vulkan_decode.c File Reference

#include "libavutil/attributes.h"
#include "libavutil/refstruct.h"
#include "vulkan_video.h"
#include "vulkan_decode.h"
#include "config_components.h"
#include "libavutil/avassert.h"
#include "libavutil/mem.h"
#include "libavutil/vulkan_loader.h"

Go to the source code of this file.

Data Structures
struct	FFVulkanDecodeProfileData

Macros
#define	DECODER_IS_SDR(codec_id)

Functions
static const FFVulkanDecodeDescriptor *	get_codecdesc (enum AVCodecID codec_id)
static const VkVideoProfileInfoKHR *	get_video_profile (FFVulkanDecodeShared *ctx, enum AVCodecID codec_id)
int	ff_vk_update_thread_context (AVCodecContext *dst, const AVCodecContext *src)
	Synchronize the contexts between 2 threads.
int	ff_vk_params_invalidate (AVCodecContext *avctx, int t, const uint8_t *b, uint32_t s)
	Removes current session parameters to recreate them.
static AVFrame *	vk_get_dpb_pool (FFVulkanDecodeShared *ctx)
static void	init_frame (FFVulkanDecodeContext *dec, FFVulkanDecodePicture *vkpic)
int	ff_vk_decode_prepare_frame (FFVulkanDecodeContext *dec, AVFrame *pic, FFVulkanDecodePicture *vkpic, int is_current, int alloc_dpb)
	Prepare a frame, creates the image view, and sets up the dpb fields.
int	ff_vk_decode_add_slice (AVCodecContext *avctx, FFVulkanDecodePicture *vp, const uint8_t *data, size_t size, int add_startcode, uint32_t *nb_slices, const uint32_t **offsets)
	Add slice data to frame.
static int	create_empty_session_parameters (AVCodecContext *avctx, FFVulkanDecodeShared *ctx, VkVideoSessionParametersKHR *empty_session_params)
static int	decode_reset (AVCodecContext *avctx, FFVulkanDecodeShared *ctx)
int	ff_vk_decode_frame (AVCodecContext *avctx, AVFrame *pic, FFVulkanDecodePicture *vp, AVFrame *rpic[], FFVulkanDecodePicture *rvkp[])
	Decode a frame.
void	ff_vk_decode_free_frame (AVHWDeviceContext *dev_ctx, FFVulkanDecodePicture *vp)
	Free a frame and its state.
static void	free_common (AVRefStructOpaque unused, void *obj)
static int	vulkan_decode_bootstrap (AVCodecContext *avctx, AVBufferRef *frames_ref)
static VkResult	vulkan_setup_profile (AVCodecContext *avctx, FFVulkanDecodeProfileData *prof, AVVulkanDeviceContext *hwctx, FFVulkanFunctions *vk, const FFVulkanDecodeDescriptor *vk_desc, VkVideoDecodeH264CapabilitiesKHR *h264_caps, VkVideoDecodeH265CapabilitiesKHR *h265_caps, VkVideoDecodeAV1CapabilitiesKHR *av1_caps, VkVideoCapabilitiesKHR *caps, VkVideoDecodeCapabilitiesKHR *dec_caps, int cur_profile)
static int	vulkan_decode_get_profile (AVCodecContext *avctx, AVBufferRef *frames_ref, enum AVPixelFormat *pix_fmt, VkFormat *vk_fmt, FFVulkanDecodeProfileData *prof, int *dpb_dedicate)
static void	free_profile_data (AVHWFramesContext *hwfc)
int	ff_vk_frame_params (AVCodecContext *avctx, AVBufferRef *hw_frames_ctx)
	Initialize hw_frames_ctx with the parameters needed to decode the stream using the parameters from avctx.
static void	vk_decode_free_params (AVRefStructOpaque opaque, void *obj)
int	ff_vk_decode_create_params (VkVideoSessionParametersKHR **par_ref, void *logctx, FFVulkanDecodeShared *ctx, const VkVideoSessionParametersCreateInfoKHR *session_params_create)
	Create VkVideoSessionParametersKHR wrapped in an AVBufferRef.
int	ff_vk_decode_uninit (AVCodecContext *avctx)
	Free decoder.
int	ff_vk_decode_init (AVCodecContext *avctx)
	Initialize decoder.

Variables
static const FFVulkanDecodeDescriptor *	dec_descs []

Macro Definition Documentation

DECODER_IS_SDR

#define DECODER_IS_SDR

(

codec_id

)

Value:

    (((codec_id) == AV_CODEC_ID_FFV1) || \
     ((codec_id) == AV_CODEC_ID_DPX) || \
     ((codec_id) == AV_CODEC_ID_APV) || \
     ((codec_id) == AV_CODEC_ID_PRORES_RAW) || \
     ((codec_id) == AV_CODEC_ID_PRORES))

Definition at line 28 of file vulkan_decode.c.

Referenced by ff_vk_decode_add_slice(), ff_vk_decode_init(), and ff_vk_frame_params().

Function Documentation

get_codecdesc()

static const FFVulkanDecodeDescriptor * get_codecdesc ( enum AVCodecID codec_id )

static

Definition at line 106 of file vulkan_decode.c.

Referenced by ff_vk_decode_init(), vulkan_decode_bootstrap(), and vulkan_decode_get_profile().

get_video_profile()

static const VkVideoProfileInfoKHR * get_video_profile ( FFVulkanDecodeShared * ctx, enum AVCodecID codec_id )

static

Definition at line 115 of file vulkan_decode.c.

Referenced by ff_vk_decode_init().

ff_vk_update_thread_context()

int ff_vk_update_thread_context	(	AVCodecContext *	dst,
		const AVCodecContext *	src )

Synchronize the contexts between 2 threads.

Definition at line 142 of file vulkan_decode.c.

ff_vk_params_invalidate()

int ff_vk_params_invalidate	(	AVCodecContext *	avctx,
		int	t,
		const uint8_t *	b,
		uint32_t	s )

Removes current session parameters to recreate them.

Definition at line 157 of file vulkan_decode.c.

vk_get_dpb_pool()

static AVFrame * vk_get_dpb_pool ( FFVulkanDecodeShared * ctx )

static

Definition at line 164 of file vulkan_decode.c.

Referenced by ff_vk_decode_init(), and ff_vk_decode_prepare_frame().

init_frame()

static void init_frame ( FFVulkanDecodeContext * dec, FFVulkanDecodePicture * vkpic )

static

Definition at line 178 of file vulkan_decode.c.

Referenced by ff_vk_decode_prepare_frame().

ff_vk_decode_prepare_frame()

int ff_vk_decode_prepare_frame	(	FFVulkanDecodeContext *	dec,
		AVFrame *	pic,
		FFVulkanDecodePicture *	vkpic,
		int	is_current,
		int	alloc_dpb )

Prepare a frame, creates the image view, and sets up the dpb fields.

Definition at line 191 of file vulkan_decode.c.

Referenced by vk_av1_fill_pict(), vk_h264_fill_pict(), vk_hevc_fill_pict(), and vk_vp9_fill_pict().

ff_vk_decode_add_slice()

int ff_vk_decode_add_slice	(	AVCodecContext *	avctx,
		FFVulkanDecodePicture *	vp,
		const uint8_t *	data,
		size_t	size,
		int	add_startcode,
		uint32_t *	nb_slices,
		const uint32_t **	offsets )

Add slice data to frame.

Definition at line 258 of file vulkan_decode.c.

Referenced by vk_apv_decode_slice(), vk_av1_decode_slice(), vk_dpx_decode_slice(), vk_ffv1_decode_slice(), vk_h264_decode_slice(), vk_hevc_decode_slice(), vk_prores_decode_slice(), vk_prores_raw_decode_slice(), and vk_vp9_decode_slice().

create_empty_session_parameters()

static int create_empty_session_parameters ( AVCodecContext * avctx, FFVulkanDecodeShared * ctx, VkVideoSessionParametersKHR * empty_session_params )

static

Definition at line 349 of file vulkan_decode.c.

Referenced by decode_reset().

decode_reset()

static int decode_reset ( AVCodecContext * avctx, FFVulkanDecodeShared * ctx )

static

Definition at line 390 of file vulkan_decode.c.

Referenced by ff_vk_decode_init().

ff_vk_decode_frame()

int ff_vk_decode_frame	(	AVCodecContext *	avctx,
		AVFrame *	pic,
		FFVulkanDecodePicture *	vp,
		AVFrame *	rpic[],
		FFVulkanDecodePicture *	rvkp[] )

Decode a frame.

Definition at line 442 of file vulkan_decode.c.

Referenced by vk_av1_end_frame(), vk_h264_end_frame(), vk_hevc_end_frame(), and vk_vp9_end_frame().

ff_vk_decode_free_frame()

void ff_vk_decode_free_frame	(	AVHWDeviceContext *	dev_ctx,
		FFVulkanDecodePicture *	vp )

Free a frame and its state.

Definition at line 639 of file vulkan_decode.c.

Referenced by vk_apv_free_frame_priv(), vk_av1_free_frame_priv(), vk_dpx_free_frame_priv(), vk_ffv1_free_frame_priv(), vk_h264_free_frame_priv(), vk_hevc_free_frame_priv(), vk_prores_free_frame_priv(), vk_prores_raw_free_frame_priv(), and vk_vp9_free_frame_priv().

free_common()

static void free_common ( AVRefStructOpaque unused, void * obj )

static

Definition at line 651 of file vulkan_decode.c.

Referenced by vulkan_decode_bootstrap().

vulkan_decode_bootstrap()

static int vulkan_decode_bootstrap ( AVCodecContext * avctx, AVBufferRef * frames_ref )

static

Definition at line 672 of file vulkan_decode.c.

Referenced by ff_vk_frame_params().

vulkan_setup_profile()

static VkResult vulkan_setup_profile ( AVCodecContext * avctx, FFVulkanDecodeProfileData * prof, AVVulkanDeviceContext * hwctx, FFVulkanFunctions * vk, const FFVulkanDecodeDescriptor * vk_desc, VkVideoDecodeH264CapabilitiesKHR * h264_caps, VkVideoDecodeH265CapabilitiesKHR * h265_caps, VkVideoDecodeAV1CapabilitiesKHR * av1_caps, VkVideoCapabilitiesKHR * caps, VkVideoDecodeCapabilitiesKHR * dec_caps, int cur_profile )

static

Definition at line 713 of file vulkan_decode.c.

Referenced by vulkan_decode_get_profile().

vulkan_decode_get_profile()

static int vulkan_decode_get_profile ( AVCodecContext * avctx, AVBufferRef * frames_ref, enum AVPixelFormat * pix_fmt, VkFormat * vk_fmt, FFVulkanDecodeProfileData * prof, int * dpb_dedicate )

static

Definition at line 801 of file vulkan_decode.c.

Referenced by ff_vk_frame_params().

free_profile_data()

static void free_profile_data ( AVHWFramesContext * hwfc )

static

Definition at line 1078 of file vulkan_decode.c.

Referenced by ff_vk_frame_params().

ff_vk_frame_params()

int ff_vk_frame_params	(	AVCodecContext *	avctx,
		AVBufferRef *	hw_frames_ctx )

Initialize hw_frames_ctx with the parameters needed to decode the stream using the parameters from avctx.

NOTE: if avctx->internal->hwaccel_priv_data exists, will partially initialize the context.

Definition at line 1083 of file vulkan_decode.c.

vk_decode_free_params()

static void vk_decode_free_params ( AVRefStructOpaque opaque, void * obj )

static

Definition at line 1185 of file vulkan_decode.c.

Referenced by ff_vk_decode_create_params().

ff_vk_decode_create_params()

int ff_vk_decode_create_params	(	VkVideoSessionParametersKHR **	par_ref,
		void *	logctx,
		FFVulkanDecodeShared *	ctx,
		const VkVideoSessionParametersCreateInfoKHR *	session_params_create )

Create VkVideoSessionParametersKHR wrapped in an AVBufferRef.

Definition at line 1194 of file vulkan_decode.c.

Referenced by vk_av1_create_params(), vk_h264_create_params(), and vk_hevc_create_params().

ff_vk_decode_uninit()

int ff_vk_decode_uninit

(

AVCodecContext *

avctx

)

Free decoder.

Definition at line 1220 of file vulkan_decode.c.

Referenced by ff_vk_decode_init().

ff_vk_decode_init()

int ff_vk_decode_init

(

AVCodecContext *

avctx

)

Initialize decoder.

Definition at line 1231 of file vulkan_decode.c.

Referenced by vk_decode_apv_init(), vk_decode_dpx_init(), vk_decode_ffv1_init(), vk_decode_prores_init(), and vk_decode_prores_raw_init().

Variable Documentation

dec_descs

const FFVulkanDecodeDescriptor* dec_descs[]

static

Initial value:

= {
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
}

Definition at line 63 of file vulkan_decode.c.

Referenced by get_codecdesc().