Beispiel #1
0
// Select a decoder from the given list for the given codec. The selection
// can be influenced by the selection string, which can specify a priority
// list of preferred decoders.
// This returns a list of decoders to try, with the preferred decoders first.
// The selection string corresponds to --vd/--ad directly, and has the
// following syntax:
//   selection = [<entry> ("," <entry>)*]
//       entry = <family> ":" <decoder>         // prefer decoder
//       entry = <family> ":*"                  // prefer all decoders
//       entry = "+" <family> ":" <decoder>     // force a decoder
//       entry = "-" <family> ":" <decoder>     // exclude a decoder
//       entry = "-"                            // don't add fallback decoders
// Forcing a decoder means it's added even if the codec mismatches.
struct mp_decoder_list *mp_select_decoders(struct mp_decoder_list *all,
                                           const char *codec,
                                           const char *selection)
{
    struct mp_decoder_list *list = talloc_zero(NULL, struct mp_decoder_list);
    struct mp_decoder_list *remove = talloc_zero(NULL, struct mp_decoder_list);
    if (!codec)
        codec = "unknown";
    bool stop = false;
    bstr sel = bstr0(selection);
    while (sel.len) {
        bstr entry;
        bstr_split_tok(sel, ",", &entry, &sel);
        if (bstr_equals0(entry, "-")) {
            stop = true;
            break;
        }
        bool force = bstr_eatstart0(&entry, "+");
        bool exclude = !force && bstr_eatstart0(&entry, "-");
        struct mp_decoder_list *dest = exclude ? remove : list;
        bstr family, decoder;
        if (!bstr_split_tok(entry, ":", &family, &decoder)) {
            mp_msg(MSGT_CFGPARSER, MSGL_ERR, "Decoders must be specified as "
                   "'family:decoder' for the --ad/--vd options.\n");
            break;
        }
        if (bstr_equals0(decoder, "*")) {
            for (int n = 0; n < all->num_entries; n++) {
                struct mp_decoder_entry *cur = &all->entries[n];
                if (bstr_equals0(family, cur->family))
                    add_new(dest, cur, codec);
            }
        } else {
            add_new(dest, find_decoder(all, family, decoder),
                    force ? NULL : codec);
        }
    }
    if (!stop) {
        // Add the remaining codecs which haven't been added yet
        for (int n = 0; n < all->num_entries; n++)
            add_new(list, &all->entries[n], codec);
    }
    for (int n = 0; n < remove->num_entries; n++) {
        struct mp_decoder_entry *ex = &remove->entries[n];
        struct mp_decoder_entry *del =
            find_decoder(list, bstr0(ex->family), bstr0(ex->decoder));
        if (del) {
            int index = del - &list->entries[0];
            MP_TARRAY_REMOVE_AT(list->entries, list->num_entries, index);
        }
    }
    talloc_free(remove);
    return list;
}
Beispiel #2
0
static int parse_ref_init(struct pl_parser *p)
{
    bstr line = bstr_strip(pl_get_line(p));
    if (!bstr_equals0(line, "[Reference]"))
        return -1;

    // ASF http streaming redirection - this is needed because ffmpeg http://
    // and mmsh:// can not automatically switch automatically between each
    // others. Both protocols use http - MMSH requires special http headers
    // to "activate" it, and will in other cases return this playlist.
    static const char *const mmsh_types[] = {"audio/x-ms-wax",
        "audio/x-ms-wma", "video/x-ms-asf", "video/x-ms-afs", "video/x-ms-wmv",
        "video/x-ms-wma", "application/x-mms-framed",
        "application/vnd.ms.wms-hdr.asfv1", NULL};
    bstr burl = bstr0(p->s->url);
    if (bstr_eatstart0(&burl, "http://") && check_mimetype(p->s, mmsh_types)) {
        MP_INFO(p, "Redirecting to mmsh://\n");
        playlist_add_file(p->pl, talloc_asprintf(p, "mmsh://%.*s", BSTR_P(burl)));
        return 0;
    }

    while (!pl_eof(p)) {
        line = bstr_strip(pl_get_line(p));
        if (bstr_case_startswith(line, bstr0("Ref"))) {
            bstr_split_tok(line, "=", &(bstr){0}, &line);
            if (line.len)
                pl_add(p, line);
        }
    }
    return 0;
}
Beispiel #3
0
// selection is a ","-separated list of decoders, all in the given family.
struct mp_decoder_list *mp_select_decoder_list(struct mp_decoder_list *all,
                                               const char *codec,
                                               const char *family,
                                               const char *selection)
{
    struct mp_decoder_list *list = talloc_zero(NULL, struct mp_decoder_list);
    bstr sel = bstr0(selection);
    while (sel.len) {
        bstr decoder;
        bstr_split_tok(sel, ",", &decoder, &sel);
        add_new(list, find_decoder(all, bstr0(family), decoder), codec);
    }
    return list;
}
Beispiel #4
0
static int parse_ref_init(struct pl_parser *p)
{
    bstr line = bstr_strip(pl_get_line(p));
    if (!bstr_equals0(line, "[Reference]"))
        return -1;
    while (!pl_eof(p)) {
        line = bstr_strip(pl_get_line(p));
        if (bstr_case_startswith(line, bstr0("Ref"))) {
            bstr_split_tok(line, "=", &(bstr){0}, &line);
            if (line.len)
                pl_add(p, line);
        }
    }
    return 0;
}
Beispiel #5
0
static int parse_m3u(struct pl_parser *p)
{
    bstr line = bstr_strip(pl_get_line(p));
    if (p->probing && !bstr_equals0(line, "#EXTM3U")) {
        // Last resort: if the file extension is m3u, it might be headerless.
        if (p->check_level == DEMUX_CHECK_UNSAFE) {
            char *ext = mp_splitext(p->real_stream->url, NULL);
            bstr data = stream_peek(p->real_stream, PROBE_SIZE);
            if (ext && data.len > 10 && maybe_text(data)) {
                const char *exts[] = {"m3u", "m3u8", NULL};
                for (int n = 0; exts[n]; n++) {
                    if (strcasecmp(ext, exts[n]) == 0)
                        goto ok;
                }
            }
        }
        return -1;
    }

ok:
    if (p->probing)
        return 0;

    char *title = NULL;
    while (line.len || !pl_eof(p)) {
        if (bstr_eatstart0(&line, "#EXTINF:")) {
            bstr duration, btitle;
            if (bstr_split_tok(line, ",", &duration, &btitle) && btitle.len) {
                talloc_free(title);
                title = bstrto0(NULL, btitle);
            }
        } else if (bstr_startswith0(line, "#EXT-X-")) {
            p->format = "hls";
        } else if (line.len > 0 && !bstr_startswith0(line, "#")) {
            char *fn = bstrto0(NULL, line);
            struct playlist_entry *e = playlist_entry_new(fn);
            talloc_free(fn);
            e->title = talloc_steal(e, title);
            title = NULL;
            playlist_add(p->pl, e);
        }
        line = bstr_strip(pl_get_line(p));
    }
    talloc_free(title);
    return 0;
}
Beispiel #6
0
// Returns 0 if a valid option/file is available, <0 on error, 1 on end of args.
static int split_opt_silent(struct parse_state *p)
{
    assert(!p->error);

    if (p->argc < 1)
        return 1;

    p->is_opt = false;
    p->arg = bstr0(p->argv[0]);
    p->param = bstr0(NULL);

    p->argc--;
    p->argv++;

    if (p->no_more_opts || !bstr_startswith0(p->arg, "-") || p->arg.len == 1)
        return 0;

    if (bstrcmp0(p->arg, "--") == 0) {
        p->no_more_opts = true;
        return split_opt_silent(p);
    }

    p->is_opt = true;

    if (!bstr_eatstart0(&p->arg, "--"))
        bstr_eatstart0(&p->arg, "-");

    bool ambiguous = !bstr_split_tok(p->arg, "=", &p->arg, &p->param);

    int r = m_config_option_requires_param(p->config, p->arg);
    if (r < 0)
        return r;

    if (ambiguous && r > 0) {
        if (p->argc < 1)
            return M_OPT_MISSING_PARAM;
        p->param = bstr0(p->argv[0]);
        p->argc--;
        p->argv++;
    }

    return 0;
}
Beispiel #7
0
static int parse_pls(struct pl_parser *p)
{
    bstr line = {0};
    while (!line.len && !pl_eof(p))
        line = bstr_strip(pl_get_line(p));
    if (bstrcasecmp0(line, "[playlist]") != 0)
        return -1;
    if (p->probing)
        return 0;
    while (!pl_eof(p)) {
        line = bstr_strip(pl_get_line(p));
        bstr key, value;
        if (bstr_split_tok(line, "=", &key, &value) &&
            bstr_case_startswith(key, bstr0("File")))
        {
            pl_add(p, value);
        }
    }
    return 0;
}
Beispiel #8
0
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;
}
Beispiel #9
0
int m_config_parse(m_config_t *config, const char *location, bstr data,
                   char *initial_section, int flags)
{
    m_profile_t *profile = m_config_add_profile(config, initial_section);
    void *tmp = talloc_new(NULL);
    int line_no = 0;
    int errors = 0;

    bstr_eatstart0(&data, "\xEF\xBB\xBF"); // skip BOM

    while (data.len) {
        talloc_free_children(tmp);
        bool ok = false;

        line_no++;
        char loc[512];
        snprintf(loc, sizeof(loc), "%s:%d:", location, line_no);

        bstr line = bstr_strip_linebreaks(bstr_getline(data, &data));
        if (!skip_ws(&line))
            continue;

        // Profile declaration
        if (bstr_eatstart0(&line, "[")) {
            bstr profilename;
            if (!bstr_split_tok(line, "]", &profilename, &line)) {
                MP_ERR(config, "%s missing closing ]\n", loc);
                goto error;
            }
            if (skip_ws(&line)) {
                MP_ERR(config, "%s unparseable extra characters: '%.*s'\n",
                       loc, BSTR_P(line));
                goto error;
            }
            profile = m_config_add_profile(config, bstrto0(tmp, profilename));
            continue;
        }

        bstr_eatstart0(&line, "--");

        bstr option = line;
        while (line.len && (mp_isalnum(line.start[0]) || line.start[0] == '_' ||
                            line.start[0] == '-'))
            line = bstr_cut(line, 1);
        option.len = option.len - line.len;
        skip_ws(&line);

        bstr value = {0};
        if (bstr_eatstart0(&line, "=")) {
            skip_ws(&line);
            if (line.len && (line.start[0] == '"' || line.start[0] == '\'')) {
                // Simple quoting, like "value"
                char term[2] = {line.start[0], 0};
                line = bstr_cut(line, 1);
                if (!bstr_split_tok(line, term, &value, &line)) {
                    MP_ERR(config, "%s unterminated quote\n", loc);
                    goto error;
                }
            } else if (bstr_eatstart0(&line, "%")) {
                // Quoting with length, like %5%value
                bstr rest;
                long long len = bstrtoll(line, &rest, 10);
                if (rest.len == line.len || !bstr_eatstart0(&rest, "%") ||
                    len > rest.len)
                {
                    MP_ERR(config, "%s fixed-length quoting expected - put "
                           "\"quotes\" around the option value if you did not "
                           "intend to use this, but your option value starts "
                           "with '%%'\n", loc);
                    goto error;
                }
                value = bstr_splice(rest, 0, len);
                line = bstr_cut(rest, len);
            } else {
                // No quoting; take everything until the comment or end of line
                int end = bstrchr(line, '#');
                value = bstr_strip(end < 0 ? line : bstr_splice(line, 0, end));
                line.len = 0;
            }
        }
        if (skip_ws(&line)) {
            MP_ERR(config, "%s unparseable extra characters: '%.*s'\n",
                   loc, BSTR_P(line));
            goto error;
        }

        int res;
        if (profile) {
            if (bstr_equals0(option, "profile-desc")) {
                m_profile_set_desc(profile, value);
                res = 0;
            } else {
                res = m_config_set_profile_option(config, profile, option, value);
            }
        } else {
            res = m_config_set_option_ext(config, option, value, flags);
        }
        if (res < 0) {
            MP_ERR(config, "%s setting option %.*s='%.*s' failed.\n",
                   loc, BSTR_P(option), BSTR_P(value));
            goto error;
        }

        ok = true;
    error:
        if (!ok)
            errors++;
        if (errors > 16) {
            MP_ERR(config, "%s: too many errors, stopping.\n", location);
            break;
        }
    }

    talloc_free(tmp);
    return 1;
}
Beispiel #10
0
/* Returns a list of parts, or NULL on parse error.
 * Syntax (without file header or URI prefix):
 *    url      ::= <entry> ( (';' | '\n') <entry> )*
 *    entry    ::= <param> ( <param> ',' )*
 *    param    ::= [<string> '='] (<string> | '%' <number> '%' <bytes>)
 */
static struct tl_parts *parse_edl(bstr str)
{
    struct tl_parts *tl = talloc_zero(NULL, struct tl_parts);
    while (str.len) {
        if (bstr_eatstart0(&str, "#"))
            bstr_split_tok(str, "\n", &(bstr){0}, &str);
        if (bstr_eatstart0(&str, "\n") || bstr_eatstart0(&str, ";"))
            continue;
        struct tl_part p = { .length = -1 };
        int nparam = 0;
        while (1) {
            bstr name, val;
            // Check if it's of the form "name=..."
            int next = bstrcspn(str, "=%,;\n");
            if (next > 0 && next < str.len && str.start[next] == '=') {
                name = bstr_splice(str, 0, next);
                str = bstr_cut(str, next + 1);
            } else {
                const char *names[] = {"file", "start", "length"}; // implied name
                name = bstr0(nparam < 3 ? names[nparam] : "-");
            }
            if (bstr_eatstart0(&str, "%")) {
                int len = bstrtoll(str, &str, 0);
                if (!bstr_startswith0(str, "%") || (len > str.len - 1))
                    goto error;
                val = bstr_splice(str, 1, len + 1);
                str = bstr_cut(str, len + 1);
            } else {
                next = bstrcspn(str, ",;\n");
                val = bstr_splice(str, 0, next);
                str = bstr_cut(str, next);
            }
            // Interpret parameters. Explicitly ignore unknown ones.
            if (bstr_equals0(name, "file")) {
                p.filename = bstrto0(tl, val);
            } else if (bstr_equals0(name, "start")) {
                if (!parse_time(val, &p.offset))
                    goto error;
                p.offset_set = true;
            } else if (bstr_equals0(name, "length")) {
                if (!parse_time(val, &p.length))
                    goto error;
            } else if (bstr_equals0(name, "timestamps")) {
                if (bstr_equals0(val, "chapters"))
                    p.chapter_ts = true;
            }
            nparam++;
            if (!bstr_eatstart0(&str, ","))
                break;
        }
        if (!p.filename)
            goto error;
        MP_TARRAY_APPEND(tl, tl->parts, tl->num_parts, p);
    }
    if (!tl->num_parts)
        goto error;
    return tl;
error:
    talloc_free(tl);
    return NULL;
}

static struct demuxer *open_source(struct timeline *tl, char *filename)
{
    for (int n = 0; n < tl->num_sources; n++) {
        struct demuxer *d = tl->sources[n];
        if (strcmp(d->stream->url, filename) == 0)
            return d;
    }
    struct demuxer *d = demux_open_url(filename, NULL, tl->cancel, tl->global);
    if (d) {
        MP_TARRAY_APPEND(tl, tl->sources, tl->num_sources, d);
    } else {
        MP_ERR(tl, "EDL: Could not open source file '%s'.\n", filename);
    }
    return d;
}

static double demuxer_chapter_time(struct demuxer *demuxer, int n)
{
    if (n < 0 || n >= demuxer->num_chapters)
        return -1;
    return demuxer->chapters[n].pts;
}

// Append all chapters from src to the chapters array.
// Ignore chapters outside of the given time range.
static void copy_chapters(struct demux_chapter **chapters, int *num_chapters,
                          struct demuxer *src, double start, double len,
                          double dest_offset)
{
    for (int n = 0; n < src->num_chapters; n++) {
        double time = demuxer_chapter_time(src, n);
        if (time >= start && time <= start + len) {
            struct demux_chapter ch = {
                .pts = dest_offset + time - start,
                .metadata = mp_tags_dup(*chapters, src->chapters[n].metadata),
            };
            MP_TARRAY_APPEND(NULL, *chapters, *num_chapters, ch);
        }
    }
}

// return length of the source in seconds, or -1 if unknown
static double source_get_length(struct demuxer *demuxer)
{
    double time;
    // <= 0 means DEMUXER_CTRL_NOTIMPL or DEMUXER_CTRL_DONTKNOW
    if (demux_control(demuxer, DEMUXER_CTRL_GET_TIME_LENGTH, &time) <= 0)
        time = -1;
    return time;
}

static void resolve_timestamps(struct tl_part *part, struct demuxer *demuxer)
{
    if (part->chapter_ts) {
        double start = demuxer_chapter_time(demuxer, part->offset);
        double length = part->length;
        double end = length;
        if (end >= 0)
            end = demuxer_chapter_time(demuxer, part->offset + part->length);
        if (end >= 0 && start >= 0)
            length = end - start;
        part->offset = start;
        part->length = length;
    }
    if (!part->offset_set)
        part->offset = demuxer->start_time;
}

static void build_timeline(struct timeline *tl, struct tl_parts *parts)
{
    tl->parts = talloc_array_ptrtype(tl, tl->parts, parts->num_parts + 1);
    double starttime = 0;
    for (int n = 0; n < parts->num_parts; n++) {
        struct tl_part *part = &parts->parts[n];
        struct demuxer *source = open_source(tl, part->filename);
        if (!source)
            goto error;

        resolve_timestamps(part, source);

        double end_time = source_get_length(source);
        if (end_time >= 0)
            end_time += source->start_time;

        // Unknown length => use rest of the file. If duration is unknown, make
        // something up.
        if (part->length < 0) {
            if (end_time < 0) {
                MP_WARN(tl, "EDL: source file '%s' has unknown duration.\n",
                        part->filename);
                end_time = 1;
            }
            part->length = end_time - part->offset;
        } else if (end_time >= 0) {
            double end_part = part->offset + part->length;
            if (end_part > end_time) {
                MP_WARN(tl, "EDL: entry %d uses %f "
                        "seconds, but file has only %f seconds.\n",
                        n, end_part, end_time);
            }
        }

        // Add a chapter between each file.
        struct demux_chapter ch = {
            .pts = starttime,
            .metadata = talloc_zero(tl, struct mp_tags),
        };
        mp_tags_set_str(ch.metadata, "title", part->filename);
        MP_TARRAY_APPEND(tl, tl->chapters, tl->num_chapters, ch);

        // Also copy the source file's chapters for the relevant parts
        copy_chapters(&tl->chapters, &tl->num_chapters, source, part->offset,
                      part->length, starttime);

        tl->parts[n] = (struct timeline_part) {
            .start = starttime,
            .source_start = part->offset,
            .source = source,
        };

        starttime += part->length;
    }
    tl->parts[parts->num_parts] = (struct timeline_part) {.start = starttime};
    tl->num_parts = parts->num_parts;
    tl->track_layout = tl->parts[0].source;
    return;

error:
    tl->num_parts = 0;
    tl->num_chapters = 0;
}

// For security, don't allow relative or absolute paths, only plain filenames.
// Also, make these filenames relative to the edl source file.
static void fix_filenames(struct tl_parts *parts, char *source_path)
{
    struct bstr dirname = mp_dirname(source_path);
    for (int n = 0; n < parts->num_parts; n++) {
        struct tl_part *part = &parts->parts[n];
        char *filename = mp_basename(part->filename); // plain filename only
        part->filename = mp_path_join_bstr(parts, dirname, bstr0(filename));
    }
}

static void build_mpv_edl_timeline(struct timeline *tl)
{
    struct priv *p = tl->demuxer->priv;

    struct tl_parts *parts = parse_edl(p->data);
    if (!parts) {
        MP_ERR(tl, "Error in EDL.\n");
        return;
    }
    MP_TARRAY_APPEND(tl, tl->sources, tl->num_sources, tl->demuxer);
    // Source is .edl and not edl:// => don't allow arbitrary paths
    if (tl->demuxer->stream->uncached_type != STREAMTYPE_EDL)
        fix_filenames(parts, tl->demuxer->filename);
    build_timeline(tl, parts);
    talloc_free(parts);
}

static int try_open_file(struct demuxer *demuxer, enum demux_check check)
{
    struct priv *p = talloc_zero(demuxer, struct priv);
    demuxer->priv = p;
    demuxer->fully_read = true;

    struct stream *s = demuxer->stream;
    if (s->uncached_type == STREAMTYPE_EDL) {
        p->data = bstr0(s->path);
        return 0;
    }
    if (check >= DEMUX_CHECK_UNSAFE) {
        if (!bstr_equals0(stream_peek(s, strlen(HEADER)), HEADER))
            return -1;
    }
    p->data = stream_read_complete(s, demuxer, 1000000);
    if (p->data.start == NULL)
        return -1;
    bstr_eatstart0(&p->data, HEADER);
    return 0;
}

const struct demuxer_desc demuxer_desc_edl = {
    .name = "edl",
    .desc = "Edit decision list",
    .open = try_open_file,
    .load_timeline = build_mpv_edl_timeline,
};
Beispiel #11
0
dvb_state_t *dvb_get_state(stream_t *stream)
{
    if (global_dvb_state != NULL) {
      return global_dvb_state;
    }
    struct mp_log *log = stream->log;
    struct mpv_global *global = stream->global;
    stream->priv = mp_get_config_group(stream, stream->global, &stream_dvb_conf);
    dvb_priv_t *priv = stream->priv;
    int type, size;
    char filename[30], *name;
    dvb_channels_list *list;
    dvb_card_config_t *cards = NULL, *tmp;
    dvb_state_t *state = NULL;

    bstr prog, card;
    if (!bstr_split_tok(bstr0(stream->path), "@", &card, &prog)) {
        prog = card;
        card.len = 0;
    }
    if (prog.len) {
        talloc_free(priv->cfg_prog);
        priv->cfg_prog = bstrto0(NULL, prog);
    }
    if (card.len) {
        bstr r;
        priv->cfg_card = bstrtoll(card, &r, 0);
        if (r.len || priv->cfg_card < 1 || priv->cfg_card > 4) {
            MP_ERR(stream, "invalid card: '%.*s'\n", BSTR_P(card));
            return NULL;
        }
    }

    state = malloc(sizeof(dvb_state_t));
    if (state == NULL)
        return NULL;

    state->count = 0;
    state->switching_channel = false;
    state->stream_used = true;
    state->cards = NULL;
    state->fe_fd = state->dvr_fd = -1;
    for (int i = 0; i < MAX_CARDS; i++) {
        snprintf(filename, sizeof(filename), "/dev/dvb/adapter%d/frontend0", i);
        int fd = open(filename, O_RDONLY | O_NONBLOCK | O_CLOEXEC);
        if (fd < 0) {
            mp_verbose(log, "DVB_CONFIG, can't open device %s, skipping\n",
                       filename);
            continue;
        }

        mp_verbose(log, "Opened device %s, FD: %d\n", filename, fd);
        int* tuner_types = NULL;
        int num_tuner_types = dvb_get_tuner_types(fd, log, &tuner_types);
        close(fd);
        mp_verbose(log, "Frontend device %s offers %d supported delivery systems.\n",
                   filename, num_tuner_types);
        for (int num_tuner_type=0; num_tuner_type<num_tuner_types; num_tuner_type++) {
          type = tuner_types[num_tuner_type];
          if (type != TUNER_SAT && type != TUNER_TER && type != TUNER_CBL &&
              type != TUNER_ATSC) {
            mp_verbose(log, "DVB_CONFIG, can't detect tuner type of "
                       "card %d, skipping\n", i);
            continue;
          }

          void *talloc_ctx = talloc_new(NULL);
          char *conf_file = NULL;
          if (priv->cfg_file && priv->cfg_file[0])
            conf_file = priv->cfg_file;
          else {
            switch (type) {
            case TUNER_TER:
              conf_file = mp_find_config_file(talloc_ctx, global,
                                              "channels.conf.ter");
              break;
            case TUNER_CBL:
              conf_file = mp_find_config_file(talloc_ctx, global,
                                              "channels.conf.cbl");
              break;
            case TUNER_SAT:
              conf_file = mp_find_config_file(talloc_ctx, global,
                                              "channels.conf.sat");
              break;
            case TUNER_ATSC:
              conf_file = mp_find_config_file(talloc_ctx, global,
                                              "channels.conf.atsc");
              break;
            }
            if (conf_file) {
              mp_verbose(log, "Ignoring other channels.conf files.\n");
            } else {
              conf_file = mp_find_config_file(talloc_ctx, global,
                                              "channels.conf");
            }
          }

          list = dvb_get_channels(log, priv->cfg_full_transponder, conf_file,
                                  type);
          talloc_free(talloc_ctx);

          if (list == NULL)
            continue;

          size = sizeof(dvb_card_config_t) * (state->count + 1);
          tmp = realloc(state->cards, size);

          if (tmp == NULL) {
            mp_err(log, "DVB_CONFIG, can't realloc %d bytes, skipping\n",
                   size);
            free(list);
            continue;
          }
          cards = tmp;

          name = malloc(20);
          if (name == NULL) {
            mp_err(log, "DVB_CONFIG, can't realloc 20 bytes, skipping\n");
            free(list);
            free(tmp);
            continue;
          }

          state->cards = cards;
          state->cards[state->count].devno = i;
          state->cards[state->count].list = list;
          state->cards[state->count].type = type;
          snprintf(name, 20, "DVB-%c card n. %d",
                   type == TUNER_TER ? 'T' : (type == TUNER_CBL ? 'C' : 'S'),
                   state->count + 1);
          state->cards[state->count].name = name;
          state->count++;
        }
        talloc_free(tuner_types);
    }

    if (state->count == 0) {
        free(state);
        state = NULL;
    }

    global_dvb_state = state;
    return state;
}
Beispiel #12
0
static mf_t *open_mf_pattern(void *talloc_ctx, struct mp_log *log, char *filename)
{
    int error_count = 0;
    int count = 0;

    mf_t *mf = talloc_zero(talloc_ctx, mf_t);
    mf->log = log;

    if (filename[0] == '@') {
        FILE *lst_f = fopen(filename + 1, "r");
        if (lst_f) {
            char *fname = talloc_size(mf, 512);
            while (fgets(fname, 512, lst_f)) {
                /* remove spaces from end of fname */
                char *t = fname + strlen(fname) - 1;
                while (t > fname && mp_isspace(*t))
                    *(t--) = 0;
                if (!mp_path_exists(fname)) {
                    mp_verbose(log, "file not found: '%s'\n", fname);
                } else {
                    mf_add(mf, fname);
                }
            }
            fclose(lst_f);

            mp_info(log, "number of files: %d\n", mf->nr_of_files);
            goto exit_mf;
        }
        mp_info(log, "%s is not indirect filelist\n", filename + 1);
    }

    if (strchr(filename, ',')) {
        mp_info(log, "filelist: %s\n", filename);
        bstr bfilename = bstr0(filename);

        while (bfilename.len) {
            bstr bfname;
            bstr_split_tok(bfilename, ",", &bfname, &bfilename);
            char *fname2 = bstrdup0(mf, bfname);

            if (!mp_path_exists(fname2))
                mp_verbose(log, "file not found: '%s'\n", fname2);
            else {
                mf_add(mf, fname2);
            }
            talloc_free(fname2);
        }
        mp_info(log, "number of files: %d\n", mf->nr_of_files);

        goto exit_mf;
    }

    char *fname = talloc_size(mf, strlen(filename) + 32);

    if (!strchr(filename, '%')) {
        strcpy(fname, filename);
        if (!strchr(filename, '*'))
            strcat(fname, "*");

        mp_info(log, "search expr: %s\n", fname);

        glob_t gg;
        if (glob(fname, 0, NULL, &gg)) {
            talloc_free(mf);
            return NULL;
        }

        for (int i = 0; i < gg.gl_pathc; i++) {
            if (mp_path_isdir(gg.gl_pathv[i]))
                continue;
            mf_add(mf, gg.gl_pathv[i]);
        }
        mp_info(log, "number of files: %d\n", mf->nr_of_files);
        globfree(&gg);
        goto exit_mf;
    }

    mp_info(log, "search expr: %s\n", filename);

    while (error_count < 5) {
        sprintf(fname, filename, count++);
        if (!mp_path_exists(fname)) {
            error_count++;
            mp_verbose(log, "file not found: '%s'\n", fname);
        } else {
            mf_add(mf, fname);
        }
    }

    mp_info(log, "number of files: %d\n", mf->nr_of_files);

exit_mf:
    return mf;
}