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qsv: Add ability to create a session from a device

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This commit is contained in:
Mark Thompson 2017-03-04 23:57:35 +00:00
parent 41dda86087
commit 4936a48b1e
4 changed files with 46 additions and 24 deletions
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49
libavcodec/qsv.c
View File

@ -537,27 +537,16 @@ static mfxStatus qsv_frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl)
return MFX_ERR_NONE;
}
int ff_qsv_init_session_hwcontext(AVCodecContext *avctx, mfxSession *psession,
QSVFramesContext *qsv_frames_ctx,
const char *load_plugins, int opaque)
int ff_qsv_init_session_device(AVCodecContext *avctx, mfxSession *psession,
AVBufferRef *device_ref, const char *load_plugins)
{
static const mfxHandleType handle_types[] = {
MFX_HANDLE_VA_DISPLAY,
MFX_HANDLE_D3D9_DEVICE_MANAGER,
MFX_HANDLE_D3D11_DEVICE,
};
mfxFrameAllocator frame_allocator = {
.pthis = qsv_frames_ctx,
.Alloc = qsv_frame_alloc,
.Lock = qsv_frame_lock,
.Unlock = qsv_frame_unlock,
.GetHDL = qsv_frame_get_hdl,
.Free = qsv_frame_free,
};
AVHWFramesContext *frames_ctx = (AVHWFramesContext*)qsv_frames_ctx->hw_frames_ctx->data;
AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
AVQSVDeviceContext *device_hwctx = frames_ctx->device_ctx->hwctx;
AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)device_ref->data;
AVQSVDeviceContext *device_hwctx = device_ctx->hwctx;
mfxSession parent_session = device_hwctx->session;
mfxSession session;
@ -607,6 +596,36 @@ int ff_qsv_init_session_hwcontext(AVCodecContext *avctx, mfxSession *psession,
return ret;
}
*psession = session;
return 0;
}
int ff_qsv_init_session_frames(AVCodecContext *avctx, mfxSession *psession,
QSVFramesContext *qsv_frames_ctx,
const char *load_plugins, int opaque)
{
mfxFrameAllocator frame_allocator = {
.pthis = qsv_frames_ctx,
.Alloc = qsv_frame_alloc,
.Lock = qsv_frame_lock,
.Unlock = qsv_frame_unlock,
.GetHDL = qsv_frame_get_hdl,
.Free = qsv_frame_free,
};
AVHWFramesContext *frames_ctx = (AVHWFramesContext*)qsv_frames_ctx->hw_frames_ctx->data;
AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
mfxSession session;
mfxStatus err;
int ret;
ret = ff_qsv_init_session_device(avctx, &session,
frames_ctx->device_ref, load_plugins);
if (ret < 0)
return ret;
if (!opaque) {
qsv_frames_ctx->logctx = avctx;

5
libavcodec/qsv_internal.h
View File

@ -87,7 +87,10 @@ int ff_qsv_map_pixfmt(enum AVPixelFormat format, uint32_t *fourcc);
int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session,
const char *load_plugins);
int ff_qsv_init_session_hwcontext(AVCodecContext *avctx, mfxSession *session,
int ff_qsv_init_session_device(AVCodecContext *avctx, mfxSession *psession,
AVBufferRef *device_ref, const char *load_plugins);
int ff_qsv_init_session_frames(AVCodecContext *avctx, mfxSession *session,
QSVFramesContext *qsv_frames_ctx,
const char *load_plugins, int opaque);

2
libavcodec/qsvdec.c
View File

@ -59,7 +59,7 @@ static int qsv_init_session(AVCodecContext *avctx, QSVContext *q, mfxSession ses
if (!q->frames_ctx.hw_frames_ctx)
return AVERROR(ENOMEM);
ret = ff_qsv_init_session_hwcontext(avctx, &q->internal_session,
ret = ff_qsv_init_session_frames(avctx, &q->internal_session,
&q->frames_ctx, q->load_plugins,
q->iopattern == MFX_IOPATTERN_OUT_OPAQUE_MEMORY);
if (ret < 0) {

2
libavcodec/qsvenc.c
View File

@ -684,7 +684,7 @@ static int qsvenc_init_session(AVCodecContext *avctx, QSVEncContext *q)
if (!q->frames_ctx.hw_frames_ctx)
return AVERROR(ENOMEM);
ret = ff_qsv_init_session_hwcontext(avctx, &q->internal_session,
ret = ff_qsv_init_session_frames(avctx, &q->internal_session,
&q->frames_ctx, q->load_plugins,
q->param.IOPattern == MFX_IOPATTERN_IN_OPAQUE_MEMORY);
if (ret < 0) {