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- #include "device.h"
- #include <assert.h>
- #include <linux/limits.h>
- #include <linux/media.h>
- #include <stdio.h>
- const char *
- entity_type_str(uint32_t type)
- {
- switch (type) {
- case MEDIA_ENT_F_UNKNOWN:
- return "UNKNOWN";
- case MEDIA_ENT_F_V4L2_SUBDEV_UNKNOWN:
- return "V4L2_SUBDEV_UNKNOWN";
- case MEDIA_ENT_F_IO_V4L:
- return "IO_V4L";
- case MEDIA_ENT_F_IO_VBI:
- return "IO_VBI";
- case MEDIA_ENT_F_IO_SWRADIO:
- return "IO_SWRADIO";
- case MEDIA_ENT_F_IO_DTV:
- return "IO_DTV";
- case MEDIA_ENT_F_DTV_DEMOD:
- return "DTV_DEMOD";
- case MEDIA_ENT_F_TS_DEMUX:
- return "TS_DEMUX";
- case MEDIA_ENT_F_DTV_CA:
- return "DTV_CA";
- case MEDIA_ENT_F_DTV_NET_DECAP:
- return "DTV_NET_DECAP";
- case MEDIA_ENT_F_CAM_SENSOR:
- return "CAM_SENSOR";
- case MEDIA_ENT_F_FLASH:
- return "FLASH";
- case MEDIA_ENT_F_LENS:
- return "LENS";
- case MEDIA_ENT_F_ATV_DECODER:
- return "ATV_DECODER";
- case MEDIA_ENT_F_TUNER:
- return "TUNER";
- case MEDIA_ENT_F_IF_VID_DECODER:
- return "IF_VID_DECODER";
- case MEDIA_ENT_F_IF_AUD_DECODER:
- return "IF_AUD_DECODER";
- case MEDIA_ENT_F_AUDIO_CAPTURE:
- return "AUDIO_CAPTURE";
- case MEDIA_ENT_F_AUDIO_PLAYBACK:
- return "AUDIO_PLAYBACK";
- case MEDIA_ENT_F_AUDIO_MIXER:
- return "AUDIO_MIXER";
- case MEDIA_ENT_F_PROC_VIDEO_COMPOSER:
- return "PROC_VIDEO_COMPOSER";
- case MEDIA_ENT_F_PROC_VIDEO_PIXEL_FORMATTER:
- return "PROC_VIDEO_PIXEL_FORMATTER";
- case MEDIA_ENT_F_PROC_VIDEO_PIXEL_ENC_CONV:
- return "PROC_VIDEO_PIXEL_ENC_CONV";
- case MEDIA_ENT_F_PROC_VIDEO_LUT:
- return "PROC_VIDEO_LUT";
- case MEDIA_ENT_F_PROC_VIDEO_SCALER:
- return "PROC_VIDEO_SCALER";
- case MEDIA_ENT_F_PROC_VIDEO_STATISTICS:
- return "PROC_VIDEO_STATISTICS";
- case MEDIA_ENT_F_PROC_VIDEO_ENCODER:
- return "PROC_VIDEO_ENCODER";
- case MEDIA_ENT_F_PROC_VIDEO_DECODER:
- return "PROC_VIDEO_DECODER";
- case MEDIA_ENT_F_PROC_VIDEO_ISP:
- return "PROC_VIDEO_ISP";
- case MEDIA_ENT_F_VID_MUX:
- return "VID_MUX";
- case MEDIA_ENT_F_VID_IF_BRIDGE:
- return "VID_IF_BRIDGE";
- default:
- return "invalid type";
- }
- }
- const char *
- intf_type_str(uint32_t type)
- {
- switch (type) {
- case MEDIA_INTF_T_DVB_FE:
- return "DVB_FE";
- case MEDIA_INTF_T_DVB_DEMUX:
- return "DVB_DEMUX";
- case MEDIA_INTF_T_DVB_DVR:
- return "DVB_DVR";
- case MEDIA_INTF_T_DVB_CA:
- return "DVB_CA";
- case MEDIA_INTF_T_DVB_NET:
- return "DVB_NET";
- case MEDIA_INTF_T_V4L_VIDEO:
- return "V4L_VIDEO";
- case MEDIA_INTF_T_V4L_VBI:
- return "V4L_VBI";
- case MEDIA_INTF_T_V4L_RADIO:
- return "V4L_RADIO";
- case MEDIA_INTF_T_V4L_SUBDEV:
- return "V4L_SUBDEV";
- case MEDIA_INTF_T_V4L_SWRADIO:
- return "V4L_SWRADIO";
- case MEDIA_INTF_T_V4L_TOUCH:
- return "V4L_TOUCH";
- case MEDIA_INTF_T_ALSA_PCM_CAPTURE:
- return "ALSA_PCM_CAPTURE";
- case MEDIA_INTF_T_ALSA_PCM_PLAYBACK:
- return "ALSA_PCM_PLAYBACK";
- case MEDIA_INTF_T_ALSA_CONTROL:
- return "ALSA_CONTROL";
- case MEDIA_INTF_T_ALSA_COMPRESS:
- return "ALSA_COMPRESS";
- case MEDIA_INTF_T_ALSA_RAWMIDI:
- return "ALSA_RAWMIDI";
- case MEDIA_INTF_T_ALSA_HWDEP:
- return "ALSA_HWDEP";
- case MEDIA_INTF_T_ALSA_SEQUENCER:
- return "ALSA_SEQUENCER";
- case MEDIA_INTF_T_ALSA_TIMER:
- return "ALSA_TIMER";
- default:
- return "invalid type";
- }
- }
- int
- main(int argc, char *argv[])
- {
- MPDeviceList *list = mp_device_list_new();
- while (list) {
- MPDevice *device = mp_device_list_get(list);
- const struct media_device_info *info = mp_device_get_info(device);
- printf("%s (%s) %s\n", info->model, info->driver, info->serial);
- printf(" Path: %s\n", mp_device_list_get_path(list));
- printf(" Bus Info: %s\n", info->bus_info);
- printf(" Media Version: %d\n", info->media_version);
- printf(" HW Revision: %d\n", info->hw_revision);
- printf(" Driver Version: %d\n", info->driver_version);
- const struct media_v2_entity *entities =
- mp_device_get_entities(device);
- size_t num = mp_device_get_num_entities(device);
- printf(" Entities (%ld):\n", num);
- for (int i = 0; i < num; ++i) {
- printf(" %d %s (%s)\n",
- entities[i].id,
- entities[i].name,
- entity_type_str(entities[i].function));
- }
- const struct media_v2_interface *interfaces =
- mp_device_get_interfaces(device);
- num = mp_device_get_num_interfaces(device);
- printf(" Interfaces (%ld):\n", num);
- for (int i = 0; i < num; ++i) {
-
- assert(interfaces[i].flags == 0);
- char buf[PATH_MAX];
- buf[0] = '\0';
- mp_find_device_path(interfaces[i].devnode, buf, PATH_MAX);
- printf(" %d (%s) devnode %d:%d %s\n",
- interfaces[i].id,
- intf_type_str(interfaces[i].intf_type),
- interfaces[i].devnode.major,
- interfaces[i].devnode.minor,
- buf);
- }
- const struct media_v2_pad *pads = mp_device_get_pads(device);
- num = mp_device_get_num_pads(device);
- printf(" Pads (%ld):\n", num);
- for (int i = 0; i < num; ++i) {
- printf(" %d for device:%d (",
- pads[i].id,
- pads[i].entity_id);
- if (pads[i].flags & MEDIA_PAD_FL_SINK)
- printf("SINK ");
- if (pads[i].flags & MEDIA_PAD_FL_SOURCE)
- printf("SOURCE ");
- if (pads[i].flags & MEDIA_PAD_FL_MUST_CONNECT)
- printf("MUST_CONNECT ");
- printf(")\n");
- }
- const struct media_v2_link *links = mp_device_get_links(device);
- num = mp_device_get_num_links(device);
- printf(" Links (%ld):\n", num);
- for (int i = 0; i < num; ++i) {
- printf(" %d from:%d to:%d (",
- links[i].id,
- links[i].source_id,
- links[i].sink_id);
- if (links[i].flags & MEDIA_LNK_FL_ENABLED)
- printf("ENABLED ");
- if (links[i].flags & MEDIA_LNK_FL_IMMUTABLE)
- printf("IMMUTABLE ");
- if (links[i].flags & MEDIA_LNK_FL_DYNAMIC)
- printf("DYNAMIC ");
- uint32_t type = links[i].flags & MEDIA_LNK_FL_LINK_TYPE;
- if (type == MEDIA_LNK_FL_INTERFACE_LINK) {
- printf("INTERFACE)\n");
- } else {
- assert(type == MEDIA_LNK_FL_DATA_LINK);
- printf("DATA)\n");
- }
- }
- list = mp_device_list_next(list);
- }
- mp_device_list_free(list);
- }
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