mirror of
https://github.com/FFmpeg/FFmpeg.git
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lavfi: merge avfiltergraph.h into avfilter.h
We do not support using filters without AVFilterGraph in practice anyway, so there is no point in pretending we do.
This commit is contained in:
Anton Khirnov
parent
4a37d4b3f8
commit
38f0c0781a
1
avconv.c
1
avconv.c
@ -48,7 +48,6 @@
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#include "libavformat/os_support.h"
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# include "libavfilter/avfilter.h"
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# include "libavfilter/avfiltergraph.h"
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# include "libavfilter/buffersrc.h"
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# include "libavfilter/buffersink.h"
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1
avconv.h
1
avconv.h
@ -36,7 +36,6 @@
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#include "libavcodec/avcodec.h"
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#include "libavfilter/avfilter.h"
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#include "libavfilter/avfiltergraph.h"
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#include "libavutil/avutil.h"
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#include "libavutil/dict.h"
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@ -21,7 +21,6 @@
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#include "avconv.h"
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#include "libavfilter/avfilter.h"
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#include "libavfilter/avfiltergraph.h"
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#include "libavresample/avresample.h"
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@ -28,7 +28,6 @@
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#include "libavcodec/avcodec.h"
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#include "libavfilter/avfilter.h"
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#include "libavfilter/avfiltergraph.h"
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#include "libavutil/avassert.h"
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#include "libavutil/avstring.h"
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1
avplay.c
1
avplay.c
@ -41,7 +41,6 @@
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#if CONFIG_AVFILTER
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# include "libavfilter/avfilter.h"
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# include "libavfilter/avfiltergraph.h"
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# include "libavfilter/buffersink.h"
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# include "libavfilter/buffersrc.h"
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#endif
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@ -13,6 +13,10 @@ libavutil: 2012-10-22
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API changes, most recent first:
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2013-xx-xx - lavfi 3.8.0
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Move all content from avfiltergraph.h to avfilter.h. Deprecate
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avfilterhraph.h, user applications should include just avfilter.h
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2013-xx-xx - lavfi 3.7.0 - avfilter.h
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Add AVFilter.priv_class for exporting filter options through the AVOptions API
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in the similar way private options work in lavc and lavf.
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@ -21,7 +21,7 @@ A filtergraph can be represented using a textual representation, which is
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recognized by the @option{-filter}/@option{-vf} and @option{-filter_complex}
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options in @command{avconv} and @option{-vf} in @command{avplay}, and by the
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@code{avfilter_graph_parse()}/@code{avfilter_graph_parse2()} function defined in
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@file{libavfilter/avfiltergraph.h}.
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@file{libavfilter/avfilter.h}.
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A filterchain consists of a sequence of connected filters, each one
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connected to the previous one in the sequence. A filterchain is
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@ -697,4 +697,158 @@ int avfilter_copy_buf_props(AVFrame *dst, const AVFilterBufferRef *src);
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*/
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const AVClass *avfilter_get_class(void);
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typedef struct AVFilterGraph {
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const AVClass *av_class;
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#if FF_API_FOO_COUNT
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attribute_deprecated
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unsigned filter_count;
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#endif
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AVFilterContext **filters;
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#if !FF_API_FOO_COUNT
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unsigned nb_filters;
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#endif
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char *scale_sws_opts; ///< sws options to use for the auto-inserted scale filters
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char *resample_lavr_opts; ///< libavresample options to use for the auto-inserted resample filters
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#if FF_API_FOO_COUNT
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unsigned nb_filters;
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#endif
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} AVFilterGraph;
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/**
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* Allocate a filter graph.
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*/
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AVFilterGraph *avfilter_graph_alloc(void);
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/**
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* Get a filter instance with name name from graph.
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*
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* @return the pointer to the found filter instance or NULL if it
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* cannot be found.
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*/
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AVFilterContext *avfilter_graph_get_filter(AVFilterGraph *graph, char *name);
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/**
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* Add an existing filter instance to a filter graph.
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*
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* @param graphctx the filter graph
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* @param filter the filter to be added
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*/
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int avfilter_graph_add_filter(AVFilterGraph *graphctx, AVFilterContext *filter);
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/**
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* Create and add a filter instance into an existing graph.
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* The filter instance is created from the filter filt and inited
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* with the parameters args and opaque.
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*
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* In case of success put in *filt_ctx the pointer to the created
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* filter instance, otherwise set *filt_ctx to NULL.
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*
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* @param name the instance name to give to the created filter instance
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* @param graph_ctx the filter graph
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* @return a negative AVERROR error code in case of failure, a non
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* negative value otherwise
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*/
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int avfilter_graph_create_filter(AVFilterContext **filt_ctx, AVFilter *filt,
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const char *name, const char *args, void *opaque,
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AVFilterGraph *graph_ctx);
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/**
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* Check validity and configure all the links and formats in the graph.
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*
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* @param graphctx the filter graph
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* @param log_ctx context used for logging
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* @return 0 in case of success, a negative AVERROR code otherwise
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*/
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int avfilter_graph_config(AVFilterGraph *graphctx, void *log_ctx);
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/**
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* Free a graph, destroy its links, and set *graph to NULL.
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* If *graph is NULL, do nothing.
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*/
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void avfilter_graph_free(AVFilterGraph **graph);
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/**
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* A linked-list of the inputs/outputs of the filter chain.
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*
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* This is mainly useful for avfilter_graph_parse() / avfilter_graph_parse2(),
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* where it is used to communicate open (unlinked) inputs and outputs from and
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* to the caller.
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* This struct specifies, per each not connected pad contained in the graph, the
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* filter context and the pad index required for establishing a link.
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*/
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typedef struct AVFilterInOut {
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/** unique name for this input/output in the list */
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char *name;
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/** filter context associated to this input/output */
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AVFilterContext *filter_ctx;
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/** index of the filt_ctx pad to use for linking */
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int pad_idx;
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/** next input/input in the list, NULL if this is the last */
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struct AVFilterInOut *next;
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} AVFilterInOut;
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/**
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* Allocate a single AVFilterInOut entry.
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* Must be freed with avfilter_inout_free().
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* @return allocated AVFilterInOut on success, NULL on failure.
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*/
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AVFilterInOut *avfilter_inout_alloc(void);
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/**
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* Free the supplied list of AVFilterInOut and set *inout to NULL.
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* If *inout is NULL, do nothing.
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*/
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void avfilter_inout_free(AVFilterInOut **inout);
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/**
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* Add a graph described by a string to a graph.
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*
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* @param graph the filter graph where to link the parsed graph context
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* @param filters string to be parsed
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* @param inputs linked list to the inputs of the graph
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* @param outputs linked list to the outputs of the graph
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* @return zero on success, a negative AVERROR code on error
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*/
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int avfilter_graph_parse(AVFilterGraph *graph, const char *filters,
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AVFilterInOut *inputs, AVFilterInOut *outputs,
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void *log_ctx);
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/**
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* Add a graph described by a string to a graph.
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*
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* @param[in] graph the filter graph where to link the parsed graph context
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* @param[in] filters string to be parsed
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* @param[out] inputs a linked list of all free (unlinked) inputs of the
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* parsed graph will be returned here. It is to be freed
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* by the caller using avfilter_inout_free().
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* @param[out] outputs a linked list of all free (unlinked) outputs of the
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* parsed graph will be returned here. It is to be freed by the
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* caller using avfilter_inout_free().
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* @return zero on success, a negative AVERROR code on error
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*
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* @note the difference between avfilter_graph_parse2() and
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* avfilter_graph_parse() is that in avfilter_graph_parse(), the caller provides
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* the lists of inputs and outputs, which therefore must be known before calling
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* the function. On the other hand, avfilter_graph_parse2() \em returns the
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* inputs and outputs that are left unlinked after parsing the graph and the
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* caller then deals with them. Another difference is that in
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* avfilter_graph_parse(), the inputs parameter describes inputs of the
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* <em>already existing</em> part of the graph; i.e. from the point of view of
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* the newly created part, they are outputs. Similarly the outputs parameter
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* describes outputs of the already existing filters, which are provided as
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* inputs to the parsed filters.
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* avfilter_graph_parse2() takes the opposite approach -- it makes no reference
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* whatsoever to already existing parts of the graph and the inputs parameter
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* will on return contain inputs of the newly parsed part of the graph.
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* Analogously the outputs parameter will contain outputs of the newly created
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* filters.
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*/
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int avfilter_graph_parse2(AVFilterGraph *graph, const char *filters,
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AVFilterInOut **inputs,
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AVFilterInOut **outputs);
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#endif /* AVFILTER_AVFILTER_H */
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@ -28,7 +28,6 @@
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#include "libavutil/common.h"
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#include "libavutil/log.h"
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#include "avfilter.h"
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#include "avfiltergraph.h"
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#include "formats.h"
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#include "internal.h"
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@ -25,158 +25,5 @@
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#include "avfilter.h"
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#include "libavutil/log.h"
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typedef struct AVFilterGraph {
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const AVClass *av_class;
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#if FF_API_FOO_COUNT
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attribute_deprecated
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unsigned filter_count;
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#endif
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AVFilterContext **filters;
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#if !FF_API_FOO_COUNT
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unsigned nb_filters;
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#endif
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char *scale_sws_opts; ///< sws options to use for the auto-inserted scale filters
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char *resample_lavr_opts; ///< libavresample options to use for the auto-inserted resample filters
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#if FF_API_FOO_COUNT
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unsigned nb_filters;
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#endif
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} AVFilterGraph;
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/**
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* Allocate a filter graph.
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*/
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AVFilterGraph *avfilter_graph_alloc(void);
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/**
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* Get a filter instance with name name from graph.
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*
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* @return the pointer to the found filter instance or NULL if it
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* cannot be found.
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*/
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AVFilterContext *avfilter_graph_get_filter(AVFilterGraph *graph, char *name);
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/**
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* Add an existing filter instance to a filter graph.
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*
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* @param graphctx the filter graph
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* @param filter the filter to be added
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*/
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int avfilter_graph_add_filter(AVFilterGraph *graphctx, AVFilterContext *filter);
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/**
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* Create and add a filter instance into an existing graph.
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* The filter instance is created from the filter filt and inited
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* with the parameters args and opaque.
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*
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* In case of success put in *filt_ctx the pointer to the created
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* filter instance, otherwise set *filt_ctx to NULL.
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*
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* @param name the instance name to give to the created filter instance
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* @param graph_ctx the filter graph
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* @return a negative AVERROR error code in case of failure, a non
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* negative value otherwise
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*/
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int avfilter_graph_create_filter(AVFilterContext **filt_ctx, AVFilter *filt,
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const char *name, const char *args, void *opaque,
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AVFilterGraph *graph_ctx);
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/**
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* Check validity and configure all the links and formats in the graph.
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*
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* @param graphctx the filter graph
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* @param log_ctx context used for logging
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* @return 0 in case of success, a negative AVERROR code otherwise
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*/
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int avfilter_graph_config(AVFilterGraph *graphctx, void *log_ctx);
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/**
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* Free a graph, destroy its links, and set *graph to NULL.
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* If *graph is NULL, do nothing.
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*/
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void avfilter_graph_free(AVFilterGraph **graph);
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/**
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* A linked-list of the inputs/outputs of the filter chain.
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*
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* This is mainly useful for avfilter_graph_parse() / avfilter_graph_parse2(),
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* where it is used to communicate open (unlinked) inputs and outputs from and
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* to the caller.
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* This struct specifies, per each not connected pad contained in the graph, the
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* filter context and the pad index required for establishing a link.
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*/
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typedef struct AVFilterInOut {
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/** unique name for this input/output in the list */
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char *name;
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/** filter context associated to this input/output */
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AVFilterContext *filter_ctx;
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/** index of the filt_ctx pad to use for linking */
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int pad_idx;
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/** next input/input in the list, NULL if this is the last */
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struct AVFilterInOut *next;
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} AVFilterInOut;
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/**
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* Allocate a single AVFilterInOut entry.
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* Must be freed with avfilter_inout_free().
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* @return allocated AVFilterInOut on success, NULL on failure.
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*/
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AVFilterInOut *avfilter_inout_alloc(void);
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/**
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* Free the supplied list of AVFilterInOut and set *inout to NULL.
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* If *inout is NULL, do nothing.
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*/
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void avfilter_inout_free(AVFilterInOut **inout);
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/**
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* Add a graph described by a string to a graph.
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*
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* @param graph the filter graph where to link the parsed graph context
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* @param filters string to be parsed
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* @param inputs linked list to the inputs of the graph
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* @param outputs linked list to the outputs of the graph
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* @return zero on success, a negative AVERROR code on error
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*/
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int avfilter_graph_parse(AVFilterGraph *graph, const char *filters,
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AVFilterInOut *inputs, AVFilterInOut *outputs,
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void *log_ctx);
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/**
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* Add a graph described by a string to a graph.
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*
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* @param[in] graph the filter graph where to link the parsed graph context
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* @param[in] filters string to be parsed
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* @param[out] inputs a linked list of all free (unlinked) inputs of the
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* parsed graph will be returned here. It is to be freed
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* by the caller using avfilter_inout_free().
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* @param[out] outputs a linked list of all free (unlinked) outputs of the
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* parsed graph will be returned here. It is to be freed by the
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* caller using avfilter_inout_free().
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* @return zero on success, a negative AVERROR code on error
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*
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* @note the difference between avfilter_graph_parse2() and
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* avfilter_graph_parse() is that in avfilter_graph_parse(), the caller provides
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* the lists of inputs and outputs, which therefore must be known before calling
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* the function. On the other hand, avfilter_graph_parse2() \em returns the
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* inputs and outputs that are left unlinked after parsing the graph and the
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* caller then deals with them. Another difference is that in
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* avfilter_graph_parse(), the inputs parameter describes inputs of the
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* <em>already existing</em> part of the graph; i.e. from the point of view of
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* the newly created part, they are outputs. Similarly the outputs parameter
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* describes outputs of the already existing filters, which are provided as
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* inputs to the parsed filters.
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* avfilter_graph_parse2() takes the opposite approach -- it makes no reference
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* whatsoever to already existing parts of the graph and the inputs parameter
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* will on return contain inputs of the newly parsed part of the graph.
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* Analogously the outputs parameter will contain outputs of the newly created
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* filters.
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*/
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int avfilter_graph_parse2(AVFilterGraph *graph, const char *filters,
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AVFilterInOut **inputs,
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AVFilterInOut **outputs);
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#endif /* AVFILTER_AVFILTERGRAPH_H */
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@ -26,7 +26,6 @@
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#include "libavutil/avstring.h"
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#include "libavutil/mem.h"
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#include "avfilter.h"
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#include "avfiltergraph.h"
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#define WHITESPACES " \n\t"
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@ -29,7 +29,7 @@
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#include "libavutil/avutil.h"
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#define LIBAVFILTER_VERSION_MAJOR 3
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#define LIBAVFILTER_VERSION_MINOR 7
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#define LIBAVFILTER_VERSION_MINOR 8
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#define LIBAVFILTER_VERSION_MICRO 0
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#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
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@ -28,7 +28,7 @@
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#include "libavutil/mem.h"
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#include "libavutil/pixdesc.h"
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#include "libavutil/audioconvert.h"
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#include "libavfilter/avfiltergraph.h"
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#include "libavfilter/avfilter.h"
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#if !HAVE_GETOPT
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#include "compat/getopt.c"
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