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authorMichael Niedermayer <michaelni@gmx.at>2013-04-11 23:40:41 +0200
committerMichael Niedermayer <michaelni@gmx.at>2013-04-11 23:50:39 +0200
commit231fd4411ff35762cb82145c9bebc2dd1db191e0 (patch)
tree053e96f54c1d5ad892d0546b5260f6c32cf329b1 /libavfilter/avfiltergraph.h
parent9110f95985a0860ba7707cb57524a756c74551e3 (diff)
parent38f0c0781a6e099f11c0acec07f9b8be742190c4 (diff)
Merge commit '38f0c0781a6e099f11c0acec07f9b8be742190c4'
* commit '38f0c0781a6e099f11c0acec07f9b8be742190c4': lavfi: merge avfiltergraph.h into avfilter.h Conflicts: doc/APIchanges ffmpeg_filter.c libavfilter/avfilter.h libavfilter/avfiltergraph.h libavfilter/version.h tools/graph2dot.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavfilter/avfiltergraph.h')
-rw-r--r--libavfilter/avfiltergraph.h252
1 files changed, 0 insertions, 252 deletions
diff --git a/libavfilter/avfiltergraph.h b/libavfilter/avfiltergraph.h
index 2210bfe0fd..b31d581ca0 100644
--- a/libavfilter/avfiltergraph.h
+++ b/libavfilter/avfiltergraph.h
@@ -25,256 +25,4 @@
#include "avfilter.h"
#include "libavutil/log.h"
-typedef struct AVFilterGraph {
- const AVClass *av_class;
-#if FF_API_FOO_COUNT
- attribute_deprecated
- unsigned filter_count_unused;
-#endif
- AVFilterContext **filters;
-#if !FF_API_FOO_COUNT
- unsigned nb_filters;
-#endif
-
- char *scale_sws_opts; ///< sws options to use for the auto-inserted scale filters
- char *resample_lavr_opts; ///< libavresample options to use for the auto-inserted resample filters
-#if FF_API_FOO_COUNT
- unsigned nb_filters;
-#endif
- char *aresample_swr_opts; ///< swr options to use for the auto-inserted aresample filters, Access ONLY through AVOptions
-
- /**
- * Private fields
- *
- * The following fields are for internal use only.
- * Their type, offset, number and semantic can change without notice.
- */
-
- AVFilterLink **sink_links;
- int sink_links_count;
-
- unsigned disable_auto_convert;
-} AVFilterGraph;
-
-/**
- * Allocate a filter graph.
- */
-AVFilterGraph *avfilter_graph_alloc(void);
-
-/**
- * Get a filter instance with name name from graph.
- *
- * @return the pointer to the found filter instance or NULL if it
- * cannot be found.
- */
-AVFilterContext *avfilter_graph_get_filter(AVFilterGraph *graph, char *name);
-
-/**
- * Add an existing filter instance to a filter graph.
- *
- * @param graphctx the filter graph
- * @param filter the filter to be added
- */
-int avfilter_graph_add_filter(AVFilterGraph *graphctx, AVFilterContext *filter);
-
-/**
- * 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
- */
-int avfilter_graph_create_filter(AVFilterContext **filt_ctx, AVFilter *filt,
- const char *name, const char *args, void *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
- */
-void avfilter_graph_set_auto_convert(AVFilterGraph *graph, unsigned flags);
-
-enum {
- AVFILTER_AUTO_CONVERT_ALL = 0, /**< all automatic conversions enabled */
- AVFILTER_AUTO_CONVERT_NONE = -1, /**< all automatic conversions disabled */
-};
-
-/**
- * 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
- */
-int avfilter_graph_config(AVFilterGraph *graphctx, void *log_ctx);
-
-/**
- * Free a graph, destroy its links, and set *graph to NULL.
- * If *graph is NULL, do nothing.
- */
-void avfilter_graph_free(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.
- */
-typedef struct AVFilterInOut {
- /** unique name for this input/output in the list */
- char *name;
-
- /** filter context associated to this input/output */
- AVFilterContext *filter_ctx;
-
- /** index of the filt_ctx pad to use for linking */
- int pad_idx;
-
- /** next input/input in the list, NULL if this is the last */
- struct AVFilterInOut *next;
-} AVFilterInOut;
-
-/**
- * Allocate a single AVFilterInOut entry.
- * Must be freed with avfilter_inout_free().
- * @return allocated AVFilterInOut on success, NULL on failure.
- */
-AVFilterInOut *avfilter_inout_alloc(void);
-
-/**
- * Free the supplied list of AVFilterInOut and set *inout to NULL.
- * If *inout is NULL, do nothing.
- */
-void avfilter_inout_free(AVFilterInOut **inout);
-
-/**
- * Add a graph described by a string to a graph.
- *
- * @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
- */
-int avfilter_graph_parse(AVFilterGraph *graph, const char *filters,
- AVFilterInOut **inputs, AVFilterInOut **outputs,
- void *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 the difference between avfilter_graph_parse2() and
- * avfilter_graph_parse() is that in avfilter_graph_parse(), the caller provides
- * the lists of inputs and outputs, which therefore must be known before calling
- * the function. On the other hand, avfilter_graph_parse2() \em returns the
- * inputs and outputs that are left unlinked after parsing the graph and the
- * caller then deals with them. Another difference is that in
- * avfilter_graph_parse(), the inputs parameter describes inputs of the
- * <em>already existing</em> 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.
- * avfilter_graph_parse2() takes the opposite approach -- it 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.
- */
-int avfilter_graph_parse2(AVFilterGraph *graph, const char *filters,
- AVFilterInOut **inputs,
- 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 sent, 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.
- *
- * @returns >=0 on success otherwise an error code.
- * AVERROR(ENOSYS) on unsupported commands
- */
-int avfilter_graph_send_command(AVFilterGraph *graph, const char *target, const char *cmd, const char *arg, char *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 alphanummeric 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.
- */
-int avfilter_graph_queue_command(AVFilterGraph *graph, const char *target, const char *cmd, const char *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
- */
-char *avfilter_graph_dump(AVFilterGraph *graph, const char *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
- */
-int avfilter_graph_request_oldest(AVFilterGraph *graph);
-
#endif /* AVFILTER_AVFILTERGRAPH_H */