#include "camera.h"

#include "device/buffer.h"
#include "device/buffer_list.h"
#include "device/device.h"
#include "device/links.h"
#include "opts/log.h"
#include "opts/fourcc.h"
#include "device/buffer_list.h"
#include "http/http.h"

int camera_configure_decoder(camera_t *camera, buffer_list_t *camera_src)
{
  buffer_list_t *src = camera_src;
  device_video_force_key(camera->camera);

  camera->decoder = device_v4l2_open("DECODER", "/dev/video10");

  if (!device_open_buffer_list_output(camera->decoder, src)) {
    return -1;
  }

  if (device_open_buffer_list_capture(camera->decoder, NULL, 1.0, 0, true) < 0) {
    return -1;
  }

  if (device_set_decoder_start(camera->decoder, true) < 0) {
    return -1;
  }

  src = camera->decoder->capture_list;

  if (camera_src->fmt.format != V4L2_PIX_FMT_MJPEG && camera_src->fmt.format != V4L2_PIX_FMT_JPEG) {
    camera->codec_jpeg = device_v4l2_open("JPEG", "/dev/video31");

    if (!device_open_buffer_list_output(camera->codec_jpeg, src) ||
      device_open_buffer_list_capture(camera->codec_jpeg, src, 1.0, V4L2_PIX_FMT_JPEG, true) < 0) {
      return -1;
    }
  }

  if (camera_src->fmt.format != V4L2_PIX_FMT_H264) {
    camera->codec_h264 = device_v4l2_open("H264", "/dev/video11");

    if (!device_open_buffer_list_output(camera->codec_h264, src) ||
      device_open_buffer_list_capture(camera->codec_h264, src, 1.0, V4L2_PIX_FMT_H264, true) < 0) {
      return -1;
    }
  }

  link_t *links = camera->links;

  if (camera_src->fmt.format == V4L2_PIX_FMT_MJPEG || camera_src->fmt.format == V4L2_PIX_FMT_JPEG) {
    *links++ = (link_t){ camera->camera->capture_list, { camera->decoder->output_list }, { http_jpeg_capture, http_jpeg_needs_buffer } };
    *links++ = (link_t){ camera->decoder->capture_list, { camera->codec_h264->output_list } };
    *links++ = (link_t){ camera->codec_h264->capture_list, { }, { http_h264_capture, http_h264_needs_buffer } };
  } else if (camera_src->fmt.format == V4L2_PIX_FMT_H264) {
    *links++ = (link_t){ camera->camera->capture_list, { camera->decoder->output_list }, { http_h264_capture, http_h264_needs_buffer }};
    *links++ = (link_t){ camera->decoder->capture_list, { camera->codec_jpeg->output_list } };
    *links++ = (link_t){ camera->codec_jpeg->capture_list, { }, { http_jpeg_capture, http_jpeg_needs_buffer } };
  } else {
    *links++ = (link_t){ camera->camera->capture_list, { camera->decoder->output_list } };
    *links++ = (link_t){ camera->decoder->capture_list, { camera->codec_jpeg->output_list, camera->codec_h264->output_list } };
    *links++ = (link_t){ camera->codec_jpeg->capture_list, { }, { http_jpeg_capture, http_jpeg_needs_buffer } };
    *links++ = (link_t){ camera->codec_h264->capture_list, { }, { http_h264_capture, http_h264_needs_buffer } };
  }
  return 0;
}