1 files changed, 0 insertions, 155 deletions
diff --git a/core/mp_ring.c b/core/mp_ring.c
deleted file mode 100644
index bd94870710..0000000000
--- a/core/mp_ring.c
+++ /dev/null
@@ -1,155 +0,0 @@
-/*
- * This file is part of mpv.
- * Copyright (c) 2012 wm4
- * Copyright (c) 2013 Stefano Pigozzi <stefano.pigozzi@gmail.com>
- *
- * mpv is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * mpv is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with mpv.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <inttypes.h>
-#include <libavutil/common.h>
-#include <assert.h>
-#include "talloc.h"
-#include "core/mp_memory_barrier.h"
-#include "core/mp_ring.h"
-
-struct mp_ring {
-    uint8_t  *buffer;
-
-    /* Positions of thes first readable/writeable chunks. Do not read this
-     * fields but use the atomic private accessors `mp_ring_get_wpos`
-     * and `mp_ring_get_rpos`. */
-    uint32_t rpos, wpos;
-};
-
-static uint32_t mp_ring_get_wpos(struct mp_ring *buffer)
-{
-    mp_memory_barrier();
-    return buffer->wpos;
-}
-
-static uint32_t mp_ring_get_rpos(struct mp_ring *buffer)
-{
-    mp_memory_barrier();
-    return buffer->rpos;
-}
-
-struct mp_ring *mp_ring_new(void *talloc_ctx, int size)
-{
-    struct mp_ring *ringbuffer =
-        talloc_zero(talloc_ctx, struct mp_ring);
-
-    *ringbuffer = (struct mp_ring) {
-        .buffer = talloc_size(talloc_ctx, size),
-    };
-
-    return ringbuffer;
-}
-
-int mp_ring_drain(struct mp_ring *buffer, int len)
-{
-    int buffered  = mp_ring_buffered(buffer);
-    int drain_len = FFMIN(len, buffered);
-    mp_atomic_add_and_fetch(&buffer->rpos, drain_len);
-    mp_memory_barrier();
-    return drain_len;
-}
-
-int mp_ring_read(struct mp_ring *buffer, unsigned char *dest, int len)
-{
-    if (!dest) return mp_ring_drain(buffer, len);
-
-    int size     = mp_ring_size(buffer);
-    int buffered = mp_ring_buffered(buffer);
-    int read_len = FFMIN(len, buffered);
-    int read_ptr = mp_ring_get_rpos(buffer) % size;
-
-    int len1 = FFMIN(size - read_ptr, read_len);
-    int len2 = read_len - len1;
-
-    memcpy(dest, buffer->buffer + read_ptr, len1);
-    memcpy(dest + len1, buffer->buffer, len2);
-
-    mp_atomic_add_and_fetch(&buffer->rpos, read_len);
-    mp_memory_barrier();
-
-    return read_len;
-}
-
-int mp_ring_read_cb(struct mp_ring *buffer, void *ctx, int len,
-        void (*func)(void*, void*, int))
-{
-    // The point of this function is defining custom read behaviour, assume
-    // it's a programmers error if func is null.
-    assert(func);
-
-    int size     = mp_ring_size(buffer);
-    int buffered = mp_ring_buffered(buffer);
-    int read_len = FFMIN(len, buffered);
-    int read_ptr = mp_ring_get_rpos(buffer) % size;
-
-    func(ctx, buffer->buffer + read_ptr, read_len);
-
-    return mp_ring_drain(buffer, read_len);
-}
-
-int mp_ring_write(struct mp_ring *buffer, unsigned char *src, int len)
-{
-    int size      = mp_ring_size(buffer);
-    int free      = mp_ring_available(buffer);
-    int write_len = FFMIN(len, free);
-    int write_ptr = mp_ring_get_wpos(buffer) % size;
-
-    int len1 = FFMIN(size - write_ptr, write_len);
-    int len2 = write_len - len1;
-
-    memcpy(buffer->buffer + write_ptr, src, len1);
-    memcpy(buffer->buffer, src + len1, len2);
-
-    mp_atomic_add_and_fetch(&buffer->wpos, write_len);
-    mp_memory_barrier();
-
-    return write_len;
-}
-
-void mp_ring_reset(struct mp_ring *buffer)
-{
-    buffer->wpos = buffer->rpos = 0;
-    mp_memory_barrier();
-}
-
-int mp_ring_available(struct mp_ring *buffer)
-{
-    return mp_ring_size(buffer) - mp_ring_buffered(buffer);
-}
-
-int mp_ring_size(struct mp_ring *buffer)
-{
-    return talloc_get_size(buffer->buffer);
-}
-
-int mp_ring_buffered(struct mp_ring *buffer)
-{
-    return (mp_ring_get_wpos(buffer) - mp_ring_get_rpos(buffer));
-}
-
-char *mp_ring_repr(struct mp_ring *buffer, void *talloc_ctx)
-{
-    return talloc_asprintf(
-        talloc_ctx,
-        "Ringbuffer { .size = %dB, .buffered = %dB, .available = %dB }",
-        mp_ring_size(buffer),
-        mp_ring_buffered(buffer),
-        mp_ring_available(buffer));
-}