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