46 #define DIV_UP(a, b) ( ((a) + (b) - 1) / (b) ) 47 #define ALIGN_UP(a, b) (((a) + (b) - 1) & ~((b) - 1)) 51 #define CHECK_CU(x) FF_CUDA_CHECK_DL(ctx, s->hwctx->internal->cuda_dl, x) 54 CUdeviceptr prev, CUdeviceptr cur, CUdeviceptr next,
67 CUtexObject tex_prev = 0, tex_cur = 0, tex_next = 0;
71 void *args[] = { &dst, &tex_prev, &tex_cur, &tex_next,
72 &dst_width, &dst_height, &dst_pitch,
73 &src_width, &src_height, &
parity, &tff,
74 &skip_spatial_check };
76 CUDA_TEXTURE_DESC tex_desc = {
77 .filterMode = CU_TR_FILTER_MODE_POINT,
78 .flags = CU_TRSF_READ_AS_INTEGER,
81 CUDA_RESOURCE_DESC res_desc = {
82 .resType = CU_RESOURCE_TYPE_PITCH2D,
83 .res.pitch2D.format =
format,
85 .res.pitch2D.width = src_width,
86 .res.pitch2D.height = src_height,
87 .res.pitch2D.pitchInBytes = src_pitch,
90 res_desc.res.pitch2D.devPtr = (CUdeviceptr)prev;
91 ret =
CHECK_CU(cu->cuTexObjectCreate(&tex_prev, &res_desc, &tex_desc,
NULL));
95 res_desc.res.pitch2D.devPtr = (CUdeviceptr)cur;
96 ret =
CHECK_CU(cu->cuTexObjectCreate(&tex_cur, &res_desc, &tex_desc,
NULL));
100 res_desc.res.pitch2D.devPtr = (CUdeviceptr)next;
101 ret =
CHECK_CU(cu->cuTexObjectCreate(&tex_next, &res_desc, &tex_desc,
NULL));
105 ret =
CHECK_CU(cu->cuLaunchKernel(func,
112 CHECK_CU(cu->cuTexObjectDestroy(tex_prev));
114 CHECK_CU(cu->cuTexObjectDestroy(tex_cur));
116 CHECK_CU(cu->cuTexObjectDestroy(tex_next));
140 if (comp->
plane < i) {
147 channels = comp->
step / pixel_size;
148 if (pixel_size > 2 || channels > 2) {
152 switch (pixel_size) {
155 format = CU_AD_FORMAT_UNSIGNED_INT8;
159 format = CU_AD_FORMAT_UNSIGNED_INT16;
166 "Deinterlacing plane %d: pixel_size: %d channels: %d\n",
167 comp->
plane, pixel_size, channels);
176 (CUdeviceptr)dst->
data[i],
184 CHECK_CU(cu->cuCtxPopCurrent(&dummy));
198 CHECK_CU(cu->cuCtxPopCurrent(&dummy));
235 "required to associate the processing device.\n");
296 "context for output: %d\n", ret);
309 if (link->
w < 3 || link->
h < 3) {
310 av_log(ctx,
AV_LOG_ERROR,
"Video of less than 3 columns or lines is not supported\n");
343 CHECK_CU(cu->cuCtxPopCurrent(&dummy));
377 .
name =
"yadif_cuda",
380 .priv_class = &yadif_cuda_class,
383 .
inputs = deint_cuda_inputs,
This struct aggregates all the (hardware/vendor-specific) "high-level" state, i.e.
int plane
Which of the 4 planes contains the component.
#define FF_FILTER_FLAG_HWFRAME_AWARE
The filter is aware of hardware frames, and any hardware frame context should not be automatically pr...
void av_buffer_unref(AVBufferRef **buf)
Free a given reference and automatically free the buffer if there are no more references to it...
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
This structure describes decoded (raw) audio or video data.
static CUresult call_kernel(AVFilterContext *ctx, CUfunction func, CUdeviceptr prev, CUdeviceptr cur, CUdeviceptr next, CUarray_format format, int channels, int src_width, int src_height, int src_pitch, CUdeviceptr dst, int dst_width, int dst_height, int dst_pitch, int parity, int tff)
#define LIBAVUTIL_VERSION_INT
static av_cold void deint_cuda_uninit(AVFilterContext *ctx)
int h
agreed upon image height
void(* filter)(AVFilterContext *ctx, AVFrame *dstpic, int parity, int tff)
AVCUDADeviceContextInternal * internal
int ff_yadif_request_frame(AVFilterLink *link)
const char * av_default_item_name(void *ptr)
Return the context name.
int width
The allocated dimensions of the frames in this pool.
static int config_input(AVFilterLink *inlink)
enum AVPixelFormat format
The pixel format identifying the underlying HW surface type.
AVFilterFormatsConfig outcfg
Lists of supported formats / etc.
Filter the word “frame” indicates either a video frame or a group of audio as stored in an AVFrame structure Format for each input and each output the list of supported formats For video that means pixel format For audio that means channel sample format(the sample packing is implied by the sample format) and sample rate.The lists are not just lists
static void filter(AVFilterContext *ctx, AVFrame *dst, int parity, int tff)
AVHWFramesContext * input_frames
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
const char * name
Pad name.
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
AVFilterLink ** inputs
array of pointers to input links
#define av_assert0(cond)
assert() equivalent, that is always enabled.
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
static av_cold int uninit(AVCodecContext *avctx)
#define AV_LOG_TRACE
Extremely verbose debugging, useful for libav* development.
A filter pad used for either input or output.
A link between two filters.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
AVRational frame_rate
Frame rate of the stream on the link, or 1/0 if unknown or variable; if left to 0/0, will be automatically copied from the first input of the source filter if it exists.
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
void * priv
private data for use by the filter
AVRational time_base
Define the time base used by the PTS of the frames/samples which will pass through this link...
simple assert() macros that are a bit more flexible than ISO C assert().
int av_hwframe_ctx_init(AVBufferRef *ref)
Finalize the context before use.
int w
agreed upon image width
int initial_pool_size
Initial size of the frame pool.
uint8_t nb_components
The number of components each pixel has, (1-4)
static const AVClass yadif_cuda_class
AVBufferRef * hw_frames_ctx
For hwaccel pixel formats, this should be a reference to the AVHWFramesContext describing the frames...
CUfunction cu_func_uchar2
FFmpeg internal API for CUDA.
AVFilterContext * src
source filter
AVCUDADeviceContext * hwctx
HW acceleration through CUDA.
static const AVFilterPad outputs[]
static void comp(unsigned char *dst, ptrdiff_t dst_stride, unsigned char *src, ptrdiff_t src_stride, int add)
CUfunction cu_func_ushort2
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
AVFilter ff_vf_yadif_cuda
uint8_t * data
The data buffer.
these buffered frames must be flushed immediately if a new input produces new the filter must not call request_frame to get more It must just process the frame or queue it The task of requesting more frames is left to the filter s request_frame method or the application If a filter has several inputs
This struct is allocated as AVHWDeviceContext.hwctx.
int(* func)(AVBPrint *dst, const char *in, const char *arg)
Describe the class of an AVClass context structure.
Rational number (pair of numerator and denominator).
int ff_yadif_filter_frame(AVFilterLink *link, AVFrame *frame)
This struct describes a set or pool of "hardware" frames (i.e.
static const AVFilterPad deint_cuda_outputs[]
const char * name
Filter name.
Filter the word “frame” indicates either a video frame or a group of audio as stored in an AVFrame structure Format for each input and each output the list of supported formats For video that means pixel format For audio that means channel sample they are references to shared objects When the negotiation mechanism computes the intersection of the formats supported at each end of a link
#define AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL
Same as AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC, except that the filter will have its filter_frame() c...
AVFilterLink ** outputs
array of pointers to output links
int shift
Number of least significant bits that must be shifted away to get the value.
static enum AVPixelFormat pix_fmts[]
CUfunction cu_func_ushort
#define flags(name, subs,...)
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
AVBufferRef * device_ref
A reference to the parent AVHWDeviceContext.
const AVPixFmtDescriptor * csp
The exact code depends on how similar the blocks are and how related they are to the and needs to apply these operations to the correct inlink or outlink if there are several Macros are available to factor that when no extra processing is inlink
static int config_output(AVFilterLink *link)
AVBufferRef * input_frames_ref
static const AVFilterPad deint_cuda_inputs[]
A reference to a data buffer.
static int query_formats(AVFilterContext *ctx)
AVBufferRef * av_hwframe_ctx_alloc(AVBufferRef *device_ref_in)
Allocate an AVHWFramesContext tied to a given device context.
const AVOption ff_yadif_options[]
AVBufferRef * av_buffer_ref(AVBufferRef *buf)
Create a new reference to an AVBuffer.
int ff_filter_init_hw_frames(AVFilterContext *avctx, AVFilterLink *link, int default_pool_size)
Perform any additional setup required for hardware frames.
AVFilterFormatsConfig incfg
Lists of supported formats / etc.
AVFilterContext * dst
dest filter
AVRational av_mul_q(AVRational b, AVRational c)
Multiply two rationals.
static int deint_cuda_query_formats(AVFilterContext *ctx)
Filter the word “frame” indicates either a video frame or a group of audio as stored in an AVFrame structure Format for each input and each output the list of supported formats For video that means pixel format For audio that means channel sample they are references to shared objects When the negotiation mechanism computes the intersection of the formats supported at each end of a all references to both lists are replaced with a reference to the intersection And when a single format is eventually chosen for a link amongst the remaining all references to the list are updated That means that if a filter requires that its input and output have the same format amongst a supported all it has to do is use a reference to the same list of formats query_formats can leave some formats unset and return AVERROR(EAGAIN) to cause the negotiation mechanism toagain later.That can be used by filters with complex requirements to use the format negotiated on one link to set the formats supported on another.Frame references ownership and permissions
int depth
Number of bits in the component.
enum AVPixelFormat sw_format
The pixel format identifying the actual data layout of the hardware frames.
AVPixelFormat
Pixel format.
int step
Number of elements between 2 horizontally consecutive pixels.
#define AV_CEIL_RSHIFT(a, b)