert recomended formats |
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222 |
foreach(const Format & format, formats) |
|
223 |
if (format.isRecomended) |
|
224 |
pFormats->addItem(format.longName, format.shortName); |
|
225 |
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226 |
// remember where to place separator between recomended and other formats |
|
227 |
int sep = pFormats->count(); |
|
228 |
||
229 |
// insert remaining formats |
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230 |
foreach(const Format & format, formats) |
|
231 |
if (!format.isRecomended) |
|
232 |
pFormats->addItem(format.longName, format.shortName); |
|
233 |
||
234 |
// insert separator if necessary |
|
235 |
if (sep != 0 && sep != pFormats->count()) |
|
236 |
pFormats->insertSeparator(sep); |
|
237 |
} |
|
238 |
||
239 |
void LibavInteraction::fillCodecs(const QString & fmt, QComboBox * pVCodecs, QComboBox * pACodecs) |
|
240 |
{ |
|
241 |
Format & format = formats[fmt]; |
|
242 |
||
243 |
// first insert recomended codecs |
|
244 |
foreach(Codec * codec, format.codecs) |
|
245 |
{ |
|
246 |
if (codec->isRecomended) |
|
247 |
{ |
|
248 |
if (codec->isAudio) |
|
249 |
pACodecs->addItem(codec->longName, codec->shortName); |
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250 |
else |
|
251 |
pVCodecs->addItem(codec->longName, codec->shortName); |
|
252 |
} |
|
253 |
} |
|
254 |
||
255 |
// remember where to place separators between recomended and other codecs |
|
256 |
int vsep = pVCodecs->count(); |
|
257 |
int asep = pACodecs->count(); |
|
258 |
||
259 |
// insert remaining codecs |
|
260 |
foreach(Codec * codec, format.codecs) |
|
261 |
{ |
|
262 |
if (!codec->isRecomended) |
|
263 |
{ |
|
264 |
if (codec->isAudio) |
|
265 |
pACodecs->addItem(codec->longName, codec->shortName); |
|
266 |
else |
|
267 |
pVCodecs->addItem(codec->longName, codec->shortName); |
|
268 |
} |
|
269 |
} |
|
270 |
||
271 |
// insert separators if necessary |
|
272 |
if (vsep != 0 && vsep != pVCodecs->count()) |
|
273 |
pVCodecs->insertSeparator(vsep); |
|
274 |
if (asep != 0 && asep != pACodecs->count()) |
|
275 |
pACodecs->insertSeparator(asep); |
|
276 |
} |
|
277 |
||
278 |
QString LibavInteraction::getExtension(const QString & format) |
|
279 |
{ |
|
280 |
return formats[format].extension; |
|
281 |
} |
|
282 |
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283 |
// get information abaout file (duration, resolution etc) in multiline string |
|
284 |
QString LibavInteraction::getFileInfo(const QString & filepath) |
|
285 |
{ |
|
286 |
AVFormatContext* pContext = NULL; |
|
287 |
QByteArray utf8path = filepath.toUtf8(); |
|
288 |
if (avformat_open_input(&pContext, utf8path.data(), NULL, NULL) < 0) |
|
289 |
return ""; |
|
290 |
if (avformat_find_stream_info(pContext, NULL) < 0) |
|
291 |
return ""; |
|
292 |
||
293 |
int s = float(pContext->duration)/AV_TIME_BASE; |
|
9107 | 294 |
QString desc = tr("Duration: %1m %2s").arg(s/60).arg(s%60) + "\n"; |
7897 | 295 |
for (int i = 0; i < (int)pContext->nb_streams; i++) |
296 |
{ |
|
297 |
AVStream* pStream = pContext->streams[i]; |
|
298 |
if (!pStream) |
|
299 |
continue; |
|
300 |
AVCodecContext* pCodec = pContext->streams[i]->codec; |
|
301 |
if (!pCodec) |
|
302 |
continue; |
|
303 |
||
304 |
if (pCodec->codec_type == AVMEDIA_TYPE_VIDEO) |
|
305 |
{ |
|
9107 | 306 |
desc += QString(tr("Video: %1x%2")).arg(pCodec->width).arg(pCodec->height) + ", "; |
7897 | 307 |
if (pStream->avg_frame_rate.den) |
308 |
{ |
|
309 |
float fps = float(pStream->avg_frame_rate.num)/pStream->avg_frame_rate.den; |
|
9107 | 310 |
desc += QString(tr("%1 fps")).arg(fps, 0, 'f', 2) + ", "; |
7897 | 311 |
} |
312 |
} |
|
313 |
else if (pCodec->codec_type == AVMEDIA_TYPE_AUDIO) |
|
314 |
desc += tr("Audio: "); |
|
315 |
else |
|
316 |
continue; |
|
317 |
AVCodec* pDecoder = avcodec_find_decoder(pCodec->codec_id); |
|
8362 | 318 |
desc += pDecoder? pDecoder->name : tr("unknown"); |
7897 | 319 |
desc += "\n"; |
320 |
} |
|
321 |
AVDictionaryEntry* pComment = av_dict_get(pContext->metadata, "comment", NULL, 0); |
|
322 |
if (pComment) |
|
323 |
desc += QString("\n") + pComment->value; |
|
324 |
avformat_close_input(&pContext); |
|
325 |
return desc; |
|
326 |
} |
|
327 |
||
328 |
#else |
|
329 |
LibavInteraction::LibavInteraction() : QObject() |
|
330 |
{ |
|
331 |
||
332 |
} |
|
333 |
||
334 |
void LibavInteraction::fillFormats(QComboBox * pFormats) |
|
335 |
{ |
|
336 |
Q_UNUSED(pFormats); |
|
337 |
} |
|
338 |
||
339 |
void LibavInteraction::fillCodecs(const QString & format, QComboBox * pVCodecs, QComboBox * pACodecs) |
|
340 |
{ |
|
341 |
Q_UNUSED(format); |
|
342 |
Q_UNUSED(pVCodecs); |
|
343 |
Q_UNUSED(pACodecs); |
|
344 |
} |
|
345 |
||
346 |
QString LibavInteraction::getExtension(const QString & format) |
|
347 |
{ |
|
348 |
Q_UNUSED(format); |
|
349 |
||
350 |
return QString(); |
|
351 |
} |
|
352 |
||
353 |
QString LibavInteraction::getFileInfo(const QString & filepath) |
|
354 |
{ |
|
355 |
Q_UNUSED(filepath); |
|
356 |
||
357 |
return QString(); |
|
358 |
} |
|
359 |
#endif |
|
360 |
||
361 |
LibavInteraction & LibavInteraction::instance() |
|
362 |
{ |
|
363 |
static LibavInteraction instance; |
|
364 |
return instance; |
|
365 |
} |