65 "command queue: %d.\n", cle);
71 if (cle == CL_INVALID_KERNEL_NAME) {
90 size_t global_work[2];
92 int err,
input, plane;
107 dst = (cl_mem)output->
data[plane];
111 cle = clSetKernelArg(ctx->
kernel, 0,
sizeof(cl_mem), &dst);
112 if (cle != CL_SUCCESS) {
114 "destination image argument: %d.\n", cle);
118 cle = clSetKernelArg(ctx->
kernel, 1,
sizeof(cl_uint), &ctx->
index);
119 if (cle != CL_SUCCESS) {
121 "index argument: %d.\n", cle);
126 for (input = 0; input < ctx->
nb_inputs; input++) {
129 src = (cl_mem)ctx->
frames[input]->
data[plane];
132 cle = clSetKernelArg(ctx->
kernel, 2 + input,
sizeof(cl_mem), &src);
133 if (cle != CL_SUCCESS) {
135 "source image argument %d: %d.\n", input, cle);
148 plane, global_work[0], global_work[1]);
262 if (!strcmp(avctx->
filter->
name,
"openclsrc")) {
265 "dimensions to be specified.\n");
281 memset(&input, 0,
sizeof(input));
316 cle = clReleaseKernel(ctx->
kernel);
317 if (cle != CL_SUCCESS)
319 "kernel: %d.\n", cle);
324 if (cle != CL_SUCCESS)
326 "command queue: %d.\n", cle);
332 #define OFFSET(x) offsetof(ProgramOpenCLContext, x) 333 #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM) 335 #if CONFIG_PROGRAM_OPENCL_FILTER 337 static const AVOption program_opencl_options[] = {
356 static const AVFilterPad program_opencl_outputs[] = {
366 .
name =
"program_opencl",
369 .priv_class = &program_opencl_class,
370 .preinit = &program_opencl_framesync_preinit,
376 .
outputs = program_opencl_outputs,
382 #if CONFIG_OPENCLSRC_FILTER 384 static const AVOption openclsrc_options[] = {
422 .priv_class = &openclsrc_class,
#define FRAMESYNC_DEFINE_CLASS(name, context, field)
#define FF_FILTER_FLAG_HWFRAME_AWARE
The filter is aware of hardware frames, and any hardware frame context should not be automatically pr...
static av_cold int program_opencl_init(AVFilterContext *avctx)
This structure describes decoded (raw) audio or video data.
int ff_opencl_filter_work_size_from_image(AVFilterContext *avctx, size_t *work_size, AVFrame *frame, int plane, int block_alignment)
Find the work size needed needed for a given plane of an image.
int ff_opencl_filter_config_input(AVFilterLink *inlink)
Check that the input link contains a suitable hardware frames context and extract the device from it...
int ff_opencl_filter_query_formats(AVFilterContext *avctx)
Return that all inputs and outputs support only AV_PIX_FMT_OPENCL.
Main libavfilter public API header.
Memory handling functions.
static av_cold int init(AVCodecContext *avctx)
int h
agreed upon image height
enum AVMediaType type
AVFilterPad type.
int ff_framesync_configure(FFFrameSync *fs)
Configure a frame sync structure.
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
int ff_opencl_filter_init(AVFilterContext *avctx)
Initialise an OpenCL filter context.
enum FFFrameSyncExtMode before
Extrapolation mode for timestamps before the first frame.
AVOpenCLDeviceContext * hwctx
const char * name
Pad name.
AVFilterContext * parent
Parent filter context.
AVFilterLink ** inputs
array of pointers to input links
#define av_assert0(cond)
assert() equivalent, that is always enabled.
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
static av_cold int uninit(AVCodecContext *avctx)
filter_frame For filters that do not use the activate() callback
cl_device_id device_id
The primary device ID of the device.
filter_frame For filters that do not use the this method is called when a frame is pushed to the filter s input It can be called at any time except in a reentrant way If the input frame is enough to produce output
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
FFFrameSyncIn * in
Pointer to array of inputs.
static int program_opencl_run(AVFilterContext *avctx)
enum FFFrameSyncExtMode after
Extrapolation mode for timestamps after the last frame.
int ff_opencl_filter_config_output(AVFilterLink *outlink)
Create a suitable hardware frames context for the output.
A filter pad used for either input or output.
A link between two filters.
AVFilterPad * input_pads
array of input pads
static int program_opencl_request_frame(AVFilterLink *outlink)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
static int program_opencl_activate(AVFilterContext *avctx)
cl_command_queue command_queue
void ff_framesync_uninit(FFFrameSync *fs)
Free all memory currently allocated.
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
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
AVRational time_base
Define the time base used by the PTS of the frames/samples which will pass through this link...
static av_cold void program_opencl_uninit(AVFilterContext *avctx)
AVRational time_base
Time base for the incoming frames.
int ff_framesync_activate(FFFrameSync *fs)
Examine the frames in the filter's input and try to produce output.
int(* on_event)(struct FFFrameSync *fs)
Callback called when a frame event is ready.
enum AVPixelFormat output_format
int w
agreed upon image width
char * av_asprintf(const char *fmt,...)
int(* config_props)(AVFilterLink *link)
Link configuration callback.
unsigned nb_inputs
number of input pads
AVFilter ff_vsrc_openclsrc
AVFilterContext * src
source filter
enum AVPixelFormat source_format
int ff_opencl_filter_load_program_from_file(AVFilterContext *avctx, const char *filename)
Load a new OpenCL program from a file.
void * opaque
Opaque pointer, not used by the API.
static const AVFilterPad outputs[]
#define FF_ARRAY_ELEMS(a)
int format
format of the frame, -1 if unknown or unset Values correspond to enum AVPixelFormat for video frames...
Extend the frame to infinity.
int ff_framesync_init(FFFrameSync *fs, AVFilterContext *parent, unsigned nb_in)
Initialize a frame sync structure.
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
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
unsigned sync
Synchronization level: frames on input at the highest sync level will generate output frame events...
Rational number (pair of numerator and denominator).
offset must point to AVRational
const char * name
Filter name.
and forward the test the status of outputs and forward it to the corresponding return FFERROR_NOT_READY If the filters stores internally one or a few frame for some input
offset must point to two consecutive integers
AVFilterLink ** outputs
array of pointers to output links
#define CL_FAIL_ON_ERROR(errcode,...)
A helper macro to handle OpenCL errors.
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
static int program_opencl_load(AVFilterContext *avctx)
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 av_always_inline AVRational av_inv_q(AVRational q)
Invert a rational.
static int query_formats(AVFilterContext *ctx)
AVFilter ff_vf_program_opencl
void ff_opencl_filter_uninit(AVFilterContext *avctx)
Uninitialise an OpenCL filter context.
#define AVERROR_UNKNOWN
Unknown error, typically from an external library.
Completely stop all streams with this one.
#define AVFILTER_DEFINE_CLASS(fname)
cl_context context
The OpenCL context which will contain all operations and frames on this device.
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
int ff_framesync_get_frame(FFFrameSync *fs, unsigned in, AVFrame **rframe, unsigned get)
Get the current frame in an input.
static int program_opencl_filter(FFFrameSync *fs)
AVPixelFormat
Pixel format.
const AVFilter * filter
the AVFilter of which this is an instance
static int program_opencl_config_output(AVFilterLink *outlink)
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
void * av_mallocz_array(size_t nmemb, size_t size)
static int ff_insert_inpad(AVFilterContext *f, unsigned index, AVFilterPad *p)
Insert a new input pad for the filter.