79 const char *kernel_name;
82 if (main_format != xfade_format) {
89 main_planes =
FFMAX(main_planes,
92 ctx->nb_planes = main_planes;
102 ctx->command_queue = clCreateCommandQueue(
ctx->ocf.hwctx->context,
103 ctx->ocf.hwctx->device_id,
106 "command queue %d.\n", cle);
108 switch (
ctx->transition) {
109 case CUSTOM: kernel_name =
ctx->kernel_name;
break;
110 case FADE: kernel_name =
"fade";
break;
111 case WIPELEFT: kernel_name =
"wipeleft";
break;
112 case WIPERIGHT: kernel_name =
"wiperight";
break;
113 case WIPEUP: kernel_name =
"wipeup";
break;
114 case WIPEDOWN: kernel_name =
"wipedown";
break;
115 case SLIDELEFT: kernel_name =
"slideleft";
break;
116 case SLIDERIGHT: kernel_name =
"slideright";
break;
117 case SLIDEUP: kernel_name =
"slideup";
break;
118 case SLIDEDOWN: kernel_name =
"slidedown";
break;
124 ctx->kernel = clCreateKernel(
ctx->ocf.program, kernel_name, &cle);
127 ctx->initialised = 1;
132 if (
ctx->command_queue)
133 clReleaseCommandQueue(
ctx->command_queue);
135 clReleaseKernel(
ctx->kernel);
145 cl_float progress =
av_clipf(1.f - ((cl_float)(
ctx->pts -
ctx->first_pts -
ctx->offset_pts) /
ctx->duration_pts), 0.f, 1.f);
146 size_t global_work[2];
150 if (!
ctx->initialised) {
157 xfade_fc->sw_format);
168 for (plane = 0; plane <
ctx->nb_planes; plane++) {
172 mem = (cl_mem)output->
data[plane];
176 mem = (cl_mem)
ctx->xf[0]->data[plane];
180 mem = (cl_mem)
ctx->xf[1]->data[plane];
192 cle = clEnqueueNDRangeKernel(
ctx->command_queue,
ctx->kernel, 2,
NULL,
195 "for plane %d: %d.\n", plane, cle);
198 cle = clFinish(
ctx->command_queue);
226 if (inlink0->
w != inlink1->
w || inlink0->
h != inlink1->
h) {
228 "(size %dx%d) do not match the corresponding "
229 "second input link %s parameters (size %dx%d)\n",
238 "(%d/%d) do not match the corresponding "
239 "second input link %s timebase (%d/%d)\n",
269 if (
ctx->xfade_is_over) {
273 }
else if (ret > 0) {
274 in->pts = (
in->pts -
ctx->last_pts) +
ctx->pts;
291 ctx->first_pts =
ctx->xf[0]->pts;
293 ctx->pts =
ctx->xf[0]->pts;
294 if (
ctx->first_pts +
ctx->offset_pts >
ctx->xf[0]->pts) {
296 ctx->need_second = 0;
301 ctx->need_second = 1;
309 ctx->last_pts =
ctx->xf[1]->pts;
310 ctx->pts =
ctx->xf[0]->pts;
311 if (
ctx->xf[0]->pts - (
ctx->first_pts +
ctx->offset_pts) >
ctx->duration_pts)
312 ctx->xfade_is_over = 1;
328 ctx->xfade_is_over = 1;
333 if (!
ctx->eof[0] && !
ctx->xf[0])
335 if (!
ctx->eof[1] && (
ctx->need_second ||
ctx->eof[0]))
337 if (
ctx->eof[0] &&
ctx->eof[1] && (
353 cle = clReleaseKernel(
ctx->kernel);
354 if (cle != CL_SUCCESS)
356 "kernel: %d.\n", cle);
359 if (
ctx->command_queue) {
360 cle = clReleaseCommandQueue(
ctx->command_queue);
361 if (cle != CL_SUCCESS)
363 "command queue: %d.\n", cle);
373 return s->xfade_is_over || !
s->need_second ?
378 #define OFFSET(x) offsetof(XFadeOpenCLContext, x)
379 #define FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)
428 .
name =
"xfade_opencl",
431 .priv_class = &xfade_opencl_class,
static int query_formats(AVFilterContext *ctx)
static const AVFilterPad inputs[]
static const AVFilterPad outputs[]
static int activate(AVFilterContext *ctx)
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
AVFrame * ff_inlink_peek_frame(AVFilterLink *link, size_t idx)
Access a frame in the link fifo without consuming it.
int ff_outlink_get_status(AVFilterLink *link)
Get the status on an output link.
int ff_inlink_acknowledge_status(AVFilterLink *link, int *rstatus, int64_t *rpts)
Test and acknowledge the change of status on the link.
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
size_t ff_inlink_queued_frames(AVFilterLink *link)
Get the number of frames available on the link.
void ff_filter_set_ready(AVFilterContext *filter, unsigned priority)
Mark a filter ready and schedule it for activation.
int ff_inlink_consume_frame(AVFilterLink *link, AVFrame **rframe)
Take a frame from the link's FIFO and update the link's stats.
void ff_inlink_request_frame(AVFilterLink *link)
Mark that a frame is wanted on the link.
Main libavfilter public API header.
static av_cold int init(AVCodecContext *avctx)
static av_cold int uninit(AVCodecContext *avctx)
static void ff_outlink_set_status(AVFilterLink *link, int status, int64_t pts)
Set the status field of a link from the source filter.
#define FFERROR_NOT_READY
Filters implementation helper functions.
#define FF_FILTER_FORWARD_STATUS_BACK_ALL(outlink, filter)
Forward the status on an output link to all input links.
static int ff_outlink_frame_wanted(AVFilterLink *link)
Test if a frame is wanted on an output link.
#define AVERROR_BUG
Internal bug, also see AVERROR_BUG2.
#define AVERROR_EOF
End of file.
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq)
Rescale a 64-bit integer by 2 rational numbers.
#define AV_NOPTS_VALUE
Undefined timestamp value.
#define AV_TIME_BASE_Q
Internal time base represented as fractional value.
#define FF_FILTER_FLAG_HWFRAME_AWARE
The filter is aware of hardware frames, and any hardware frame context should not be automatically pr...
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Memory handling functions.
void ff_opencl_filter_uninit(AVFilterContext *avctx)
Uninitialise an OpenCL filter context.
int ff_opencl_filter_load_program(AVFilterContext *avctx, const char **program_source_array, int nb_strings)
Load a new OpenCL program from strings in memory.
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_init(AVFilterContext *avctx)
Initialise an OpenCL filter context.
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_output(AVFilterLink *outlink)
Create a suitable hardware frames context for the output.
int ff_opencl_filter_query_formats(AVFilterContext *avctx)
Return that all inputs and outputs support only AV_PIX_FMT_OPENCL.
int ff_opencl_filter_load_program_from_file(AVFilterContext *avctx, const char *filename)
Load a new OpenCL program from a file.
#define CL_SET_KERNEL_ARG(kernel, arg_num, type, arg)
set argument to specific Kernel.
#define CL_FAIL_ON_ERROR(errcode,...)
A helper macro to handle OpenCL errors.
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
AVPixelFormat
Pixel format.
int plane
Which of the 4 planes contains the component.
AVFilterLink ** inputs
array of pointers to input links
AVFilterPad * input_pads
array of input pads
void * priv
private data for use by the filter
AVFilterLink ** outputs
array of pointers to output links
A link between two filters.
int w
agreed upon image width
int h
agreed upon image height
AVFilterContext * src
source filter
AVRational time_base
Define the time base used by the PTS of the frames/samples which will pass through this link.
AVRational sample_aspect_ratio
agreed upon sample aspect ratio
AVRational frame_rate
Frame rate of the stream on the link, or 1/0 if unknown or variable; if left to 0/0,...
AVFilterContext * dst
dest filter
A filter pad used for either input or output.
const char * name
Pad name.
const char * name
Filter name.
int64_t duration
Duration of the stream, in AV_TIME_BASE fractional seconds.
This structure describes decoded (raw) audio or video data.
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
This struct describes a set or pool of "hardware" frames (i.e.
enum AVPixelFormat sw_format
The pixel format identifying the actual data layout of the hardware frames.
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
uint8_t nb_components
The number of components each pixel has, (1-4)
cl_command_queue command_queue
static const uint8_t offset[127][2]
static const AVOption xfade_opencl_options[]
static int xfade_frame(AVFilterContext *avctx, AVFrame *a, AVFrame *b)
static int xfade_opencl_config_output(AVFilterLink *outlink)
AVFILTER_DEFINE_CLASS(xfade_opencl)
static const AVFilterPad xfade_opencl_inputs[]
static int xfade_opencl_load(AVFilterContext *avctx, enum AVPixelFormat main_format, enum AVPixelFormat xfade_format)
static const AVFilterPad xfade_opencl_outputs[]
static int xfade_opencl_activate(AVFilterContext *avctx)
static AVFrame * get_video_buffer(AVFilterLink *inlink, int w, int h)
AVFilter ff_vf_xfade_opencl
static av_cold void xfade_opencl_uninit(AVFilterContext *avctx)
AVFrame * ff_null_get_video_buffer(AVFilterLink *link, int w, int h)
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
AVFrame * ff_default_get_video_buffer(AVFilterLink *link, int w, int h)
const char * ff_opencl_source_xfade