Read out analog balance and write to TIFF
Currently has an issue in the kernel driver where it doesn't return the values after disabling autobalance.
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5ad97d03f6
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31ff665496
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@ -35,6 +35,8 @@ struct camera_info {
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bool has_auto_focus_continuous;
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bool has_auto_focus_start;
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bool has_whitebalance;
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bool has_redbluebalance;
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// unsigned int entity_id;
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// enum v4l2_buf_type type;
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@ -85,6 +87,10 @@ struct control_state {
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bool exposure_is_manual;
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int exposure;
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bool wb_is_manual;
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int red_balance;
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int blue_balance;
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};
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static struct control_state desired_controls = {};
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@ -216,6 +222,13 @@ setup_camera(MPDeviceList **device_list, const struct mp_camera_config *config)
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info->gain_ctrl = V4L2_CID_ANALOGUE_GAIN;
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info->gain_max = control.max;
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}
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if (mp_camera_query_control(info->camera, V4L2_CID_AUTO_WHITE_BALANCE, NULL)) {
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info->has_whitebalance = true;
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}
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if (mp_camera_query_control(info->camera, V4L2_CID_RED_BALANCE, NULL)) {
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info->has_redbluebalance = true;
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}
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}
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}
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@ -272,6 +285,12 @@ update_process_pipeline()
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current_controls.exposure =
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mp_camera_control_get_int32(info->camera, V4L2_CID_EXPOSURE);
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}
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if (!current_controls.wb_is_manual) {
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current_controls.red_balance =
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mp_camera_control_get_int32(info->camera, V4L2_CID_RED_BALANCE);
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current_controls.blue_balance =
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mp_camera_control_get_int32(info->camera, V4L2_CID_BLUE_BALANCE);
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}
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struct mp_process_pipeline_state pipeline_state = {
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.camera = camera,
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@ -286,6 +305,9 @@ update_process_pipeline()
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.gain_max = info->gain_max,
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.exposure_is_manual = current_controls.exposure_is_manual,
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.exposure = current_controls.exposure,
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.wb_is_manual = current_controls.wb_is_manual,
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.red_balance = current_controls.red_balance,
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.blue_balance = current_controls.blue_balance,
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.has_auto_focus_continuous = info->has_auto_focus_continuous,
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.has_auto_focus_start = info->has_auto_focus_start,
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};
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@ -311,10 +333,13 @@ capture(MPPipeline *pipeline, const void *data)
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captures_remaining = burst_length;
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// Disable the autogain/exposure while taking the burst
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// Disable the autogain/exposure/wb while taking the burst
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mp_camera_control_set_int32(info->camera, V4L2_CID_AUTOGAIN, 0);
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mp_camera_control_set_int32(info->camera, V4L2_CID_EXPOSURE_AUTO,
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V4L2_EXPOSURE_MANUAL);
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if (info->has_whitebalance) {
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mp_camera_control_set_int32(info->camera, V4L2_CID_AUTO_WHITE_BALANCE, 0);
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}
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// Change camera mode for capturing
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mp_process_pipeline_sync();
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@ -454,6 +479,11 @@ on_frame(MPBuffer buffer, void * _data)
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V4L2_CID_AUTOGAIN, true);
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}
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if (!current_controls.wb_is_manual) {
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mp_camera_control_set_bool(info->camera,
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V4L2_CID_AUTO_WHITE_BALANCE, true);
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}
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// Go back to preview mode
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mp_process_pipeline_sync();
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mp_camera_stop_capture(info->camera);
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@ -522,6 +552,9 @@ update_state(MPPipeline *pipeline, const struct mp_io_pipeline_state *state)
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V4L2_EXPOSURE_MANUAL;
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current_controls.exposure = mp_camera_control_get_int32(
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info->camera, V4L2_CID_EXPOSURE);
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current_controls.wb_is_manual =
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mp_camera_control_get_bool(info->camera,
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V4L2_CID_AUTO_WHITE_BALANCE) == 0;
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}
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}
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@ -543,6 +576,7 @@ update_state(MPPipeline *pipeline, const struct mp_io_pipeline_state *state)
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desired_controls.gain = state->gain;
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desired_controls.exposure_is_manual = state->exposure_is_manual;
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desired_controls.exposure = state->exposure;
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desired_controls.wb_is_manual = state->wb_is_manual;
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has_changed =
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has_changed || memcmp(&previous_desired, &desired_controls,
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@ -18,6 +18,8 @@ struct mp_io_pipeline_state {
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bool exposure_is_manual;
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int exposure;
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bool wb_is_manual;
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bool save_dng;
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};
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@ -46,6 +46,8 @@ static bool gain_is_manual = false;
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static int gain;
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static int gain_max;
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static bool wb_is_manual = false;
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static bool exposure_is_manual = false;
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static int exposure;
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@ -105,6 +107,7 @@ update_io_pipeline()
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.gain = gain,
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.exposure_is_manual = exposure_is_manual,
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.exposure = exposure,
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.wb_is_manual = wb_is_manual,
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.save_dng = gtk_check_button_get_active(GTK_CHECK_BUTTON(setting_dng)),
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};
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mp_io_pipeline_update_state(&io_state);
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@ -51,6 +51,10 @@ static int gain_max;
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static bool exposure_is_manual;
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static int exposure;
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static bool wb_is_manual;
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static int red_balance;
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static int blue_balance;
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static bool save_dng;
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static char capture_fname[255];
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@ -397,9 +401,13 @@ process_image_for_capture(const uint8_t *image, int count)
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if (camera->forwardmatrix[0]) {
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TIFFSetField(tif, TIFFTAG_FORWARDMATRIX1, 9, camera->forwardmatrix);
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}
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static const float neutral[] = { 1.0, 1.0, 1.0 };
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TIFFSetField(tif, TIFFTAG_ASSHOTNEUTRAL, 3, neutral);
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//static const float neutral[] = { 1.0, 1.0, 1.0 };
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//TIFFSetField(tif, TIFFTAG_ASSHOTNEUTRAL, 3, neutral);
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TIFFSetField(tif, TIFFTAG_CALIBRATIONILLUMINANT1, 21);
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static const float ab[] = {red_balance/4096, 1.0, blue_balance/4096};
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TIFFSetField(tif, TIFFTAG_ANALOGBALANCE, 3, ab);
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// Write black thumbnail, only windows uses this
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{
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unsigned char *buf =
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@ -723,6 +731,10 @@ update_state(MPPipeline *pipeline, const struct mp_process_pipeline_state *state
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exposure_is_manual = state->exposure_is_manual;
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exposure = state->exposure;
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wb_is_manual = state->wb_is_manual;
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red_balance = state->red_balance;
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blue_balance = state->blue_balance;
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if (output_changed) {
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camera_rotation = mod(camera->rotate - device_rotation, 360);
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@ -25,6 +25,10 @@ struct mp_process_pipeline_state {
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bool has_auto_focus_continuous;
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bool has_auto_focus_start;
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bool wb_is_manual;
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int red_balance;
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int blue_balance;
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bool save_dng;
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};
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