diff options
Diffstat (limited to 'include/asterisk/frame.h')
| -rw-r--r-- | include/asterisk/frame.h | 80 |
1 files changed, 7 insertions, 73 deletions
diff --git a/include/asterisk/frame.h b/include/asterisk/frame.h index 846832aff..a981c7e72 100644 --- a/include/asterisk/frame.h +++ b/include/asterisk/frame.h @@ -31,7 +31,6 @@ extern "C" { #include <sys/time.h> -#include "asterisk/format_pref.h" #include "asterisk/format.h" #include "asterisk/endian.h" #include "asterisk/linkedlists.h" @@ -136,9 +135,13 @@ enum { AST_FRFLAG_HAS_TIMING_INFO = (1 << 0), }; -union ast_frame_subclass { +struct ast_frame_subclass { + /*! A frame specific code */ int integer; - struct ast_format format; + /*! The asterisk media format */ + struct ast_format *format; + /*! For video formats, an indication that a frame ended */ + unsigned int frame_ending; }; /*! \brief Data structure associated with a single frame of data @@ -147,7 +150,7 @@ struct ast_frame { /*! Kind of frame */ enum ast_frame_type frametype; /*! Subclass, frame dependent */ - union ast_frame_subclass subclass; + struct ast_frame_subclass subclass; /*! Length of data */ int datalen; /*! Number of samples in this frame */ @@ -384,9 +387,6 @@ struct ast_control_pvt_cause_code { char code[1]; /*!< Tech-specific cause code information, beginning with the name of the tech */ }; -#define AST_SMOOTHER_FLAG_G729 (1 << 0) -#define AST_SMOOTHER_FLAG_BE (1 << 1) - /* Option identifiers and flags */ #define AST_OPTION_FLAG_REQUEST 0 #define AST_OPTION_FLAG_ACCEPT 1 @@ -565,77 +565,11 @@ void ast_swapcopy_samples(void *dst, const void *src, int samples); #define ast_frame_byteswap_be(fr) do { ; } while(0) #endif -/*! \brief Parse an "allow" or "deny" line in a channel or device configuration - and update the capabilities and pref if provided. - Video codecs are not added to codec preference lists, since we can not transcode - \return Returns number of errors encountered during parsing - */ -int ast_parse_allow_disallow(struct ast_codec_pref *pref, struct ast_format_cap *cap, const char *list, int allowing); - -/*! \name AST_Smoother -*/ -/*@{ */ -/*! \page ast_smooth The AST Frame Smoother -The ast_smoother interface was designed specifically -to take frames of variant sizes and produce frames of a single expected -size, precisely what you want to do. - -The basic interface is: - -- Initialize with ast_smoother_new() -- Queue input frames with ast_smoother_feed() -- Get output frames with ast_smoother_read() -- when you're done, free the structure with ast_smoother_free() -- Also see ast_smoother_test_flag(), ast_smoother_set_flags(), ast_smoother_get_flags(), ast_smoother_reset() -*/ -struct ast_smoother; - -struct ast_smoother *ast_smoother_new(int bytes); -void ast_smoother_set_flags(struct ast_smoother *smoother, int flags); -int ast_smoother_get_flags(struct ast_smoother *smoother); -int ast_smoother_test_flag(struct ast_smoother *s, int flag); -void ast_smoother_free(struct ast_smoother *s); -void ast_smoother_reset(struct ast_smoother *s, int bytes); - -/*! - * \brief Reconfigure an existing smoother to output a different number of bytes per frame - * \param s the smoother to reconfigure - * \param bytes the desired number of bytes per output frame - * \return nothing - * - */ -void ast_smoother_reconfigure(struct ast_smoother *s, int bytes); - -int __ast_smoother_feed(struct ast_smoother *s, struct ast_frame *f, int swap); -struct ast_frame *ast_smoother_read(struct ast_smoother *s); -#define ast_smoother_feed(s,f) __ast_smoother_feed(s, f, 0) -#if __BYTE_ORDER == __LITTLE_ENDIAN -#define ast_smoother_feed_be(s,f) __ast_smoother_feed(s, f, 1) -#define ast_smoother_feed_le(s,f) __ast_smoother_feed(s, f, 0) -#else -#define ast_smoother_feed_be(s,f) __ast_smoother_feed(s, f, 0) -#define ast_smoother_feed_le(s,f) __ast_smoother_feed(s, f, 1) -#endif -/*@} Doxygen marker */ - void ast_frame_dump(const char *name, struct ast_frame *f, char *prefix); -/*! \brief Returns the number of samples contained in the frame */ -int ast_codec_get_samples(struct ast_frame *f); - -/*! \brief Returns the number of bytes for the number of samples of the given format */ -int ast_codec_get_len(struct ast_format *format, int samples); - /*! \brief Appends a frame to the end of a list of frames, truncating the maximum length of the list */ struct ast_frame *ast_frame_enqueue(struct ast_frame *head, struct ast_frame *f, int maxlen, int dupe); - -/*! \brief Gets duration in ms of interpolation frame for a format */ -static inline int ast_codec_interp_len(struct ast_format *format) -{ - return (format->id == AST_FORMAT_ILBC) ? 30 : 20; -} - /*! \brief Adjusts the volume of the audio samples contained in a frame. \param f The frame containing the samples (must be AST_FRAME_VOICE and AST_FORMAT_SLINEAR) |