/* TV subsystem for libMPDemux by Alex API idea based on libvo2's UNDER HEAVY DEVELOPEMENT, DO NOT USE! :) */ #include #include #include #include "config.h" #ifdef USE_TV #include "tv.h" #include "mp_msg.h" #include "help_mp.h" #include "stream.h" #include "demuxer.h" #include "stheader.h" /* global! */ tvi_handle_t *tv_handler; /* some default values */ float tv_param_freq = 0.0; char *tv_param_channel = "0"; char *tv_param_norm = "pal"; int tv_param_on = 0; char *tv_param_device = NULL; char *tv_param_driver = "dummy"; int tv_param_width = -1; int tv_param_height = -1; /* ================== DEMUX_TV ===================== */ /* Return value: 0 = EOF(?) or no stream 1 = successfully read a packet */ /* fill demux->video and demux->audio */ int demux_tv_fill_buffer(demuxer_t *demux) { int seq; demux_stream_t *ds_video = NULL; demux_packet_t *dp_video = NULL; demux_stream_t *ds_audio = NULL; demux_packet_t *dp_audio = NULL; int len_video, len_audio; demux->filepos = -1; /* ================== ADD VIDEO PACKET =================== */ len_video = tv_handler->functions->get_video_framesize(tv_handler->priv); ds_video = demux->video; if (!ds_video) { dp_video = new_demux_packet(len_video); tv_handler->functions->grab_video_frame(tv_handler->priv, dp_video->buffer, len_video); dp_video->pos = demux->filepos; ds_video->asf_packet = dp_video; ds_video->asf_seq = seq; } else if (ds_video->asf_packet) { if (ds_video->asf_seq != seq) { ds_add_packet(ds_video, ds_video->asf_packet); ds_video->asf_packet = NULL; } else { dp_video = ds_video->asf_packet; dp_video->buffer = realloc(dp_video->buffer, dp_video->len+len_video); tv_handler->functions->grab_video_frame(tv_handler->priv, dp_video->buffer+dp_video->len, len_video); mp_dbg(MSGT_DEMUX,MSGL_DBG4, "video data appended %d+%d\n", dp_video->len, len_video); dp_video->len += len_video; } } /* ================== ADD AUDIO PACKET =================== */ len_audio = tv_handler->functions->get_audio_framesize(tv_handler->priv); ds_audio = demux->audio; if (!ds_audio) { dp_audio = new_demux_packet(len_audio); tv_handler->functions->grab_audio_frame(tv_handler->priv, dp_audio->buffer, len_audio); dp_audio->pos = demux->filepos; ds_audio->asf_packet = dp_audio; ds_audio->asf_seq = seq; } else if (ds_audio->asf_packet) { if (ds_audio->asf_seq != seq) { ds_add_packet(ds_audio, ds_audio->asf_packet); ds_audio->asf_packet = NULL; } else { dp_audio = ds_audio->asf_packet; dp_audio->buffer = realloc(dp_audio->buffer, dp_audio->len+len_audio); tv_handler->functions->grab_audio_frame(tv_handler->priv, dp_audio->buffer+dp_audio->len, len_audio); mp_dbg(MSGT_DEMUX,MSGL_DBG4, "audio data appended %d+%d\n", dp_audio->len, len_audio); dp_audio->len += len_audio; } } return 1; } int demux_open_tv(demuxer_t *demuxer) { sh_video_t *sh_video; tvi_handle_t *tvh = tv_handler; tvi_functions_t *funcs = tvh->functions; sh_video = new_sh_video(demuxer,0); // sh->format=0x7476696e; /* "tvin" */ if (funcs->control(tvh->priv, TVI_CONTROL_VID_GET_FORMAT, &sh_video->format) != TVI_CONTROL_TRUE) sh_video->format = 0x00000000; if(!sh_video->fps) { if (funcs->control(tvh->priv, TVI_CONTROL_VID_GET_FPS, &sh_video->fps) != TVI_CONTROL_TRUE) sh_video->fps = 24.0f; } sh_video->frametime = 1.0f/sh_video->fps; /* set width */ if (tv_param_width != -1) { if (funcs->control(tvh->priv, TVI_CONTROL_VID_CHK_WIDTH, &tv_param_width) == TVI_CONTROL_TRUE) { funcs->control(tvh->priv, TVI_CONTROL_VID_SET_WIDTH, &tv_param_width); sh_video->disp_w = tv_param_width; } else { printf("Unable set requested width: %d\n", tv_param_width); funcs->control(tvh->priv, TVI_CONTROL_VID_GET_WIDTH, &sh_video->disp_w); tv_param_width = sh_video->disp_w; } } else funcs->control(tvh->priv, TVI_CONTROL_VID_GET_WIDTH, &sh_video->disp_w); /* set height */ if (tv_param_height != -1) { if (funcs->control(tvh->priv, TVI_CONTROL_VID_CHK_HEIGHT, &tv_param_height) == TVI_CONTROL_TRUE) { funcs->control(tvh->priv, TVI_CONTROL_VID_SET_HEIGHT, &tv_param_height); sh_video->disp_h = tv_param_height; } else { printf("Unable set requested height: %d\n", tv_param_height); funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HEIGHT, &sh_video->disp_h); tv_param_height = sh_video->disp_h; } } else funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HEIGHT, &sh_video->disp_h); /* emulate BITMAPINFOHEADER */ sh_video->bih = malloc(sizeof(BITMAPINFOHEADER)); memset(sh_video->bih, 0, sizeof(BITMAPINFOHEADER)); sh_video->bih->biSize = 40; sh_video->bih->biWidth = sh_video->disp_w; sh_video->bih->biHeight = sh_video->disp_h; if (funcs->control(tvh->priv, TVI_CONTROL_VID_GET_PLANES, &sh_video->bih->biPlanes) != TVI_CONTROL_TRUE) sh_video->bih->biPlanes = 1; if (funcs->control(tvh->priv, TVI_CONTROL_VID_GET_BITS, &sh_video->bih->biBitCount) != TVI_CONTROL_TRUE) sh_video->bih->biBitCount = 12; sh_video->bih->biCompression = sh_video->format; sh_video->bih->biSizeImage = sh_video->bih->biWidth * sh_video->bih->biHeight * 3; demuxer->video->sh = sh_video; sh_video->ds = demuxer->video; demuxer->video->id = 0; /* here comes audio init */ } /* ================== STREAM_TV ===================== */ tvi_handle_t *tv_begin() { if (!strcmp(tv_param_driver, "dummy")) return tvi_init_dummy(tv_param_device); if (!strcmp(tv_param_driver, "v4l")) return tvi_init_v4l(tv_param_device); mp_msg(MSGT_TV, MSGL_ERR, "No such driver: %s\n", tv_param_driver); return(NULL); } void tv_init(tvi_handle_t *tvi) { printf("Using driver: %s\n", tvi->info->short_name); printf(" name: %s\n", tvi->info->name); printf(" author: %s\n", tvi->info->author); if (tvi->info->comment) printf(" comment: %s\n", tvi->info->comment); return tvi->functions->init(tvi->priv); } #endif /* USE_TV */