diff options
Diffstat (limited to 'ffmpeg/darwin-aarch64/include/libavfilter/avfilter.h')
| -rw-r--r-- | ffmpeg/darwin-aarch64/include/libavfilter/avfilter.h | 191 |
1 files changed, 86 insertions, 105 deletions
diff --git a/ffmpeg/darwin-aarch64/include/libavfilter/avfilter.h b/ffmpeg/darwin-aarch64/include/libavfilter/avfilter.h index 73a723d..be12424 100644 --- a/ffmpeg/darwin-aarch64/include/libavfilter/avfilter.h +++ b/ffmpeg/darwin-aarch64/include/libavfilter/avfilter.h @@ -68,6 +68,7 @@ typedef struct AVFilterContext AVFilterContext; typedef struct AVFilterLink AVFilterLink; typedef struct AVFilterPad AVFilterPad; typedef struct AVFilterFormats AVFilterFormats; +typedef struct AVFilterChannelLayouts AVFilterChannelLayouts; /** * Get the number of elements in a NULL-terminated array of AVFilterPads (e.g. @@ -79,7 +80,7 @@ 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 + * @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 @@ -264,13 +265,13 @@ typedef struct AVFilter { * 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 + * This callback must set AVFilterLink.outcfg.formats on every input link and + * AVFilterLink.incfg.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. + * filter must also set @ref AVFilterLink.incfg.samplerates "in_samplerates" / + * @ref AVFilterLink.outcfg.samplerates "out_samplerates" and + * @ref AVFilterLink.incfg.channel_layouts "in_channel_layouts" / + * @ref AVFilterLink.outcfg.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 @@ -285,11 +286,13 @@ typedef struct AVFilter { int flags_internal; ///< Additional flags for avfilter internal use only. +#if FF_API_NEXT /** * Used by the filter registration system. Must not be touched by any other * code. */ struct AVFilter *next; +#endif /** * Make the filter instance process a command. @@ -406,9 +409,54 @@ struct AVFilterContext { * a higher value suggests a more urgent activation. */ unsigned 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. + */ + int extra_hw_frames; }; /** + * Lists of formats / etc. supported by an end of a link. + * + * This structure is directly part of AVFilterLink, in two copies: + * one for the source filter, one for the destination filter. + + * These lists are used for negotiating the format to actually be used, + * which will be loaded into the format and channel_layout members of + * AVFilterLink, when chosen. + */ +typedef struct AVFilterFormatsConfig { + + /** + * List of supported formats (pixel or sample). + */ + AVFilterFormats *formats; + + /** + * Lists of supported sample rates, only for audio. + */ + AVFilterFormats *samplerates; + + /** + * Lists of supported channel layouts, only for audio. + */ + AVFilterChannelLayouts *channel_layouts; + +} AVFilterFormatsConfig; + +/** * 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 @@ -455,33 +503,16 @@ struct AVFilterLink { * 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. - * - */ - AVFilterFormats *in_formats; - AVFilterFormats *out_formats; /** - * Lists of channel layouts and sample rates used for automatic - * negotiation. + * Lists of supported formats / etc. supported by the input filter. */ - AVFilterFormats *in_samplerates; - AVFilterFormats *out_samplerates; - struct AVFilterChannelLayouts *in_channel_layouts; - struct AVFilterChannelLayouts *out_channel_layouts; + AVFilterFormatsConfig incfg; /** - * 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. + * Lists of supported formats / etc. supported by the output filter. */ - int request_samples; + AVFilterFormatsConfig outcfg; /** stage of the initialization of the link properties (dimensions, etc) */ enum { @@ -557,11 +588,6 @@ struct AVFilterLink { int channels; /** - * Link processing flags. - */ - unsigned flags; - - /** * Number of past frames sent through the link. */ int64_t frame_count_in, frame_count_out; @@ -647,11 +673,15 @@ int avfilter_link(AVFilterContext *src, unsigned srcpad, */ void avfilter_link_free(AVFilterLink **link); +#if FF_API_FILTER_GET_SET /** * Get the number of channels of a link. + * @deprecated Use av_buffersink_get_channels() */ +attribute_deprecated int avfilter_link_get_channels(AVFilterLink *link); - +#endif +#if FF_API_FILTER_LINK_SET_CLOSED /** * Set the closed field of a link. * @deprecated applications are not supposed to mess with links, they should @@ -659,7 +689,7 @@ int avfilter_link_get_channels(AVFilterLink *link); */ attribute_deprecated void avfilter_link_set_closed(AVFilterLink *link, int closed); - +#endif /** * Negotiate the media format, dimensions, etc of all inputs to a filter. * @@ -677,14 +707,21 @@ int avfilter_config_links(AVFilterContext *filter); */ int avfilter_process_command(AVFilterContext *filter, const char *cmd, const char *arg, char *res, int res_len, int flags); -/** Initialize the filter system. Register all builtin filters. */ -void avfilter_register_all(void); +/** + * 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 + */ +const AVFilter *av_filter_iterate(void **opaque); -#if FF_API_OLD_FILTER_REGISTER -/** Uninitialize the filter system. Unregister all filters. */ +#if FF_API_NEXT +/** Initialize the filter system. Register all builtin filters. */ attribute_deprecated -void avfilter_uninit(void); -#endif +void avfilter_register_all(void); /** * Register a filter. This is only needed if you plan to use @@ -696,70 +733,28 @@ void avfilter_uninit(void); * @return 0 if the registration was successful, a negative value * otherwise */ +attribute_deprecated int avfilter_register(AVFilter *filter); /** - * 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. - */ -#if !FF_API_NOCONST_GET_NAME -const -#endif -AVFilter *avfilter_get_by_name(const char *name); - -/** * 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. */ -const AVFilter *avfilter_next(const AVFilter *prev); - -#if FF_API_OLD_FILTER_REGISTER -/** - * If filter is NULL, returns a pointer to the first registered filter pointer, - * if filter is non-NULL, returns the next pointer after filter. - * If the returned pointer points to NULL, the last registered filter - * was already reached. - * @deprecated use avfilter_next() - */ attribute_deprecated -AVFilter **av_filter_next(AVFilter **filter); +const AVFilter *avfilter_next(const AVFilter *prev); #endif -#if FF_API_AVFILTER_OPEN /** - * Create a filter instance. + * Get a filter definition matching the given name. * - * @param filter_ctx put here a pointer to the created filter context - * on success, NULL on failure - * @param filter the filter to create an instance of - * @param inst_name Name to give to the new instance. Can be NULL for none. - * @return >= 0 in case of success, a negative error code otherwise - * @deprecated use avfilter_graph_alloc_filter() instead + * @param name the filter name to find + * @return the filter definition, if any matching one is registered. + * NULL if none found. */ -attribute_deprecated -int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name); -#endif +const AVFilter *avfilter_get_by_name(const char *name); -#if FF_API_AVFILTER_INIT_FILTER -/** - * Initialize a filter. - * - * @param filter the filter to initialize - * @param args A string of parameters to use when initializing the filter. - * The format and meaning of this string varies by filter. - * @param opaque Any extra non-string data needed by the filter. The meaning - * of this parameter varies by filter. - * @return zero on success - */ -attribute_deprecated -int avfilter_init_filter(AVFilterContext *filter, const char *args, void *opaque); -#endif - /** * Initialize a filter with the supplied parameters. * @@ -959,24 +954,10 @@ AVFilterContext *avfilter_graph_alloc_filter(AVFilterGraph *graph, */ AVFilterContext *avfilter_graph_get_filter(AVFilterGraph *graph, const char *name); -#if FF_API_AVFILTER_OPEN -/** - * Add an existing filter instance to a filter graph. - * - * @param graphctx the filter graph - * @param filter the filter to be added - * - * @deprecated use avfilter_graph_alloc_filter() to allocate a filter in a - * filter graph - */ -attribute_deprecated -int avfilter_graph_add_filter(AVFilterGraph *graphctx, AVFilterContext *filter); -#endif - /** * 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. + * with the parameter args. opaque is currently ignored. * * In case of success put in *filt_ctx the pointer to the created * filter instance, otherwise set *filt_ctx to NULL. |