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Add support for libavcodec 58/FFmpeg 4.0

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This commit is contained in:
trav90 2018-04-28 14:00:09 -05:00 • committed by Roy Tam
commit d87cc84005
3 changed files with 20 additions and 5 deletions
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6
dom/media/platforms/ffmpeg/FFmpegDataDecoder.cpp
View file

@ -69,15 +69,21 @@ FFmpegDataDecoder<LIBAV_VER>::InitDecoder()
mCodecContext->extradata_size = mExtraData->Length();
// FFmpeg may use SIMD instructions to access the data which reads the
// data in 32 bytes block. Must ensure we have enough data to read.
#if LIBAVCODEC_VERSION_MAJOR >= 58
mExtraData->AppendElements(AV_INPUT_BUFFER_PADDING_SIZE);
#else
mExtraData->AppendElements(FF_INPUT_BUFFER_PADDING_SIZE);
#endif
mCodecContext->extradata = mExtraData->Elements();
} else {
mCodecContext->extradata_size = 0;
}
#if LIBAVCODEC_VERSION_MAJOR < 57
if (codec->capabilities & CODEC_CAP_DR1) {
mCodecContext->flags |= CODEC_FLAG_EMU_EDGE;
}
#endif
if (mLib->avcodec_open2(mCodecContext, codec, nullptr) < 0) {
NS_WARNING("Couldn't initialise ffmpeg decoder");

15
dom/media/platforms/ffmpeg/FFmpegLibWrapper.cpp
View file

@ -69,12 +69,14 @@ FFmpegLibWrapper::Link()
AV_FUNC_55 = 1 << 2,
AV_FUNC_56 = 1 << 3,
AV_FUNC_57 = 1 << 4,
AV_FUNC_58 = 1 << 5,
AV_FUNC_AVUTIL_53 = AV_FUNC_53 | AV_FUNC_AVUTIL_MASK,
AV_FUNC_AVUTIL_54 = AV_FUNC_54 | AV_FUNC_AVUTIL_MASK,
AV_FUNC_AVUTIL_55 = AV_FUNC_55 | AV_FUNC_AVUTIL_MASK,
AV_FUNC_AVUTIL_56 = AV_FUNC_56 | AV_FUNC_AVUTIL_MASK,
AV_FUNC_AVUTIL_57 = AV_FUNC_57 | AV_FUNC_AVUTIL_MASK,
AV_FUNC_AVCODEC_ALL = AV_FUNC_53 | AV_FUNC_54 | AV_FUNC_55 | AV_FUNC_56 | AV_FUNC_57,
AV_FUNC_AVUTIL_58 = AV_FUNC_58 | AV_FUNC_AVUTIL_MASK,
AV_FUNC_AVCODEC_ALL = AV_FUNC_53 | AV_FUNC_54 | AV_FUNC_55 | AV_FUNC_56 | AV_FUNC_57 | AV_FUNC_58,
AV_FUNC_AVUTIL_ALL = AV_FUNC_AVCODEC_ALL | AV_FUNC_AVUTIL_MASK
};
@ -94,6 +96,9 @@ FFmpegLibWrapper::Link()
case 57:
version = AV_FUNC_57;
break;
case 58:
version = AV_FUNC_58;
break;
default:
FFMPEG_LOG("Unknown avcodec version");
Unlink();
@ -142,9 +147,9 @@ FFmpegLibWrapper::Link()
AV_FUNC(av_log_set_level, AV_FUNC_AVUTIL_ALL)
AV_FUNC(av_malloc, AV_FUNC_AVUTIL_ALL)
AV_FUNC(av_freep, AV_FUNC_AVUTIL_ALL)
AV_FUNC(av_frame_alloc, (AV_FUNC_AVUTIL_55 | AV_FUNC_AVUTIL_56 | AV_FUNC_AVUTIL_57))
AV_FUNC(av_frame_free, (AV_FUNC_AVUTIL_55 | AV_FUNC_AVUTIL_56 | AV_FUNC_AVUTIL_57))
AV_FUNC(av_frame_unref, (AV_FUNC_AVUTIL_55 | AV_FUNC_AVUTIL_56 | AV_FUNC_AVUTIL_57))
AV_FUNC(av_frame_alloc, (AV_FUNC_AVUTIL_55 | AV_FUNC_AVUTIL_56 | AV_FUNC_AVUTIL_57 | AV_FUNC_AVUTIL_58))
AV_FUNC(av_frame_free, (AV_FUNC_AVUTIL_55 | AV_FUNC_AVUTIL_56 | AV_FUNC_AVUTIL_57 | AV_FUNC_AVUTIL_58))
AV_FUNC(av_frame_unref, (AV_FUNC_AVUTIL_55 | AV_FUNC_AVUTIL_56 | AV_FUNC_AVUTIL_57 | AV_FUNC_AVUTIL_58))
AV_FUNC_OPTION(av_frame_get_colorspace, AV_FUNC_AVUTIL_ALL)
#undef AV_FUNC
#undef AV_FUNC_OPTION
@ -175,4 +180,4 @@ FFmpegLibWrapper::Unlink()
PodZero(this);
}
} // namespace mozilla
} // namespace mozilla

4
dom/media/platforms/ffmpeg/FFmpegRuntimeLinker.cpp
View file

@ -27,12 +27,15 @@ static FFmpegLibWrapper sLibAV;
static const char* sLibs[] = {
#if defined(XP_DARWIN)
"libavcodec.58.dylib",
"libavcodec.57.dylib",
"libavcodec.56.dylib",
"libavcodec.55.dylib",
"libavcodec.54.dylib",
"libavcodec.53.dylib",
#else
"libavcodec.so.58",
"libavcodec-ffmpeg.so.58",
"libavcodec-ffmpeg.so.57",
"libavcodec-ffmpeg.so.56",
"libavcodec.so.57",
@ -134,6 +137,7 @@ FFmpegRuntimeLinker::CreateDecoderModule()
case 55:
case 56: module = FFmpegDecoderModule<55>::Create(&sLibAV); break;
case 57: module = FFmpegDecoderModule<57>::Create(&sLibAV); break;
case 58: module = FFmpegDecoderModule<58>::Create(&sLibAV); break;
default: module = nullptr;
}
return module.forget();