예제 #1
0
static int ffserver_parse_config_stream(FFServerConfig *config, const char *cmd,
                                        const char **p,
                                        FFServerStream **pstream)
{
    char arg[1024], arg2[1024];
    FFServerStream *stream;
    int val;

    av_assert0(pstream);
    stream = *pstream;

    if (!av_strcasecmp(cmd, "<Stream")) {
        char *q;
        FFServerStream *s;
        stream = av_mallocz(sizeof(FFServerStream));
        if (!stream)
            return AVERROR(ENOMEM);
        config->dummy_actx = avcodec_alloc_context3(NULL);
        config->dummy_vctx = avcodec_alloc_context3(NULL);
        if (!config->dummy_vctx || !config->dummy_actx) {
            av_free(stream);
            avcodec_free_context(&config->dummy_vctx);
            avcodec_free_context(&config->dummy_actx);
            return AVERROR(ENOMEM);
        }
        config->dummy_actx->codec_type = AVMEDIA_TYPE_AUDIO;
        config->dummy_vctx->codec_type = AVMEDIA_TYPE_VIDEO;
        ffserver_get_arg(stream->filename, sizeof(stream->filename), p);
        q = strrchr(stream->filename, '>');
        if (q)
            *q = '\0';

        for (s = config->first_stream; s; s = s->next) {
            if (!strcmp(stream->filename, s->filename))
                ERROR("Stream '%s' already registered\n", s->filename);
        }

        stream->fmt = ffserver_guess_format(NULL, stream->filename, NULL);
        if (stream->fmt) {
            config->guessed_audio_codec_id = stream->fmt->audio_codec;
            config->guessed_video_codec_id = stream->fmt->video_codec;
        } else {
            config->guessed_audio_codec_id = AV_CODEC_ID_NONE;
            config->guessed_video_codec_id = AV_CODEC_ID_NONE;
        }
        config->stream_use_defaults = config->use_defaults;
        *pstream = stream;
        return 0;
    }
    av_assert0(stream);
    if (!av_strcasecmp(cmd, "Feed")) {
        FFServerStream *sfeed;
        ffserver_get_arg(arg, sizeof(arg), p);
        sfeed = config->first_feed;
        while (sfeed) {
            if (!strcmp(sfeed->filename, arg))
                break;
            sfeed = sfeed->next_feed;
        }
        if (!sfeed)
            ERROR("Feed with name '%s' for stream '%s' is not defined\n", arg,
                  stream->filename);
        else
            stream->feed = sfeed;
    } else if (!av_strcasecmp(cmd, "Format")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        if (!strcmp(arg, "status")) {
            stream->stream_type = STREAM_TYPE_STATUS;
            stream->fmt = NULL;
        } else {
            stream->stream_type = STREAM_TYPE_LIVE;
            /* JPEG cannot be used here, so use single frame MJPEG */
            if (!strcmp(arg, "jpeg")) {
                strcpy(arg, "singlejpeg");
                stream->single_frame=1;
            }
            stream->fmt = ffserver_guess_format(arg, NULL, NULL);
            if (!stream->fmt)
                ERROR("Unknown Format: '%s'\n", arg);
        }
        if (stream->fmt) {
            config->guessed_audio_codec_id = stream->fmt->audio_codec;
            config->guessed_video_codec_id = stream->fmt->video_codec;
        }
    } else if (!av_strcasecmp(cmd, "InputFormat")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        stream->ifmt = av_find_input_format(arg);
        if (!stream->ifmt)
            ERROR("Unknown input format: '%s'\n", arg);
    } else if (!av_strcasecmp(cmd, "FaviconURL")) {
        if (stream->stream_type == STREAM_TYPE_STATUS)
            ffserver_get_arg(stream->feed_filename,
                             sizeof(stream->feed_filename), p);
        else
            ERROR("FaviconURL only permitted for status streams\n");
    } else if (!av_strcasecmp(cmd, "Author")    ||
               !av_strcasecmp(cmd, "Comment")   ||
               !av_strcasecmp(cmd, "Copyright") ||
               !av_strcasecmp(cmd, "Title")) {
        char key[32];
        int i;
        ffserver_get_arg(arg, sizeof(arg), p);
        for (i = 0; i < strlen(cmd); i++)
            key[i] = av_tolower(cmd[i]);
        key[i] = 0;
        WARNING("Deprecated '%s' option in configuration file. Use "
                "'Metadata %s VALUE' instead.\n", cmd, key);
        if (av_dict_set(&stream->metadata, key, arg, 0) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "Metadata")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_get_arg(arg2, sizeof(arg2), p);
        if (av_dict_set(&stream->metadata, arg, arg2, 0) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "Preroll")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        stream->prebuffer = atof(arg) * 1000;
    } else if (!av_strcasecmp(cmd, "StartSendOnKey")) {
        stream->send_on_key = 1;
    } else if (!av_strcasecmp(cmd, "AudioCodec")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_set_codec(config->dummy_actx, arg, config);
    } else if (!av_strcasecmp(cmd, "VideoCodec")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_set_codec(config->dummy_vctx, arg, config);
    } else if (!av_strcasecmp(cmd, "MaxTime")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        stream->max_time = atof(arg) * 1000;
    } else if (!av_strcasecmp(cmd, "AudioBitRate")) {
        float f;
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_set_float_param(&f, arg, 1000, -FLT_MAX, FLT_MAX, config,
                                 "Invalid %s: '%s'\n", cmd, arg);
        if (ffserver_save_avoption_int("b", (int64_t)lrintf(f),
                                       AV_OPT_FLAG_AUDIO_PARAM, config) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "AudioChannels")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        if (ffserver_save_avoption("ac", arg, AV_OPT_FLAG_AUDIO_PARAM, config) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "AudioSampleRate")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        if (ffserver_save_avoption("ar", arg, AV_OPT_FLAG_AUDIO_PARAM, config) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "VideoBitRateRange")) {
        int minrate, maxrate;
        char *dash;
        ffserver_get_arg(arg, sizeof(arg), p);
        dash = strchr(arg, '-');
        if (dash) {
            *dash = '\0';
            dash++;
            if (ffserver_set_int_param(&minrate, arg,  1000, 0, INT_MAX, config, "Invalid %s: '%s'", cmd, arg) >= 0 &&
                    ffserver_set_int_param(&maxrate, dash, 1000, 0, INT_MAX, config, "Invalid %s: '%s'", cmd, arg) >= 0) {
                if (ffserver_save_avoption_int("minrate", minrate, AV_OPT_FLAG_VIDEO_PARAM, config) < 0 ||
                        ffserver_save_avoption_int("maxrate", maxrate, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
                    goto nomem;
            }
        } else
            ERROR("Incorrect format for VideoBitRateRange. It should be "
                  "<min>-<max>: '%s'.\n", arg);
    } else if (!av_strcasecmp(cmd, "Debug")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        if (ffserver_save_avoption("debug", arg, AV_OPT_FLAG_AUDIO_PARAM, config) < 0 ||
                ffserver_save_avoption("debug", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "Strict")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        if (ffserver_save_avoption("strict", arg, AV_OPT_FLAG_AUDIO_PARAM, config) < 0 ||
                ffserver_save_avoption("strict", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "VideoBufferSize")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_set_int_param(&val, arg, 8*1024, 0, INT_MAX, config,
                               "Invalid %s: '%s'", cmd, arg);
        if (ffserver_save_avoption_int("bufsize", val, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "VideoBitRateTolerance")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_set_int_param(&val, arg, 1000, INT_MIN, INT_MAX, config,
                               "Invalid %s: '%s'", cmd, arg);
        if (ffserver_save_avoption_int("bt", val, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "VideoBitRate")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_set_int_param(&val, arg, 1000, INT_MIN, INT_MAX, config,
                               "Invalid %s: '%s'", cmd, arg);
        if (ffserver_save_avoption_int("b", val, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "VideoSize")) {
        int ret, w, h;
        ffserver_get_arg(arg, sizeof(arg), p);
        ret = av_parse_video_size(&w, &h, arg);
        if (ret < 0)
            ERROR("Invalid video size '%s'\n", arg);
        else {
            if (w % 2 || h % 2)
                WARNING("Image size is not a multiple of 2\n");
            if (ffserver_save_avoption("video_size", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
                goto nomem;
        }
    } else if (!av_strcasecmp(cmd, "VideoFrameRate")) {
        ffserver_get_arg(&arg[2], sizeof(arg) - 2, p);
        arg[0] = '1';
        arg[1] = '/';
        if (ffserver_save_avoption("time_base", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "PixelFormat")) {
        enum AVPixelFormat pix_fmt;
        ffserver_get_arg(arg, sizeof(arg), p);
        pix_fmt = av_get_pix_fmt(arg);
        if (pix_fmt == AV_PIX_FMT_NONE)
            ERROR("Unknown pixel format: '%s'\n", arg);
        else if (ffserver_save_avoption("pixel_format", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "VideoGopSize")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        if (ffserver_save_avoption("g", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "VideoIntraOnly")) {
        if (ffserver_save_avoption("g", "1", AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "VideoHighQuality")) {
        if (ffserver_save_avoption("mbd", "+bits", AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "Video4MotionVector")) {
        if (ffserver_save_avoption("mbd", "+bits",  AV_OPT_FLAG_VIDEO_PARAM, config) < 0 || //FIXME remove
                ffserver_save_avoption("flags", "+mv4", AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "AVOptionVideo") ||
               !av_strcasecmp(cmd, "AVOptionAudio")) {
        int ret;
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_get_arg(arg2, sizeof(arg2), p);
        if (!av_strcasecmp(cmd, "AVOptionVideo"))
            ret = ffserver_save_avoption(arg, arg2, AV_OPT_FLAG_VIDEO_PARAM,
                                         config);
        else
            ret = ffserver_save_avoption(arg, arg2, AV_OPT_FLAG_AUDIO_PARAM,
                                         config);
        if (ret < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "AVPresetVideo") ||
               !av_strcasecmp(cmd, "AVPresetAudio")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        if (!av_strcasecmp(cmd, "AVPresetVideo"))
            ffserver_opt_preset(arg, AV_OPT_FLAG_VIDEO_PARAM, config);
        else
            ffserver_opt_preset(arg, AV_OPT_FLAG_AUDIO_PARAM, config);
    } else if (!av_strcasecmp(cmd, "VideoTag")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        if (strlen(arg) == 4 &&
                ffserver_save_avoption_int("codec_tag",
                                           MKTAG(arg[0], arg[1], arg[2], arg[3]),
                                           AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "BitExact")) {
        if (ffserver_save_avoption("flags", "+bitexact", AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "DctFastint")) {
        if (ffserver_save_avoption("dct", "fastint", AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "IdctSimple")) {
        if (ffserver_save_avoption("idct", "simple", AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "Qscale")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_set_int_param(&val, arg, 0, INT_MIN, INT_MAX, config,
                               "Invalid Qscale: '%s'\n", arg);
        if (ffserver_save_avoption("flags", "+qscale", AV_OPT_FLAG_VIDEO_PARAM, config) < 0 ||
                ffserver_save_avoption_int("global_quality", FF_QP2LAMBDA * val,
                                           AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "VideoQDiff")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        if (ffserver_save_avoption("qdiff", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "VideoQMax")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        if (ffserver_save_avoption("qmax", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "VideoQMin")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        if (ffserver_save_avoption("qmin", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "LumiMask")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        if (ffserver_save_avoption("lumi_mask", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "DarkMask")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        if (ffserver_save_avoption("dark_mask", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "NoVideo")) {
        config->no_video = 1;
    } else if (!av_strcasecmp(cmd, "NoAudio")) {
        config->no_audio = 1;
    } else if (!av_strcasecmp(cmd, "ACL")) {
        ffserver_parse_acl_row(stream, NULL, NULL, *p, config->filename,
                               config->line_num);
    } else if (!av_strcasecmp(cmd, "DynamicACL")) {
        ffserver_get_arg(stream->dynamic_acl, sizeof(stream->dynamic_acl), p);
    } else if (!av_strcasecmp(cmd, "RTSPOption")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        av_freep(&stream->rtsp_option);
        stream->rtsp_option = av_strdup(arg);
    } else if (!av_strcasecmp(cmd, "MulticastAddress")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        if (resolve_host(&stream->multicast_ip, arg))
            ERROR("Invalid host/IP address: '%s'\n", arg);
        stream->is_multicast = 1;
        stream->loop = 1; /* default is looping */
    } else if (!av_strcasecmp(cmd, "MulticastPort")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_set_int_param(&val, arg, 0, 1, 65535, config,
                               "Invalid MulticastPort: '%s'\n", arg);
        stream->multicast_port = val;
    } else if (!av_strcasecmp(cmd, "MulticastTTL")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_set_int_param(&val, arg, 0, INT_MIN, INT_MAX, config,
                               "Invalid MulticastTTL: '%s'\n", arg);
        stream->multicast_ttl = val;
    } else if (!av_strcasecmp(cmd, "NoLoop")) {
        stream->loop = 0;
    } else if (!av_strcasecmp(cmd, "</Stream>")) {
        config->stream_use_defaults &= 1;
        if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm")) {
            if (config->dummy_actx->codec_id == AV_CODEC_ID_NONE)
                config->dummy_actx->codec_id = config->guessed_audio_codec_id;
            if (!config->no_audio &&
                    config->dummy_actx->codec_id != AV_CODEC_ID_NONE) {
                AVCodecContext *audio_enc = avcodec_alloc_context3(avcodec_find_encoder(config->dummy_actx->codec_id));
                add_codec(stream, audio_enc, config);
            }
            if (config->dummy_vctx->codec_id == AV_CODEC_ID_NONE)
                config->dummy_vctx->codec_id = config->guessed_video_codec_id;
            if (!config->no_video &&
                    config->dummy_vctx->codec_id != AV_CODEC_ID_NONE) {
                AVCodecContext *video_enc = avcodec_alloc_context3(avcodec_find_encoder(config->dummy_vctx->codec_id));
                add_codec(stream, video_enc, config);
            }
        }
        av_dict_free(&config->video_opts);
        av_dict_free(&config->audio_opts);
        avcodec_free_context(&config->dummy_vctx);
        avcodec_free_context(&config->dummy_actx);
        *pstream = NULL;
    } else if (!av_strcasecmp(cmd, "File") ||
               !av_strcasecmp(cmd, "ReadOnlyFile")) {
        ffserver_get_arg(stream->feed_filename, sizeof(stream->feed_filename),
                         p);
    } else if (!av_strcasecmp(cmd, "UseDefaults")) {
        if (config->stream_use_defaults > 1)
            WARNING("Multiple UseDefaults/NoDefaults entries.\n");
        config->stream_use_defaults = 3;
    } else if (!av_strcasecmp(cmd, "NoDefaults")) {
        if (config->stream_use_defaults > 1)
            WARNING("Multiple UseDefaults/NoDefaults entries.\n");
        config->stream_use_defaults = 2;
    } else {
        ERROR("Invalid entry '%s' inside <Stream></Stream>\n", cmd);
    }
    return 0;
nomem:
    av_log(NULL, AV_LOG_ERROR, "Out of memory. Aborting.\n");
    av_dict_free(&config->video_opts);
    av_dict_free(&config->audio_opts);
    avcodec_free_context(&config->dummy_vctx);
    avcodec_free_context(&config->dummy_actx);
    return AVERROR(ENOMEM);
}
예제 #2
0
static int ffserver_parse_config_stream(FFServerConfig *config, const char *cmd, const char **p,
                                        int line_num, FFServerStream **pstream)
{
    char arg[1024], arg2[1024];
    FFServerStream *stream;
    int val;

    av_assert0(pstream);
    stream = *pstream;

    if (!av_strcasecmp(cmd, "<Stream")) {
        char *q;
        FFServerStream *s;
        stream = av_mallocz(sizeof(FFServerStream));
        if (!stream)
            return AVERROR(ENOMEM);
        config->dummy_ctx = avcodec_alloc_context3(NULL);
        if (!config->dummy_ctx) {
            av_free(stream);
            return AVERROR(ENOMEM);
        }
        ffserver_get_arg(stream->filename, sizeof(stream->filename), p);
        q = strrchr(stream->filename, '>');
        if (q)
            *q = '\0';

        for (s = config->first_stream; s; s = s->next) {
            if (!strcmp(stream->filename, s->filename))
                ERROR("Stream '%s' already registered\n", s->filename);
        }

        stream->fmt = ffserver_guess_format(NULL, stream->filename, NULL);
        if (stream->fmt) {
            config->audio_id = stream->fmt->audio_codec;
            config->video_id = stream->fmt->video_codec;
        } else {
            config->audio_id = AV_CODEC_ID_NONE;
            config->video_id = AV_CODEC_ID_NONE;
        }
        *pstream = stream;
        return 0;
    }
    av_assert0(stream);
    if (!av_strcasecmp(cmd, "Feed")) {
        FFServerStream *sfeed;
        ffserver_get_arg(arg, sizeof(arg), p);
        sfeed = config->first_feed;
        while (sfeed) {
            if (!strcmp(sfeed->filename, arg))
                break;
            sfeed = sfeed->next_feed;
        }
        if (!sfeed)
            ERROR("Feed with name '%s' for stream '%s' is not defined\n", arg,
                    stream->filename);
        else
            stream->feed = sfeed;
    } else if (!av_strcasecmp(cmd, "Format")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        if (!strcmp(arg, "status")) {
            stream->stream_type = STREAM_TYPE_STATUS;
            stream->fmt = NULL;
        } else {
            stream->stream_type = STREAM_TYPE_LIVE;
            /* JPEG cannot be used here, so use single frame MJPEG */
            if (!strcmp(arg, "jpeg"))
                strcpy(arg, "mjpeg");
            stream->fmt = ffserver_guess_format(arg, NULL, NULL);
            if (!stream->fmt)
                ERROR("Unknown Format: %s\n", arg);
        }
        if (stream->fmt) {
            config->audio_id = stream->fmt->audio_codec;
            config->video_id = stream->fmt->video_codec;
        }
    } else if (!av_strcasecmp(cmd, "InputFormat")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        stream->ifmt = av_find_input_format(arg);
        if (!stream->ifmt)
            ERROR("Unknown input format: %s\n", arg);
    } else if (!av_strcasecmp(cmd, "FaviconURL")) {
        if (stream->stream_type == STREAM_TYPE_STATUS)
            ffserver_get_arg(stream->feed_filename,
                    sizeof(stream->feed_filename), p);
        else
            ERROR("FaviconURL only permitted for status streams\n");
    } else if (!av_strcasecmp(cmd, "Author")    ||
               !av_strcasecmp(cmd, "Comment")   ||
               !av_strcasecmp(cmd, "Copyright") ||
               !av_strcasecmp(cmd, "Title")) {
        char key[32];
        int i;
        ffserver_get_arg(arg, sizeof(arg), p);
        for (i = 0; i < strlen(cmd); i++)
            key[i] = av_tolower(cmd[i]);
        key[i] = 0;
        WARNING("'%s' option in configuration file is deprecated, "
                "use 'Metadata %s VALUE' instead\n", cmd, key);
        if (av_dict_set(&stream->metadata, key, arg, 0) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "Metadata")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_get_arg(arg2, sizeof(arg2), p);
        if (av_dict_set(&stream->metadata, arg, arg2, 0) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "Preroll")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        stream->prebuffer = atof(arg) * 1000;
    } else if (!av_strcasecmp(cmd, "StartSendOnKey")) {
        stream->send_on_key = 1;
    } else if (!av_strcasecmp(cmd, "AudioCodec")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        config->audio_id = opt_codec(arg, AVMEDIA_TYPE_AUDIO);
        if (config->audio_id == AV_CODEC_ID_NONE)
            ERROR("Unknown AudioCodec: %s\n", arg);
    } else if (!av_strcasecmp(cmd, "VideoCodec")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        config->video_id = opt_codec(arg, AVMEDIA_TYPE_VIDEO);
        if (config->video_id == AV_CODEC_ID_NONE)
            ERROR("Unknown VideoCodec: %s\n", arg);
    } else if (!av_strcasecmp(cmd, "MaxTime")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        stream->max_time = atof(arg) * 1000;
    } else if (!av_strcasecmp(cmd, "AudioBitRate")) {
        float f;
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_set_float_param(&f, arg, 1000, 0, FLT_MAX, config, line_num,
                "Invalid %s: %s\n", cmd, arg);
        if (av_dict_set_int(&config->audio_conf, cmd, lrintf(f), 0) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "AudioChannels")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_set_int_param(NULL, arg, 0, 1, 8, config, line_num,
                "Invalid %s: %s, valid range is 1-8.", cmd, arg);
        if (av_dict_set(&config->audio_conf, cmd, arg, 0) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "AudioSampleRate")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_set_int_param(NULL, arg, 0, 0, INT_MAX, config, line_num,
                "Invalid %s: %s", cmd, arg);
        if (av_dict_set(&config->audio_conf, cmd, arg, 0) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "VideoBitRateRange")) {
        int minrate, maxrate;
        ffserver_get_arg(arg, sizeof(arg), p);
        if (sscanf(arg, "%d-%d", &minrate, &maxrate) == 2) {
            if (av_dict_set_int(&config->video_conf, "VideoBitRateRangeMin", minrate, 0) < 0 ||
                av_dict_set_int(&config->video_conf, "VideoBitRateRangeMax", maxrate, 0) < 0)
                goto nomem;
        } else
            ERROR("Incorrect format for VideoBitRateRange -- should be "
                    "<min>-<max>: %s\n", arg);
    } else if (!av_strcasecmp(cmd, "Debug")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_set_int_param(NULL, arg, 0, INT_MIN, INT_MAX, config, line_num,
                "Invalid %s: %s", cmd, arg);
        if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "Strict")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_set_int_param(NULL, arg, 0, INT_MIN, INT_MAX, config, line_num,
                "Invalid %s: %s", cmd, arg);
        if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "VideoBufferSize")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_set_int_param(NULL, arg, 8*1024, 0, INT_MAX, config, line_num,
                "Invalid %s: %s", cmd, arg);
        if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "VideoBitRateTolerance")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_set_int_param(NULL, arg, 1000, INT_MIN, INT_MAX, config,
                line_num, "Invalid %s: %s", cmd, arg);
        if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "VideoBitRate")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_set_int_param(NULL, arg, 1000, 0, INT_MAX, config, line_num,
                "Invalid %s: %s", cmd, arg);
        if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
           goto nomem;
    } else if (!av_strcasecmp(cmd, "VideoSize")) {
        int ret, w, h;
        ffserver_get_arg(arg, sizeof(arg), p);
        ret = av_parse_video_size(&w, &h, arg);
        if (ret < 0)
            ERROR("Invalid video size '%s'\n", arg);
        else if ((w % 16) || (h % 16))
            ERROR("Image size must be a multiple of 16\n");
        if (av_dict_set_int(&config->video_conf, "VideoSizeWidth", w, 0) < 0 ||
            av_dict_set_int(&config->video_conf, "VideoSizeHeight", h, 0) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "VideoFrameRate")) {
        AVRational frame_rate;
        ffserver_get_arg(arg, sizeof(arg), p);
        if (av_parse_video_rate(&frame_rate, arg) < 0) {
            ERROR("Incorrect frame rate: %s\n", arg);
        } else {
            if (av_dict_set_int(&config->video_conf, "VideoFrameRateNum", frame_rate.num, 0) < 0 ||
                av_dict_set_int(&config->video_conf, "VideoFrameRateDen", frame_rate.den, 0) < 0)
                goto nomem;
        }
    } else if (!av_strcasecmp(cmd, "PixelFormat")) {
        enum AVPixelFormat pix_fmt;
        ffserver_get_arg(arg, sizeof(arg), p);
        pix_fmt = av_get_pix_fmt(arg);
        if (pix_fmt == AV_PIX_FMT_NONE)
            ERROR("Unknown pixel format: %s\n", arg);
        if (av_dict_set_int(&config->video_conf, cmd, pix_fmt, 0) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "VideoGopSize")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_set_int_param(NULL, arg, 0, INT_MIN, INT_MAX, config, line_num,
                "Invalid %s: %s", cmd, arg);
        if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "VideoIntraOnly")) {
        if (av_dict_set(&config->video_conf, cmd, "1", 0) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "VideoHighQuality")) {
        if (av_dict_set(&config->video_conf, cmd, "", 0) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "Video4MotionVector")) {
        if (av_dict_set(&config->video_conf, cmd, "", 0) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "AVOptionVideo") ||
               !av_strcasecmp(cmd, "AVOptionAudio")) {
        int ret;
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_get_arg(arg2, sizeof(arg2), p);
        if (!av_strcasecmp(cmd, "AVOptionVideo"))
            ret = ffserver_save_avoption(arg, arg2, &config->video_opts, AV_OPT_FLAG_VIDEO_PARAM ,config, line_num);
        else
            ret = ffserver_save_avoption(arg, arg2, &config->audio_opts, AV_OPT_FLAG_AUDIO_PARAM ,config, line_num);
        if (ret < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "AVPresetVideo") ||
               !av_strcasecmp(cmd, "AVPresetAudio")) {
        char **preset = NULL;
        ffserver_get_arg(arg, sizeof(arg), p);
        if (!av_strcasecmp(cmd, "AVPresetVideo")) {
            preset = &config->video_preset;
            ffserver_opt_preset(arg, NULL, 0, NULL, &config->video_id);
        } else {
            preset = &config->audio_preset;
            ffserver_opt_preset(arg, NULL, 0, &config->audio_id, NULL);
        }
        *preset = av_strdup(arg);
        if (!preset)
            return AVERROR(ENOMEM);
    } else if (!av_strcasecmp(cmd, "VideoTag")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        if (strlen(arg) == 4) {
            if (av_dict_set(&config->video_conf, "VideoTag", "arg", 0) < 0)
                goto nomem;
        }
    } else if (!av_strcasecmp(cmd, "BitExact")) {
        if (av_dict_set(&config->video_conf, cmd, "", 0) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "DctFastint")) {
        if (av_dict_set(&config->video_conf, cmd, "", 0) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "IdctSimple")) {
        if (av_dict_set(&config->video_conf, cmd, "", 0) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "Qscale")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "VideoQDiff")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_set_int_param(NULL, arg, 0, 1, 31, config, line_num,
                "%s out of range\n", cmd);
        if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "VideoQMax")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_set_int_param(NULL, arg, 0, 1, 31, config, line_num,
                "%s out of range\n", cmd);
        if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "VideoQMin")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_set_int_param(NULL, arg, 0, 1, 31, config, line_num,
                "%s out of range\n", cmd);
        if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "LumiMask")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_set_float_param(NULL, arg, 0, -FLT_MAX, FLT_MAX, config,
                line_num, "Invalid %s: %s", cmd, arg);
        if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "DarkMask")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_set_float_param(NULL, arg, 0, -FLT_MAX, FLT_MAX, config,
                line_num, "Invalid %s: %s", cmd, arg);
        if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
            goto nomem;
    } else if (!av_strcasecmp(cmd, "NoVideo")) {
        config->video_id = AV_CODEC_ID_NONE;
    } else if (!av_strcasecmp(cmd, "NoAudio")) {
        config->audio_id = AV_CODEC_ID_NONE;
    } else if (!av_strcasecmp(cmd, "ACL")) {
        ffserver_parse_acl_row(stream, NULL, NULL, *p, config->filename,
                line_num);
    } else if (!av_strcasecmp(cmd, "DynamicACL")) {
        ffserver_get_arg(stream->dynamic_acl, sizeof(stream->dynamic_acl), p);
    } else if (!av_strcasecmp(cmd, "RTSPOption")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        av_freep(&stream->rtsp_option);
        stream->rtsp_option = av_strdup(arg);
    } else if (!av_strcasecmp(cmd, "MulticastAddress")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        if (resolve_host(&stream->multicast_ip, arg))
            ERROR("Invalid host/IP address: %s\n", arg);
        stream->is_multicast = 1;
        stream->loop = 1; /* default is looping */
    } else if (!av_strcasecmp(cmd, "MulticastPort")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_set_int_param(&val, arg, 0, 1, 65535, config, line_num,
                "Invalid MulticastPort: %s\n", arg);
        stream->multicast_port = val;
    } else if (!av_strcasecmp(cmd, "MulticastTTL")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_set_int_param(&val, arg, 0, INT_MIN, INT_MAX, config,
                line_num, "Invalid MulticastTTL: %s\n", arg);
        stream->multicast_ttl = val;
    } else if (!av_strcasecmp(cmd, "NoLoop")) {
        stream->loop = 0;
    } else if (!av_strcasecmp(cmd, "</Stream>")) {
        if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm")) {
            if (config->audio_id != AV_CODEC_ID_NONE) {
                AVCodecContext *audio_enc = avcodec_alloc_context3(avcodec_find_encoder(config->audio_id));
                if (config->audio_preset &&
                    ffserver_opt_preset(arg, audio_enc, AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_ENCODING_PARAM,
                                        NULL, NULL) < 0)
                    ERROR("Could not apply preset '%s'\n", arg);
                ffserver_apply_stream_config(audio_enc, config->audio_conf,
                        &config->audio_opts);
                add_codec(stream, audio_enc);
            }
            if (config->video_id != AV_CODEC_ID_NONE) {
                AVCodecContext *video_enc = avcodec_alloc_context3(avcodec_find_encoder(config->video_id));
                if (config->video_preset &&
                    ffserver_opt_preset(arg, video_enc, AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_ENCODING_PARAM,
                                        NULL, NULL) < 0)
                    ERROR("Could not apply preset '%s'\n", arg);
                ffserver_apply_stream_config(video_enc, config->video_conf,
                        &config->video_opts);
                add_codec(stream, video_enc);
            }
        }
        av_dict_free(&config->video_opts);
        av_dict_free(&config->video_conf);
        av_dict_free(&config->audio_opts);
        av_dict_free(&config->audio_conf);
        av_freep(&config->video_preset);
        av_freep(&config->audio_preset);
        avcodec_free_context(&config->dummy_ctx);
        *pstream = NULL;
    } else if (!av_strcasecmp(cmd, "File") || !av_strcasecmp(cmd, "ReadOnlyFile")) {
        ffserver_get_arg(stream->feed_filename, sizeof(stream->feed_filename),
                p);
    } else {
        ERROR("Invalid entry '%s' inside <Stream></Stream>\n", cmd);
    }
    return 0;
  nomem:
    av_log(NULL, AV_LOG_ERROR, "Out of memory. Aborting.\n");
    av_dict_free(&config->video_opts);
    av_dict_free(&config->video_conf);
    av_dict_free(&config->audio_opts);
    av_dict_free(&config->audio_conf);
    av_freep(&config->video_preset);
    av_freep(&config->audio_preset);
    avcodec_free_context(&config->dummy_ctx);
    return AVERROR(ENOMEM);
}
예제 #3
0
static int ffserver_parse_config_global(FFServerConfig *config, const char *cmd,
                                        const char **p)
{
    int val;
    char arg[1024];
    if (!av_strcasecmp(cmd, "Port") || !av_strcasecmp(cmd, "HTTPPort")) {
        if (!av_strcasecmp(cmd, "Port"))
            WARNING("Port option is deprecated. Use HTTPPort instead.\n");
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_set_int_param(&val, arg, 0, 1, 65535, config,
                               "Invalid port: %s\n", arg);
        if (val < 1024)
            WARNING("Trying to use IETF assigned system port: '%d'\n", val);
        config->http_addr.sin_port = htons(val);
    } else if (!av_strcasecmp(cmd, "HTTPBindAddress") ||
               !av_strcasecmp(cmd, "BindAddress")) {
        if (!av_strcasecmp(cmd, "BindAddress"))
            WARNING("BindAddress option is deprecated. Use HTTPBindAddress "
                    "instead.\n");
        ffserver_get_arg(arg, sizeof(arg), p);
        if (resolve_host(&config->http_addr.sin_addr, arg))
            ERROR("Invalid host/IP address: '%s'\n", arg);
    } else if (!av_strcasecmp(cmd, "NoDaemon")) {
        WARNING("NoDaemon option has no effect. You should remove it.\n");
    } else if (!av_strcasecmp(cmd, "RTSPPort")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_set_int_param(&val, arg, 0, 1, 65535, config,
                               "Invalid port: %s\n", arg);
        config->rtsp_addr.sin_port = htons(val);
    } else if (!av_strcasecmp(cmd, "RTSPBindAddress")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        if (resolve_host(&config->rtsp_addr.sin_addr, arg))
            ERROR("Invalid host/IP address: %s\n", arg);
    } else if (!av_strcasecmp(cmd, "MaxHTTPConnections")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_set_int_param(&val, arg, 0, 1, 65535, config,
                               "Invalid MaxHTTPConnections: %s\n", arg);
        config->nb_max_http_connections = val;
        if (config->nb_max_connections > config->nb_max_http_connections) {
            ERROR("Inconsistent configuration: MaxClients(%d) > "
                  "MaxHTTPConnections(%d)\n", config->nb_max_connections,
                  config->nb_max_http_connections);
        }
    } else if (!av_strcasecmp(cmd, "MaxClients")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_set_int_param(&val, arg, 0, 1, 65535, config,
                               "Invalid MaxClients: '%s'\n", arg);
        config->nb_max_connections = val;
        if (config->nb_max_connections > config->nb_max_http_connections) {
            ERROR("Inconsistent configuration: MaxClients(%d) > "
                  "MaxHTTPConnections(%d)\n", config->nb_max_connections,
                  config->nb_max_http_connections);
        }
    } else if (!av_strcasecmp(cmd, "MaxBandwidth")) {
        int64_t llval;
        char *tailp;
        ffserver_get_arg(arg, sizeof(arg), p);
        errno = 0;
        llval = strtoll(arg, &tailp, 10);
        if (llval < 10 || llval > 10000000 || tailp[0] || errno)
            ERROR("Invalid MaxBandwidth: '%s'\n", arg);
        else
            config->max_bandwidth = llval;
    } else if (!av_strcasecmp(cmd, "CustomLog")) {
        if (!config->debug) {
            ffserver_get_arg(config->logfilename, sizeof(config->logfilename),
                             p);
        }
    } else if (!av_strcasecmp(cmd, "LoadModule")) {
        ERROR("Loadable modules are no longer supported\n");
    } else if (!av_strcasecmp(cmd, "NoDefaults")) {
        config->use_defaults = 0;
    } else if (!av_strcasecmp(cmd, "UseDefaults")) {
        config->use_defaults = 1;
    } else
        ERROR("Incorrect keyword: '%s'\n", cmd);
    return 0;
}
예제 #4
0
static void ffserver_apply_stream_config(AVCodecContext *enc, const AVDictionary *conf, AVDictionary **opts)
{
    AVDictionaryEntry *e;

    /* Return values from ffserver_set_*_param are ignored.
       Values are initially parsed and checked before inserting to
       AVDictionary. */

    //video params
    if ((e = av_dict_get(conf, "VideoBitRateRangeMin", NULL, 0)))
        ffserver_set_int_param(&enc->rc_min_rate, e->value, 1000, INT_MIN,
                INT_MAX, NULL, 0, NULL);
    if ((e = av_dict_get(conf, "VideoBitRateRangeMax", NULL, 0)))
        ffserver_set_int_param(&enc->rc_max_rate, e->value, 1000, INT_MIN,
                INT_MAX, NULL, 0, NULL);
    if ((e = av_dict_get(conf, "Debug", NULL, 0)))
        ffserver_set_int_param(&enc->debug, e->value, 0, INT_MIN, INT_MAX,
                NULL, 0, NULL);
    if ((e = av_dict_get(conf, "Strict", NULL, 0)))
        ffserver_set_int_param(&enc->strict_std_compliance, e->value, 0,
                INT_MIN, INT_MAX, NULL, 0, NULL);
    if ((e = av_dict_get(conf, "VideoBufferSize", NULL, 0)))
        ffserver_set_int_param(&enc->rc_buffer_size, e->value, 8*1024,
                INT_MIN, INT_MAX, NULL, 0, NULL);
    if ((e = av_dict_get(conf, "VideoBitRateTolerance", NULL, 0)))
        ffserver_set_int_param(&enc->bit_rate_tolerance, e->value, 1000,
                INT_MIN, INT_MAX, NULL, 0, NULL);
    if ((e = av_dict_get(conf, "VideoBitRate", NULL, 0)))
        ffserver_set_int_param(&enc->bit_rate, e->value, 1000, INT_MIN,
                INT_MAX, NULL, 0, NULL);
    if ((e = av_dict_get(conf, "VideoSizeWidth", NULL, 0)))
        ffserver_set_int_param(&enc->width, e->value, 0, INT_MIN, INT_MAX,
                NULL, 0, NULL);
    if ((e = av_dict_get(conf, "VideoSizeHeight", NULL, 0)))
        ffserver_set_int_param(&enc->height, e->value, 0, INT_MIN, INT_MAX,
                NULL, 0, NULL);
    if ((e = av_dict_get(conf, "PixelFormat", NULL, 0))) {
        int val;
        ffserver_set_int_param(&val, e->value, 0, INT_MIN, INT_MAX, NULL, 0,
                NULL);
        enc->pix_fmt = val;
    }
    if ((e = av_dict_get(conf, "VideoGopSize", NULL, 0)))
        ffserver_set_int_param(&enc->gop_size, e->value, 0, INT_MIN, INT_MAX,
                NULL, 0, NULL);
    if ((e = av_dict_get(conf, "VideoFrameRateNum", NULL, 0)))
        ffserver_set_int_param(&enc->time_base.num, e->value, 0, INT_MIN,
                INT_MAX, NULL, 0, NULL);
    if ((e = av_dict_get(conf, "VideoFrameRateDen", NULL, 0)))
        ffserver_set_int_param(&enc->time_base.den, e->value, 0, INT_MIN,
                INT_MAX, NULL, 0, NULL);
    if ((e = av_dict_get(conf, "VideoQDiff", NULL, 0)))
        ffserver_set_int_param(&enc->max_qdiff, e->value, 0, INT_MIN, INT_MAX,
                NULL, 0, NULL);
    if ((e = av_dict_get(conf, "VideoQMax", NULL, 0)))
        ffserver_set_int_param(&enc->qmax, e->value, 0, INT_MIN, INT_MAX, NULL,
                0, NULL);
    if ((e = av_dict_get(conf, "VideoQMin", NULL, 0)))
        ffserver_set_int_param(&enc->qmin, e->value, 0, INT_MIN, INT_MAX, NULL,
                0, NULL);
    if ((e = av_dict_get(conf, "LumiMask", NULL, 0)))
        ffserver_set_float_param(&enc->lumi_masking, e->value, 0, -FLT_MAX,
                FLT_MAX, NULL, 0, NULL);
    if ((e = av_dict_get(conf, "DarkMask", NULL, 0)))
        ffserver_set_float_param(&enc->dark_masking, e->value, 0, -FLT_MAX,
                FLT_MAX, NULL, 0, NULL);
    if (av_dict_get(conf, "BitExact", NULL, 0))
        enc->flags |= CODEC_FLAG_BITEXACT;
    if (av_dict_get(conf, "DctFastint", NULL, 0))
        enc->dct_algo  = FF_DCT_FASTINT;
    if (av_dict_get(conf, "IdctSimple", NULL, 0))
        enc->idct_algo = FF_IDCT_SIMPLE;
    if (av_dict_get(conf, "VideoHighQuality", NULL, 0))
        enc->mb_decision = FF_MB_DECISION_BITS;
    if ((e = av_dict_get(conf, "VideoTag", NULL, 0)))
        enc->codec_tag = MKTAG(e->value[0], e->value[1], e->value[2], e->value[3]);
    if (av_dict_get(conf, "Qscale", NULL, 0)) {
        enc->flags |= CODEC_FLAG_QSCALE;
        ffserver_set_int_param(&enc->global_quality, e->value, FF_QP2LAMBDA,
                INT_MIN, INT_MAX, NULL, 0, NULL);
    }
    if (av_dict_get(conf, "Video4MotionVector", NULL, 0)) {
        enc->mb_decision = FF_MB_DECISION_BITS; //FIXME remove
        enc->flags |= CODEC_FLAG_4MV;
    }
    //audio params
    if ((e = av_dict_get(conf, "AudioChannels", NULL, 0)))
        ffserver_set_int_param(&enc->channels, e->value, 0, INT_MIN, INT_MAX,
                NULL, 0, NULL);
    if ((e = av_dict_get(conf, "AudioSampleRate", NULL, 0)))
        ffserver_set_int_param(&enc->sample_rate, e->value, 0, INT_MIN,
                INT_MAX, NULL, 0, NULL);
    if ((e = av_dict_get(conf, "AudioBitRate", NULL, 0)))
        ffserver_set_int_param(&enc->bit_rate, e->value, 0, INT_MIN, INT_MAX,
                NULL, 0, NULL);

    av_opt_set_dict2(enc, opts, AV_OPT_SEARCH_CHILDREN);
}