51 #define OFFSET(x) offsetof(MergePlanesContext, x)
52 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
70 av_log(ctx,
AV_LOG_ERROR,
"Only planar formats with more than one component are supported.\n");
76 s->
map[i][0] = m & 0xf;
78 s->
map[i][1] = m & 0xf;
81 if (s->
map[i][0] > 3 || s->
map[i][1] > 3) {
156 const int input = s->
map[i][1];
206 "does not match output link %s SAR %d:%d\n",
236 const int input = s->
map[i][1];
247 "match input %d plane %d depth %d\n",
249 input, plane, inputp->
depth[plane]);
254 "match input %d plane %d width %d\n",
261 "match input %d plane %d height %d\n",
300 .
name =
"mergeplanes",
303 .priv_class = &mergeplanes_class,
309 .
outputs = mergeplanes_outputs,
static int config_output(AVFilterLink *outlink)
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
This structure describes decoded (raw) audio or video data.
static const AVOption mergeplanes_options[]
static av_cold int init(AVFilterContext *ctx)
static int query_formats(AVFilterContext *ctx)
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
Main libavfilter public API header.
int h
agreed upon image height
int(* on_event)(struct FFFrameSync *fs)
Callback called when a frame event is ready.
#define AVFILTER_FLAG_DYNAMIC_INPUTS
The number of the filter inputs is not determined just by AVFilter.inputs.
AVFilter ff_vf_mergeplanes
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.
int64_t pts
Timestamp of the current event.
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
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
#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.
AVFilterPad * output_pads
array of output pads
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
enum AVPixelFormat out_fmt
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
FFFrameSyncIn * in
Pointer to array of inputs.
enum FFFrameSyncExtMode after
Extrapolation mode for timestamps after the last frame.
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.
AVFilterPad * input_pads
array of input pads
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
void ff_framesync_uninit(FFFrameSync *fs)
Free all memory currently allocated.
static av_cold void uninit(AVFilterContext *ctx)
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
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.
AVFilterFormats * in_formats
Lists of formats and channel layouts supported by the input and output filters respectively.
static int activate(AVFilterContext *ctx)
int w
agreed upon image width
char * av_asprintf(const char *fmt,...)
uint64_t flags
Combination of AV_PIX_FMT_FLAG_...
const AVPixFmtDescriptor * outdesc
uint8_t nb_components
The number of components each pixel has, (1-4)
unsigned nb_inputs
number of input pads
AVRational time_base
Time base for the output events.
AVFilterContext * src
source filter
static const AVFilterPad outputs[]
void * opaque
Opaque pointer, not used by the API.
int format
agreed upon media format
static const AVFilterPad inputs[]
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
int ff_framesync_init(FFFrameSync *fs, AVFilterContext *parent, unsigned nb_in)
Initialize a frame sync structure.
static int process_frame(FFFrameSync *fs)
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31))))#defineSET_CONV_FUNC_GROUP(ofmt, ifmt) staticvoidset_generic_function(AudioConvert *ac){}voidff_audio_convert_free(AudioConvert **ac){if(!*ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, intsample_rate, intapply_map){AudioConvert *ac;intin_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) returnNULL;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);returnNULL;}returnac;}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;}elseif(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;elseac->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);returnac;}intff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){intuse_generic=1;intlen=in->nb_samples;intp;if(ac->dc){av_log(ac->avr, AV_LOG_TRACE,"%dsamples-audio_convert:%sto%s(dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));returnff_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.
const char * name
Filter name.
AVRational sample_aspect_ratio
agreed upon sample aspect ratio
AVFilterLink ** outputs
array of pointers to output links
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
static const AVFilterPad mergeplanes_outputs[]
AVFILTER_DEFINE_CLASS(mergeplanes)
#define AV_PIX_FMT_FLAG_BE
Pixel format is big-endian.
Completely stop all streams with this one.
void av_image_copy_plane(uint8_t *dst, int dst_linesize, const uint8_t *src, int src_linesize, int bytewidth, int height)
Copy image plane from src to dst.
int ff_framesync_get_frame(FFFrameSync *fs, unsigned in, AVFrame **rframe, unsigned get)
Get the current frame in an input.
int depth
Number of bits in the component.
AVPixelFormat
Pixel format.
#define AV_PIX_FMT_FLAG_PLANAR
At least one pixel component is not in the first data plane.
AVFilterFormats * out_formats
#define AV_CEIL_RSHIFT(a, b)
static int ff_insert_inpad(AVFilterContext *f, unsigned index, AVFilterPad *p)
Insert a new input pad for the filter.