/***************************************************************** * \brief tune current frequency by step_interval value * \parameter step_interval increment value in 1/16 MHz * \note frequency is rounded to 1/16 MHz value * \return 1 * */ int tv_step_freq(tvi_handle_t* tvh, float step_interval) { unsigned long frequency; tvh->tv_param->scan=0; tv_get_freq(tvh,&frequency); frequency+=step_interval; return tv_set_freq(tvh,frequency); }
int tv_stream_control(tvi_handle_t *tvh, int cmd, void *arg) { switch (cmd) { case STREAM_CTRL_TV_SET_SCAN: tv_start_scan(tvh, *(int *)arg); return STREAM_OK; case STREAM_CTRL_SET_TV_FREQ: tv_set_freq(tvh, *(float *)arg * 16.0f); return STREAM_OK; case STREAM_CTRL_GET_TV_FREQ: { unsigned long tmp = 0; tv_get_freq(tvh, &tmp); *(float *)arg = tmp / 16.0f; return STREAM_OK; } case STREAM_CTRL_SET_TV_COLORS: tv_set_color_options(tvh, ((int *)arg)[0], ((int *)arg)[1]); return STREAM_OK; case STREAM_CTRL_GET_TV_COLORS: tv_get_color_options(tvh, ((int *)arg)[0], &((int *)arg)[1]); return STREAM_OK; case STREAM_CTRL_TV_SET_NORM: tv_set_norm(tvh, (char *)arg); return STREAM_OK; case STREAM_CTRL_TV_STEP_NORM: tv_step_norm(tvh); return STREAM_OK; case STREAM_CTRL_TV_SET_CHAN: tv_set_channel(tvh, (char *)arg); return STREAM_OK; case STREAM_CTRL_TV_STEP_CHAN: if (*(int *)arg >= 0) { tv_step_channel(tvh, TV_CHANNEL_HIGHER); } else { tv_step_channel(tvh, TV_CHANNEL_LOWER); } return STREAM_OK; case STREAM_CTRL_TV_LAST_CHAN: tv_last_channel(tvh); return STREAM_OK; } return STREAM_UNSUPPORTED; }
static int open_tv(tvi_handle_t *tvh) { int i; const tvi_functions_t *funcs = tvh->functions; static const int tv_fmt_list[] = { IMGFMT_YV12, IMGFMT_I420, IMGFMT_UYVY, IMGFMT_YUY2, IMGFMT_RGB32, IMGFMT_RGB24, IMGFMT_RGB16, IMGFMT_RGB15 }; if (funcs->control(tvh->priv, TVI_CONTROL_IS_VIDEO, 0) != TVI_CONTROL_TRUE) { mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_NoVideoInputPresent); return 0; } if (tvh->tv_param->outfmt == -1) for (i = 0; i < sizeof (tv_fmt_list) / sizeof (*tv_fmt_list); i++) { tvh->tv_param->outfmt = tv_fmt_list[i]; if (funcs->control (tvh->priv, TVI_CONTROL_VID_SET_FORMAT, &tvh->tv_param->outfmt) == TVI_CONTROL_TRUE) break; } else { switch(tvh->tv_param->outfmt) { case IMGFMT_YV12: case IMGFMT_I420: case IMGFMT_UYVY: case IMGFMT_YUY2: case IMGFMT_RGB32: case IMGFMT_RGB24: case IMGFMT_BGR32: case IMGFMT_BGR24: case IMGFMT_BGR16: case IMGFMT_BGR15: break; default: mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_UnknownImageFormat,tvh->tv_param->outfmt); } funcs->control(tvh->priv, TVI_CONTROL_VID_SET_FORMAT, &tvh->tv_param->outfmt); } /* set some params got from cmdline */ funcs->control(tvh->priv, TVI_CONTROL_SPC_SET_INPUT, &tvh->tv_param->input); #if defined(CONFIG_TV_V4L2) || defined(CONFIG_TV_DSHOW) if (0 #ifdef CONFIG_TV_V4L2 || (!strcmp(tvh->tv_param->driver, "v4l2") && tvh->tv_param->normid >= 0) #endif #ifdef CONFIG_TV_DSHOW || (!strcmp(tvh->tv_param->driver, "dshow") && tvh->tv_param->normid >= 0) #endif ) tv_set_norm_i(tvh, tvh->tv_param->normid); else #endif tv_set_norm(tvh,tvh->tv_param->norm); #ifdef CONFIG_TV_V4L1 if ( tvh->tv_param->mjpeg ) { /* set width to expected value */ if (tvh->tv_param->width == -1) { tvh->tv_param->width = 704/tvh->tv_param->decimation; } if (tvh->tv_param->height == -1) { if ( tvh->norm != TV_NORM_NTSC ) tvh->tv_param->height = 576/tvh->tv_param->decimation; else tvh->tv_param->height = 480/tvh->tv_param->decimation; } mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_MJP_WidthHeight, tvh->tv_param->width, tvh->tv_param->height); } #endif /* limits on w&h are norm-dependent -- JM */ if (tvh->tv_param->width != -1 && tvh->tv_param->height != -1) { // first tell the driver both width and height, some drivers do not support setting them independently. int dim[2]; dim[0] = tvh->tv_param->width; dim[1] = tvh->tv_param->height; funcs->control(tvh->priv, TVI_CONTROL_VID_SET_WIDTH_HEIGHT, dim); } /* set width */ if (tvh->tv_param->width != -1) { if (funcs->control(tvh->priv, TVI_CONTROL_VID_CHK_WIDTH, &tvh->tv_param->width) == TVI_CONTROL_TRUE) funcs->control(tvh->priv, TVI_CONTROL_VID_SET_WIDTH, &tvh->tv_param->width); else { mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_UnableToSetWidth, tvh->tv_param->width); funcs->control(tvh->priv, TVI_CONTROL_VID_GET_WIDTH, &tvh->tv_param->width); } } /* set height */ if (tvh->tv_param->height != -1) { if (funcs->control(tvh->priv, TVI_CONTROL_VID_CHK_HEIGHT, &tvh->tv_param->height) == TVI_CONTROL_TRUE) funcs->control(tvh->priv, TVI_CONTROL_VID_SET_HEIGHT, &tvh->tv_param->height); else { mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_UnableToSetHeight, tvh->tv_param->height); funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HEIGHT, &tvh->tv_param->height); } } if (funcs->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) != TVI_CONTROL_TRUE) { mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_NoTuner); goto done; } /* select channel list */ for (i = 0; chanlists[i].name != NULL; i++) { if (!strcasecmp(chanlists[i].name, tvh->tv_param->chanlist)) { tvh->chanlist = i; tvh->chanlist_s = chanlists[i].list; break; } } if (tvh->chanlist == -1) { mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_UnableFindChanlist, tvh->tv_param->chanlist); return 0; } else mp_msg(MSGT_TV, MSGL_V, "Selected channel list: %s (including %d channels)\n", chanlists[tvh->chanlist].name, chanlists[tvh->chanlist].count); if (tvh->tv_param->freq && tvh->tv_param->channel) { mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_ChannelFreqParamConflict); goto done; } /* Handle channel names */ if (tvh->tv_param->channels) { parse_channels(tvh); } else tv_channel_last_real = malloc(5); if (tv_channel_list) { int i; int channel = 0; if (tvh->tv_param->channel) { if (isdigit(*tvh->tv_param->channel)) /* if tvh->tv_param->channel begins with a digit interpret it as a number */ channel = atoi(tvh->tv_param->channel); else { /* if tvh->tv_param->channel does not begin with a digit set the first channel that contains tvh->tv_param->channel in its name */ tv_channel_current = tv_channel_list; while ( tv_channel_current ) { if ( strstr(tv_channel_current->name, tvh->tv_param->channel) ) break; tv_channel_current = tv_channel_current->next; } if ( !tv_channel_current ) tv_channel_current = tv_channel_list; } } else channel = 1; if ( channel ) { tv_channel_current = tv_channel_list; for (i = 1; i < channel; i++) if (tv_channel_current->next) tv_channel_current = tv_channel_current->next; } set_norm_and_freq(tvh, tv_channel_current); tv_channel_last = tv_channel_current; } else { /* we need to set frequency */ if (tvh->tv_param->freq) { unsigned long freq = atof(tvh->tv_param->freq)*16; /* set freq in MHz */ funcs->control(tvh->priv, TVI_CONTROL_TUN_SET_FREQ, &freq); funcs->control(tvh->priv, TVI_CONTROL_TUN_GET_FREQ, &freq); mp_msg(MSGT_TV, MSGL_V, "Selected frequency: %lu (%.3f)\n", freq, freq/16.0); } if (tvh->tv_param->channel) { struct CHANLIST cl; mp_msg(MSGT_TV, MSGL_V, "Requested channel: %s\n", tvh->tv_param->channel); for (i = 0; i < chanlists[tvh->chanlist].count; i++) { cl = tvh->chanlist_s[i]; // printf("count%d: name: %s, freq: %d\n", // i, cl.name, cl.freq); if (!strcasecmp(cl.name, tvh->tv_param->channel)) { strcpy(tv_channel_last_real, cl.name); tvh->channel = i; mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel2, cl.name, cl.freq/1000.0); tv_set_freq_float(tvh, cl.freq); break; } } } } /* grep frequency in chanlist */ { unsigned long i2; int freq; tv_get_freq(tvh, &i2); freq = (int) (((float)(i2/16))*1000)+250; for (i = 0; i < chanlists[tvh->chanlist].count; i++) { if (tvh->chanlist_s[i].freq == freq) { tvh->channel = i+1; break; } } } done: /* also start device! */ return 1; }
static int open_tv(tvi_handle_t *tvh) { int i; const tvi_functions_t *funcs = tvh->functions; static const int tv_fmt_list[] = { MP_FOURCC_YV12, MP_FOURCC_I420, MP_FOURCC_UYVY, MP_FOURCC_YUY2, MP_FOURCC_RGB32, MP_FOURCC_RGB24, MP_FOURCC_RGB16, MP_FOURCC_RGB15 }; if (funcs->control(tvh->priv, TVI_CONTROL_IS_VIDEO, 0) != TVI_CONTROL_TRUE) { MP_ERR(tvh, "Error: No video input present!\n"); return 0; } if (tvh->tv_param->outfmt == -1) for (i = 0; i < sizeof (tv_fmt_list) / sizeof (*tv_fmt_list); i++) { tvh->tv_param->outfmt = tv_fmt_list[i]; if (funcs->control (tvh->priv, TVI_CONTROL_VID_SET_FORMAT, &tvh->tv_param->outfmt) == TVI_CONTROL_TRUE) break; } else { switch(tvh->tv_param->outfmt) { case MP_FOURCC_YV12: case MP_FOURCC_I420: case MP_FOURCC_UYVY: case MP_FOURCC_YUY2: case MP_FOURCC_RGB32: case MP_FOURCC_RGB24: case MP_FOURCC_BGR32: case MP_FOURCC_BGR24: case MP_FOURCC_BGR16: case MP_FOURCC_BGR15: break; default: MP_ERR(tvh, "==================================================================\n"\ " WARNING: UNTESTED OR UNKNOWN OUTPUT IMAGE FORMAT REQUESTED (0x%x)\n"\ " This may cause buggy playback or program crash! Bug reports will\n"\ " be ignored! You should try again with YV12 (which is the default\n"\ " colorspace) and read the documentation!\n"\ "==================================================================\n" ,tvh->tv_param->outfmt); } funcs->control(tvh->priv, TVI_CONTROL_VID_SET_FORMAT, &tvh->tv_param->outfmt); } /* set some params got from cmdline */ funcs->control(tvh->priv, TVI_CONTROL_SPC_SET_INPUT, &tvh->tv_param->input); if ((!strcmp(tvh->tv_param->driver, "v4l2") && tvh->tv_param->normid >= 0)) tv_set_norm_i(tvh, tvh->tv_param->normid); else tv_set_norm(tvh,tvh->tv_param->norm); /* limits on w&h are norm-dependent -- JM */ if (tvh->tv_param->width != -1 && tvh->tv_param->height != -1) { // first tell the driver both width and height, some drivers do not support setting them independently. int dim[2]; dim[0] = tvh->tv_param->width; dim[1] = tvh->tv_param->height; funcs->control(tvh->priv, TVI_CONTROL_VID_SET_WIDTH_HEIGHT, dim); } /* set width */ if (tvh->tv_param->width != -1) { if (funcs->control(tvh->priv, TVI_CONTROL_VID_CHK_WIDTH, &tvh->tv_param->width) == TVI_CONTROL_TRUE) funcs->control(tvh->priv, TVI_CONTROL_VID_SET_WIDTH, &tvh->tv_param->width); else { MP_ERR(tvh, "Unable to set requested width: %d\n", tvh->tv_param->width); funcs->control(tvh->priv, TVI_CONTROL_VID_GET_WIDTH, &tvh->tv_param->width); } } /* set height */ if (tvh->tv_param->height != -1) { if (funcs->control(tvh->priv, TVI_CONTROL_VID_CHK_HEIGHT, &tvh->tv_param->height) == TVI_CONTROL_TRUE) funcs->control(tvh->priv, TVI_CONTROL_VID_SET_HEIGHT, &tvh->tv_param->height); else { MP_ERR(tvh, "Unable to set requested height: %d\n", tvh->tv_param->height); funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HEIGHT, &tvh->tv_param->height); } } if (funcs->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) != TVI_CONTROL_TRUE) { MP_WARN(tvh, "Selected input hasn't got a tuner!\n"); goto done; } /* select channel list */ for (i = 0; chanlists[i].name != NULL; i++) { if (!strcasecmp(chanlists[i].name, tvh->tv_param->chanlist)) { tvh->chanlist = i; tvh->chanlist_s = chanlists[i].list; break; } } if (tvh->chanlist == -1) { MP_WARN(tvh, "Unable to find selected channel list! (%s)\n", tvh->tv_param->chanlist); return 0; } else MP_VERBOSE(tvh, "Selected channel list: %s (including %d channels)\n", chanlists[tvh->chanlist].name, chanlists[tvh->chanlist].count); if (tvh->tv_param->freq && tvh->tv_param->channel) { MP_WARN(tvh, "You can't set frequency and channel simultaneously!\n"); goto done; } /* Handle channel names */ if (tvh->tv_param->channels) { parse_channels(tvh); } else tv_channel_last_real = malloc(5); if (tv_channel_list) { int channel = 0; if (tvh->tv_param->channel) { if (isdigit(*tvh->tv_param->channel)) /* if tvh->tv_param->channel begins with a digit interpret it as a number */ channel = atoi(tvh->tv_param->channel); else { /* if tvh->tv_param->channel does not begin with a digit set the first channel that contains tvh->tv_param->channel in its name */ tv_channel_current = tv_channel_list; while ( tv_channel_current ) { if ( strstr(tv_channel_current->name, tvh->tv_param->channel) ) break; tv_channel_current = tv_channel_current->next; } if ( !tv_channel_current ) tv_channel_current = tv_channel_list; } } else channel = 1; if ( channel ) { tv_channel_current = tv_channel_list; for (int n = 1; n < channel; n++) if (tv_channel_current->next) tv_channel_current = tv_channel_current->next; } set_norm_and_freq(tvh, tv_channel_current); tv_channel_last = tv_channel_current; } else { /* we need to set frequency */ if (tvh->tv_param->freq) { unsigned long freq = atof(tvh->tv_param->freq)*16; /* set freq in MHz */ funcs->control(tvh->priv, TVI_CONTROL_TUN_SET_FREQ, &freq); funcs->control(tvh->priv, TVI_CONTROL_TUN_GET_FREQ, &freq); MP_VERBOSE(tvh, "Selected frequency: %lu (%.3f)\n", freq, freq/16.0); } if (tvh->tv_param->channel) { struct CHANLIST cl; MP_VERBOSE(tvh, "Requested channel: %s\n", tvh->tv_param->channel); for (i = 0; i < chanlists[tvh->chanlist].count; i++) { cl = tvh->chanlist_s[i]; // printf("count%d: name: %s, freq: %d\n", // i, cl.name, cl.freq); if (!strcasecmp(cl.name, tvh->tv_param->channel)) { strcpy(tv_channel_last_real, cl.name); tvh->channel = i; MP_INFO(tvh, "Selected channel: %s (freq: %.3f)\n", cl.name, cl.freq/1000.0); tv_set_freq_float(tvh, cl.freq); break; } } } } /* grep frequency in chanlist */ { unsigned long i2; int freq; tv_get_freq(tvh, &i2); freq = (int) (((float)(i2/16))*1000)+250; for (i = 0; i < chanlists[tvh->chanlist].count; i++) { if (tvh->chanlist_s[i].freq == freq) { tvh->channel = i+1; break; } } } done: /* also start device! */ return 1; }