1 /* Copyright (C) 2010-2020 The RetroArch team
3 * ---------------------------------------------------------------------------------------
4 * The following license statement only applies to this file (trans_stream_pipe.c).
5 * ---------------------------------------------------------------------------------------
7 * Permission is hereby granted, free of charge,
8 * to any person obtaining a copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation the rights to
10 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
11 * and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
16 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
18 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
19 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 #include <streams/trans_stream.h>
28 struct pipe_trans_stream
32 uint32_t in_size, out_size;
35 static void *pipe_stream_new(void)
37 struct pipe_trans_stream *stream =
38 (struct pipe_trans_stream*)malloc(sizeof(*stream));
50 static void pipe_stream_free(void *data)
55 static void pipe_set_in(void *data, const uint8_t *in, uint32_t in_size)
57 struct pipe_trans_stream *p = (struct pipe_trans_stream *) data;
66 static void pipe_set_out(void *data, uint8_t *out, uint32_t out_size)
68 struct pipe_trans_stream *p = (struct pipe_trans_stream *) data;
74 p->out_size = out_size;
77 static bool pipe_trans(
78 void *data, bool flush,
79 uint32_t *rd, uint32_t *wn,
80 enum trans_stream_error *error)
82 struct pipe_trans_stream *p = (struct pipe_trans_stream *) data;
84 if (p->out_size < p->in_size)
86 memcpy(p->out, p->in, p->out_size);
87 *rd = *wn = p->out_size;
89 p->out += p->out_size;
90 *error = TRANS_STREAM_ERROR_BUFFER_FULL;
94 memcpy(p->out, p->in, p->in_size);
95 *rd = *wn = p->in_size;
98 *error = TRANS_STREAM_ERROR_NONE;
102 const struct trans_stream_backend pipe_backend = {