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mxc_ipu.c
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mxc_ipu.c
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#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <sys/types.h>
#include <memory.h>
#include "mxc_ipu.h"
static ipu_lib_handle_t* global_ipu_handle = NULL;
static int next_update_index = 0;
static int skip_next_frame = 0;
static void ipu_output_callback(void* output, int index)
{
if(output) MEMCPY(output, global_ipu_handle->outbuf_start[index], global_ipu_handle->ofr_size);
}
int ipu_query_task(void)
{
int i;
ipu_lib_ctl_task_t task;
for (i = 0; i< MAX_TASK_NUM; i++) {
task.index = i;
mxc_ipu_lib_task_control(IPU_CTL_TASK_QUERY, (void*)(&task), NULL);
if (task.task_pid) {
fprintf(stderr, "\ntask %d:\n", i);
fprintf(stderr, "\tpid: %d\n", task.task_pid);
fprintf(stderr, "\tmode:\n");
if (task.task_mode & IC_ENC)
fprintf(stderr, "\t\tIC_ENC\n");
if (task.task_mode & IC_VF)
fprintf(stderr, "\t\tIC_VF\n");
if (task.task_mode & IC_PP)
fprintf(stderr, "\t\tIC_PP\n");
if (task.task_mode & ROT_ENC)
fprintf(stderr, "\t\tROT_ENC\n");
if (task.task_mode & ROT_VF)
fprintf(stderr, "\t\tROT_VF\n");
if (task.task_mode & ROT_PP)
fprintf(stderr, "\t\tROT_PP\n");
if (task.task_mode & VDI_IC_VF)
fprintf(stderr, "\t\tVDI_IC_VF\n");
}
}
return 0;
}
ipu_lib_handle_t* ipu_init(int in_w, int in_h, int in_fmt, int out_w, int out_h, int out_fmt, int show)
{
ipu_lib_handle_t* ipu_handle = NULL;
ipu_lib_input_param_t input;
ipu_lib_output_param_t output;
ipu_handle = calloc(1, sizeof(ipu_lib_handle_t));
memset(&input, 0, sizeof(ipu_lib_input_param_t));
memset(&output, 0, sizeof(ipu_lib_output_param_t));
input.width = in_w;
input.height = in_h;
input.fmt = in_fmt;
output.width = out_w;
output.height = out_h;
output.fmt = out_fmt;
output.show_to_fb = show;
output.output_win.pos.x = 0;
output.output_win.pos.y = 0;
output.output_win.win_w = out_w;
output.output_win.win_h = out_h;
mxc_ipu_lib_task_init(&input, NULL, &output, OP_NORMAL_MODE|TASK_VF_MODE, ipu_handle);
return ipu_handle;
}
void ipu_uninit(ipu_lib_handle_t** ipu_handle)
{
if(!*ipu_handle)
return;
mxc_ipu_lib_task_uninit(*ipu_handle);
free(*ipu_handle);
*ipu_handle = NULL;
}
void ipu_buffer_update(ipu_lib_handle_t* ipu_handle, const unsigned char* input_data, unsigned char* output_data)
{
global_ipu_handle= ipu_handle;
if(!skip_next_frame)
MEMCPY(ipu_handle->inbuf_start[0], input_data, ipu_handle->ifr_size);
next_update_index = mxc_ipu_lib_task_buf_update(ipu_handle, 0, 0, 0, ipu_output_callback, output_data);
skip_next_frame = (next_update_index == -1);
}