void v4lconvert_destroy(struct v4lconvert_data *data)
{
if (data->jdec) {
unsigned char *comps[3] = { NULL, NULL, NULL };
tinyjpeg_set_components(data->jdec, comps, 3);
tinyjpeg_free(data->jdec);
}
free(data->convert_buf);
free(data->rotate_buf);
free(data->convert_pixfmt_buf);
free(data);
}
void v4lconvert_destroy(struct v4lconvert_data *data)
{
v4lprocessing_destroy(data->processing);
v4lcontrol_destroy(data->control);
if (data->jdec) {
unsigned char *comps[3] = { NULL, NULL, NULL };
tinyjpeg_set_components(data->jdec, comps, 3);
tinyjpeg_free(data->jdec);
}
v4lconvert_helper_cleanup(data);
free(data->convert1_buf);
free(data->convert2_buf);
free(data->rotate90_buf);
free(data->flip_buf);
free(data->convert_pixfmt_buf);
free(data);
}
unsigned char *RasterMapManager::DecodeJPEG(unsigned char *readBuffer, unsigned int length, unsigned int& width, unsigned int& height) {
unsigned char *imgComponents[3];
static struct jdec_private *jdec = 0;
if (jdec != 0) {
tinyjpeg_free(jdec);
}
jdec = tinyjpeg_init();
if (tinyjpeg_parse_header(jdec, readBuffer, length) < 0) {
LogPrintf("RasterMapManager: JPEG codec error: %s", tinyjpeg_get_errorstring(jdec));
return NULL;
}
tinyjpeg_decode(jdec, TINYJPEG_FMT_RGB24);
tinyjpeg_get_components(jdec, imgComponents);
tinyjpeg_get_size(jdec, &width, &height);
return imgComponents[0];
}
void v4lconvert_destroy(struct v4lconvert_data *data)
{
v4lprocessing_destroy(data->processing);
v4lcontrol_destroy(data->control);
if (data->tinyjpeg) {
unsigned char *comps[3] = { NULL, NULL, NULL };
tinyjpeg_set_components(data->tinyjpeg, comps, 3);
tinyjpeg_free(data->tinyjpeg);
}
if (data->cinfo_initialized)
jpeg_destroy_decompress(&data->cinfo);
v4lconvert_helper_cleanup(data);
free(data->convert1_buf);
free(data->convert2_buf);
free(data->rotate90_buf);
free(data->flip_buf);
free(data->convert_pixfmt_buf);
free(data->previous_frame);
free(data);
}
