mirror of
https://github.com/obsproject/obs-studio.git
synced 2024-09-19 20:32:15 +02:00
152 lines
3.7 KiB
C++
152 lines
3.7 KiB
C++
/******************************************************************************
|
|
Copyright (C) 2023 by Dennis Sädtler <dennis@obsproject.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, either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
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, see <http://www.gnu.org/licenses/>.
|
|
******************************************************************************/
|
|
|
|
#pragma once
|
|
|
|
#include <qmetatype.h>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
extern "C" {
|
|
#include <libavcodec/avcodec.h>
|
|
#include <libavdevice/avdevice.h>
|
|
}
|
|
|
|
enum FFmpegCodecType { AUDIO, VIDEO, UNKNOWN };
|
|
|
|
/* This needs to handle a few special cases due to how the format is used in the UI:
|
|
* - strequal(nullptr, "") must be true
|
|
* - strequal("", nullptr) must be true
|
|
* - strequal(nullptr, nullptr) must be true
|
|
*/
|
|
static bool strequal(const char *a, const char *b)
|
|
{
|
|
if (!a && !b)
|
|
return true;
|
|
if (!a && *b == 0)
|
|
return true;
|
|
if (!b && *a == 0)
|
|
return true;
|
|
if (!a || !b)
|
|
return false;
|
|
|
|
return strcmp(a, b) == 0;
|
|
}
|
|
|
|
struct FFmpegCodec;
|
|
|
|
struct FFmpegFormat {
|
|
const char *name;
|
|
const char *long_name;
|
|
const char *mime_type;
|
|
const char *extensions;
|
|
AVCodecID audio_codec;
|
|
AVCodecID video_codec;
|
|
const AVCodecTag *const *codec_tags;
|
|
|
|
FFmpegFormat() = default;
|
|
|
|
FFmpegFormat(const char *name, const char *mime_type)
|
|
: name(name),
|
|
long_name(nullptr),
|
|
mime_type(mime_type),
|
|
extensions(nullptr),
|
|
audio_codec(AV_CODEC_ID_NONE),
|
|
video_codec(AV_CODEC_ID_NONE),
|
|
codec_tags(nullptr)
|
|
{
|
|
}
|
|
|
|
FFmpegFormat(const AVOutputFormat *av_format)
|
|
: name(av_format->name),
|
|
long_name(av_format->long_name),
|
|
mime_type(av_format->mime_type),
|
|
extensions(av_format->extensions),
|
|
audio_codec(av_format->audio_codec),
|
|
video_codec(av_format->video_codec),
|
|
codec_tags(av_format->codec_tag)
|
|
{
|
|
}
|
|
|
|
FFmpegCodec GetDefaultEncoder(FFmpegCodecType codec_type) const;
|
|
|
|
bool HasAudio() const { return audio_codec != AV_CODEC_ID_NONE; }
|
|
bool HasVideo() const { return video_codec != AV_CODEC_ID_NONE; }
|
|
|
|
bool operator==(const FFmpegFormat &format) const
|
|
{
|
|
if (!strequal(name, format.name))
|
|
return false;
|
|
|
|
return strequal(mime_type, format.mime_type);
|
|
}
|
|
};
|
|
Q_DECLARE_METATYPE(FFmpegFormat)
|
|
|
|
struct FFmpegCodec {
|
|
const char *name;
|
|
const char *long_name;
|
|
int id;
|
|
|
|
FFmpegCodecType type;
|
|
|
|
FFmpegCodec() = default;
|
|
|
|
FFmpegCodec(const char *name, int id, FFmpegCodecType type = UNKNOWN)
|
|
: name(name),
|
|
long_name(nullptr),
|
|
id(id),
|
|
type(type)
|
|
{
|
|
}
|
|
|
|
FFmpegCodec(const AVCodec *codec)
|
|
: name(codec->name),
|
|
long_name(codec->long_name),
|
|
id(codec->id)
|
|
{
|
|
switch (codec->type) {
|
|
case AVMEDIA_TYPE_AUDIO:
|
|
type = AUDIO;
|
|
break;
|
|
case AVMEDIA_TYPE_VIDEO:
|
|
type = VIDEO;
|
|
break;
|
|
default:
|
|
type = UNKNOWN;
|
|
}
|
|
}
|
|
|
|
bool operator==(const FFmpegCodec &codec) const
|
|
{
|
|
if (id != codec.id)
|
|
return false;
|
|
|
|
return strequal(name, codec.name);
|
|
}
|
|
};
|
|
Q_DECLARE_METATYPE(FFmpegCodec)
|
|
|
|
std::vector<FFmpegFormat> GetSupportedFormats();
|
|
std::vector<FFmpegCodec> GetFormatCodecs(const FFmpegFormat &format,
|
|
bool ignore_compatibility);
|
|
|
|
bool FFCodecAndFormatCompatible(const char *codec, const char *format);
|
|
bool IsBuiltinCodec(const char *codec);
|
|
bool ContainerSupportsCodec(const std::string &container,
|
|
const std::string &codec);
|