static int demux_open_mf(demuxer_t *demuxer, enum demux_check check) { mf_t *mf; if (strncmp(demuxer->stream->url, "mf://", 5) == 0 && demuxer->stream->type == STREAMTYPE_MF) mf = open_mf_pattern(demuxer, demuxer->log, demuxer->stream->url + 5); else { mf = open_mf_single(demuxer, demuxer->log, demuxer->stream->url); int bog = 0; MP_TARRAY_APPEND(mf, mf->streams, bog, demuxer->stream); } if (!mf || mf->nr_of_files < 1) goto error; char *force_type = demuxer->opts->mf_type; const char *codec = mp_map_mimetype_to_video_codec(demuxer->stream->mime_type); if (!codec || (force_type && force_type[0])) codec = probe_format(mf, force_type, check); if (!codec) goto error; mf->curr_frame = 0; // create a new video stream header struct sh_stream *sh = demux_alloc_sh_stream(STREAM_VIDEO); struct mp_codec_params *c = sh->codec; c->codec = codec; c->disp_w = 0; c->disp_h = 0; c->fps = demuxer->opts->mf_fps; demux_add_sh_stream(demuxer, sh); mf->sh = sh; demuxer->priv = (void *)mf; demuxer->seekable = true; return 0; error: return -1; }
static int demux_open_tv(demuxer_t *demuxer, enum demux_check check) { tvi_handle_t *tvh; const tvi_functions_t *funcs; if (check > DEMUX_CHECK_REQUEST || demuxer->stream->type != STREAMTYPE_TV) return -1; tv_param_t *params = mp_get_config_group(demuxer, demuxer->global, &tv_params_conf); bstr urlparams = bstr0(demuxer->stream->path); bstr channel, input; bstr_split_tok(urlparams, "/", &channel, &input); if (channel.len) { talloc_free(params->channels); params->channel = bstrto0(NULL, channel); } if (input.len) { bstr r; params->input = bstrtoll(input, &r, 0); if (r.len) { MP_ERR(demuxer->stream, "invalid input: '%.*s'\n", BSTR_P(input)); return -1; } } assert(demuxer->priv==NULL); if(!(tvh=tv_begin(params, demuxer->log))) return -1; if (!tvh->functions->init(tvh->priv)) return -1; tvh->demuxer = demuxer; if (!open_tv(tvh)){ tv_uninit(tvh); return -1; } funcs = tvh->functions; demuxer->priv=tvh; struct sh_stream *sh_v = demux_alloc_sh_stream(STREAM_VIDEO); /* get IMAGE FORMAT */ int fourcc; funcs->control(tvh->priv, TVI_CONTROL_VID_GET_FORMAT, &fourcc); if (fourcc == MP_FOURCC_MJPEG) { sh_v->codec->codec = "mjpeg"; } else { sh_v->codec->codec = "rawvideo"; sh_v->codec->codec_tag = fourcc; } /* set FPS and FRAMETIME */ if(!sh_v->codec->fps) { float tmp; if (funcs->control(tvh->priv, TVI_CONTROL_VID_GET_FPS, &tmp) != TVI_CONTROL_TRUE) sh_v->codec->fps = 25.0f; /* on PAL */ else sh_v->codec->fps = tmp; } if (tvh->tv_param->fps != -1.0f) sh_v->codec->fps = tvh->tv_param->fps; /* If playback only mode, go to immediate mode, fail silently */ if(tvh->tv_param->immediate == 1) { funcs->control(tvh->priv, TVI_CONTROL_IMMEDIATE, 0); tvh->tv_param->audio = 0; } /* set width */ funcs->control(tvh->priv, TVI_CONTROL_VID_GET_WIDTH, &sh_v->codec->disp_w); /* set height */ funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HEIGHT, &sh_v->codec->disp_h); demux_add_sh_stream(demuxer, sh_v); demuxer->seekable = 0; /* here comes audio init */ if (tvh->tv_param->audio && funcs->control(tvh->priv, TVI_CONTROL_IS_AUDIO, 0) == TVI_CONTROL_TRUE) { int audio_format; /* yeah, audio is present */ funcs->control(tvh->priv, TVI_CONTROL_AUD_SET_SAMPLERATE, &tvh->tv_param->audiorate); if (funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_FORMAT, &audio_format) != TVI_CONTROL_TRUE) goto no_audio; switch(audio_format) { // This is the only format any of the current inputs generate. case AF_FORMAT_S16: break; default: MP_ERR(tvh, "Audio type '%s' unsupported!\n", af_fmt_to_str(audio_format)); goto no_audio; } struct sh_stream *sh_a = demux_alloc_sh_stream(STREAM_AUDIO); funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_SAMPLERATE, &sh_a->codec->samplerate); int nchannels = sh_a->codec->channels.num; funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_CHANNELS, &nchannels); mp_chmap_from_channels(&sh_a->codec->channels, nchannels); // s16ne mp_set_pcm_codec(sh_a->codec, true, false, 16, BYTE_ORDER == BIG_ENDIAN); demux_add_sh_stream(demuxer, sh_a); MP_VERBOSE(tvh, " TV audio: %d channels, %d bits, %d Hz\n", nchannels, 16, sh_a->codec->samplerate); } no_audio: if(!(funcs->start(tvh->priv))){ // start failed :( tv_uninit(tvh); return -1; } /* set color eq */ tv_set_color_options(tvh, TV_COLOR_BRIGHTNESS, tvh->tv_param->brightness); tv_set_color_options(tvh, TV_COLOR_HUE, tvh->tv_param->hue); tv_set_color_options(tvh, TV_COLOR_SATURATION, tvh->tv_param->saturation); tv_set_color_options(tvh, TV_COLOR_CONTRAST, tvh->tv_param->contrast); if(tvh->tv_param->gain!=-1) if(funcs->control(tvh->priv,TVI_CONTROL_VID_SET_GAIN,&tvh->tv_param->gain)!=TVI_CONTROL_TRUE) MP_WARN(tvh, "Unable to set gain control!\n"); return 0; }
static void get_disc_lang(struct stream *stream, struct sh_stream *sh) { struct stream_lang_req req = {.type = sh->type, .id = sh->demuxer_id}; if (stream->uncached_type == STREAMTYPE_DVD && sh->type == STREAM_SUB) req.id = req.id & 0x1F; // mpeg ID to index stream_control(stream, STREAM_CTRL_GET_LANG, &req); if (req.name[0]) sh->lang = talloc_strdup(sh, req.name); } static void add_dvd_streams(demuxer_t *demuxer) { struct priv *p = demuxer->priv; struct stream *stream = demuxer->stream; if (stream->uncached_type != STREAMTYPE_DVD) return; struct stream_dvd_info_req info; if (stream_control(stream, STREAM_CTRL_GET_DVD_INFO, &info) > 0) { for (int n = 0; n < MPMIN(32, info.num_subs); n++) { struct sh_stream *sh = demux_alloc_sh_stream(STREAM_SUB); sh->demuxer_id = n + 0x20; sh->codec->codec = "dvd_subtitle"; get_disc_lang(stream, sh); // p->streams _must_ match with p->slave->streams, so we can't add // it yet - it has to be done when the real stream appears, which // could be right on start, or any time later. p->dvd_subs[n] = sh; // emulate the extradata struct mp_csp_params csp = MP_CSP_PARAMS_DEFAULTS; struct mp_cmat cmatrix; mp_get_csp_matrix(&csp, &cmatrix); char *s = talloc_strdup(sh, ""); s = talloc_asprintf_append(s, "palette: "); for (int i = 0; i < 16; i++) { int color = info.palette[i]; int y[3] = {(color >> 16) & 0xff, (color >> 8) & 0xff, color & 0xff}; int c[3]; mp_map_fixp_color(&cmatrix, 8, y, 8, c); color = (c[2] << 16) | (c[1] << 8) | c[0]; if (i != 0) s = talloc_asprintf_append(s, ", "); s = talloc_asprintf_append(s, "%06x", color); } s = talloc_asprintf_append(s, "\n"); sh->codec->extradata = s; sh->codec->extradata_size = strlen(s); demux_add_sh_stream(demuxer, sh); } } } static void add_streams(demuxer_t *demuxer) { struct priv *p = demuxer->priv; for (int n = p->num_streams; n < demux_get_num_stream(p->slave); n++) { struct sh_stream *src = demux_get_stream(p->slave, n); if (src->type == STREAM_SUB) { struct sh_stream *sub = NULL; if (src->demuxer_id >= 0x20 && src->demuxer_id <= 0x3F) sub = p->dvd_subs[src->demuxer_id - 0x20]; if (sub) { assert(p->num_streams == n); // directly mapped MP_TARRAY_APPEND(p, p->streams, p->num_streams, sub); continue; } } struct sh_stream *sh = demux_alloc_sh_stream(src->type); assert(p->num_streams == n); // directly mapped MP_TARRAY_APPEND(p, p->streams, p->num_streams, sh); // Copy all stream fields that might be relevant *sh->codec = *src->codec; sh->demuxer_id = src->demuxer_id; if (src->type == STREAM_VIDEO) { double ar; if (stream_control(demuxer->stream, STREAM_CTRL_GET_ASPECT_RATIO, &ar) == STREAM_OK) { struct mp_image_params f = {.w = src->codec->disp_w, .h = src->codec->disp_h}; mp_image_params_set_dsize(&f, 1728 * ar, 1728); sh->codec->par_w = f.p_w; sh->codec->par_h = f.p_h; } } get_disc_lang(demuxer->stream, sh); demux_add_sh_stream(demuxer, sh); } reselect_streams(demuxer); } static void d_seek(demuxer_t *demuxer, double rel_seek_secs, int flags) { struct priv *p = demuxer->priv; if (demuxer->stream->uncached_type == STREAMTYPE_CDDA) { demux_seek(p->slave, rel_seek_secs, flags); return; } double pts = p->seek_pts; if (flags & SEEK_ABSOLUTE) pts = 0.0f; double base_pts = pts; // to what pts is relative if (flags & SEEK_FACTOR) { double tmp = 0; stream_control(demuxer->stream, STREAM_CTRL_GET_TIME_LENGTH, &tmp); pts += tmp * rel_seek_secs; } else { pts += rel_seek_secs; } MP_VERBOSE(demuxer, "seek to: %f\n", pts); double seek_arg[] = {pts, base_pts, flags}; stream_control(demuxer->stream, STREAM_CTRL_SEEK_TO_TIME, seek_arg); demux_control(p->slave, DEMUXER_CTRL_RESYNC, NULL); p->seek_pts = pts; p->seek_reinit = true; } static void reset_pts(demuxer_t *demuxer) { struct priv *p = demuxer->priv; double base; if (stream_control(demuxer->stream, STREAM_CTRL_GET_CURRENT_TIME, &base) < 1) base = 0; MP_VERBOSE(demuxer, "reset to time: %f\n", base); p->base_dts = p->last_dts = MP_NOPTS_VALUE; p->base_time = base; p->seek_reinit = false; } static int d_fill_buffer(demuxer_t *demuxer) { struct priv *p = demuxer->priv; struct demux_packet *pkt = demux_read_any_packet(p->slave); if (!pkt) return 0; demux_update(p->slave); if (p->seek_reinit) reset_pts(demuxer); add_streams(demuxer); if (pkt->stream >= p->num_streams) { // out of memory? talloc_free(pkt); return 0; } struct sh_stream *sh = p->streams[pkt->stream]; if (!demux_stream_is_selected(sh)) { talloc_free(pkt); return 1; } if (demuxer->stream->uncached_type == STREAMTYPE_CDDA) { demux_add_packet(sh, pkt); return 1; } MP_TRACE(demuxer, "ipts: %d %f %f\n", sh->type, pkt->pts, pkt->dts); if (sh->type == STREAM_SUB) { if (p->base_dts == MP_NOPTS_VALUE) MP_WARN(demuxer, "subtitle packet along PTS reset\n"); } else if (pkt->dts != MP_NOPTS_VALUE) { // Use the very first DTS to rebase the start time of the MPEG stream // to the playback time. if (p->base_dts == MP_NOPTS_VALUE) p->base_dts = pkt->dts; if (p->last_dts == MP_NOPTS_VALUE) p->last_dts = pkt->dts; if (fabs(p->last_dts - pkt->dts) >= DTS_RESET_THRESHOLD) { MP_WARN(demuxer, "PTS discontinuity: %f->%f\n", p->last_dts, pkt->dts); p->base_time += p->last_dts - p->base_dts; p->base_dts = pkt->dts - pkt->duration; } p->last_dts = pkt->dts; } if (p->base_dts != MP_NOPTS_VALUE) { double delta = -p->base_dts + p->base_time; if (pkt->pts != MP_NOPTS_VALUE) pkt->pts += delta; if (pkt->dts != MP_NOPTS_VALUE) pkt->dts += delta; } MP_TRACE(demuxer, "opts: %d %f %f\n", sh->type, pkt->pts, pkt->dts); if (pkt->pts != MP_NOPTS_VALUE) p->seek_pts = pkt->pts; demux_add_packet(sh, pkt); return 1; } static void add_stream_chapters(struct demuxer *demuxer) { int num = 0; if (stream_control(demuxer->stream, STREAM_CTRL_GET_NUM_CHAPTERS, &num) < 1) return; for (int n = 0; n < num; n++) { double p = n; if (stream_control(demuxer->stream, STREAM_CTRL_GET_CHAPTER_TIME, &p) < 1) continue; demuxer_add_chapter(demuxer, "", p, 0); } }