mirror of
https://github.com/libretro/RetroArch
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9e430cd8b9
* Work more with return values, prevent unnecessary local stack variables when possible * Reduce lines of code * Move local stack variables to proper scope
93 lines
3.0 KiB
C
93 lines
3.0 KiB
C
/* Copyright (C) 2010-2020 The RetroArch team
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*
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* ---------------------------------------------------------------------------------------
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* The following license statement only applies to this file (trans_stream.c).
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* ---------------------------------------------------------------------------------------
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*
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* Permission is hereby granted, free of charge,
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* to any person obtaining a copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <streams/trans_stream.h>
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/**
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* trans_stream_trans_full:
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* @data : (optional) existing stream data, or a target
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* for the new stream data to be saved
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* @in : input data
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* @in_size : input size
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* @out : output data
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* @out_size : output size
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* @error : (optional) output for error code
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*
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* Perform a full transcoding from a source to a destination.
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*/
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bool trans_stream_trans_full(
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struct trans_stream_backend *backend, void **data,
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const uint8_t *in, uint32_t in_size,
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uint8_t *out, uint32_t out_size,
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enum trans_stream_error *error)
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{
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void *rdata;
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bool ret;
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uint32_t rd, wn;
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if (data && *data)
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rdata = *data;
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else
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{
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if (!(rdata = backend->stream_new()))
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{
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if (error)
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*error = TRANS_STREAM_ERROR_ALLOCATION_FAILURE;
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return false;
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}
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}
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backend->set_in(rdata, in, in_size);
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backend->set_out(rdata, out, out_size);
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ret = backend->trans(rdata, true, &rd, &wn, error);
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if (data)
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*data = rdata;
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else
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backend->stream_free(rdata);
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return ret;
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}
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const struct trans_stream_backend* trans_stream_get_zlib_deflate_backend(void)
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{
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#if HAVE_ZLIB
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return &zlib_deflate_backend;
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#else
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return NULL;
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#endif
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}
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const struct trans_stream_backend* trans_stream_get_zlib_inflate_backend(void)
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{
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#if HAVE_ZLIB
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return &zlib_inflate_backend;
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#else
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return NULL;
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#endif
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}
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const struct trans_stream_backend* trans_stream_get_pipe_backend(void)
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{
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return &pipe_backend;
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}
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