43 #define CHECK_CU(x) FF_CUDA_CHECK_DL(ctx, device_hwctx->internal->cuda_dl, x) 160 int in_sw, in_sh, out_sw, out_sh;
233 int out_width,
int out_height)
244 int i,
ret, last_stage = -1;
273 if (in_width != out_width || in_height != out_height ||
274 in_deinterleaved_format != out_deinterleaved_format) {
278 (out_width > in_width && out_height > in_height)) {
280 av_log(ctx,
AV_LOG_WARNING,
"super-sampling not supported for output dimensions, using lanczos instead.\n");
283 !(out_width < in_width && out_height < in_height)) {
285 av_log(ctx,
AV_LOG_WARNING,
"super-sampling not supported for output dimensions, using cubic instead.\n");
293 if (in_format != in_deinterleaved_format)
295 if (out_format != out_deinterleaved_format)
356 if (((int64_t)h * inlink->
w) > INT_MAX ||
357 ((int64_t)w * inlink->
h) > INT_MAX)
368 inlink->
w, inlink->
h, outlink->
w, outlink->
h);
372 outlink->
w*inlink->
h},
391 err = nppiYCbCr420_8u_P2P3R(in->
data[0], in->
linesize[0],
394 (NppiSize){ in->width, in->height });
399 if (err != NPP_SUCCESS) {
420 err = nppiResizeSqrPixel_8u_C1R(in->
data[i], (NppiSize){ iw, ih },
421 in->
linesize[i], (NppiRect){ 0, 0, iw, ih },
423 (NppiRect){ 0, 0, ow, oh },
424 (
double)ow / iw, (
double)oh / ih,
426 if (err != NPP_SUCCESS) {
443 err = nppiYCbCr420_8u_P3P2R((
const uint8_t**)in->
data,
447 (NppiSize){ in->width, in->height });
452 if (err != NPP_SUCCESS) {
471 int i,
ret, last_stage = -1;
522 ret =
CHECK_CU(device_hwctx->internal->cuda_dl->cuCtxPushCurrent(device_hwctx->cuda_ctx));
528 CHECK_CU(device_hwctx->internal->cuda_dl->cuCtxPopCurrent(&
dummy));
532 av_reduce(&
out->sample_aspect_ratio.num, &
out->sample_aspect_ratio.den,
545 #define OFFSET(x) offsetof(NPPScaleContext, x) 546 #define FLAGS (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM) 552 {
"interp_algo",
"Interpolation algorithm used for resizing",
OFFSET(interp_algo),
AV_OPT_TYPE_INT, { .i64 = NPPI_INTER_CUBIC }, 0, INT_MAX,
FLAGS,
"interp_algo" },
553 {
"nn",
"nearest neighbour", 0,
AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_NN }, 0, 0,
FLAGS,
"interp_algo" },
556 {
"cubic2p_bspline",
"2-parameter cubic (B=1, C=0)", 0,
AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_CUBIC2P_BSPLINE }, 0, 0,
FLAGS,
"interp_algo" },
557 {
"cubic2p_catmullrom",
"2-parameter cubic (B=0, C=1/2)", 0,
AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_CUBIC2P_CATMULLROM }, 0, 0,
FLAGS,
"interp_algo" },
558 {
"cubic2p_b05c03",
"2-parameter cubic (B=1/2, C=3/10)", 0,
AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_CUBIC2P_B05C03 }, 0, 0,
FLAGS,
"interp_algo" },
559 {
"super",
"supersampling", 0,
AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_SUPER }, 0, 0,
FLAGS,
"interp_algo" },
560 {
"lanczos",
"Lanczos", 0,
AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_LANCZOS }, 0, 0,
FLAGS,
"interp_algo" },
561 {
"force_original_aspect_ratio",
"decrease or increase w/h if necessary to keep the original AR",
OFFSET(force_original_aspect_ratio),
AV_OPT_TYPE_INT, { .i64 = 0}, 0, 2,
FLAGS,
"force_oar" },
565 {
"force_divisible_by",
"enforce that the output resolution is divisible by a defined integer when force_original_aspect_ratio is used",
OFFSET(force_divisible_by),
AV_OPT_TYPE_INT, { .i64 = 1}, 1, 256,
FLAGS },
597 "scaling and format conversion"),
604 .priv_class = &nppscale_class,
606 .
inputs = nppscale_inputs,
#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.
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
#define AV_LOG_WARNING
Something somehow does not look correct.
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
#define LIBAVUTIL_VERSION_INT
Main libavfilter public API header.
int h
agreed upon image height
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 nppscale_config_props(AVFilterLink *outlink)
enum AVPixelFormat out_fmt
struct NPPScaleStageContext::@234 planes_out[3]
enum AVPixelFormat format
The pixel format identifying the underlying HW surface type.
void av_frame_move_ref(AVFrame *dst, AVFrame *src)
Move everything contained in src to dst and reset src.
#define FF_ARRAY_ELEMS(a)
static enum AVPixelFormat get_deinterleaved_format(enum AVPixelFormat fmt)
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 const struct @322 planes[]
static int nppscale_resize(AVFilterContext *ctx, NPPScaleStageContext *stage, AVFrame *out, AVFrame *in)
enum AVPixelFormat format
Output sw format.
AVBufferRef * hw_frames_ctx
For hwaccel-format frames, this should be a reference to the AVHWFramesContext describing the frame...
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
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
char * w_expr
width expression string
static const AVFilterPad nppscale_inputs[]
AVFrame * av_frame_alloc(void)
Allocate an AVFrame and set its fields to default values.
enum AVPixelFormat in_fmt
static void nppscale_uninit(AVFilterContext *ctx)
void * hwctx
The format-specific data, allocated and freed by libavutil along with this context.
#define AV_LOG_VERBOSE
Detailed information.
int av_reduce(int *dst_num, int *dst_den, int64_t num, int64_t den, int64_t max)
Reduce a fraction.
struct NPPScaleStageContext::@234 planes_in[3]
static const AVOption options[]
A filter pad used for either input or output.
static int nppscale_init(AVFilterContext *ctx)
A link between two filters.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
int ff_scale_eval_dimensions(void *log_ctx, const char *w_expr, const char *h_expr, AVFilterLink *inlink, AVFilterLink *outlink, int *ret_w, int *ret_h)
Parse and evaluate string expressions for width and height.
static int nppscale_deinterleave(AVFilterContext *ctx, NPPScaleStageContext *stage, AVFrame *out, AVFrame *in)
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
int av_pix_fmt_get_chroma_sub_sample(enum AVPixelFormat pix_fmt, int *h_shift, int *v_shift)
Utility function to access log2_chroma_w log2_chroma_h from the pixel format AVPixFmtDescriptor.
#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
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
static int nppscale_scale(AVFilterContext *ctx, AVFrame *out, AVFrame *in)
static int init_stage(NPPScaleStageContext *stage, AVBufferRef *device_ctx)
int av_hwframe_ctx_init(AVBufferRef *ref)
Finalize the context before use.
static int nppscale_interleave(AVFilterContext *ctx, NPPScaleStageContext *stage, AVFrame *out, AVFrame *in)
int av_hwframe_get_buffer(AVBufferRef *hwframe_ref, AVFrame *frame, int flags)
Allocate a new frame attached to the given AVHWFramesContext.
int w
agreed upon image width
common internal API header
uint8_t nb_components
The number of components each pixel has, (1-4)
AVBufferRef * hw_frames_ctx
For hwaccel pixel formats, this should be a reference to the AVHWFramesContext describing the frames...
AVHWDeviceContext * device_ctx
The parent AVHWDeviceContext.
static const AVClass nppscale_class
static enum AVPixelFormat supported_formats[]
FFmpeg internal API for CUDA.
AVFilterContext * src
source filter
static int format_is_supported(enum AVPixelFormat fmt)
HW acceleration through CUDA.
static const AVFilterPad outputs[]
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
uint8_t * data
The data buffer.
AVRational sample_aspect_ratio
Sample aspect ratio for the video frame, 0/1 if unknown/unspecified.
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
#define AVERROR_BUG
Internal bug, also see AVERROR_BUG2.
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(const int16_t *) pi >> 8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(const int16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(const int16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(const int32_t *) pi >> 24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(const int32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(const int32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(const float *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(const float *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(const float *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(const double *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(const double *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(const double *) pi *(1U<< 31))))#define SET_CONV_FUNC_GROUP(ofmt, ifmt) static void set_generic_function(AudioConvert *ac){}void ff_audio_convert_free(AudioConvert **ac){if(!*ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, int sample_rate, int apply_map){AudioConvert *ac;int in_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) return NULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method!=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt) > 2){ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc){av_free(ac);return NULL;}return ac;}in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar){ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar?ac->channels:1;}else if(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;else ac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);return ac;}int ff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){int use_generic=1;int len=in->nb_samples;int p;if(ac->dc){av_log(ac->avr, AV_LOG_TRACE,"%d samples - audio_convert: %s to %s (dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> in
This struct is allocated as AVHWDeviceContext.hwctx.
Describe the class of an AVClass context structure.
Rational number (pair of numerator and denominator).
This struct describes a set or pool of "hardware" frames (i.e.
static int init_processing_chain(AVFilterContext *ctx, int in_width, int in_height, int out_width, int out_height)
const char * name
Filter name.
static int(*const nppscale_process[])(AVFilterContext *ctx, NPPScaleStageContext *stage, AVFrame *out, AVFrame *in)
AVRational sample_aspect_ratio
agreed upon sample aspect ratio
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
static int nppscale_query_formats(AVFilterContext *ctx)
AVFilterLink ** outputs
array of pointers to output links
static enum AVPixelFormat pix_fmts[]
int ff_scale_adjust_dimensions(AVFilterLink *inlink, int *ret_w, int *ret_h, int force_original_aspect_ratio, int force_divisible_by)
Transform evaluated width and height obtained from ff_scale_eval_dimensions into actual target width ...
void av_frame_unref(AVFrame *frame)
Unreference all the buffers referenced by frame and reset the frame fields.
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
AVBufferRef * device_ref
A reference to the parent AVHWDeviceContext.
static const AVFilterPad nppscale_outputs[]
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
A reference to a data buffer.
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
common internal and external API header
NPPScaleStageContext stages[STAGE_NB]
AVBufferRef * av_hwframe_ctx_alloc(AVBufferRef *device_ref_in)
Allocate an AVHWFramesContext tied to a given device context.
AVBufferRef * av_buffer_ref(AVBufferRef *buf)
Create a new reference to an AVBuffer.
#define AVERROR_UNKNOWN
Unknown error, typically from an external library.
int force_original_aspect_ratio
static int nppscale_filter_frame(AVFilterLink *link, AVFrame *in)
AVFilterContext * dst
dest filter
static enum AVPixelFormat deinterleaved_formats[][2]
AVRational av_mul_q(AVRational b, AVRational c)
Multiply two rationals.
enum AVPixelFormat av_get_pix_fmt(const char *name)
Return the pixel format corresponding to name.
const char * av_get_pix_fmt_name(enum AVPixelFormat pix_fmt)
Return the short name for a pixel format, NULL in case pix_fmt is unknown.
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
char * h_expr
height expression string
enum AVPixelFormat sw_format
The pixel format identifying the actual data layout of the hardware frames.
AVPixelFormat
Pixel format.
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.