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// Targeted by JavaCPP version 1.4.2: DO NOT EDIT THIS FILE
package org.bytedeco.javacpp;
import java.nio.*;
import org.bytedeco.javacpp.*;
import org.bytedeco.javacpp.annotation.*;
import static org.bytedeco.javacpp.avutil.*;
import static org.bytedeco.javacpp.swresample.*;
import static org.bytedeco.javacpp.avcodec.*;
import static org.bytedeco.javacpp.avformat.*;
import static org.bytedeco.javacpp.postproc.*;
import static org.bytedeco.javacpp.swscale.*;
public class avfilter extends org.bytedeco.javacpp.presets.avfilter {
static { Loader.load(); }
// Parsed from
/*
* filter layer
* Copyright (c) 2007 Bobby Bingham
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
// #ifndef AVFILTER_AVFILTER_H
// #define AVFILTER_AVFILTER_H
/**
* \file
* \ingroup lavfi
* Main libavfilter public API header
*/
/**
* \defgroup lavfi libavfilter
* Graph-based frame editing library.
*
* \{
*/
// #include
// #include "libavutil/attributes.h"
// #include "libavutil/avutil.h"
// #include "libavutil/buffer.h"
// #include "libavutil/dict.h"
// #include "libavutil/frame.h"
// #include "libavutil/log.h"
// #include "libavutil/samplefmt.h"
// #include "libavutil/pixfmt.h"
// #include "libavutil/rational.h"
// #include "libavfilter/version.h"
/**
* Return the LIBAVFILTER_VERSION_INT constant.
*/
@NoException public static native @Cast("unsigned") int avfilter_version();
/**
* Return the libavfilter build-time configuration.
*/
@NoException public static native @Cast("const char*") BytePointer avfilter_configuration();
/**
* Return the libavfilter license.
*/
@NoException public static native @Cast("const char*") BytePointer avfilter_license();
@Opaque public static class AVFilterPad extends Pointer {
/** Empty constructor. Calls {@code super((Pointer)null)}. */
public AVFilterPad() { super((Pointer)null); }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public AVFilterPad(Pointer p) { super(p); }
}
@Opaque public static class AVFilterFormats extends Pointer {
/** Empty constructor. Calls {@code super((Pointer)null)}. */
public AVFilterFormats() { super((Pointer)null); }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public AVFilterFormats(Pointer p) { super(p); }
}
/**
* Get the number of elements in a NULL-terminated array of AVFilterPads (e.g.
* AVFilter.inputs/outputs).
*/
@NoException public static native int avfilter_pad_count(@Const AVFilterPad pads);
/**
* Get the name of an AVFilterPad.
*
* @param pads an array of AVFilterPads
* @param pad_idx index of the pad in the array it; is the caller's
* responsibility to ensure the index is valid
*
* @return name of the pad_idx'th pad in pads
*/
@NoException public static native @Cast("const char*") BytePointer avfilter_pad_get_name(@Const AVFilterPad pads, int pad_idx);
/**
* Get the type of an AVFilterPad.
*
* @param pads an array of AVFilterPads
* @param pad_idx index of the pad in the array; it is the caller's
* responsibility to ensure the index is valid
*
* @return type of the pad_idx'th pad in pads
*/
@NoException public static native @Cast("AVMediaType") int avfilter_pad_get_type(@Const AVFilterPad pads, int pad_idx);
/**
* The number of the filter inputs is not determined just by AVFilter.inputs.
* The filter might add additional inputs during initialization depending on the
* options supplied to it.
*/
public static final int AVFILTER_FLAG_DYNAMIC_INPUTS = (1 << 0);
/**
* The number of the filter outputs is not determined just by AVFilter.outputs.
* The filter might add additional outputs during initialization depending on
* the options supplied to it.
*/
public static final int AVFILTER_FLAG_DYNAMIC_OUTPUTS = (1 << 1);
/**
* The filter supports multithreading by splitting frames into multiple parts
* and processing them concurrently.
*/
public static final int AVFILTER_FLAG_SLICE_THREADS = (1 << 2);
/**
* Some filters support a generic "enable" expression option that can be used
* to enable or disable a filter in the timeline. Filters supporting this
* option have this flag set. When the enable expression is false, the default
* no-op filter_frame() function is called in place of the filter_frame()
* callback defined on each input pad, thus the frame is passed unchanged to
* the next filters.
*/
public static final int AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC = (1 << 16);
/**
* Same as AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC, except that the filter will
* have its filter_frame() callback(s) called as usual even when the enable
* expression is false. The filter will disable filtering within the
* filter_frame() callback(s) itself, for example executing code depending on
* the AVFilterContext->is_disabled value.
*/
public static final int AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL = (1 << 17);
/**
* Handy mask to test whether the filter supports or no the timeline feature
* (internally or generically).
*/
public static final int AVFILTER_FLAG_SUPPORT_TIMELINE = (AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL);
/**
* Filter definition. This defines the pads a filter contains, and all the
* callback functions used to interact with the filter.
*/
public static class AVFilter extends Pointer {
static { Loader.load(); }
/** Default native constructor. */
public AVFilter() { super((Pointer)null); allocate(); }
/** Native array allocator. Access with {@link Pointer#position(long)}. */
public AVFilter(long size) { super((Pointer)null); allocateArray(size); }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public AVFilter(Pointer p) { super(p); }
private native void allocate();
private native void allocateArray(long size);
@Override public AVFilter position(long position) {
return (AVFilter)super.position(position);
}
/**
* Filter name. Must be non-NULL and unique among filters.
*/
@MemberGetter public native @Cast("const char*") BytePointer name();
/**
* A description of the filter. May be NULL.
*
* You should use the NULL_IF_CONFIG_SMALL() macro to define it.
*/
@MemberGetter public native @Cast("const char*") BytePointer description();
/**
* List of inputs, terminated by a zeroed element.
*
* NULL if there are no (static) inputs. Instances of filters with
* AVFILTER_FLAG_DYNAMIC_INPUTS set may have more inputs than present in
* this list.
*/
@MemberGetter public native @Const AVFilterPad inputs();
/**
* List of outputs, terminated by a zeroed element.
*
* NULL if there are no (static) outputs. Instances of filters with
* AVFILTER_FLAG_DYNAMIC_OUTPUTS set may have more outputs than present in
* this list.
*/
@MemberGetter public native @Const AVFilterPad outputs();
/**
* A class for the private data, used to declare filter private AVOptions.
* This field is NULL for filters that do not declare any options.
*
* If this field is non-NULL, the first member of the filter private data
* must be a pointer to AVClass, which will be set by libavfilter generic
* code to this class.
*/
@MemberGetter public native @Const AVClass priv_class();
/**
* A combination of AVFILTER_FLAG_*
*/
public native int flags(); public native AVFilter flags(int flags);
/*****************************************************************
* All fields below this line are not part of the public API. They
* may not be used outside of libavfilter and can be changed and
* removed at will.
* New public fields should be added right above.
*****************************************************************
*/
/**
* Filter pre-initialization function
*
* This callback will be called immediately after the filter context is
* allocated, to allow allocating and initing sub-objects.
*
* If this callback is not NULL, the uninit callback will be called on
* allocation failure.
*
* @return 0 on success,
* AVERROR code on failure (but the code will be
* dropped and treated as ENOMEM by the calling code)
*/
public static class Preinit_AVFilterContext extends FunctionPointer {
static { Loader.load(); }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public Preinit_AVFilterContext(Pointer p) { super(p); }
protected Preinit_AVFilterContext() { allocate(); }
private native void allocate();
public native int call(AVFilterContext ctx);
}
public native Preinit_AVFilterContext preinit(); public native AVFilter preinit(Preinit_AVFilterContext preinit);
/**
* Filter initialization function.
*
* This callback will be called only once during the filter lifetime, after
* all the options have been set, but before links between filters are
* established and format negotiation is done.
*
* Basic filter initialization should be done here. Filters with dynamic
* inputs and/or outputs should create those inputs/outputs here based on
* provided options. No more changes to this filter's inputs/outputs can be
* done after this callback.
*
* This callback must not assume that the filter links exist or frame
* parameters are known.
*
* \ref AVFilter.uninit "uninit" is guaranteed to be called even if
* initialization fails, so this callback does not have to clean up on
* failure.
*
* @return 0 on success, a negative AVERROR on failure
*/
public static class Init_AVFilterContext extends FunctionPointer {
static { Loader.load(); }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public Init_AVFilterContext(Pointer p) { super(p); }
protected Init_AVFilterContext() { allocate(); }
private native void allocate();
public native int call(AVFilterContext ctx);
}
public native Init_AVFilterContext init(); public native AVFilter init(Init_AVFilterContext init);
/**
* Should be set instead of \ref AVFilter.init "init" by the filters that
* want to pass a dictionary of AVOptions to nested contexts that are
* allocated during init.
*
* On return, the options dict should be freed and replaced with one that
* contains all the options which could not be processed by this filter (or
* with NULL if all the options were processed).
*
* Otherwise the semantics is the same as for \ref AVFilter.init "init".
*/
public static class Init_dict_AVFilterContext_PointerPointer extends FunctionPointer {
static { Loader.load(); }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public Init_dict_AVFilterContext_PointerPointer(Pointer p) { super(p); }
protected Init_dict_AVFilterContext_PointerPointer() { allocate(); }
private native void allocate();
public native int call(AVFilterContext ctx, @Cast("AVDictionary**") PointerPointer options);
}
public native Init_dict_AVFilterContext_PointerPointer init_dict(); public native AVFilter init_dict(Init_dict_AVFilterContext_PointerPointer init_dict);
/**
* Filter uninitialization function.
*
* Called only once right before the filter is freed. Should deallocate any
* memory held by the filter, release any buffer references, etc. It does
* not need to deallocate the AVFilterContext.priv memory itself.
*
* This callback may be called even if \ref AVFilter.init "init" was not
* called or failed, so it must be prepared to handle such a situation.
*/
public static class Uninit_AVFilterContext extends FunctionPointer {
static { Loader.load(); }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public Uninit_AVFilterContext(Pointer p) { super(p); }
protected Uninit_AVFilterContext() { allocate(); }
private native void allocate();
public native void call(AVFilterContext ctx);
}
public native Uninit_AVFilterContext uninit(); public native AVFilter uninit(Uninit_AVFilterContext uninit);
/**
* Query formats supported by the filter on its inputs and outputs.
*
* This callback is called after the filter is initialized (so the inputs
* and outputs are fixed), shortly before the format negotiation. This
* callback may be called more than once.
*
* This callback must set AVFilterLink.out_formats on every input link and
* AVFilterLink.in_formats on every output link to a list of pixel/sample
* formats that the filter supports on that link. For audio links, this
* filter must also set \ref AVFilterLink.in_samplerates "in_samplerates" /
* \ref AVFilterLink.out_samplerates "out_samplerates" and
* \ref AVFilterLink.in_channel_layouts "in_channel_layouts" /
* \ref AVFilterLink.out_channel_layouts "out_channel_layouts" analogously.
*
* This callback may be NULL for filters with one input, in which case
* libavfilter assumes that it supports all input formats and preserves
* them on output.
*
* @return zero on success, a negative value corresponding to an
* AVERROR code otherwise
*/
public static class Query_formats_AVFilterContext extends FunctionPointer {
static { Loader.load(); }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public Query_formats_AVFilterContext(Pointer p) { super(p); }
protected Query_formats_AVFilterContext() { allocate(); }
private native void allocate();
public native int call(AVFilterContext arg0);
}
public native Query_formats_AVFilterContext query_formats(); public native AVFilter query_formats(Query_formats_AVFilterContext query_formats);
/** size of private data to allocate for the filter */
public native int priv_size(); public native AVFilter priv_size(int priv_size);
/** Additional flags for avfilter internal use only. */
public native int flags_internal(); public native AVFilter flags_internal(int flags_internal);
/**
* Used by the filter registration system. Must not be touched by any other
* code.
*/
public native AVFilter next(); public native AVFilter next(AVFilter next);
/**
* Make the filter instance process a command.
*
* @param cmd the command to process, for handling simplicity all commands must be alphanumeric only
* @param arg the argument for the command
* @param res a buffer with size res_size where the filter(s) can return a response. This must not change when the command is not supported.
* @param flags if AVFILTER_CMD_FLAG_FAST is set and the command would be
* time consuming then a filter should treat it like an unsupported command
*
* @return >=0 on success otherwise an error code.
* AVERROR(ENOSYS) on unsupported commands
*/
public static class Process_command_AVFilterContext_BytePointer_BytePointer_BytePointer_int_int extends FunctionPointer {
static { Loader.load(); }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public Process_command_AVFilterContext_BytePointer_BytePointer_BytePointer_int_int(Pointer p) { super(p); }
protected Process_command_AVFilterContext_BytePointer_BytePointer_BytePointer_int_int() { allocate(); }
private native void allocate();
public native int call(AVFilterContext arg0, @Cast("const char*") BytePointer cmd, @Cast("const char*") BytePointer arg, @Cast("char*") BytePointer res, int res_len, int flags);
}
public native Process_command_AVFilterContext_BytePointer_BytePointer_BytePointer_int_int process_command(); public native AVFilter process_command(Process_command_AVFilterContext_BytePointer_BytePointer_BytePointer_int_int process_command);
/**
* Filter initialization function, alternative to the init()
* callback. Args contains the user-supplied parameters, opaque is
* used for providing binary data.
*/
public static class Init_opaque_AVFilterContext_Pointer extends FunctionPointer {
static { Loader.load(); }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public Init_opaque_AVFilterContext_Pointer(Pointer p) { super(p); }
protected Init_opaque_AVFilterContext_Pointer() { allocate(); }
private native void allocate();
public native int call(AVFilterContext ctx, Pointer opaque);
}
public native Init_opaque_AVFilterContext_Pointer init_opaque(); public native AVFilter init_opaque(Init_opaque_AVFilterContext_Pointer init_opaque);
/**
* Filter activation function.
*
* Called when any processing is needed from the filter, instead of any
* filter_frame and request_frame on pads.
*
* The function must examine inlinks and outlinks and perform a single
* step of processing. If there is nothing to do, the function must do
* nothing and not return an error. If more steps are or may be
* possible, it must use ff_filter_set_ready() to schedule another
* activation.
*/
public static class Activate_AVFilterContext extends FunctionPointer {
static { Loader.load(); }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public Activate_AVFilterContext(Pointer p) { super(p); }
protected Activate_AVFilterContext() { allocate(); }
private native void allocate();
public native int call(AVFilterContext ctx);
}
public native Activate_AVFilterContext activate(); public native AVFilter activate(Activate_AVFilterContext activate);
}
/**
* Process multiple parts of the frame concurrently.
*/
public static final int AVFILTER_THREAD_SLICE = (1 << 0);
@Opaque public static class AVFilterInternal extends Pointer {
/** Empty constructor. Calls {@code super((Pointer)null)}. */
public AVFilterInternal() { super((Pointer)null); }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public AVFilterInternal(Pointer p) { super(p); }
}
/** An instance of a filter */
public static class AVFilterContext extends Pointer {
static { Loader.load(); }
/** Default native constructor. */
public AVFilterContext() { super((Pointer)null); allocate(); }
/** Native array allocator. Access with {@link Pointer#position(long)}. */
public AVFilterContext(long size) { super((Pointer)null); allocateArray(size); }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public AVFilterContext(Pointer p) { super(p); }
private native void allocate();
private native void allocateArray(long size);
@Override public AVFilterContext position(long position) {
return (AVFilterContext)super.position(position);
}
/** needed for av_log() and filters common options */
@MemberGetter public native @Const AVClass av_class();
/** the AVFilter of which this is an instance */
@MemberGetter public native @Const AVFilter filter();
/** name of this filter instance */
public native @Cast("char*") BytePointer name(); public native AVFilterContext name(BytePointer name);
/** array of input pads */
public native AVFilterPad input_pads(); public native AVFilterContext input_pads(AVFilterPad input_pads);
/** array of pointers to input links */
public native AVFilterLink inputs(int i); public native AVFilterContext inputs(int i, AVFilterLink inputs);
public native @Cast("AVFilterLink**") PointerPointer inputs(); public native AVFilterContext inputs(PointerPointer inputs);
/** number of input pads */
public native @Cast("unsigned") int nb_inputs(); public native AVFilterContext nb_inputs(int nb_inputs);
/** array of output pads */
public native AVFilterPad output_pads(); public native AVFilterContext output_pads(AVFilterPad output_pads);
/** array of pointers to output links */
public native AVFilterLink outputs(int i); public native AVFilterContext outputs(int i, AVFilterLink outputs);
public native @Cast("AVFilterLink**") PointerPointer outputs(); public native AVFilterContext outputs(PointerPointer outputs);
/** number of output pads */
public native @Cast("unsigned") int nb_outputs(); public native AVFilterContext nb_outputs(int nb_outputs);
/** private data for use by the filter */
public native Pointer priv(); public native AVFilterContext priv(Pointer priv);
/** filtergraph this filter belongs to */
public native AVFilterGraph graph(); public native AVFilterContext graph(AVFilterGraph graph);
/**
* Type of multithreading being allowed/used. A combination of
* AVFILTER_THREAD_* flags.
*
* May be set by the caller before initializing the filter to forbid some
* or all kinds of multithreading for this filter. The default is allowing
* everything.
*
* When the filter is initialized, this field is combined using bit AND with
* AVFilterGraph.thread_type to get the final mask used for determining
* allowed threading types. I.e. a threading type needs to be set in both
* to be allowed.
*
* After the filter is initialized, libavfilter sets this field to the
* threading type that is actually used (0 for no multithreading).
*/
public native int thread_type(); public native AVFilterContext thread_type(int thread_type);
/**
* An opaque struct for libavfilter internal use.
*/
public native AVFilterInternal internal(); public native AVFilterContext internal(AVFilterInternal internal);
public native @Cast("AVFilterCommand*") Pointer command_queue(); public native AVFilterContext command_queue(Pointer command_queue);
/** enable expression string */
public native @Cast("char*") BytePointer enable_str(); public native AVFilterContext enable_str(BytePointer enable_str);
/** parsed expression (AVExpr*) */
public native Pointer enable(); public native AVFilterContext enable(Pointer enable);
/** variable values for the enable expression */
public native DoublePointer var_values(); public native AVFilterContext var_values(DoublePointer var_values);
/** the enabled state from the last expression evaluation */
public native int is_disabled(); public native AVFilterContext is_disabled(int is_disabled);
/**
* For filters which will create hardware frames, sets the device the
* filter should create them in. All other filters will ignore this field:
* in particular, a filter which consumes or processes hardware frames will
* instead use the hw_frames_ctx field in AVFilterLink to carry the
* hardware context information.
*/
public native AVBufferRef hw_device_ctx(); public native AVFilterContext hw_device_ctx(AVBufferRef hw_device_ctx);
/**
* Max number of threads allowed in this filter instance.
* If <= 0, its value is ignored.
* Overrides global number of threads set per filter graph.
*/
public native int nb_threads(); public native AVFilterContext nb_threads(int nb_threads);
/**
* Ready status of the filter.
* A non-0 value means that the filter needs activating;
* a higher value suggests a more urgent activation.
*/
public native @Cast("unsigned") int ready(); public native AVFilterContext ready(int ready);
/**
* Sets the number of extra hardware frames which the filter will
* allocate on its output links for use in following filters or by
* the caller.
*
* Some hardware filters require all frames that they will use for
* output to be defined in advance before filtering starts. For such
* filters, any hardware frame pools used for output must therefore be
* of fixed size. The extra frames set here are on top of any number
* that the filter needs internally in order to operate normally.
*
* This field must be set before the graph containing this filter is
* configured.
*/
public native int extra_hw_frames(); public native AVFilterContext extra_hw_frames(int extra_hw_frames);
}
/**
* A link between two filters. This contains pointers to the source and
* destination filters between which this link exists, and the indexes of
* the pads involved. In addition, this link also contains the parameters
* which have been negotiated and agreed upon between the filter, such as
* image dimensions, format, etc.
*
* Applications must not normally access the link structure directly.
* Use the buffersrc and buffersink API instead.
* In the future, access to the header may be reserved for filters
* implementation.
*/
public static class AVFilterLink extends Pointer {
static { Loader.load(); }
/** Default native constructor. */
public AVFilterLink() { super((Pointer)null); allocate(); }
/** Native array allocator. Access with {@link Pointer#position(long)}. */
public AVFilterLink(long size) { super((Pointer)null); allocateArray(size); }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public AVFilterLink(Pointer p) { super(p); }
private native void allocate();
private native void allocateArray(long size);
@Override public AVFilterLink position(long position) {
return (AVFilterLink)super.position(position);
}
/** source filter */
public native AVFilterContext src(); public native AVFilterLink src(AVFilterContext src);
/** output pad on the source filter */
public native AVFilterPad srcpad(); public native AVFilterLink srcpad(AVFilterPad srcpad);
/** dest filter */
public native AVFilterContext dst(); public native AVFilterLink dst(AVFilterContext dst);
/** input pad on the dest filter */
public native AVFilterPad dstpad(); public native AVFilterLink dstpad(AVFilterPad dstpad);
/** filter media type */
public native @Cast("AVMediaType") int type(); public native AVFilterLink type(int type);
/* These parameters apply only to video */
/** agreed upon image width */
public native int w(); public native AVFilterLink w(int w);
/** agreed upon image height */
public native int h(); public native AVFilterLink h(int h);
/** agreed upon sample aspect ratio */
public native @ByRef AVRational sample_aspect_ratio(); public native AVFilterLink sample_aspect_ratio(AVRational sample_aspect_ratio);
/* These parameters apply only to audio */
/** channel layout of current buffer (see libavutil/channel_layout.h) */
public native @Cast("uint64_t") long channel_layout(); public native AVFilterLink channel_layout(long channel_layout);
/** samples per second */
public native int sample_rate(); public native AVFilterLink sample_rate(int sample_rate);
/** agreed upon media format */
public native int format(); public native AVFilterLink format(int format);
/**
* Define the time base used by the PTS of the frames/samples
* which will pass through this link.
* During the configuration stage, each filter is supposed to
* change only the output timebase, while the timebase of the
* input link is assumed to be an unchangeable property.
*/
public native @ByRef AVRational time_base(); public native AVFilterLink time_base(AVRational time_base);
/*****************************************************************
* All fields below this line are not part of the public API. They
* may not be used outside of libavfilter and can be changed and
* removed at will.
* New public fields should be added right above.
*****************************************************************
*/
/**
* Lists of formats and channel layouts supported by the input and output
* filters respectively. These lists are used for negotiating the format
* to actually be used, which will be loaded into the format and
* channel_layout members, above, when chosen.
*
*/
public native AVFilterFormats in_formats(); public native AVFilterLink in_formats(AVFilterFormats in_formats);
public native AVFilterFormats out_formats(); public native AVFilterLink out_formats(AVFilterFormats out_formats);
/**
* Lists of channel layouts and sample rates used for automatic
* negotiation.
*/
public native AVFilterFormats in_samplerates(); public native AVFilterLink in_samplerates(AVFilterFormats in_samplerates);
public native AVFilterFormats out_samplerates(); public native AVFilterLink out_samplerates(AVFilterFormats out_samplerates);
public native @Cast("AVFilterChannelLayouts*") Pointer in_channel_layouts(); public native AVFilterLink in_channel_layouts(Pointer in_channel_layouts);
public native @Cast("AVFilterChannelLayouts*") Pointer out_channel_layouts(); public native AVFilterLink out_channel_layouts(Pointer out_channel_layouts);
/**
* Audio only, the destination filter sets this to a non-zero value to
* request that buffers with the given number of samples should be sent to
* it. AVFilterPad.needs_fifo must also be set on the corresponding input
* pad.
* Last buffer before EOF will be padded with silence.
*/
public native int request_samples(); public native AVFilterLink request_samples(int request_samples);
/** stage of the initialization of the link properties (dimensions, etc) */
/** enum AVFilterLink::init_state */
public static final int
/** not started */
AVLINK_UNINIT = 0,
/** started, but incomplete */
AVLINK_STARTINIT = 1,
/** complete */
AVLINK_INIT = 2;
/**
* Graph the filter belongs to.
*/
public native AVFilterGraph graph(); public native AVFilterLink graph(AVFilterGraph graph);
/**
* Current timestamp of the link, as defined by the most recent
* frame(s), in link time_base units.
*/
public native @Cast("int64_t") long current_pts(); public native AVFilterLink current_pts(long current_pts);
/**
* Current timestamp of the link, as defined by the most recent
* frame(s), in AV_TIME_BASE units.
*/
public native @Cast("int64_t") long current_pts_us(); public native AVFilterLink current_pts_us(long current_pts_us);
/**
* Index in the age array.
*/
public native int age_index(); public native AVFilterLink age_index(int age_index);
/**
* 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.
*
* Sources should set it to the best estimation of the real frame rate.
* If the source frame rate is unknown or variable, set this to 1/0.
* Filters should update it if necessary depending on their function.
* Sinks can use it to set a default output frame rate.
* It is similar to the r_frame_rate field in AVStream.
*/
public native @ByRef AVRational frame_rate(); public native AVFilterLink frame_rate(AVRational frame_rate);
/**
* Buffer partially filled with samples to achieve a fixed/minimum size.
*/
public native AVFrame partial_buf(); public native AVFilterLink partial_buf(AVFrame partial_buf);
/**
* Size of the partial buffer to allocate.
* Must be between min_samples and max_samples.
*/
public native int partial_buf_size(); public native AVFilterLink partial_buf_size(int partial_buf_size);
/**
* Minimum number of samples to filter at once. If filter_frame() is
* called with fewer samples, it will accumulate them in partial_buf.
* This field and the related ones must not be changed after filtering
* has started.
* If 0, all related fields are ignored.
*/
public native int min_samples(); public native AVFilterLink min_samples(int min_samples);
/**
* Maximum number of samples to filter at once. If filter_frame() is
* called with more samples, it will split them.
*/
public native int max_samples(); public native AVFilterLink max_samples(int max_samples);
/**
* Number of channels.
*/
public native int channels(); public native AVFilterLink channels(int channels);
/**
* Link processing flags.
*/
public native @Cast("unsigned") int flags(); public native AVFilterLink flags(int flags);
/**
* Number of past frames sent through the link.
*/
public native @Cast("int64_t") long frame_count_in(); public native AVFilterLink frame_count_in(long frame_count_in);
public native @Cast("int64_t") long frame_count_out(); public native AVFilterLink frame_count_out(long frame_count_out);
/**
* A pointer to a FFFramePool struct.
*/
public native Pointer frame_pool(); public native AVFilterLink frame_pool(Pointer frame_pool);
/**
* True if a frame is currently wanted on the output of this filter.
* Set when ff_request_frame() is called by the output,
* cleared when a frame is filtered.
*/
public native int frame_wanted_out(); public native AVFilterLink frame_wanted_out(int frame_wanted_out);
/**
* For hwaccel pixel formats, this should be a reference to the
* AVHWFramesContext describing the frames.
*/
public native AVBufferRef hw_frames_ctx(); public native AVFilterLink hw_frames_ctx(AVBufferRef hw_frames_ctx);
// #ifndef FF_INTERNAL_FIELDS
/**
* Internal structure members.
* The fields below this limit are internal for libavfilter's use
* and must in no way be accessed by applications.
*/
public native @Cast("char") byte reserved(int i); public native AVFilterLink reserved(int i, byte reserved);
@MemberGetter public native @Cast("char*") BytePointer reserved();
// #else /* FF_INTERNAL_FIELDS */
// #endif /* FF_INTERNAL_FIELDS */
}
/**
* Link two filters together.
*
* @param src the source filter
* @param srcpad index of the output pad on the source filter
* @param dst the destination filter
* @param dstpad index of the input pad on the destination filter
* @return zero on success
*/
@NoException public static native int avfilter_link(AVFilterContext src, @Cast("unsigned") int srcpad,
AVFilterContext dst, @Cast("unsigned") int dstpad);
/**
* Free the link in *link, and set its pointer to NULL.
*/
@NoException public static native void avfilter_link_free(@Cast("AVFilterLink**") PointerPointer link);
@NoException public static native void avfilter_link_free(@ByPtrPtr AVFilterLink link);
// #if FF_API_FILTER_GET_SET
/**
* Get the number of channels of a link.
* @deprecated Use av_buffersink_get_channels()
*/
@NoException public static native @Deprecated int avfilter_link_get_channels(AVFilterLink link);
// #endif
/**
* Set the closed field of a link.
* @deprecated applications are not supposed to mess with links, they should
* close the sinks.
*/
@NoException public static native @Deprecated void avfilter_link_set_closed(AVFilterLink link, int closed);
/**
* Negotiate the media format, dimensions, etc of all inputs to a filter.
*
* @param filter the filter to negotiate the properties for its inputs
* @return zero on successful negotiation
*/
@NoException public static native int avfilter_config_links(AVFilterContext filter);
/** Stop once a filter understood the command (for target=all for example), fast filters are favored automatically */
public static final int AVFILTER_CMD_FLAG_ONE = 1;
/** Only execute command when its fast (like a video out that supports contrast adjustment in hw) */
public static final int AVFILTER_CMD_FLAG_FAST = 2;
/**
* Make the filter instance process a command.
* It is recommended to use avfilter_graph_send_command().
*/
@NoException public static native int avfilter_process_command(AVFilterContext filter, @Cast("const char*") BytePointer cmd, @Cast("const char*") BytePointer arg, @Cast("char*") BytePointer res, int res_len, int flags);
@NoException public static native int avfilter_process_command(AVFilterContext filter, String cmd, String arg, @Cast("char*") ByteBuffer res, int res_len, int flags);
@NoException public static native int avfilter_process_command(AVFilterContext filter, @Cast("const char*") BytePointer cmd, @Cast("const char*") BytePointer arg, @Cast("char*") byte[] res, int res_len, int flags);
@NoException public static native int avfilter_process_command(AVFilterContext filter, String cmd, String arg, @Cast("char*") BytePointer res, int res_len, int flags);
@NoException public static native int avfilter_process_command(AVFilterContext filter, @Cast("const char*") BytePointer cmd, @Cast("const char*") BytePointer arg, @Cast("char*") ByteBuffer res, int res_len, int flags);
@NoException public static native int avfilter_process_command(AVFilterContext filter, String cmd, String arg, @Cast("char*") byte[] res, int res_len, int flags);
/**
* Iterate over all registered filters.
*
* @param opaque a pointer where libavfilter will store the iteration state. Must
* point to NULL to start the iteration.
*
* @return the next registered filter or NULL when the iteration is
* finished
*/
@NoException public static native @Const AVFilter av_filter_iterate(@Cast("void**") PointerPointer opaque);
@NoException public static native @Const AVFilter av_filter_iterate(@Cast("void**") @ByPtrPtr Pointer opaque);
// #if FF_API_NEXT
/** Initialize the filter system. Register all builtin filters. */
@NoException public static native @Deprecated void avfilter_register_all();
/**
* Register a filter. This is only needed if you plan to use
* avfilter_get_by_name later to lookup the AVFilter structure by name. A
* filter can still by instantiated with avfilter_graph_alloc_filter even if it
* is not registered.
*
* @param filter the filter to register
* @return 0 if the registration was successful, a negative value
* otherwise
*/
@NoException public static native @Deprecated int avfilter_register(AVFilter filter);
/**
* Iterate over all registered filters.
* @return If prev is non-NULL, next registered filter after prev or NULL if
* prev is the last filter. If prev is NULL, return the first registered filter.
*/
@NoException public static native @Const @Deprecated AVFilter avfilter_next(@Const AVFilter prev);
// #endif
/**
* Get a filter definition matching the given name.
*
* @param name the filter name to find
* @return the filter definition, if any matching one is registered.
* NULL if none found.
*/
@NoException public static native @Const AVFilter avfilter_get_by_name(@Cast("const char*") BytePointer name);
@NoException public static native @Const AVFilter avfilter_get_by_name(String name);
/**
* Initialize a filter with the supplied parameters.
*
* @param ctx uninitialized filter context to initialize
* @param args Options to initialize the filter with. This must be a
* ':'-separated list of options in the 'key=value' form.
* May be NULL if the options have been set directly using the
* AVOptions API or there are no options that need to be set.
* @return 0 on success, a negative AVERROR on failure
*/
@NoException public static native int avfilter_init_str(AVFilterContext ctx, @Cast("const char*") BytePointer args);
@NoException public static native int avfilter_init_str(AVFilterContext ctx, String args);
/**
* Initialize a filter with the supplied dictionary of options.
*
* @param ctx uninitialized filter context to initialize
* @param options An AVDictionary filled with options for this filter. On
* return this parameter will be destroyed and replaced with
* a dict containing options that were not found. This dictionary
* must be freed by the caller.
* May be NULL, then this function is equivalent to
* avfilter_init_str() with the second parameter set to NULL.
* @return 0 on success, a negative AVERROR on failure
*
* \note This function and avfilter_init_str() do essentially the same thing,
* the difference is in manner in which the options are passed. It is up to the
* calling code to choose whichever is more preferable. The two functions also
* behave differently when some of the provided options are not declared as
* supported by the filter. In such a case, avfilter_init_str() will fail, but
* this function will leave those extra options in the options AVDictionary and
* continue as usual.
*/
@NoException public static native int avfilter_init_dict(AVFilterContext ctx, @Cast("AVDictionary**") PointerPointer options);
@NoException public static native int avfilter_init_dict(AVFilterContext ctx, @ByPtrPtr AVDictionary options);
/**
* Free a filter context. This will also remove the filter from its
* filtergraph's list of filters.
*
* @param filter the filter to free
*/
@NoException public static native void avfilter_free(AVFilterContext filter);
/**
* Insert a filter in the middle of an existing link.
*
* @param link the link into which the filter should be inserted
* @param filt the filter to be inserted
* @param filt_srcpad_idx the input pad on the filter to connect
* @param filt_dstpad_idx the output pad on the filter to connect
* @return zero on success
*/
@NoException public static native int avfilter_insert_filter(AVFilterLink link, AVFilterContext filt,
@Cast("unsigned") int filt_srcpad_idx, @Cast("unsigned") int filt_dstpad_idx);
/**
* @return AVClass for AVFilterContext.
*
* @see av_opt_find().
*/
@NoException public static native @Const AVClass avfilter_get_class();
@Opaque public static class AVFilterGraphInternal extends Pointer {
/** Empty constructor. Calls {@code super((Pointer)null)}. */
public AVFilterGraphInternal() { super((Pointer)null); }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public AVFilterGraphInternal(Pointer p) { super(p); }
}
/**
* A function pointer passed to the \ref AVFilterGraph.execute callback to be
* executed multiple times, possibly in parallel.
*
* @param ctx the filter context the job belongs to
* @param arg an opaque parameter passed through from \ref
* AVFilterGraph.execute
* @param jobnr the index of the job being executed
* @param nb_jobs the total number of jobs
*
* @return 0 on success, a negative AVERROR on error
*/
public static class avfilter_action_func extends FunctionPointer {
static { Loader.load(); }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public avfilter_action_func(Pointer p) { super(p); }
protected avfilter_action_func() { allocate(); }
private native void allocate();
public native int call(AVFilterContext ctx, Pointer arg, int jobnr, int nb_jobs);
}
/**
* A function executing multiple jobs, possibly in parallel.
*
* @param ctx the filter context to which the jobs belong
* @param func the function to be called multiple times
* @param arg the argument to be passed to func
* @param ret a nb_jobs-sized array to be filled with return values from each
* invocation of func
* @param nb_jobs the number of jobs to execute
*
* @return 0 on success, a negative AVERROR on error
*/
public static class avfilter_execute_func extends FunctionPointer {
static { Loader.load(); }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public avfilter_execute_func(Pointer p) { super(p); }
protected avfilter_execute_func() { allocate(); }
private native void allocate();
public native int call(AVFilterContext ctx, avfilter_action_func func,
Pointer arg, IntPointer ret, int nb_jobs);
}
public static class AVFilterGraph extends Pointer {
static { Loader.load(); }
/** Default native constructor. */
public AVFilterGraph() { super((Pointer)null); allocate(); }
/** Native array allocator. Access with {@link Pointer#position(long)}. */
public AVFilterGraph(long size) { super((Pointer)null); allocateArray(size); }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public AVFilterGraph(Pointer p) { super(p); }
private native void allocate();
private native void allocateArray(long size);
@Override public AVFilterGraph position(long position) {
return (AVFilterGraph)super.position(position);
}
@MemberGetter public native @Const AVClass av_class();
public native AVFilterContext filters(int i); public native AVFilterGraph filters(int i, AVFilterContext filters);
public native @Cast("AVFilterContext**") PointerPointer filters(); public native AVFilterGraph filters(PointerPointer filters);
public native @Cast("unsigned") int nb_filters(); public native AVFilterGraph nb_filters(int nb_filters);
/** sws options to use for the auto-inserted scale filters */
public native @Cast("char*") BytePointer scale_sws_opts(); public native AVFilterGraph scale_sws_opts(BytePointer scale_sws_opts);
// #if FF_API_LAVR_OPTS
/** libavresample options to use for the auto-inserted resample filters */
public native @Cast("char*") @Deprecated BytePointer resample_lavr_opts(); public native AVFilterGraph resample_lavr_opts(BytePointer resample_lavr_opts);
// #endif
/**
* Type of multithreading allowed for filters in this graph. A combination
* of AVFILTER_THREAD_* flags.
*
* May be set by the caller at any point, the setting will apply to all
* filters initialized after that. The default is allowing everything.
*
* When a filter in this graph is initialized, this field is combined using
* bit AND with AVFilterContext.thread_type to get the final mask used for
* determining allowed threading types. I.e. a threading type needs to be
* set in both to be allowed.
*/
public native int thread_type(); public native AVFilterGraph thread_type(int thread_type);
/**
* Maximum number of threads used by filters in this graph. May be set by
* the caller before adding any filters to the filtergraph. Zero (the
* default) means that the number of threads is determined automatically.
*/
public native int nb_threads(); public native AVFilterGraph nb_threads(int nb_threads);
/**
* Opaque object for libavfilter internal use.
*/
public native AVFilterGraphInternal internal(); public native AVFilterGraph internal(AVFilterGraphInternal internal);
/**
* Opaque user data. May be set by the caller to an arbitrary value, e.g. to
* be used from callbacks like \ref AVFilterGraph.execute.
* Libavfilter will not touch this field in any way.
*/
public native Pointer opaque(); public native AVFilterGraph opaque(Pointer opaque);
/**
* This callback may be set by the caller immediately after allocating the
* graph and before adding any filters to it, to provide a custom
* multithreading implementation.
*
* If set, filters with slice threading capability will call this callback
* to execute multiple jobs in parallel.
*
* If this field is left unset, libavfilter will use its internal
* implementation, which may or may not be multithreaded depending on the
* platform and build options.
*/
public native avfilter_execute_func execute(); public native AVFilterGraph execute(avfilter_execute_func execute);
/** swr options to use for the auto-inserted aresample filters, Access ONLY through AVOptions */
public native @Cast("char*") BytePointer aresample_swr_opts(); public native AVFilterGraph aresample_swr_opts(BytePointer aresample_swr_opts);
/**
* Private fields
*
* The following fields are for internal use only.
* Their type, offset, number and semantic can change without notice.
*/
public native AVFilterLink sink_links(int i); public native AVFilterGraph sink_links(int i, AVFilterLink sink_links);
public native @Cast("AVFilterLink**") PointerPointer sink_links(); public native AVFilterGraph sink_links(PointerPointer sink_links);
public native int sink_links_count(); public native AVFilterGraph sink_links_count(int sink_links_count);
public native @Cast("unsigned") int disable_auto_convert(); public native AVFilterGraph disable_auto_convert(int disable_auto_convert);
}
/**
* Allocate a filter graph.
*
* @return the allocated filter graph on success or NULL.
*/
@NoException public static native AVFilterGraph avfilter_graph_alloc();
/**
* Create a new filter instance in a filter graph.
*
* @param graph graph in which the new filter will be used
* @param filter the filter to create an instance of
* @param name Name to give to the new instance (will be copied to
* AVFilterContext.name). This may be used by the caller to identify
* different filters, libavfilter itself assigns no semantics to
* this parameter. May be NULL.
*
* @return the context of the newly created filter instance (note that it is
* also retrievable directly through AVFilterGraph.filters or with
* avfilter_graph_get_filter()) on success or NULL on failure.
*/
@NoException public static native AVFilterContext avfilter_graph_alloc_filter(AVFilterGraph graph,
@Const AVFilter filter,
@Cast("const char*") BytePointer name);
@NoException public static native AVFilterContext avfilter_graph_alloc_filter(AVFilterGraph graph,
@Const AVFilter filter,
String name);
/**
* Get a filter instance identified by instance name from graph.
*
* @param graph filter graph to search through.
* @param name filter instance name (should be unique in the graph).
* @return the pointer to the found filter instance or NULL if it
* cannot be found.
*/
@NoException public static native AVFilterContext avfilter_graph_get_filter(AVFilterGraph graph, @Cast("const char*") BytePointer name);
@NoException public static native AVFilterContext avfilter_graph_get_filter(AVFilterGraph graph, String name);
/**
* Create and add a filter instance into an existing graph.
* The filter instance is created from the filter filt and inited
* with the parameters args and opaque.
*
* In case of success put in *filt_ctx the pointer to the created
* filter instance, otherwise set *filt_ctx to NULL.
*
* @param name the instance name to give to the created filter instance
* @param graph_ctx the filter graph
* @return a negative AVERROR error code in case of failure, a non
* negative value otherwise
*/
@NoException public static native int avfilter_graph_create_filter(@Cast("AVFilterContext**") PointerPointer filt_ctx, @Const AVFilter filt,
@Cast("const char*") BytePointer name, @Cast("const char*") BytePointer args, Pointer opaque,
AVFilterGraph graph_ctx);
@NoException public static native int avfilter_graph_create_filter(@ByPtrPtr AVFilterContext filt_ctx, @Const AVFilter filt,
@Cast("const char*") BytePointer name, @Cast("const char*") BytePointer args, Pointer opaque,
AVFilterGraph graph_ctx);
@NoException public static native int avfilter_graph_create_filter(@ByPtrPtr AVFilterContext filt_ctx, @Const AVFilter filt,
String name, String args, Pointer opaque,
AVFilterGraph graph_ctx);
/**
* Enable or disable automatic format conversion inside the graph.
*
* Note that format conversion can still happen inside explicitly inserted
* scale and aresample filters.
*
* @param flags any of the AVFILTER_AUTO_CONVERT_* constants
*/
@NoException public static native void avfilter_graph_set_auto_convert(AVFilterGraph graph, @Cast("unsigned") int flags);
/** enum */
public static final int
/** all automatic conversions enabled */
AVFILTER_AUTO_CONVERT_ALL = 0,
/** all automatic conversions disabled */
AVFILTER_AUTO_CONVERT_NONE = -1;
/**
* Check validity and configure all the links and formats in the graph.
*
* @param graphctx the filter graph
* @param log_ctx context used for logging
* @return >= 0 in case of success, a negative AVERROR code otherwise
*/
@NoException public static native int avfilter_graph_config(AVFilterGraph graphctx, Pointer log_ctx);
/**
* Free a graph, destroy its links, and set *graph to NULL.
* If *graph is NULL, do nothing.
*/
@NoException public static native void avfilter_graph_free(@Cast("AVFilterGraph**") PointerPointer graph);
@NoException public static native void avfilter_graph_free(@ByPtrPtr AVFilterGraph graph);
/**
* A linked-list of the inputs/outputs of the filter chain.
*
* This is mainly useful for avfilter_graph_parse() / avfilter_graph_parse2(),
* where it is used to communicate open (unlinked) inputs and outputs from and
* to the caller.
* This struct specifies, per each not connected pad contained in the graph, the
* filter context and the pad index required for establishing a link.
*/
public static class AVFilterInOut extends Pointer {
static { Loader.load(); }
/** Default native constructor. */
public AVFilterInOut() { super((Pointer)null); allocate(); }
/** Native array allocator. Access with {@link Pointer#position(long)}. */
public AVFilterInOut(long size) { super((Pointer)null); allocateArray(size); }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public AVFilterInOut(Pointer p) { super(p); }
private native void allocate();
private native void allocateArray(long size);
@Override public AVFilterInOut position(long position) {
return (AVFilterInOut)super.position(position);
}
/** unique name for this input/output in the list */
public native @Cast("char*") BytePointer name(); public native AVFilterInOut name(BytePointer name);
/** filter context associated to this input/output */
public native AVFilterContext filter_ctx(); public native AVFilterInOut filter_ctx(AVFilterContext filter_ctx);
/** index of the filt_ctx pad to use for linking */
public native int pad_idx(); public native AVFilterInOut pad_idx(int pad_idx);
/** next input/input in the list, NULL if this is the last */
public native AVFilterInOut next(); public native AVFilterInOut next(AVFilterInOut next);
}
/**
* Allocate a single AVFilterInOut entry.
* Must be freed with avfilter_inout_free().
* @return allocated AVFilterInOut on success, NULL on failure.
*/
@NoException public static native AVFilterInOut avfilter_inout_alloc();
/**
* Free the supplied list of AVFilterInOut and set *inout to NULL.
* If *inout is NULL, do nothing.
*/
@NoException public static native void avfilter_inout_free(@Cast("AVFilterInOut**") PointerPointer inout);
@NoException public static native void avfilter_inout_free(@ByPtrPtr AVFilterInOut inout);
/**
* Add a graph described by a string to a graph.
*
* \note The caller must provide the lists of inputs and outputs,
* which therefore must be known before calling the function.
*
* \note The inputs parameter describes inputs of the already existing
* part of the graph; i.e. from the point of view of the newly created
* part, they are outputs. Similarly the outputs parameter describes
* outputs of the already existing filters, which are provided as
* inputs to the parsed filters.
*
* @param graph the filter graph where to link the parsed graph context
* @param filters string to be parsed
* @param inputs linked list to the inputs of the graph
* @param outputs linked list to the outputs of the graph
* @return zero on success, a negative AVERROR code on error
*/
@NoException public static native int avfilter_graph_parse(AVFilterGraph graph, @Cast("const char*") BytePointer filters,
AVFilterInOut inputs, AVFilterInOut outputs,
Pointer log_ctx);
@NoException public static native int avfilter_graph_parse(AVFilterGraph graph, String filters,
AVFilterInOut inputs, AVFilterInOut outputs,
Pointer log_ctx);
/**
* Add a graph described by a string to a graph.
*
* In the graph filters description, if the input label of the first
* filter is not specified, "in" is assumed; if the output label of
* the last filter is not specified, "out" is assumed.
*
* @param graph the filter graph where to link the parsed graph context
* @param filters string to be parsed
* @param inputs pointer to a linked list to the inputs of the graph, may be NULL.
* If non-NULL, *inputs is updated to contain the list of open inputs
* after the parsing, should be freed with avfilter_inout_free().
* @param outputs pointer to a linked list to the outputs of the graph, may be NULL.
* If non-NULL, *outputs is updated to contain the list of open outputs
* after the parsing, should be freed with avfilter_inout_free().
* @return non negative on success, a negative AVERROR code on error
*/
@NoException public static native int avfilter_graph_parse_ptr(AVFilterGraph graph, @Cast("const char*") BytePointer filters,
@Cast("AVFilterInOut**") PointerPointer inputs, @Cast("AVFilterInOut**") PointerPointer outputs,
Pointer log_ctx);
@NoException public static native int avfilter_graph_parse_ptr(AVFilterGraph graph, @Cast("const char*") BytePointer filters,
@ByPtrPtr AVFilterInOut inputs, @ByPtrPtr AVFilterInOut outputs,
Pointer log_ctx);
@NoException public static native int avfilter_graph_parse_ptr(AVFilterGraph graph, String filters,
@ByPtrPtr AVFilterInOut inputs, @ByPtrPtr AVFilterInOut outputs,
Pointer log_ctx);
/**
* Add a graph described by a string to a graph.
*
* @param [in] graph the filter graph where to link the parsed graph context
* @param [in] filters string to be parsed
* @param [out] inputs a linked list of all free (unlinked) inputs of the
* parsed graph will be returned here. It is to be freed
* by the caller using avfilter_inout_free().
* @param [out] outputs a linked list of all free (unlinked) outputs of the
* parsed graph will be returned here. It is to be freed by the
* caller using avfilter_inout_free().
* @return zero on success, a negative AVERROR code on error
*
* \note This function returns the inputs and outputs that are left
* unlinked after parsing the graph and the caller then deals with
* them.
* \note This function makes no reference whatsoever to already
* existing parts of the graph and the inputs parameter will on return
* contain inputs of the newly parsed part of the graph. Analogously
* the outputs parameter will contain outputs of the newly created
* filters.
*/
@NoException public static native int avfilter_graph_parse2(AVFilterGraph graph, @Cast("const char*") BytePointer filters,
@Cast("AVFilterInOut**") PointerPointer inputs,
@Cast("AVFilterInOut**") PointerPointer outputs);
@NoException public static native int avfilter_graph_parse2(AVFilterGraph graph, @Cast("const char*") BytePointer filters,
@ByPtrPtr AVFilterInOut inputs,
@ByPtrPtr AVFilterInOut outputs);
@NoException public static native int avfilter_graph_parse2(AVFilterGraph graph, String filters,
@ByPtrPtr AVFilterInOut inputs,
@ByPtrPtr AVFilterInOut outputs);
/**
* Send a command to one or more filter instances.
*
* @param graph the filter graph
* @param target the filter(s) to which the command should be sent
* "all" sends to all filters
* otherwise it can be a filter or filter instance name
* which will send the command to all matching filters.
* @param cmd the command to send, for handling simplicity all commands must be alphanumeric only
* @param arg the argument for the command
* @param res a buffer with size res_size where the filter(s) can return a response.
*
* @return >=0 on success otherwise an error code.
* AVERROR(ENOSYS) on unsupported commands
*/
@NoException public static native int avfilter_graph_send_command(AVFilterGraph graph, @Cast("const char*") BytePointer target, @Cast("const char*") BytePointer cmd, @Cast("const char*") BytePointer arg, @Cast("char*") BytePointer res, int res_len, int flags);
@NoException public static native int avfilter_graph_send_command(AVFilterGraph graph, String target, String cmd, String arg, @Cast("char*") ByteBuffer res, int res_len, int flags);
@NoException public static native int avfilter_graph_send_command(AVFilterGraph graph, @Cast("const char*") BytePointer target, @Cast("const char*") BytePointer cmd, @Cast("const char*") BytePointer arg, @Cast("char*") byte[] res, int res_len, int flags);
@NoException public static native int avfilter_graph_send_command(AVFilterGraph graph, String target, String cmd, String arg, @Cast("char*") BytePointer res, int res_len, int flags);
@NoException public static native int avfilter_graph_send_command(AVFilterGraph graph, @Cast("const char*") BytePointer target, @Cast("const char*") BytePointer cmd, @Cast("const char*") BytePointer arg, @Cast("char*") ByteBuffer res, int res_len, int flags);
@NoException public static native int avfilter_graph_send_command(AVFilterGraph graph, String target, String cmd, String arg, @Cast("char*") byte[] res, int res_len, int flags);
/**
* Queue a command for one or more filter instances.
*
* @param graph the filter graph
* @param target the filter(s) to which the command should be sent
* "all" sends to all filters
* otherwise it can be a filter or filter instance name
* which will send the command to all matching filters.
* @param cmd the command to sent, for handling simplicity all commands must be alphanumeric only
* @param arg the argument for the command
* @param ts time at which the command should be sent to the filter
*
* \note As this executes commands after this function returns, no return code
* from the filter is provided, also AVFILTER_CMD_FLAG_ONE is not supported.
*/
@NoException public static native int avfilter_graph_queue_command(AVFilterGraph graph, @Cast("const char*") BytePointer target, @Cast("const char*") BytePointer cmd, @Cast("const char*") BytePointer arg, int flags, double ts);
@NoException public static native int avfilter_graph_queue_command(AVFilterGraph graph, String target, String cmd, String arg, int flags, double ts);
/**
* Dump a graph into a human-readable string representation.
*
* @param graph the graph to dump
* @param options formatting options; currently ignored
* @return a string, or NULL in case of memory allocation failure;
* the string must be freed using av_free
*/
@NoException public static native @Cast("char*") BytePointer avfilter_graph_dump(AVFilterGraph graph, @Cast("const char*") BytePointer options);
@NoException public static native @Cast("char*") ByteBuffer avfilter_graph_dump(AVFilterGraph graph, String options);
/**
* Request a frame on the oldest sink link.
*
* If the request returns AVERROR_EOF, try the next.
*
* Note that this function is not meant to be the sole scheduling mechanism
* of a filtergraph, only a convenience function to help drain a filtergraph
* in a balanced way under normal circumstances.
*
* Also note that AVERROR_EOF does not mean that frames did not arrive on
* some of the sinks during the process.
* When there are multiple sink links, in case the requested link
* returns an EOF, this may cause a filter to flush pending frames
* which are sent to another sink link, although unrequested.
*
* @return the return value of ff_request_frame(),
* or AVERROR_EOF if all links returned AVERROR_EOF
*/
@NoException public static native int avfilter_graph_request_oldest(AVFilterGraph graph);
/**
* \}
*/
// #endif /* AVFILTER_AVFILTER_H */
// Parsed from
/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
// #ifndef AVFILTER_BUFFERSINK_H
// #define AVFILTER_BUFFERSINK_H
/**
* \file
* \ingroup lavfi_buffersink
* memory buffer sink API for audio and video
*/
// #include "avfilter.h"
/**
* \defgroup lavfi_buffersink Buffer sink API
* \ingroup lavfi
* \{
*/
/**
* Get a frame with filtered data from sink and put it in frame.
*
* @param ctx pointer to a buffersink or abuffersink filter context.
* @param frame pointer to an allocated frame that will be filled with data.
* The data must be freed using av_frame_unref() / av_frame_free()
* @param flags a combination of AV_BUFFERSINK_FLAG_* flags
*
* @return >= 0 in for success, a negative AVERROR code for failure.
*/
@NoException public static native int av_buffersink_get_frame_flags(AVFilterContext ctx, AVFrame frame, int flags);
/**
* Tell av_buffersink_get_buffer_ref() to read video/samples buffer
* reference, but not remove it from the buffer. This is useful if you
* need only to read a video/samples buffer, without to fetch it.
*/
public static final int AV_BUFFERSINK_FLAG_PEEK = 1;
/**
* Tell av_buffersink_get_buffer_ref() not to request a frame from its input.
* If a frame is already buffered, it is read (and removed from the buffer),
* but if no frame is present, return AVERROR(EAGAIN).
*/
public static final int AV_BUFFERSINK_FLAG_NO_REQUEST = 2;
/**
* Struct to use for initializing a buffersink context.
*/
public static class AVBufferSinkParams extends Pointer {
static { Loader.load(); }
/** Default native constructor. */
public AVBufferSinkParams() { super((Pointer)null); allocate(); }
/** Native array allocator. Access with {@link Pointer#position(long)}. */
public AVBufferSinkParams(long size) { super((Pointer)null); allocateArray(size); }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public AVBufferSinkParams(Pointer p) { super(p); }
private native void allocate();
private native void allocateArray(long size);
@Override public AVBufferSinkParams position(long position) {
return (AVBufferSinkParams)super.position(position);
}
/** list of allowed pixel formats, terminated by AV_PIX_FMT_NONE */
@MemberGetter public native @Cast("const AVPixelFormat*") IntPointer pixel_fmts();
}
/**
* Create an AVBufferSinkParams structure.
*
* Must be freed with av_free().
*/
@NoException public static native AVBufferSinkParams av_buffersink_params_alloc();
/**
* Struct to use for initializing an abuffersink context.
*/
public static class AVABufferSinkParams extends Pointer {
static { Loader.load(); }
/** Default native constructor. */
public AVABufferSinkParams() { super((Pointer)null); allocate(); }
/** Native array allocator. Access with {@link Pointer#position(long)}. */
public AVABufferSinkParams(long size) { super((Pointer)null); allocateArray(size); }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public AVABufferSinkParams(Pointer p) { super(p); }
private native void allocate();
private native void allocateArray(long size);
@Override public AVABufferSinkParams position(long position) {
return (AVABufferSinkParams)super.position(position);
}
/** list of allowed sample formats, terminated by AV_SAMPLE_FMT_NONE */
@MemberGetter public native @Cast("const AVSampleFormat*") IntPointer sample_fmts();
/** list of allowed channel layouts, terminated by -1 */
@MemberGetter public native @Cast("const int64_t*") LongPointer channel_layouts();
/** list of allowed channel counts, terminated by -1 */
@MemberGetter public native @Const IntPointer channel_counts();
/** if not 0, accept any channel count or layout */
public native int all_channel_counts(); public native AVABufferSinkParams all_channel_counts(int all_channel_counts);
/** list of allowed sample rates, terminated by -1 */
public native IntPointer sample_rates(); public native AVABufferSinkParams sample_rates(IntPointer sample_rates);
}
/**
* Create an AVABufferSinkParams structure.
*
* Must be freed with av_free().
*/
@NoException public static native AVABufferSinkParams av_abuffersink_params_alloc();
/**
* Set the frame size for an audio buffer sink.
*
* All calls to av_buffersink_get_buffer_ref will return a buffer with
* exactly the specified number of samples, or AVERROR(EAGAIN) if there is
* not enough. The last buffer at EOF will be padded with 0.
*/
@NoException public static native void av_buffersink_set_frame_size(AVFilterContext ctx, @Cast("unsigned") int frame_size);
/**
* \defgroup lavfi_buffersink_accessors Buffer sink accessors
* Get the properties of the stream
* \{
*/
@NoException public static native @Cast("AVMediaType") int av_buffersink_get_type(@Const AVFilterContext ctx);
@NoException public static native @ByVal AVRational av_buffersink_get_time_base(@Const AVFilterContext ctx);
@NoException public static native int av_buffersink_get_format(@Const AVFilterContext ctx);
@NoException public static native @ByVal AVRational av_buffersink_get_frame_rate(@Const AVFilterContext ctx);
@NoException public static native int av_buffersink_get_w(@Const AVFilterContext ctx);
@NoException public static native int av_buffersink_get_h(@Const AVFilterContext ctx);
@NoException public static native @ByVal AVRational av_buffersink_get_sample_aspect_ratio(@Const AVFilterContext ctx);
@NoException public static native int av_buffersink_get_channels(@Const AVFilterContext ctx);
@NoException public static native @Cast("uint64_t") long av_buffersink_get_channel_layout(@Const AVFilterContext ctx);
@NoException public static native int av_buffersink_get_sample_rate(@Const AVFilterContext ctx);
@NoException public static native AVBufferRef av_buffersink_get_hw_frames_ctx(@Const AVFilterContext ctx);
/** \} */
/**
* Get a frame with filtered data from sink and put it in frame.
*
* @param ctx pointer to a context of a buffersink or abuffersink AVFilter.
* @param frame pointer to an allocated frame that will be filled with data.
* The data must be freed using av_frame_unref() / av_frame_free()
*
* @return
* - >= 0 if a frame was successfully returned.
* - AVERROR(EAGAIN) if no frames are available at this point; more
* input frames must be added to the filtergraph to get more output.
* - AVERROR_EOF if there will be no more output frames on this sink.
* - A different negative AVERROR code in other failure cases.
*/
@NoException public static native int av_buffersink_get_frame(AVFilterContext ctx, AVFrame frame);
/**
* Same as av_buffersink_get_frame(), but with the ability to specify the number
* of samples read. This function is less efficient than
* av_buffersink_get_frame(), because it copies the data around.
*
* @param ctx pointer to a context of the abuffersink AVFilter.
* @param frame pointer to an allocated frame that will be filled with data.
* The data must be freed using av_frame_unref() / av_frame_free()
* frame will contain exactly nb_samples audio samples, except at
* the end of stream, when it can contain less than nb_samples.
*
* @return The return codes have the same meaning as for
* av_buffersink_get_samples().
*
* \warning do not mix this function with av_buffersink_get_frame(). Use only one or
* the other with a single sink, not both.
*/
@NoException public static native int av_buffersink_get_samples(AVFilterContext ctx, AVFrame frame, int nb_samples);
/**
* \}
*/
// #endif /* AVFILTER_BUFFERSINK_H */
// Parsed from
/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
// #ifndef AVFILTER_BUFFERSRC_H
// #define AVFILTER_BUFFERSRC_H
/**
* \file
* \ingroup lavfi_buffersrc
* Memory buffer source API.
*/
// #include "avfilter.h"
/**
* \defgroup lavfi_buffersrc Buffer source API
* \ingroup lavfi
* \{
*/
/** enum */
public static final int
/**
* Do not check for format changes.
*/
AV_BUFFERSRC_FLAG_NO_CHECK_FORMAT = 1,
/**
* Immediately push the frame to the output.
*/
AV_BUFFERSRC_FLAG_PUSH = 4,
/**
* Keep a reference to the frame.
* If the frame if reference-counted, create a new reference; otherwise
* copy the frame data.
*/
AV_BUFFERSRC_FLAG_KEEP_REF = 8;
/**
* Get the number of failed requests.
*
* A failed request is when the request_frame method is called while no
* frame is present in the buffer.
* The number is reset when a frame is added.
*/
@NoException public static native @Cast("unsigned") int av_buffersrc_get_nb_failed_requests(AVFilterContext buffer_src);
/**
* This structure contains the parameters describing the frames that will be
* passed to this filter.
*
* It should be allocated with av_buffersrc_parameters_alloc() and freed with
* av_free(). All the allocated fields in it remain owned by the caller.
*/
public static class AVBufferSrcParameters extends Pointer {
static { Loader.load(); }
/** Default native constructor. */
public AVBufferSrcParameters() { super((Pointer)null); allocate(); }
/** Native array allocator. Access with {@link Pointer#position(long)}. */
public AVBufferSrcParameters(long size) { super((Pointer)null); allocateArray(size); }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public AVBufferSrcParameters(Pointer p) { super(p); }
private native void allocate();
private native void allocateArray(long size);
@Override public AVBufferSrcParameters position(long position) {
return (AVBufferSrcParameters)super.position(position);
}
/**
* video: the pixel format, value corresponds to enum AVPixelFormat
* audio: the sample format, value corresponds to enum AVSampleFormat
*/
public native int format(); public native AVBufferSrcParameters format(int format);
/**
* The timebase to be used for the timestamps on the input frames.
*/
public native @ByRef AVRational time_base(); public native AVBufferSrcParameters time_base(AVRational time_base);
/**
* Video only, the display dimensions of the input frames.
*/
public native int width(); public native AVBufferSrcParameters width(int width);
public native int height(); public native AVBufferSrcParameters height(int height);
/**
* Video only, the sample (pixel) aspect ratio.
*/
public native @ByRef AVRational sample_aspect_ratio(); public native AVBufferSrcParameters sample_aspect_ratio(AVRational sample_aspect_ratio);
/**
* Video only, the frame rate of the input video. This field must only be
* set to a non-zero value if input stream has a known constant framerate
* and should be left at its initial value if the framerate is variable or
* unknown.
*/
public native @ByRef AVRational frame_rate(); public native AVBufferSrcParameters frame_rate(AVRational frame_rate);
/**
* Video with a hwaccel pixel format only. This should be a reference to an
* AVHWFramesContext instance describing the input frames.
*/
public native AVBufferRef hw_frames_ctx(); public native AVBufferSrcParameters hw_frames_ctx(AVBufferRef hw_frames_ctx);
/**
* Audio only, the audio sampling rate in samples per secon.
*/
public native int sample_rate(); public native AVBufferSrcParameters sample_rate(int sample_rate);
/**
* Audio only, the audio channel layout
*/
public native @Cast("uint64_t") long channel_layout(); public native AVBufferSrcParameters channel_layout(long channel_layout);
}
/**
* Allocate a new AVBufferSrcParameters instance. It should be freed by the
* caller with av_free().
*/
@NoException public static native AVBufferSrcParameters av_buffersrc_parameters_alloc();
/**
* Initialize the buffersrc or abuffersrc filter with the provided parameters.
* This function may be called multiple times, the later calls override the
* previous ones. Some of the parameters may also be set through AVOptions, then
* whatever method is used last takes precedence.
*
* @param ctx an instance of the buffersrc or abuffersrc filter
* @param param the stream parameters. The frames later passed to this filter
* must conform to those parameters. All the allocated fields in
* param remain owned by the caller, libavfilter will make internal
* copies or references when necessary.
* @return 0 on success, a negative AVERROR code on failure.
*/
@NoException public static native int av_buffersrc_parameters_set(AVFilterContext ctx, AVBufferSrcParameters param);
/**
* Add a frame to the buffer source.
*
* @param ctx an instance of the buffersrc filter
* @param frame frame to be added. If the frame is reference counted, this
* function will make a new reference to it. Otherwise the frame data will be
* copied.
*
* @return 0 on success, a negative AVERROR on error
*
* This function is equivalent to av_buffersrc_add_frame_flags() with the
* AV_BUFFERSRC_FLAG_KEEP_REF flag.
*/
@NoException public static native int av_buffersrc_write_frame(AVFilterContext ctx, @Const AVFrame frame);
/**
* Add a frame to the buffer source.
*
* @param ctx an instance of the buffersrc filter
* @param frame frame to be added. If the frame is reference counted, this
* function will take ownership of the reference(s) and reset the frame.
* Otherwise the frame data will be copied. If this function returns an error,
* the input frame is not touched.
*
* @return 0 on success, a negative AVERROR on error.
*
* \note the difference between this function and av_buffersrc_write_frame() is
* that av_buffersrc_write_frame() creates a new reference to the input frame,
* while this function takes ownership of the reference passed to it.
*
* This function is equivalent to av_buffersrc_add_frame_flags() without the
* AV_BUFFERSRC_FLAG_KEEP_REF flag.
*/
@NoException public static native int av_buffersrc_add_frame(AVFilterContext ctx, AVFrame frame);
/**
* Add a frame to the buffer source.
*
* By default, if the frame is reference-counted, this function will take
* ownership of the reference(s) and reset the frame. This can be controlled
* using the flags.
*
* If this function returns an error, the input frame is not touched.
*
* @param buffer_src pointer to a buffer source context
* @param frame a frame, or NULL to mark EOF
* @param flags a combination of AV_BUFFERSRC_FLAG_*
* @return >= 0 in case of success, a negative AVERROR code
* in case of failure
*/
@NoException public static native int av_buffersrc_add_frame_flags(AVFilterContext buffer_src,
AVFrame frame, int flags);
/**
* Close the buffer source after EOF.
*
* This is similar to passing NULL to av_buffersrc_add_frame_flags()
* except it takes the timestamp of the EOF, i.e. the timestamp of the end
* of the last frame.
*/
@NoException public static native int av_buffersrc_close(AVFilterContext ctx, @Cast("int64_t") long pts, @Cast("unsigned") int flags);
/**
* \}
*/
// #endif /* AVFILTER_BUFFERSRC_H */
}
