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avcodec/nvenc: support external context in sw mode

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This commit is contained in:
Timo Rothenpieler 2017-05-07 13:35:25 +02:00
parent cc25a887c5
commit dad6f44bbd
1 changed files with 10 additions and 5 deletions
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15
libavcodec/nvenc.c
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@ -400,16 +400,21 @@ static av_cold int nvenc_setup_device(AVCodecContext *avctx)
return AVERROR_BUG;
}
if (avctx->pix_fmt == AV_PIX_FMT_CUDA) {
if (avctx->pix_fmt == AV_PIX_FMT_CUDA || avctx->hw_frames_ctx || avctx->hw_device_ctx) {
AVHWFramesContext *frames_ctx;
AVHWDeviceContext *hwdev_ctx;
AVCUDADeviceContext *device_hwctx;
int ret;
if (!avctx->hw_frames_ctx)
if (avctx->hw_frames_ctx) {
frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
device_hwctx = frames_ctx->device_ctx->hwctx;
} else if (avctx->hw_device_ctx) {
hwdev_ctx = (AVHWDeviceContext*)avctx->hw_device_ctx->data;
device_hwctx = hwdev_ctx->hwctx;
} else {
return AVERROR(EINVAL);
frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
device_hwctx = frames_ctx->device_ctx->hwctx;
}
ctx->cu_context = device_hwctx->cuda_ctx;