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io_pipeline: Setup media links and formats (MR 13)

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This commit is contained in:
Yassine Oudjana
2022-02-24 08:59:32 +04:00
committed by Martijn Braam
parent 7716faa801
commit 7dbc2288d0
1 changed files with 80 additions and 0 deletions
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80
src/io_pipeline.c
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@@ -101,6 +101,33 @@ static bool want_focus = false;
static MPPipeline *pipeline;
static GSource *capture_source;
static void
mp_setup_media_link_pad_formats(struct device_info *dev_info,
const struct mp_media_link_config media_links[],
int num_media_links,
MPMode *mode)
{
const struct media_v2_entity *entities[2];
int ports[2];
for (int i = 0; i < num_media_links; i++) {
entities[0] = mp_device_find_entity(
dev_info->device, (const char *)media_links[i].source_name);
entities[1] = mp_device_find_entity(
dev_info->device, (const char *)media_links[i].target_name);
ports[0] = media_links[i].source_port;
ports[1] = media_links[i].target_port;
for (int j = 0; j < 2; j++)
if (!mp_entity_pad_set_format(
dev_info->device, entities[j], ports[j], mode)) {
g_printerr("Failed to set %s:%d format\n",
entities[j]->name,
ports[j]);
exit(EXIT_FAILURE);
}
}
}
static void
setup_camera(MPDeviceList **device_list, const struct mp_camera_config *config)
{
@@ -205,6 +232,11 @@ setup_camera(MPDeviceList **device_list, const struct mp_camera_config *config)
// the ov5640 driver where it won't allow setting the preview
// format initially.
MPMode mode = config->capture_mode;
if (config->num_media_links)
mp_setup_media_link_pad_formats(dev_info,
config->media_links,
config->num_media_links,
&mode);
mp_camera_set_mode(info->camera, &mode);
// Trigger continuous auto focus if the sensor supports it
@@ -344,6 +376,7 @@ static void
capture(MPPipeline *pipeline, const void *data)
{
struct camera_info *info = &cameras[camera->index];
struct device_info *dev_info = &devices[info->device_index];
uint32_t gain;
float gain_norm;
@@ -365,6 +398,11 @@ capture(MPPipeline *pipeline, const void *data)
mp_camera_stop_capture(info->camera);
mode = camera->capture_mode;
if (camera->num_media_links)
mp_setup_media_link_pad_formats(dev_info,
camera->media_links,
camera->num_media_links,
&mode);
mp_camera_set_mode(info->camera, &mode);
just_switched_mode = true;
@@ -508,6 +546,7 @@ on_frame(MPBuffer buffer, void *_data)
if (captures_remaining == 0) {
struct camera_info *info = &cameras[camera->index];
struct device_info *dev_info = &devices[info->device_index];
// Restore the auto exposure and gain if needed
if (!current_controls.exposure_is_manual) {
@@ -527,6 +566,12 @@ on_frame(MPBuffer buffer, void *_data)
mp_camera_stop_capture(info->camera);
mode = camera->preview_mode;
if (camera->num_media_links)
mp_setup_media_link_pad_formats(
dev_info,
camera->media_links,
camera->num_media_links,
&mode);
mp_camera_set_mode(info->camera, &mode);
just_switched_mode = true;
@@ -542,6 +587,25 @@ on_frame(MPBuffer buffer, void *_data)
}
}
static void
mp_setup_media_link(struct device_info *dev_info,
const struct mp_media_link_config *cfg,
bool enable)
{
const struct media_v2_entity *source_entity =
mp_device_find_entity(dev_info->device, cfg->source_name);
const struct media_v2_entity *target_entity =
mp_device_find_entity(dev_info->device, cfg->target_name);
mp_device_setup_entity_link(dev_info->device,
source_entity->id,
target_entity->id,
cfg->source_port,
cfg->target_port,
enable);
}
static void
update_state(MPPipeline *pipeline, const struct mp_io_pipeline_state *state)
{
@@ -562,6 +626,11 @@ update_state(MPPipeline *pipeline, const struct mp_io_pipeline_state *state)
info->pad_id,
dev_info->interface_pad_id,
false);
// Disable media links
for (int i = 0; i < camera->num_media_links; i++)
mp_setup_media_link(
dev_info, &camera->media_links[i], false);
}
if (capture_source) {
@@ -580,7 +649,18 @@ update_state(MPPipeline *pipeline, const struct mp_io_pipeline_state *state)
dev_info->interface_pad_id,
true);
// Enable media links
for (int i = 0; i < camera->num_media_links; i++)
mp_setup_media_link(
dev_info, &camera->media_links[i], true);
mode = camera->preview_mode;
if (camera->num_media_links)
mp_setup_media_link_pad_formats(
dev_info,
camera->media_links,
camera->num_media_links,
&mode);
mp_camera_set_mode(info->camera, &mode);
mp_camera_start_capture(info->camera);