Go to the documentation of this file.
42 #define OFFSET(x) offsetof(QSVOverlayContext, x)
43 #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM)
88 {
"eof_action",
"Action to take when encountering EOF from secondary input ",
109 #define PASS_EXPR(e, s) {\
110 ret = av_expr_parse(&e, s, var_names, NULL, NULL, NULL, NULL, 0, ctx); \
112 av_log(ctx, AV_LOG_ERROR, "Error when passing '%s'.\n", s);\
180 mfxVPPCompInputStream *st = &vpp->
comp_conf.InputStream[0];
194 st->GlobalAlphaEnable = 0;
195 st->PixelAlphaEnable = 0;
204 mfxVPPCompInputStream *st = &vpp->
comp_conf.InputStream[1];
222 st->GlobalAlphaEnable = (st->GlobalAlpha < 255);
235 for (
i = 0;
i <
ctx->nb_inputs;
i++) {
260 for (
i = 0;
i <
ctx->nb_inputs;
i++) {
264 in->
sync =
i ? 1 : 2;
292 if (hw_frame0->
device_ctx != hw_frame1->device_ctx) {
331 vpp->
comp_conf.Header.BufferId = MFX_EXTBUFF_VPP_COMPOSITE;
390 for (
i = 0;
i <
ctx->nb_inputs;
i++) {
427 .
name =
"overlay_qsv",
430 .
preinit = overlay_qsv_framesync_preinit,
437 .priv_class = &overlay_qsv_class,
static int config_output(AVFilterLink *outlink)
double var_values[VAR_VARS_NB]
static int overlay_qsv_query_formats(const AVFilterContext *ctx, AVFilterFormatsConfig **cfg_in, AVFilterFormatsConfig **cfg_out)
AVRational time_base
Time base for the incoming frames.
int ff_framesync_configure(FFFrameSync *fs)
Configure a frame sync structure.
AVPixelFormat
Pixel format.
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
void ff_framesync_uninit(FFFrameSync *fs)
Free all memory currently allocated.
enum AVPixelFormat out_sw_format
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
uint8_t * data
The data buffer.
FRAMESYNC_DEFINE_CLASS(overlay_qsv, QSVOverlayContext, fs)
int ff_framesync_get_frame(FFFrameSync *fs, unsigned in, AVFrame **rframe, unsigned get)
Get the current frame in an input.
static const char *const var_names[]
AVFrame * ff_qsvvpp_get_video_buffer(AVFilterLink *inlink, int w, int h)
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 process_frame(FFFrameSync *fs)
#define FILTER_INPUTS(array)
This structure describes decoded (raw) audio or video data.
static av_cold int preinit(AVFilterContext *ctx)
const char * name
Filter name.
@ EXT_INFINITY
Extend the frame to infinity.
A link between two filters.
Link properties exposed to filter code, but not external callers.
static int config_overlay_input(AVFilterLink *inlink)
static const AVOption overlay_qsv_options[]
@ EXT_STOP
Completely stop all streams with this one.
static int overlay_qsv_init(AVFilterContext *ctx)
static int activate(AVFilterContext *ctx)
void * priv
private data for use by the filter
unsigned sync
Synchronization level: frames on input at the highest sync level will generate output frame events.
void av_expr_free(AVExpr *e)
Free a parsed expression previously created with av_expr_parse().
A filter pad used for either input or output.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
uint16_t overlay_pixel_alpha
static enum AVPixelFormat pix_fmt
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
#define AV_PIX_FMT_FLAG_ALPHA
The pixel format has an alpha channel.
double av_expr_eval(AVExpr *e, const double *const_values, void *opaque)
Evaluate a previously parsed expression.
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq)
Rescale a 64-bit integer by 2 rational numbers.
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
#define FILTER_OUTPUTS(array)
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 init_framesync(AVFilterContext *ctx)
int ff_qsvvpp_close(AVFilterContext *avctx)
enum AVPixelFormat sw_format
The pixel format identifying the actual data layout of the hardware frames.
#define fs(width, name, subs,...)
@ AV_PIX_FMT_YUYV422
packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr
static int eval_expr(AVFilterContext *ctx)
@ AV_PIX_FMT_QSV
HW acceleration through QSV, data[3] contains a pointer to the mfxFrameSurface1 structure.
static FilterLink * ff_filter_link(AVFilterLink *link)
#define FF_FILTER_FLAG_HWFRAME_AWARE
The filter is aware of hardware frames, and any hardware frame context should not be automatically pr...
int ff_qsvvpp_filter_frame(QSVVPPContext *s, AVFilterLink *inlink, AVFrame *picref, AVFrame *propref)
int(* init)(AVBSFContext *ctx)
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
static const AVFilterPad overlay_qsv_inputs[]
#define AVFILTER_FLAG_HWDEVICE
The filter can create hardware frames using AVFilterContext.hw_device_ctx.
int format
agreed upon media format
static const AVFilterPad overlay_qsv_outputs[]
static int config_main_input(AVFilterLink *inlink)
mfxExtVPPComposite comp_conf
int format
format of the frame, -1 if unknown or unset Values correspond to enum AVPixelFormat for video frames,...
AVFilterContext * src
source filter
static int have_alpha_planar(AVFilterLink *link)
const AVFilter ff_vf_overlay_qsv
AVBufferRef * hw_frames_ctx
For hwaccel pixel formats, this should be a reference to the AVHWFramesContext describing the frames.
static void uninit(AVBSFContext *ctx)
#define i(width, name, range_min, range_max)
static int filter_callback(AVFilterLink *outlink, AVFrame *frame)
#define FF_INLINK_IDX(link)
Find the index of a link.
int w
agreed upon image width
static const char overlay_alpha[]
static enum AVPixelFormat out_pix_fmts[]
#define FILTER_QUERY_FUNC2(func)
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
static av_always_inline AVRational av_inv_q(AVRational q)
Invert a rational.
int(* filter_frame)(AVFilterLink *outlink, AVFrame *frame)
int ff_qsvvpp_init(AVFilterContext *avctx, QSVVPPParam *param)
const char * name
Pad name.
void * av_calloc(size_t nmemb, size_t size)
This struct describes a set or pool of "hardware" frames (i.e.
@ AV_PIX_FMT_NV12
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
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 the filter must be ready for frames arriving randomly on any input any filter with several inputs will most likely require some kind of queuing mechanism It is perfectly acceptable to have a limited queue and to drop frames when the inputs are too unbalanced request_frame For filters that do not use the this method is called when a frame is wanted on an output For a it should directly call filter_frame on the corresponding output For a if there are queued frames already one of these frames should be pushed If the filter should request a frame on one of its repeatedly until at least one frame has been pushed Return or at least make progress towards producing a frame
AVHWDeviceContext * device_ctx
The parent AVHWDeviceContext.
int ff_framesync_init(FFFrameSync *fs, AVFilterContext *parent, unsigned nb_in)
Initialize a frame sync structure.
enum FFFrameSyncExtMode before
Extrapolation mode for timestamps before the first frame.
int h
agreed upon image height
@ AV_OPT_TYPE_INT
Underlying C type is int.
AVRational time_base
Define the time base used by the PTS of the frames/samples which will pass through this link.
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
@ AV_OPT_TYPE_BOOL
Underlying C type is int.
enum FFFrameSyncExtMode after
Extrapolation mode for timestamps after the last frame.
AVRational frame_rate
Frame rate of the stream on the link, or 1/0 if unknown or variable.
int ff_framesync_activate(FFFrameSync *fs)
Examine the frames in the filter's input and try to produce output.
@ AV_OPT_TYPE_STRING
Underlying C type is a uint8_t* that is either NULL or points to a C string allocated with the av_mal...
static av_cold void overlay_qsv_uninit(AVFilterContext *ctx)
@ AV_OPT_TYPE_CONST
Special option type for declaring named constants.
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.