From 559a400ac36e75a8d73ba263fd7fa6736df1c2da Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Fri, 31 Aug 2018 12:48:36 +0200
Subject: demux, stream: rip out the classic stream cache

The demuxer cache is the only cache now. Might need another change to
combat seeking failures in mp4 etc. The only bad thing is the loss of
cache-speed, which was sort of nice to have.
---
 stream/stream.h | 27 ---------------------------
 1 file changed, 27 deletions(-)

(limited to 'stream/stream.h')

diff --git a/stream/stream.h b/stream/stream.h
index 2f59e5318f..c91843de8a 100644
--- a/stream/stream.h
+++ b/stream/stream.h
@@ -52,11 +52,6 @@
 enum stream_ctrl {
     STREAM_CTRL_GET_SIZE = 1,
 
-    // Cache
-    STREAM_CTRL_GET_CACHE_INFO,
-    STREAM_CTRL_SET_CACHE_SIZE,
-    STREAM_CTRL_SET_READAHEAD,
-
     // stream_memory.c
     STREAM_CTRL_SET_CONTENTS,
 
@@ -104,14 +99,6 @@ enum stream_ctrl {
     STREAM_CTRL_SET_CURRENT_TITLE,
 };
 
-// for STREAM_CTRL_GET_CACHE_INFO
-struct stream_cache_info {
-    int64_t size;
-    int64_t fill;
-    bool idle;
-    int64_t speed;
-};
-
 struct stream_lang_req {
     int type;     // STREAM_AUDIO, STREAM_SUB
     int id;
@@ -179,8 +166,6 @@ typedef struct stream {
     bool seekable : 1; // presence of general byte seeking support
     bool fast_skip : 1; // consider stream fast enough to fw-seek by skipping
     bool is_network : 1; // original stream_info_t.is_network flag
-    bool allow_caching : 1; // stream cache makes sense
-    bool caching : 1; // is a cache, or accesses a cache
     bool is_local_file : 1; // from the filesystem
     bool is_directory : 1; // directory on the filesystem
     bool access_references : 1; // open other streams
@@ -190,24 +175,12 @@ typedef struct stream {
 
     struct mp_cancel *cancel;   // cancellation notification
 
-    struct stream *underlying;  // e.g. cache wrapper
-
     // Includes additional padding in case sizes get rounded up by sector size.
     unsigned char buffer[];
 } stream_t;
 
 int stream_fill_buffer(stream_t *s);
 
-struct mp_cache_opts;
-bool stream_wants_cache(stream_t *stream, struct mp_cache_opts *opts);
-int stream_enable_cache_defaults(stream_t **stream);
-
-// Internal
-int stream_cache_init(stream_t *cache, stream_t *stream,
-                      struct mp_cache_opts *opts);
-int stream_file_cache_init(stream_t *cache, stream_t *stream,
-                           struct mp_cache_opts *opts);
-
 int stream_write_buffer(stream_t *s, unsigned char *buf, int len);
 
 inline static int stream_read_char(stream_t *s)
-- 
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