45 #define OFFSET(x) offsetof(QSVOverlayContext, x) 46 #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM) 92 {
"eof_action",
"Action to take when encountering EOF from secondary input ",
113 #define PASS_EXPR(e, s) {\ 114 ret = av_expr_parse(&e, s, var_names, NULL, NULL, NULL, NULL, 0, ctx); \ 116 av_log(ctx, AV_LOG_ERROR, "Error when passing '%s'.\n", s);\ 183 mfxVPPCompInputStream *st = &vpp->
comp_conf.InputStream[0];
195 st->DstW = inlink->
w;
196 st->DstH = inlink->
h;
197 st->GlobalAlphaEnable = 0;
198 st->PixelAlphaEnable = 0;
207 mfxVPPCompInputStream *st = &vpp->
comp_conf.InputStream[1];
225 st->GlobalAlphaEnable = (st->GlobalAlpha < 255);
242 if (ret < 0 && ret !=
AVERROR(EAGAIN))
264 in->
sync = i ? 1 : 2;
282 av_log(ctx,
AV_LOG_ERROR,
"Mixing hardware and software pixel formats is not supported.\n");
288 if (hw_frame0->
device_ctx != hw_frame1->device_ctx) {
289 av_log(ctx,
AV_LOG_ERROR,
"Inputs with different underlying QSV devices are forbidden.\n");
326 vpp->
comp_conf.Header.BufferId = MFX_EXTBUFF_VPP_COMPOSITE;
420 .
name =
"overlay_qsv",
424 .preinit = overlay_qsv_framesync_preinit,
428 .
inputs = overlay_qsv_inputs,
429 .
outputs = overlay_qsv_outputs,
430 .priv_class = &overlay_qsv_class,
#define FF_FILTER_FLAG_HWFRAME_AWARE
The filter is aware of hardware frames, and any hardware frame context should not be automatically pr...
static enum AVPixelFormat pix_fmt
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
static int activate(AVFilterContext *ctx)
This structure describes decoded (raw) audio or video data.
static int overlay_qsv_init(AVFilterContext *ctx)
Main libavfilter public API header.
static av_cold int init(AVCodecContext *avctx)
static int eval_expr(AVFilterContext *ctx)
int h
agreed upon image height
int ff_framesync_configure(FFFrameSync *fs)
Configure a frame sync structure.
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
AVFilterFormatsConfig outcfg
Lists of supported formats / etc.
static int config_output(AVFilterLink *outlink)
int64_t pts
Timestamp of the current event.
enum FFFrameSyncExtMode before
Extrapolation mode for timestamps before the first frame.
const char * name
Pad name.
AVFilterContext * parent
Parent filter context.
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.
int ff_qsvvpp_create(AVFilterContext *avctx, QSVVPPContext **vpp, QSVVPPParam *param)
#define AV_PIX_FMT_FLAG_ALPHA
The pixel format has an alpha channel.
static av_cold int uninit(AVCodecContext *avctx)
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 overlay_qsv_query_formats(AVFilterContext *ctx)
enum FFFrameSyncExtMode after
Extrapolation mode for timestamps after the last frame.
static const AVOption overlay_qsv_options[]
A filter pad used for either input or output.
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq)
Rescale a 64-bit integer by 2 rational numbers.
A link between two filters.
FRAMESYNC_DEFINE_CLASS(overlay_qsv, QSVOverlayContext, fs)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
void ff_framesync_uninit(FFFrameSync *fs)
Free all memory currently allocated.
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.
#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.
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
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().
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.
static av_cold void overlay_qsv_uninit(AVFilterContext *ctx)
static int filter_callback(AVFilterLink *outlink, AVFrame *frame)
int w
agreed upon image width
uint64_t flags
Combination of AV_PIX_FMT_FLAG_...
mfxExtVPPComposite comp_conf
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
unsigned nb_inputs
number of input pads
AVBufferRef * hw_frames_ctx
For hwaccel pixel formats, this should be a reference to the AVHWFramesContext describing the frames...
static const AVFilterPad overlay_qsv_outputs[]
AVHWDeviceContext * device_ctx
The parent AVHWDeviceContext.
AVRational time_base
Time base for the output events.
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
static int init_framesync(AVFilterContext *ctx)
AVFilterContext * src
source filter
void * opaque
Opaque pointer, not used by the API.
static const AVFilterPad outputs[]
int format
agreed upon media format
Extend the frame to infinity.
void av_expr_free(AVExpr *e)
Free a parsed expression previously created with av_expr_parse().
int ff_framesync_init(FFFrameSync *fs, AVFilterContext *parent, unsigned nb_in)
Initialize a frame sync structure.
int ff_qsvvpp_filter_frame(QSVVPPContext *s, AVFilterLink *inlink, AVFrame *picref)
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.
packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr
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...
Describe the class of an AVClass context structure.
int ff_qsvvpp_free(QSVVPPContext **vpp)
This struct describes a set or pool of "hardware" frames (i.e.
HW acceleration through QSV, data[3] contains a pointer to the mfxFrameSurface1 structure.
static int config_overlay_input(AVFilterLink *inlink)
const char * name
Filter name.
static int process_frame(FFFrameSync *fs)
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
AVFilterLink ** outputs
array of pointers to output links
AVFilter ff_vf_overlay_qsv
static const AVFilterPad overlay_qsv_inputs[]
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
#define FF_INLINK_IDX(link)
Find the index of a link.
static av_always_inline AVRational av_inv_q(AVRational q)
Invert a rational.
static int have_alpha_planar(AVFilterLink *link)
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
static int query_formats(AVFilterContext *ctx)
common internal and external API header
double var_values[VAR_VARS_NB]
static enum AVPixelFormat out_pix_fmts[]
uint16_t overlay_pixel_alpha
AVFilterFormatsConfig incfg
Lists of supported formats / etc.
Completely stop all streams with this one.
static const char *const var_names[]
static int config_main_input(AVFilterLink *inlink)
double av_expr_eval(AVExpr *e, const double *const_values, void *opaque)
Evaluate a previously parsed expression.
AVFilterContext * dst
dest filter
enum AVPixelFormat out_sw_format
Intel Quick Sync Video VPP base function.
int(* filter_frame)(AVFilterLink *outlink, AVFrame *frame)
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.
enum AVPixelFormat sw_format
The pixel format identifying the actual data layout of the hardware frames.
AVPixelFormat
Pixel format.
simple arithmetic expression evaluator
void * av_mallocz_array(size_t nmemb, size_t size)