kopia lustrzana https://github.com/gopro/gpr
100 wiersze
2.4 KiB
C
Executable File
100 wiersze
2.4 KiB
C
Executable File
/*! @file gpr_buffer.c
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*
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* @brief Implementation of gpr_buffer object and functions that work on buffer
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*
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* @version 1.0.0
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*
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* (C) Copyright 2018 GoPro Inc (http://gopro.com/).
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*
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* Licensed under either:
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* - Apache License, Version 2.0, http://www.apache.org/licenses/LICENSE-2.0
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* - MIT license, http://opensource.org/licenses/MIT
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* at your option.
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "gpr_buffer.h"
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#include "macros.h"
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#include "stdc_includes.h"
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int read_from_file(gpr_buffer* buffer, const char* file_path, gpr_malloc malloc_function, gpr_free free_function)
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{
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assert( buffer != NULL );
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FILE *fIN = fopen(file_path, "rb");
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if (fIN == NULL)
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{
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fprintf (stderr, "Error while reading file: %s", file_path);
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return -1;
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}
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fseek (fIN, 0, SEEK_END);
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buffer->size = (size_t) ftell(fIN);
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rewind (fIN);
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buffer->buffer = malloc_function(buffer->size);
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if ( buffer->buffer == NULL)
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{
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fputs ("Memory error", stderr);
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fclose(fIN);
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return -1;
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}
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if (fread(buffer->buffer, 1, buffer->size, fIN) != buffer->size)
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{
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free_function(buffer->buffer);
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fputs ("Reading error", stderr);
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fclose(fIN);
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return -1;
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}
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fclose(fIN);
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return 0;
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}
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int write_to_file(const gpr_buffer* buffer, const char* file_path)
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{
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unsigned int bytes_written;
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FILE *fOUT = fopen(file_path, "wb");
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if (fOUT == NULL)
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{
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fprintf (stderr, "Error while writing file: %s", file_path);
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return -1;
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}
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bytes_written = fwrite(buffer->buffer, 1, buffer->size, fOUT);
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if( bytes_written != buffer->size ) {
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fputs("Could not write bytes \n", stderr);
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perror("fwrite()");
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fclose(fOUT);
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return -2;
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}
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fclose(fOUT);
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return 0;
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}
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#include "gpr_rgb_buffer.h"
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void gpr_rgb_gain_set_defaults(gpr_rgb_gain* x)
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{
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x->r_gain_num = 30;
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x->r_gain_pow2_den = 4;
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x->g_gain_num = 1;
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x->g_gain_pow2_den = 0;
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x->b_gain_num = 7;
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x->b_gain_pow2_den = 2;
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}
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