[src/isaki-audio2]: src/sys/dev/audio Good bye stream_filter.

[isaki <isaki%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/deeb743e6ded
branches:  isaki-audio2
changeset: 451164:deeb743e6ded
user:      isaki <isaki%NetBSD.org@localhost>
date:      Wed May 08 11:57:52 2019 +0000

description:
Good bye stream_filter.

diffstat:

 sys/dev/audio/audio_if.h |  104 +----------------------------------------------
 1 files changed, 1 insertions(+), 103 deletions(-)

diffs (125 lines):

diff -r 903972981dad -r deeb743e6ded sys/dev/audio/audio_if.h
--- a/sys/dev/audio/audio_if.h  Wed May 08 11:56:09 2019 +0000
+++ b/sys/dev/audio/audio_if.h  Wed May 08 11:57:52 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: audio_if.h,v 1.1.2.1 2019/05/04 07:20:09 isaki Exp $   */
+/*     $NetBSD: audio_if.h,v 1.1.2.2 2019/05/08 11:57:52 isaki Exp $   */
 
 /*
  * Copyright (c) 1994 Havard Eidnes.
@@ -72,107 +72,6 @@
 #define        AUFMT_VALIDATE(fmt)     (fmt)->mode &= 0x7fffffff
 #define        AUFMT_IS_VALID(fmt)     (((fmt)->mode & 0x80000000) == 0)
 
-/**
- * audio stream buffer
- */
-typedef struct audio_stream {
-       size_t bufsize;         /* allocated memory */
-       uint8_t *start;         /* start of buffer area */
-       uint8_t *end;           /* end of valid buffer area */
-       uint8_t *inp;           /* address to be written next */
-       const uint8_t *outp;    /* address to be read next */
-       int used;               /* valid data size in this stream */
-       audio_params_t param;   /* represents this stream */
-       bool loop;
-} audio_stream_t;
-
-static __inline int
-audio_stream_get_space(const audio_stream_t *s)
-{
-       if (s)
-               return (s->end - s->start) - s->used;
-       return 0;
-}
-
-static __inline int
-audio_stream_get_used(const audio_stream_t *s)
-{
-       return s ? s->used : 0;
-}
-
-static __inline uint8_t *
-audio_stream_add_inp(audio_stream_t *s, uint8_t *v, int diff)
-{
-       s->used += diff;
-       v += diff;
-       if (v >= s->end)
-               v -= s->end - s->start;
-       return v;
-}
-
-static __inline const uint8_t *
-audio_stream_add_outp(audio_stream_t *s, const uint8_t *v, int diff)
-{
-       s->used -= diff;
-       v += diff;
-       if (v >= s->end)
-               v -= s->end - s->start;
-       return v;
-}
-
-/**
- * an interface to fill a audio stream buffer
- */
-typedef struct stream_fetcher {
-       int (*fetch_to)(struct audio_softc *, struct stream_fetcher *,
-            audio_stream_t *, int);
-} stream_fetcher_t;
-
-/**
- * audio stream filter.
- * This must be an extension of stream_fetcher_t.
- */
-typedef struct stream_filter {
-/* public: */
-       stream_fetcher_t base;
-       void (*dtor)(struct stream_filter *);
-       void (*set_fetcher)(struct stream_filter *, stream_fetcher_t *);
-       void (*set_inputbuffer)(struct stream_filter *, audio_stream_t *);
-/* private: */
-       stream_fetcher_t *prev;
-       audio_stream_t *src;
-} stream_filter_t;
-
-/**
- * factory method for stream_filter_t
- */
-typedef stream_filter_t *stream_filter_factory_t(struct audio_softc *,
-       const audio_params_t *, const audio_params_t *);
-
-/**
- * filter pipeline request
- *
- * filters[0] is the first filter for playing or the last filter for recording.
- * The audio_params_t instance for the hardware is filters[0].param.
- */
-#ifndef AUDIO_MAX_FILTERS
-# define AUDIO_MAX_FILTERS     8
-#endif
-typedef struct stream_filter_list {
-       void (*append)(struct stream_filter_list *, stream_filter_factory_t,
-                      const audio_params_t *);
-       void (*prepend)(struct stream_filter_list *, stream_filter_factory_t,
-                       const audio_params_t *);
-       void (*set)(struct stream_filter_list *, int, stream_filter_factory_t,
-                   const audio_params_t *);
-       int req_size;
-       struct stream_filter_req {
-               stream_filter_factory_t *factory;
-               audio_params_t param; /* from-param for recording,
-                                        to-param for playing */
-       } filters[AUDIO_MAX_FILTERS];
-} stream_filter_list_t;
-
 #include <dev/audio/audiofil.h>
 
 struct audio_hw_if {
@@ -232,7 +131,6 @@
                    void (*)(void *), void *, const audio_params_t *);
        int     (*dev_ioctl)(void *, u_long, void *, int, struct lwp *);
        void    (*get_locks)(void *, kmutex_t **, kmutex_t **);
-
 };
 
 struct audio_attach_args {