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Let the user choose which installed graphics card to use for

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decoding HW_DE_DEVICE_SET and/or encoding HW_EN_DEVICE_SET
Possible options are /dev/dri/renderD128 for the first,
/dev/dri/renderD129 for the second, and so on.
This commit is contained in:
eisneinechse
2018-09-02 18:46:04 -07:00
parent 384b6e0bc3
commit 314177bceb
2 changed files with 9 additions and 3 deletions
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8
src/FFmpegReader.cpp
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@@ -221,9 +221,15 @@ void FFmpegReader::Open()
#if defined(__linux__)
if (hw_de_on & hw_de_supported) {
// Open Hardware Acceleration
// Use the hw device given in the environment variable HW_DE_DEVICE_SET or the default if not set
char *dev_hw = getenv( "HW_DE_DEVICE_SET" );
// Check if it is there and writable
if( dev_hw != NULL && access( dev_hw, W_OK ) == -1 ) {
dev_hw = NULL; // use default
}
hw_device_ctx = NULL;
pCodecCtx->get_format = get_vaapi_format;
if (av_hwdevice_ctx_create(&hw_device_ctx, AV_HWDEVICE_TYPE_VAAPI, NULL, NULL, 0) >= 0) {
if (av_hwdevice_ctx_create(&hw_device_ctx, AV_HWDEVICE_TYPE_VAAPI, dev_hw, NULL, 0) >= 0) {
if (!(pCodecCtx->hw_device_ctx = av_buffer_ref(hw_device_ctx))) {
throw InvalidCodec("Hardware device reference create failed.", path);
}