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avutil/hwcontext_vaapi: Allocate public and priv device hwctx together 

This is possible because the lifetime of both coincide.
Besides reducing the number of allocations this also simplifies
access to VAAPIDeviceContext as one no longer has to
go through AVHWDeviceInternal.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2024-02-11 15:39:44 +01:00
parent cffadfe99a
commit 520c1b0a7c
1 changed files with 13 additions and 9 deletions
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22
libavutil/hwcontext_vaapi.c
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@ -75,6 +75,11 @@ typedef struct VAAPISurfaceFormat {
} VAAPISurfaceFormat;
typedef struct VAAPIDeviceContext {
/**
* The public AVVAAPIDeviceContext. See hwcontext_vaapi.h for it.
*/
AVVAAPIDeviceContext p;
// Surface formats which can be used with this device.
VAAPISurfaceFormat *formats;
int nb_formats;
@ -207,7 +212,7 @@ static int vaapi_get_image_format(AVHWDeviceContext *hwdev,
enum AVPixelFormat pix_fmt,
VAImageFormat **image_format)
{
VAAPIDeviceContext *ctx = hwdev->internal->priv;
VAAPIDeviceContext *ctx = hwdev->hwctx;
int i;
for (i = 0; i < ctx->nb_formats; i++) {
@ -224,9 +229,9 @@ static int vaapi_frames_get_constraints(AVHWDeviceContext *hwdev,
const void *hwconfig,
AVHWFramesConstraints *constraints)
{
AVVAAPIDeviceContext *hwctx = hwdev->hwctx;
VAAPIDeviceContext *ctx = hwdev->hwctx;
AVVAAPIDeviceContext *hwctx = &ctx->p;
const AVVAAPIHWConfig *config = hwconfig;
VAAPIDeviceContext *ctx = hwdev->internal->priv;
VASurfaceAttrib *attr_list = NULL;
VAStatus vas;
enum AVPixelFormat pix_fmt;
@ -384,8 +389,8 @@ static const struct {
static int vaapi_device_init(AVHWDeviceContext *hwdev)
{
VAAPIDeviceContext *ctx = hwdev->internal->priv;
AVVAAPIDeviceContext *hwctx = hwdev->hwctx;
VAAPIDeviceContext *ctx = hwdev->hwctx;
AVVAAPIDeviceContext *hwctx = &ctx->p;
VAImageFormat *image_list = NULL;
VAStatus vas;
const char *vendor_string;
@ -474,7 +479,7 @@ fail:
static void vaapi_device_uninit(AVHWDeviceContext *hwdev)
{
VAAPIDeviceContext *ctx = hwdev->internal->priv;
VAAPIDeviceContext *ctx = hwdev->hwctx;
av_freep(&ctx->formats);
}
@ -718,7 +723,7 @@ static int vaapi_transfer_get_formats(AVHWFramesContext *hwfc,
enum AVHWFrameTransferDirection dir,
enum AVPixelFormat **formats)
{
VAAPIDeviceContext *ctx = hwfc->device_ctx->internal->priv;
VAAPIDeviceContext *ctx = hwfc->device_ctx->hwctx;
enum AVPixelFormat *pix_fmts;
int i, k, sw_format_available;
@ -2007,8 +2012,7 @@ const HWContextType ff_hwcontext_type_vaapi = {
.type = AV_HWDEVICE_TYPE_VAAPI,
.name = "VAAPI",
.device_hwctx_size = sizeof(AVVAAPIDeviceContext),
.device_priv_size = sizeof(VAAPIDeviceContext),
.device_hwctx_size = sizeof(VAAPIDeviceContext),
.device_hwconfig_size = sizeof(AVVAAPIHWConfig),
.frames_hwctx_size = sizeof(AVVAAPIFramesContext),
.frames_priv_size = sizeof(VAAPIFramesContext),