예제 #1
0
static int rawvideo_read_header(AVFormatContext *ctx)
{
    RawVideoDemuxerContext *s = ctx->priv_data;
    enum AVPixelFormat pix_fmt;
    AVStream *st;

    st = avformat_new_stream(ctx, NULL);
    if (!st)
        return AVERROR(ENOMEM);

    st->codec->codec_type = AVMEDIA_TYPE_VIDEO;

    st->codec->codec_id = ctx->iformat->raw_codec_id;

    if ((pix_fmt = av_get_pix_fmt(s->pixel_format)) == AV_PIX_FMT_NONE) {
        av_log(ctx, AV_LOG_ERROR, "No such pixel format: %s.\n",
               s->pixel_format);
        return AVERROR(EINVAL);
    }

    if(s->explicit_pts) {
        avpriv_set_pts_info(st, 64, 1, 1000);
        st->time_base = (AVRational){1, 1000};
    } else {
        avpriv_set_pts_info(st, 64, s->framerate.den, s->framerate.num);
    }

    st->codec->width  = s->width;
    st->codec->height = s->height;
    st->codec->pix_fmt = pix_fmt;
    st->codec->bit_rate = av_rescale_q(avpicture_get_size(st->codec->pix_fmt, s->width, s->height),
                                       (AVRational){8,1}, st->time_base);

    return 0;
}
예제 #2
0
static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
{
    BufferSourceContext *c = ctx->priv;
    char pix_fmt_str[128];
    int n = 0;

    if (!args ||
            (n = sscanf(args, "%d:%d:%127[^:]:%d:%d:%d:%d", &c->w, &c->h, pix_fmt_str,
                        &c->time_base.num, &c->time_base.den,
                        &c->pixel_aspect.num, &c->pixel_aspect.den)) != 7)
    {
        av_log(ctx, AV_LOG_ERROR, "Expected 7 arguments, but %d found in '%s'\n", n, args);
        return AVERROR(EINVAL);
    }
    if ((c->pix_fmt = av_get_pix_fmt(pix_fmt_str)) == PIX_FMT_NONE)
    {
        char *tail;
        c->pix_fmt = strtol(pix_fmt_str, &tail, 10);
        if (*tail || c->pix_fmt < 0 || c->pix_fmt >= PIX_FMT_NB)
        {
            av_log(ctx, AV_LOG_ERROR, "Invalid pixel format string '%s'\n", pix_fmt_str);
            return AVERROR(EINVAL);
        }
    }

    av_log(ctx, AV_LOG_INFO, "w:%d h:%d pixfmt:%s\n", c->w, c->h, (av_getav_pix_fmt_descriptors())[c->pix_fmt].name);
    return 0;
}
예제 #3
0
파일: vsrc_buffer.c 프로젝트: AndyA/ffmbc
static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
{
    BufferSourceContext *c = ctx->priv;
    char pix_fmt_str[128];
    int n = 0;

    if (!args ||
        (n = sscanf(args, "%d:%d:%127[^:]:%d:%d:%d:%d", &c->w, &c->h, pix_fmt_str,
                    &c->time_base.num, &c->time_base.den,
                    &c->sample_aspect_ratio.num, &c->sample_aspect_ratio.den)) != 7) {
        av_log(ctx, AV_LOG_ERROR, "Expected 7 arguments, but only %d found in '%s'\n", n, args);
        return AVERROR(EINVAL);
    }

    if (!c->sample_aspect_ratio.num || !c->sample_aspect_ratio.den) {
        av_log(ctx, AV_LOG_ERROR, "sample aspect ratio cannot be 0\n");
        return -1;
    }

    if ((c->pix_fmt = av_get_pix_fmt(pix_fmt_str)) == PIX_FMT_NONE) {
        char *tail;
        c->pix_fmt = strtol(pix_fmt_str, &tail, 10);
        if (*tail || c->pix_fmt < 0 || c->pix_fmt >= PIX_FMT_NB) {
            av_log(ctx, AV_LOG_ERROR, "Invalid pixel format string '%s'\n", pix_fmt_str);
            return AVERROR(EINVAL);
        }
    }

    return 0;
}
예제 #4
0
파일: vf_format.c 프로젝트: AWilco/xbmc
static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
{
    FormatContext *format = ctx->priv;
    const char *cur, *sep;
    char             pix_fmt_name[PIX_FMT_NAME_MAXSIZE];
    int              pix_fmt_name_len;
    enum PixelFormat pix_fmt;

    /* parse the list of formats */
    for (cur = args; cur; cur = sep ? sep+1 : NULL) {
        if (!(sep = strchr(cur, ':')))
            pix_fmt_name_len = strlen(cur);
        else
            pix_fmt_name_len = sep - cur;
        if (pix_fmt_name_len >= PIX_FMT_NAME_MAXSIZE) {
            av_log(ctx, AV_LOG_ERROR, "Format name too long\n");
            return -1;
        }

        memcpy(pix_fmt_name, cur, pix_fmt_name_len);
        pix_fmt_name[pix_fmt_name_len] = 0;
        pix_fmt = av_get_pix_fmt(pix_fmt_name);

        if (pix_fmt == PIX_FMT_NONE) {
            av_log(ctx, AV_LOG_ERROR, "Unknown pixel format: %s\n", pix_fmt_name);
            return -1;
        }

        format->listed_pix_fmt_flags[pix_fmt] = 1;
    }

    return 0;
}
예제 #5
0
VideoFrameDesc::VideoFrameDesc( const size_t width, const size_t height, const std::string& pixelFormat )
	: _width( width )
	, _height( height )
	, _pixelFormat( av_get_pix_fmt( pixelFormat.c_str() ) )
	, _fps( 1.0 )
{
}
예제 #6
0
파일: buffersrc.c 프로젝트: vriera/libav
static av_cold int init_video(AVFilterContext *ctx)
{
    BufferSourceContext *c = ctx->priv;

    if (!c->pix_fmt_str || !c->w || !c->h || av_q2d(c->time_base) <= 0) {
        av_log(ctx, AV_LOG_ERROR, "Invalid parameters provided.\n");
        return AVERROR(EINVAL);
    }

    if ((c->pix_fmt = av_get_pix_fmt(c->pix_fmt_str)) == AV_PIX_FMT_NONE) {
        char *tail;
        c->pix_fmt = strtol(c->pix_fmt_str, &tail, 10);
        if (*tail || c->pix_fmt < 0 || !av_pix_fmt_desc_get(c->pix_fmt)) {
            av_log(ctx, AV_LOG_ERROR, "Invalid pixel format string '%s'\n", c->pix_fmt_str);
            return AVERROR(EINVAL);
        }
    }

    if (!(c->fifo = av_fifo_alloc(sizeof(AVFrame*))))
        return AVERROR(ENOMEM);

    av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d pixfmt:%s tb:%d/%d sar:%d/%d\n",
           c->w, c->h, av_get_pix_fmt_name(c->pix_fmt),
           c->time_base.num, c->time_base.den,
           c->pixel_aspect.num, c->pixel_aspect.den);
    return 0;
}
예제 #7
0
static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
{
    BufferSourceContext *c = ctx->priv;
    char pix_fmt_str[128];
    int n = 0;
    *c->sws_param = 0;

    if (!args ||
        (n = sscanf(args, "%d:%d:%127[^:]:%d:%d:%d:%d:%255c", &c->w, &c->h, pix_fmt_str,
                    &c->time_base.num, &c->time_base.den,
                    &c->sample_aspect_ratio.num, &c->sample_aspect_ratio.den, c->sws_param)) < 7) {
        av_log(ctx, AV_LOG_ERROR, "Expected at least 7 arguments, but only %d found in '%s'\n", n, args);
        return AVERROR(EINVAL);
    }

    if ((c->pix_fmt = av_get_pix_fmt(pix_fmt_str)) == PIX_FMT_NONE) {
        char *tail;
        c->pix_fmt = strtol(pix_fmt_str, &tail, 10);
        if (*tail || c->pix_fmt < 0 || c->pix_fmt >= PIX_FMT_NB) {
            av_log(ctx, AV_LOG_ERROR, "Invalid pixel format string '%s'\n", pix_fmt_str);
            return AVERROR(EINVAL);
        }
    }

    av_log(ctx, AV_LOG_INFO, "w:%d h:%d pixfmt:%s tb:%d/%d sar:%d/%d sws_param:%s\n",
           c->w, c->h, av_pix_fmt_descriptors[c->pix_fmt].name,
           c->time_base.num, c->time_base.den,
           c->sample_aspect_ratio.num, c->sample_aspect_ratio.den, c->sws_param);
    return 0;
}
예제 #8
0
파일: formats.c 프로젝트: AronVietti/FFmpeg
int ff_parse_pixel_format(enum AVPixelFormat *ret, const char *arg, void *log_ctx)
{
    char *tail;
    int pix_fmt = av_get_pix_fmt(arg);
    if (pix_fmt == AV_PIX_FMT_NONE) {
        pix_fmt = strtol(arg, &tail, 0);
        if (*tail || (unsigned)pix_fmt >= AV_PIX_FMT_NB) {
            av_log(log_ctx, AV_LOG_ERROR, "Invalid pixel format '%s'\n", arg);
            return AVERROR(EINVAL);
        }
    }
    *ret = pix_fmt;
    return 0;
}
static int qsvscale_init(AVFilterContext *ctx)
{
    QSVScaleContext *s = ctx->priv;

    if (!strcmp(s->format_str, "same")) {
        s->format = AV_PIX_FMT_NONE;
    } else {
        s->format = av_get_pix_fmt(s->format_str);
        if (s->format == AV_PIX_FMT_NONE) {
            av_log(ctx, AV_LOG_ERROR, "Unrecognized pixel format: %s\n", s->format_str);
            return AVERROR(EINVAL);
        }
    }

    return 0;
}
예제 #10
0
static int rawvideo_read_header(AVFormatContext *ctx)
{
    RawVideoDemuxerContext *s = ctx->priv_data;
    int width = 0, height = 0, ret = 0;
    enum AVPixelFormat pix_fmt;
    AVRational framerate;
    AVStream *st;

    st = avformat_new_stream(ctx, NULL);
    if (!st)
        return AVERROR(ENOMEM);

    st->codec->codec_type = AVMEDIA_TYPE_VIDEO;

    st->codec->codec_id = ctx->iformat->raw_codec_id;

    if (s->video_size &&
        (ret = av_parse_video_size(&width, &height, s->video_size)) < 0) {
        av_log(ctx, AV_LOG_ERROR, "Couldn't parse video size.\n");
        return ret;
    }

    if ((pix_fmt = av_get_pix_fmt(s->pixel_format)) == AV_PIX_FMT_NONE) {
        av_log(ctx, AV_LOG_ERROR, "No such pixel format: %s.\n",
               s->pixel_format);
        return AVERROR(EINVAL);
    }

    if ((ret = av_parse_video_rate(&framerate, s->framerate)) < 0) {
        av_log(ctx, AV_LOG_ERROR, "Could not parse framerate: %s.\n",
               s->framerate);
        return ret;
    }

    avpriv_set_pts_info(st, 64, framerate.den, framerate.num);

    st->codec->width  = width;
    st->codec->height = height;
    st->codec->pix_fmt = pix_fmt;
    st->codec->bit_rate = av_rescale_q(avpicture_get_size(st->codec->pix_fmt, width, height),
                                       (AVRational){8,1}, st->time_base);

    return 0;
}
예제 #11
0
static av_cold int scale_vaapi_init(AVFilterContext *avctx)
{
    ScaleVAAPIContext *ctx = avctx->priv;

    ctx->va_config  = VA_INVALID_ID;
    ctx->va_context = VA_INVALID_ID;
    ctx->valid_ids  = 1;

    if (ctx->output_format_string) {
        ctx->output_format = av_get_pix_fmt(ctx->output_format_string);
        if (ctx->output_format == AV_PIX_FMT_NONE) {
            av_log(ctx, AV_LOG_ERROR, "Invalid output format.\n");
            return AVERROR(EINVAL);
        }
    } else {
        // Use the input format once that is configured.
        ctx->output_format = AV_PIX_FMT_NONE;
    }

    return 0;
}
예제 #12
0
static int img_read_header(AVFormatContext *s1)
{
    VideoDemuxData *s = s1->priv_data;
    int first_index, last_index, ret = 0;
    int width = 0, height = 0;
    AVStream *st;
    enum AVPixelFormat pix_fmt = AV_PIX_FMT_NONE;
    AVRational framerate;

    s1->ctx_flags |= AVFMTCTX_NOHEADER;

    st = avformat_new_stream(s1, NULL);
    if (!st) {
        return AVERROR(ENOMEM);
    }

    if (s->pixel_format &&
        (pix_fmt = av_get_pix_fmt(s->pixel_format)) == AV_PIX_FMT_NONE) {
        av_log(s1, AV_LOG_ERROR, "No such pixel format: %s.\n",
               s->pixel_format);
        return AVERROR(EINVAL);
    }
    if (s->video_size &&
        (ret = av_parse_video_size(&width, &height, s->video_size)) < 0) {
        av_log(s, AV_LOG_ERROR,
               "Could not parse video size: %s.\n", s->video_size);
        return ret;
    }
    if ((ret = av_parse_video_rate(&framerate, s->framerate)) < 0) {
        av_log(s, AV_LOG_ERROR,
               "Could not parse framerate: %s.\n", s->framerate);
        return ret;
    }

    av_strlcpy(s->path, s1->filename, sizeof(s->path));
    s->img_number = 0;
    s->img_count  = 0;

    /* find format */
    if (s1->iformat->flags & AVFMT_NOFILE)
        s->is_pipe = 0;
    else {
        s->is_pipe       = 1;
        st->need_parsing = AVSTREAM_PARSE_FULL;
    }

    avpriv_set_pts_info(st, 60, framerate.den, framerate.num);

    if (width && height) {
        st->codec->width  = width;
        st->codec->height = height;
    }

    if (!s->is_pipe) {
        if (find_image_range(&first_index, &last_index, s->path,
                             FFMAX(s->start_number, 5)) < 0)
            return AVERROR(ENOENT);
        s->img_first  = first_index;
        s->img_last   = last_index;
        s->img_number = s->start_number != 1 ? s->start_number : first_index;
        /* compute duration */
        st->start_time = 0;
        st->duration   = last_index - first_index + 1;
    }

    if (s1->video_codec_id) {
        st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
        st->codec->codec_id   = s1->video_codec_id;
    } else if (s1->audio_codec_id) {
        st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
        st->codec->codec_id   = s1->audio_codec_id;
    } else {
        st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
        st->codec->codec_id   = ff_guess_image2_codec(s->path);
    }
    if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
        pix_fmt != AV_PIX_FMT_NONE)
        st->codec->pix_fmt = pix_fmt;

    return 0;
}
예제 #13
0
파일: rawdec.c 프로젝트: superdump/libav
/* raw input */
int ff_raw_read_header(AVFormatContext *s, AVFormatParameters *ap)
{
    AVStream *st;
    enum CodecID id;

    st = av_new_stream(s, 0);
    if (!st)
        return AVERROR(ENOMEM);

        id = s->iformat->value;
        if (id == CODEC_ID_RAWVIDEO) {
            st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
        } else {
            st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
        }
        st->codec->codec_id = id;

        switch(st->codec->codec_type) {
        case AVMEDIA_TYPE_AUDIO: {
            RawAudioDemuxerContext *s1 = s->priv_data;

#if FF_API_FORMAT_PARAMETERS
            if (ap->sample_rate)
                st->codec->sample_rate = ap->sample_rate;
            if (ap->channels)
                st->codec->channels    = ap->channels;
            else st->codec->channels   = 1;
#endif

            if (s1->sample_rate)
                st->codec->sample_rate = s1->sample_rate;
            if (s1->channels)
                st->codec->channels    = s1->channels;

            st->codec->bits_per_coded_sample = av_get_bits_per_sample(st->codec->codec_id);
            assert(st->codec->bits_per_coded_sample > 0);
            st->codec->block_align = st->codec->bits_per_coded_sample*st->codec->channels/8;
            av_set_pts_info(st, 64, 1, st->codec->sample_rate);
            break;
            }
        case AVMEDIA_TYPE_VIDEO: {
            FFRawVideoDemuxerContext *s1 = s->priv_data;
            int width = 0, height = 0, ret = 0;
            enum PixelFormat pix_fmt;
            AVRational framerate;

            if (s1->video_size && (ret = av_parse_video_size(&width, &height, s1->video_size)) < 0) {
                av_log(s, AV_LOG_ERROR, "Couldn't parse video size.\n");
                goto fail;
            }
            if ((pix_fmt = av_get_pix_fmt(s1->pixel_format)) == PIX_FMT_NONE) {
                av_log(s, AV_LOG_ERROR, "No such pixel format: %s.\n", s1->pixel_format);
                ret = AVERROR(EINVAL);
                goto fail;
            }
            if ((ret = av_parse_video_rate(&framerate, s1->framerate)) < 0) {
                av_log(s, AV_LOG_ERROR, "Could not parse framerate: %s.\n", s1->framerate);
                goto fail;
            }
#if FF_API_FORMAT_PARAMETERS
            if (ap->width > 0)
                width = ap->width;
            if (ap->height > 0)
                height = ap->height;
            if (ap->pix_fmt)
                pix_fmt = ap->pix_fmt;
            if (ap->time_base.num)
                framerate = (AVRational){ap->time_base.den, ap->time_base.num};
#endif
            av_set_pts_info(st, 64, framerate.den, framerate.num);
            st->codec->width  = width;
            st->codec->height = height;
            st->codec->pix_fmt = pix_fmt;
fail:
            av_freep(&s1->video_size);
            av_freep(&s1->pixel_format);
            av_freep(&s1->framerate);
            return ret;
            }
        default:
            return -1;
        }
    return 0;
}
예제 #14
0
void VideoFrameDesc::setPixelFormat( const std::string& pixelFormat )
{
	_pixelFormat = av_get_pix_fmt( pixelFormat.c_str() );
}
예제 #15
0
파일: ffms.cpp 프로젝트: 1974kpkpkp/ffms2
FFMS_API(int) FFMS_GetPixFmt(const char *Name) {
	return av_get_pix_fmt(Name);
}
예제 #16
0
static int scale_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
{
    AVFilterContext *avctx = inlink->dst;
    AVFilterLink *outlink = avctx->outputs[0];
    ScaleVAAPIContext *ctx = avctx->priv;
    AVFrame *output_frame = NULL;
    VASurfaceID input_surface, output_surface;
    VAProcPipelineParameterBuffer params;
    VABufferID params_id;
    VARectangle input_region;
    VAStatus vas;
    int err;

    av_log(ctx, AV_LOG_DEBUG, "Filter input: %s, %ux%u (%"PRId64").\n",
           av_get_pix_fmt_name(input_frame->format),
           input_frame->width, input_frame->height, input_frame->pts);

    if (ctx->va_context == VA_INVALID_ID)
        return AVERROR(EINVAL);

    input_surface = (VASurfaceID)(uintptr_t)input_frame->data[3];
    av_log(ctx, AV_LOG_DEBUG, "Using surface %#x for scale input.\n",
           input_surface);

    output_frame = av_frame_alloc();
    if (!output_frame) {
        av_log(ctx, AV_LOG_ERROR, "Failed to allocate output frame.");
        err = AVERROR(ENOMEM);
        goto fail;
    }

    err = av_hwframe_get_buffer(ctx->output_frames_ref, output_frame, 0);
    if (err < 0) {
        av_log(ctx, AV_LOG_ERROR, "Failed to get surface for "
               "output: %d\n.", err);
    }

    output_surface = (VASurfaceID)(uintptr_t)output_frame->data[3];
    av_log(ctx, AV_LOG_DEBUG, "Using surface %#x for scale output.\n",
           output_surface);

    memset(&params, 0, sizeof(params));

    // If there were top/left cropping, it could be taken into
    // account here.
    input_region = (VARectangle) {
        .x      = 0,
        .y      = 0,
        .width  = input_frame->width,
        .height = input_frame->height,
    };

    params.surface = input_surface;
    params.surface_region = &input_region;
    params.surface_color_standard =
        vaapi_proc_colour_standard(input_frame->colorspace);

    params.output_region = 0;
    params.output_background_color = 0xff000000;
    params.output_color_standard = params.surface_color_standard;

    params.pipeline_flags = 0;
    params.filter_flags = VA_FILTER_SCALING_HQ;

    vas = vaBeginPicture(ctx->hwctx->display,
                         ctx->va_context, output_surface);
    if (vas != VA_STATUS_SUCCESS) {
        av_log(ctx, AV_LOG_ERROR, "Failed to attach new picture: "
               "%d (%s).\n", vas, vaErrorStr(vas));
        err = AVERROR(EIO);
        goto fail;
    }

    vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
                         VAProcPipelineParameterBufferType,
                         sizeof(params), 1, &params, &params_id);
    if (vas != VA_STATUS_SUCCESS) {
        av_log(ctx, AV_LOG_ERROR, "Failed to create parameter buffer: "
               "%d (%s).\n", vas, vaErrorStr(vas));
        err = AVERROR(EIO);
        goto fail_after_begin;
    }
    av_log(ctx, AV_LOG_DEBUG, "Pipeline parameter buffer is %#x.\n",
           params_id);

    vas = vaRenderPicture(ctx->hwctx->display, ctx->va_context,
                          &params_id, 1);
    if (vas != VA_STATUS_SUCCESS) {
        av_log(ctx, AV_LOG_ERROR, "Failed to render parameter buffer: "
               "%d (%s).\n", vas, vaErrorStr(vas));
        err = AVERROR(EIO);
        goto fail_after_begin;
    }

    vas = vaEndPicture(ctx->hwctx->display, ctx->va_context);
    if (vas != VA_STATUS_SUCCESS) {
        av_log(ctx, AV_LOG_ERROR, "Failed to start picture processing: "
               "%d (%s).\n", vas, vaErrorStr(vas));
        err = AVERROR(EIO);
        goto fail_after_render;
    }

    if (ctx->hwctx->driver_quirks &
        AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS) {
        vas = vaDestroyBuffer(ctx->hwctx->display, params_id);
        if (vas != VA_STATUS_SUCCESS) {
            av_log(ctx, AV_LOG_ERROR, "Failed to free parameter buffer: "
                   "%d (%s).\n", vas, vaErrorStr(vas));
            // And ignore.
        }
    }

    av_frame_copy_props(output_frame, input_frame);
    av_frame_free(&input_frame);

    av_log(ctx, AV_LOG_DEBUG, "Filter output: %s, %ux%u (%"PRId64").\n",
           av_get_pix_fmt_name(output_frame->format),
           output_frame->width, output_frame->height, output_frame->pts);

    return ff_filter_frame(outlink, output_frame);

    // We want to make sure that if vaBeginPicture has been called, we also
    // call vaRenderPicture and vaEndPicture.  These calls may well fail or
    // do something else nasty, but once we're in this failure case there
    // isn't much else we can do.
fail_after_begin:
    vaRenderPicture(ctx->hwctx->display, ctx->va_context, &params_id, 1);
fail_after_render:
    vaEndPicture(ctx->hwctx->display, ctx->va_context);
fail:
    av_frame_free(&input_frame);
    av_frame_free(&output_frame);
    return err;
}

static av_cold int scale_vaapi_init(AVFilterContext *avctx)
{
    ScaleVAAPIContext *ctx = avctx->priv;

    ctx->va_config  = VA_INVALID_ID;
    ctx->va_context = VA_INVALID_ID;
    ctx->valid_ids  = 1;

    if (ctx->output_format_string) {
        ctx->output_format = av_get_pix_fmt(ctx->output_format_string);
        if (ctx->output_format == AV_PIX_FMT_NONE) {
            av_log(ctx, AV_LOG_ERROR, "Invalid output format.\n");
            return AVERROR(EINVAL);
        }
    } else {
        // Use the input format once that is configured.
        ctx->output_format = AV_PIX_FMT_NONE;
    }

    return 0;
}
예제 #17
0
PixelProperties::PixelProperties( const std::string& avPixelFormat )
	: _pixelFormat( AV_PIX_FMT_NONE )
	,_pixelDesc( NULL )
{
	init( av_get_pix_fmt( avPixelFormat.c_str() ) );
}
예제 #18
0
파일: fourcc2pixfmt.c 프로젝트: 1c0n/xbmc
int main(int argc, char **argv)
{
    int i, list_fourcc_pix_fmt = 0, list_pix_fmt_fourccs = 0;
    const char *pix_fmt_name = NULL;
    char c;

    if (argc == 1) {
        usage();
        return 0;
    }

    while ((c = getopt(argc, argv, "hp:lL")) != -1) {
        switch (c) {
        case 'h':
            usage();
            return 0;
        case 'l':
            list_fourcc_pix_fmt = 1;
            break;
        case 'L':
            list_pix_fmt_fourccs = 1;
            break;
        case 'p':
            pix_fmt_name = optarg;
            break;
        case '?':
            usage();
            return 1;
        }
    }

    if (list_fourcc_pix_fmt) {
        for (i = 0; ff_raw_pix_fmt_tags[i].pix_fmt != AV_PIX_FMT_NONE; i++) {
            char buf[32];
            av_get_codec_tag_string(buf, sizeof(buf), ff_raw_pix_fmt_tags[i].fourcc);
            printf("%s: %s\n", buf, av_get_pix_fmt_name(ff_raw_pix_fmt_tags[i].pix_fmt));
        }
    }

    if (list_pix_fmt_fourccs) {
        for (i = 0; i < AV_PIX_FMT_NB; i++) {
            const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(i);
            if (!pix_desc->name || pix_desc->flags & PIX_FMT_HWACCEL)
                continue;
            printf("%s: ", pix_desc->name);
            print_pix_fmt_fourccs(i, ' ');
            printf("\n");
        }
    }

    if (pix_fmt_name) {
        enum AVPixelFormat pix_fmt = av_get_pix_fmt(pix_fmt_name);
        if (pix_fmt == AV_PIX_FMT_NONE) {
            fprintf(stderr, "Invalid pixel format selected '%s'\n", pix_fmt_name);
            return 1;
        }
        print_pix_fmt_fourccs(pix_fmt, '\n');
    }

    return 0;
}
예제 #19
0
파일: rawdec.c 프로젝트: JSinglan/libav
/* raw input */
int ff_raw_read_header(AVFormatContext *s)
{
    AVStream *st;
    enum AVCodecID id;

    st = avformat_new_stream(s, NULL);
    if (!st)
        return AVERROR(ENOMEM);

        id = s->iformat->raw_codec_id;
        if (id == AV_CODEC_ID_RAWVIDEO) {
            st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
        } else {
            st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
        }
        st->codec->codec_id = id;

        switch(st->codec->codec_type) {
        case AVMEDIA_TYPE_AUDIO: {
            RawAudioDemuxerContext *s1 = s->priv_data;

            st->codec->channels = 1;

            if (id == AV_CODEC_ID_ADPCM_G722)
                st->codec->sample_rate = 16000;

            if (s1 && s1->sample_rate)
                st->codec->sample_rate = s1->sample_rate;
            if (s1 && s1->channels)
                st->codec->channels    = s1->channels;

            st->codec->bits_per_coded_sample = av_get_bits_per_sample(st->codec->codec_id);
            assert(st->codec->bits_per_coded_sample > 0);
            st->codec->block_align = st->codec->bits_per_coded_sample*st->codec->channels/8;
            avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
            break;
            }
        case AVMEDIA_TYPE_VIDEO: {
            FFRawVideoDemuxerContext *s1 = s->priv_data;
            int width = 0, height = 0, ret = 0;
            enum AVPixelFormat pix_fmt;
            AVRational framerate;

            if (s1->video_size && (ret = av_parse_video_size(&width, &height, s1->video_size)) < 0) {
                av_log(s, AV_LOG_ERROR, "Couldn't parse video size.\n");
                goto fail;
            }
            if ((pix_fmt = av_get_pix_fmt(s1->pixel_format)) == AV_PIX_FMT_NONE) {
                av_log(s, AV_LOG_ERROR, "No such pixel format: %s.\n", s1->pixel_format);
                ret = AVERROR(EINVAL);
                goto fail;
            }
            if ((ret = av_parse_video_rate(&framerate, s1->framerate)) < 0) {
                av_log(s, AV_LOG_ERROR, "Could not parse framerate: %s.\n", s1->framerate);
                goto fail;
            }
            avpriv_set_pts_info(st, 64, framerate.den, framerate.num);
            st->codec->width  = width;
            st->codec->height = height;
            st->codec->pix_fmt = pix_fmt;
fail:
            return ret;
            }
        default:
            return -1;
        }
    return 0;
}
예제 #20
0
파일: yav.c 프로젝트: paumard/yorick-av
void
Y_av_create(int argc)
{
  static long default_params[]=
    {YAV_BIT_RATE, YAV_FRAME_RATE, YAV_GOP_SIZE, YAV_MAX_B_FRAMES};
  long *params=default_params;

  // PARSE ARGUMENTS: SEPARATE KEYWORDS FROM POSITIONAL ARGUMENTS
  static char * knames[] = {
    "vcodec", "pix_fmt", "b", "r", "g", "bf", 0
  };
#define YAC_CREATE_NKW 6
  static long kglobs[YAC_CREATE_NKW+1];
  int kiargs[YAC_CREATE_NKW];
  int piargs[]={-1, -1};

  yarg_kw_init(knames, kglobs, kiargs);
  int iarg=argc-1, parg=0;
  while (iarg>=0) {
    iarg = yarg_kw(iarg, kglobs, kiargs);
    if (iarg>=0) {
      if (parg<2) piargs[parg++]=iarg--;
      else y_error("av_create takes at most 2 positional arguments");
    }
  }

  // INTERPRET POSITIONAL ARGUMENTS
  // filename (mandatory)
  if ((iarg=piargs[0])<0) y_error("FILENAME must be specified");
  char *filename = ygets_q(iarg);

  // params vector (optional)
  if (yav_arg_set(iarg=piargs[1])) {
    long ntot ;
    long dims[Y_DIMSIZE]={0,0};
    params = ygeta_l(iarg, &ntot, dims);
    if (dims[0]!=1 || dims[1]!=4)
      y_error("bad dimensions  for PARAMS vector");
    if (params[0]<0 || params[1]<0 || params[2]<0)
      y_error("bad values in PARAMS vector");
  }

  // INTERPRET KEYWORD ARGUMENTS
  char* vcodec = NULL, *pix_fmt = NULL;
  int k=0;
  if (yav_arg_set(iarg=kiargs[k++])) vcodec  = ygets_q(iarg); // vcodec
  if (yav_arg_set(iarg=kiargs[k++])) pix_fmt = ygets_q(iarg); // pix_fmt
  if (yav_arg_set(iarg=kiargs[k++])) params[0] = ygets_l(iarg); // b
  if (yav_arg_set(iarg=kiargs[k++])) params[1] = ygets_l(iarg); // r
  if (yav_arg_set(iarg=kiargs[k++])) params[2] = ygets_l(iarg); // g
  if (yav_arg_set(iarg=kiargs[k++])) params[3] = ygets_l(iarg); // bf

  // PUSH RETURN VALUE
  yav_ctxt * obj = ypush_av();

  /* allocate the output media context */
  obj->oc = avformat_alloc_context();
  if (!obj->oc) {
    y_error("Memory error");
  }

  /* auto detect the output format from the name. default is
     mpeg. */
  obj->oc->oformat = av_guess_format(NULL, filename, NULL);
  if (!obj->oc->oformat) {
    y_warn("Could not deduce output format from file extension: using MPEG.");
    obj->oc->oformat = av_guess_format("mpeg", NULL, NULL);
  }
  if (!obj->oc->oformat) {
    y_error("Could not find suitable output format.");
  }
  snprintf(obj->oc->filename, sizeof(obj->oc->filename), "%s", filename);

  /* add the audio and video streams using the default format codecs
     and initialize the codecs */
  obj->video_st = NULL;
  //  audio_st = NULL;
  if (obj->oc->oformat->video_codec != AV_CODEC_ID_NONE) {
    AVCodecContext *c;
    obj->video_st = avformat_new_stream(obj->oc, NULL);
    c = obj->video_st->codec;
    if (vcodec) {
      obj->codec = avcodec_find_encoder_by_name(vcodec);
      if (!obj->codec) y_error("can't find requested codec");
      c->codec_id = obj->codec->id;
    } else {
      c->codec_id = obj->oc->oformat->video_codec;
      obj->codec = avcodec_find_encoder(c->codec_id);
      if (!obj->codec) y_error("default codec not found");
    }
    c->codec_type = AVMEDIA_TYPE_VIDEO;

    avcodec_get_context_defaults3(c, obj->codec);
    if (c->codec_id == AV_CODEC_ID_NONE) c->codec_id = obj->codec->id;

    /* put sample parameters */
    c->width   = 0;
    c->height  = 0;
    c->pix_fmt = pix_fmt ? av_get_pix_fmt(pix_fmt) : YAV_PIX_FMT; 
    c->bit_rate      =  params[0]     ? params[0] : YAV_BIT_RATE;
    c->time_base.den =  params[1]     ? params[1] : YAV_FRAME_RATE;
    c->time_base.num =  1;
    c->gop_size      =  params[2]     ? params[2] : YAV_GOP_SIZE;
    c->max_b_frames  = (params[3]>=0) ? params[3] : YAV_MAX_B_FRAMES;
    if(obj->oc->oformat->flags & AVFMT_GLOBALHEADER)
        c->flags |= CODEC_FLAG_GLOBAL_HEADER;

    // codec-specific limitations
    switch (c->codec_id) {
    case AV_CODEC_ID_RAWVIDEO:
    case AV_CODEC_ID_GIF:
      if (!pix_fmt) c->pix_fmt = AV_PIX_FMT_RGB24;
      break;
    case AV_CODEC_ID_MSMPEG4V3:
    case AV_CODEC_ID_H263:
    case AV_CODEC_ID_H263P:
    case AV_CODEC_ID_RV10:
    case AV_CODEC_ID_RV20:
    case AV_CODEC_ID_FLV1:
    case AV_CODEC_ID_ASV1:
    case AV_CODEC_ID_ASV2:
      c->max_b_frames = 0;
      break;
    default:;
    }
  }

  if (!(obj->oc->oformat->flags & AVFMT_RAWPICTURE)) {
    obj->video_outbuf_size = 200000;
    obj->video_outbuf = av_malloc(obj->video_outbuf_size);
  }

}
예제 #21
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;

    av_assert0(pstream);
    stream = *pstream;

    if (!av_strcasecmp(cmd, "<Stream")) {
        char *q;
        FFServerStream *s;
        stream = av_mallocz(sizeof(FFServerStream));
        if (!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);
        avcodec_get_context_defaults3(&config->video_enc, NULL);
        avcodec_get_context_defaults3(&config->audio_enc, NULL);

        config->audio_id = AV_CODEC_ID_NONE;
        config->video_id = AV_CODEC_ID_NONE;
        if (stream->fmt) {
            config->audio_id = stream->fmt->audio_codec;
            config->video_id = stream->fmt->video_codec;
        }
        *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, ret;
        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 ((ret = av_dict_set(&stream->metadata, key, arg, 0)) < 0)
            ERROR("Could not set metadata '%s' to value '%s': %s\n", key, arg, av_err2str(ret));
    } else if (!av_strcasecmp(cmd, "Metadata")) {
        int ret;
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_get_arg(arg2, sizeof(arg2), p);
        if ((ret = av_dict_set(&stream->metadata, arg, arg2, 0)) < 0) {
            ERROR("Could not set metadata '%s' to value '%s': %s\n",
                  arg, arg2, av_err2str(ret));
        }
    } 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")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        config->audio_enc.bit_rate = lrintf(atof(arg) * 1000);
    } else if (!av_strcasecmp(cmd, "AudioChannels")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        config->audio_enc.channels = atoi(arg);
    } else if (!av_strcasecmp(cmd, "AudioSampleRate")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        config->audio_enc.sample_rate = atoi(arg);
    } else if (!av_strcasecmp(cmd, "VideoBitRateRange")) {
        int minrate, maxrate;
        ffserver_get_arg(arg, sizeof(arg), p);
        if (sscanf(arg, "%d-%d", &minrate, &maxrate) == 2) {
            config->video_enc.rc_min_rate = minrate * 1000;
            config->video_enc.rc_max_rate = maxrate * 1000;
        } 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);
        config->video_enc.debug = strtol(arg,0,0);
    } else if (!av_strcasecmp(cmd, "Strict")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        config->video_enc.strict_std_compliance = atoi(arg);
    } else if (!av_strcasecmp(cmd, "VideoBufferSize")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        config->video_enc.rc_buffer_size = atoi(arg) * 8*1024;
    } else if (!av_strcasecmp(cmd, "VideoBitRateTolerance")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        config->video_enc.bit_rate_tolerance = atoi(arg) * 1000;
    } else if (!av_strcasecmp(cmd, "VideoBitRate")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        config->video_enc.bit_rate = atoi(arg) * 1000;
    } else if (!av_strcasecmp(cmd, "VideoSize")) {
        int ret;
        ffserver_get_arg(arg, sizeof(arg), p);
        ret = av_parse_video_size(&config->video_enc.width, &config->video_enc.height, arg);
        if (ret < 0)
            ERROR("Invalid video size '%s'\n", arg);
        else if ((config->video_enc.width % 16) != 0 || (config->video_enc.height % 16) != 0)
            ERROR("Image size must be a multiple of 16\n");
    } 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 {
            config->video_enc.time_base.num = frame_rate.den;
            config->video_enc.time_base.den = frame_rate.num;
        }
    } else if (!av_strcasecmp(cmd, "PixelFormat")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        config->video_enc.pix_fmt = av_get_pix_fmt(arg);
        if (config->video_enc.pix_fmt == AV_PIX_FMT_NONE)
            ERROR("Unknown pixel format: %s\n", arg);
    } else if (!av_strcasecmp(cmd, "VideoGopSize")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        config->video_enc.gop_size = atoi(arg);
    } else if (!av_strcasecmp(cmd, "VideoIntraOnly")) {
        config->video_enc.gop_size = 1;
    } else if (!av_strcasecmp(cmd, "VideoHighQuality")) {
        config->video_enc.mb_decision = FF_MB_DECISION_BITS;
    } else if (!av_strcasecmp(cmd, "Video4MotionVector")) {
        config->video_enc.mb_decision = FF_MB_DECISION_BITS; //FIXME remove
        config->video_enc.flags |= CODEC_FLAG_4MV;
    } else if (!av_strcasecmp(cmd, "AVOptionVideo") ||
               !av_strcasecmp(cmd, "AVOptionAudio")) {
        AVCodecContext *avctx;
        int type;
        ffserver_get_arg(arg, sizeof(arg), p);
        ffserver_get_arg(arg2, sizeof(arg2), p);
        if (!av_strcasecmp(cmd, "AVOptionVideo")) {
            avctx = &config->video_enc;
            type = AV_OPT_FLAG_VIDEO_PARAM;
        } else {
            avctx = &config->audio_enc;
            type = AV_OPT_FLAG_AUDIO_PARAM;
        }
        if (ffserver_opt_default(arg, arg2, avctx, type|AV_OPT_FLAG_ENCODING_PARAM)) {
            ERROR("Error setting %s option to %s %s\n", cmd, arg, arg2);
        }
    } else if (!av_strcasecmp(cmd, "AVPresetVideo") ||
               !av_strcasecmp(cmd, "AVPresetAudio")) {
        AVCodecContext *avctx;
        int type;
        ffserver_get_arg(arg, sizeof(arg), p);
        if (!av_strcasecmp(cmd, "AVPresetVideo")) {
            avctx = &config->video_enc;
            config->video_enc.codec_id = config->video_id;
            type = AV_OPT_FLAG_VIDEO_PARAM;
        } else {
            avctx = &config->audio_enc;
            config->audio_enc.codec_id = config->audio_id;
            type = AV_OPT_FLAG_AUDIO_PARAM;
        }
        if (ffserver_opt_preset(arg, avctx, type|AV_OPT_FLAG_ENCODING_PARAM, &config->audio_id, &config->video_id)) {
            ERROR("AVPreset error: %s\n", arg);
        }
    } else if (!av_strcasecmp(cmd, "VideoTag")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        if (strlen(arg) == 4)
            config->video_enc.codec_tag = MKTAG(arg[0], arg[1], arg[2], arg[3]);
    } else if (!av_strcasecmp(cmd, "BitExact")) {
        config->video_enc.flags |= CODEC_FLAG_BITEXACT;
    } else if (!av_strcasecmp(cmd, "DctFastint")) {
        config->video_enc.dct_algo  = FF_DCT_FASTINT;
    } else if (!av_strcasecmp(cmd, "IdctSimple")) {
        config->video_enc.idct_algo = FF_IDCT_SIMPLE;
    } else if (!av_strcasecmp(cmd, "Qscale")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        config->video_enc.flags |= CODEC_FLAG_QSCALE;
        config->video_enc.global_quality = FF_QP2LAMBDA * atoi(arg);
    } else if (!av_strcasecmp(cmd, "VideoQDiff")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        config->video_enc.max_qdiff = atoi(arg);
        if (config->video_enc.max_qdiff < 1 || config->video_enc.max_qdiff > 31)
            ERROR("VideoQDiff out of range\n");
    } else if (!av_strcasecmp(cmd, "VideoQMax")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        config->video_enc.qmax = atoi(arg);
        if (config->video_enc.qmax < 1 || config->video_enc.qmax > 31)
            ERROR("VideoQMax out of range\n");
    } else if (!av_strcasecmp(cmd, "VideoQMin")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        config->video_enc.qmin = atoi(arg);
        if (config->video_enc.qmin < 1 || config->video_enc.qmin > 31)
            ERROR("VideoQMin out of range\n");
    } else if (!av_strcasecmp(cmd, "LumiMask")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        config->video_enc.lumi_masking = atof(arg);
    } else if (!av_strcasecmp(cmd, "DarkMask")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        config->video_enc.dark_masking = atof(arg);
    } 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) != 0)
            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);
        stream->multicast_port = atoi(arg);
    } else if (!av_strcasecmp(cmd, "MulticastTTL")) {
        ffserver_get_arg(arg, sizeof(arg), p);
        stream->multicast_ttl = atoi(arg);
    } 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") != 0) {
            if (config->audio_id != AV_CODEC_ID_NONE) {
                config->audio_enc.codec_type = AVMEDIA_TYPE_AUDIO;
                config->audio_enc.codec_id = config->audio_id;
                add_codec(stream, &config->audio_enc);
            }
            if (config->video_id != AV_CODEC_ID_NONE) {
                config->video_enc.codec_type = AVMEDIA_TYPE_VIDEO;
                config->video_enc.codec_id = config->video_id;
                add_codec(stream, &config->video_enc);
            }
        }
        *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;
}
예제 #22
0
static bool ffmpeg_init_config(struct ff_config_param *params, const char *config)
{
   params->out_pix_fmt = PIX_FMT_NONE;
   params->scale_factor = 1;
   params->threads = 1;
   params->frame_drop_ratio = 1;

   if (!config)
      return true;

   params->conf = config_file_new(config);
   if (!params->conf)
   {
      RARCH_ERR("Failed to load FFmpeg config \"%s\".\n", config);
      return false;
   }

   config_get_array(params->conf, "vcodec", params->vcodec, sizeof(params->vcodec));
   config_get_array(params->conf, "acodec", params->acodec, sizeof(params->acodec));
   config_get_array(params->conf, "format", params->format, sizeof(params->format));

   config_get_uint(params->conf, "threads", &params->threads);

   if (!config_get_uint(params->conf, "frame_drop_ratio", &params->frame_drop_ratio)
         || !params->frame_drop_ratio)
      params->frame_drop_ratio = 1;

   if (!config_get_bool(params->conf, "audio_enable", &params->audio_enable))
      params->audio_enable = true;

   config_get_uint(params->conf, "sample_rate", &params->sample_rate);
   config_get_uint(params->conf, "scale_factor", &params->scale_factor);

   params->audio_qscale = config_get_int(params->conf, "audio_global_quality", &params->audio_global_quality);
   config_get_int(params->conf, "audio_bit_rate", &params->audio_bit_rate);
   params->video_qscale = config_get_int(params->conf, "video_global_quality", &params->video_global_quality);
   config_get_int(params->conf, "video_bit_rate", &params->video_bit_rate);

   char pix_fmt[64] = {0};
   if (config_get_array(params->conf, "pix_fmt", pix_fmt, sizeof(pix_fmt)))
   {
      params->out_pix_fmt = av_get_pix_fmt(pix_fmt);
      if (params->out_pix_fmt == PIX_FMT_NONE)
      {
         RARCH_ERR("Cannot find pix_fmt \"%s\".\n", pix_fmt);
         return false;
      }
   }

   struct config_file_entry entry;
   if (!config_get_entry_list_head(params->conf, &entry))
      return true;

   do
   {
      if (strstr(entry.key, "video_") == entry.key)
      {
         const char *key = entry.key + strlen("video_");
         av_dict_set(&params->video_opts, key, entry.value, 0);
      }
      else if (strstr(entry.key, "audio_") == entry.key)
      {
         const char *key = entry.key + strlen("audio_");
         av_dict_set(&params->audio_opts, key, entry.value, 0);
      }
   } while (config_get_entry_list_next(&entry));

   return true;
}
예제 #23
0
void VCapsConvertElement::iStream(const QbPacket &packet)
{
    if (!packet.caps().isValid() ||
        packet.caps().mimeType() != "video/x-raw" ||
        this->state() != ElementStatePlaying)
        return;

    if (packet.caps() == this->m_caps)
    {
        emit this->oStream(packet);

        return;
    }

    int iWidth = packet.caps().property("width").toInt();
    int iHeight = packet.caps().property("height").toInt();
    QString format = packet.caps().property("format").toString();

    PixelFormat iFormat = av_get_pix_fmt(format.toStdString().c_str());

    QList<QByteArray> props = this->m_caps.dynamicPropertyNames();

    int oWidth = props.contains("width")?
                     this->m_caps.property("width").toInt():
                     iWidth;

    int oHeight = props.contains("height")?
                      this->m_caps.property("height").toInt():
                      iHeight;

    PixelFormat oFormat;

    if (props.contains("format"))
    {
        QString oFormatString = this->m_caps.property("format").toString();

        oFormat = av_get_pix_fmt(oFormatString.toStdString().c_str());
    }
    else
        oFormat = iFormat;

    SwsContext *scaleContext = sws_getCachedContext(NULL,
                                                    iWidth,
                                                    iHeight,
                                                    iFormat,
                                                    oWidth,
                                                    oHeight,
                                                    oFormat,
                                                    SWS_FAST_BILINEAR,
                                                    NULL,
                                                    NULL,
                                                    NULL);

    if (!scaleContext)
        return;

    int oBufferSize = avpicture_get_size(oFormat,
                                         oWidth,
                                         oHeight);

    QSharedPointer<uchar> oBuffer(new uchar[oBufferSize]);

    AVPicture iPicture;

    avpicture_fill(&iPicture,
                   (uint8_t *) packet.buffer().data(),
                   iFormat,
                   iWidth,
                   iHeight);

    AVPicture oPicture;

    avpicture_fill(&oPicture,
                   (uint8_t *) oBuffer.data(),
                   oFormat,
                   oWidth,
                   oHeight);

    sws_scale(scaleContext,
              (uint8_t **) iPicture.data,
              iPicture.linesize,
              0,
              iHeight,
              oPicture.data,
              oPicture.linesize);

    sws_freeContext(scaleContext);

    QbPacket oPacket(packet.caps().update(this->m_caps),
                     oBuffer,
                     oBufferSize);

    oPacket.setPts(packet.pts());
    oPacket.setDuration(packet.duration());
    oPacket.setTimeBase(packet.timeBase());
    oPacket.setIndex(packet.index());

    emit this->oStream(oPacket);
}
예제 #24
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 #25
0
AkPacket ConvertVideo::convert(const AkPacket &packet)
{
    AkVideoPacket videoPacket(packet);

    // Convert input format.
    QString format = AkVideoCaps::pixelFormatToString(videoPacket.caps().format());
    AVPixelFormat iFormat = av_get_pix_fmt(format.toStdString().c_str());

    // Initialize rescaling context.
    this->m_scaleContext = sws_getCachedContext(this->m_scaleContext,
                                                videoPacket.caps().width(),
                                                videoPacket.caps().height(),
                                                iFormat,
                                                videoPacket.caps().width(),
                                                videoPacket.caps().height(),
                                                AV_PIX_FMT_BGRA,
                                                SWS_FAST_BILINEAR,
                                                NULL,
                                                NULL,
                                                NULL);

    if (!this->m_scaleContext)
        return AkPacket();

    // Create iPicture.
    AVFrame iFrame;
    memset(&iFrame, 0, sizeof(AVFrame));

    if (av_image_fill_arrays((uint8_t **) iFrame.data,
                         iFrame.linesize,
                         (const uint8_t *) videoPacket.buffer().constData(),
                         iFormat,
                         videoPacket.caps().width(),
                         videoPacket.caps().height(),
                         1) < 0)
        return AkPacket();

    // Create oPicture
    int frameSize = av_image_get_buffer_size(AV_PIX_FMT_BGRA,
                                             videoPacket.caps().width(),
                                             videoPacket.caps().height(),
                                             1);

    QByteArray oBuffer(frameSize, Qt::Uninitialized);
    AVFrame oFrame;
    memset(&oFrame, 0, sizeof(AVFrame));

    if (av_image_fill_arrays((uint8_t **) oFrame.data,
                         oFrame.linesize,
                         (const uint8_t *) oBuffer.constData(),
                         AV_PIX_FMT_BGRA,
                         videoPacket.caps().width(),
                         videoPacket.caps().height(),
                         1) < 0)
        return AkPacket();

    // Convert picture format
    sws_scale(this->m_scaleContext,
              iFrame.data,
              iFrame.linesize,
              0,
              videoPacket.caps().height(),
              oFrame.data,
              oFrame.linesize);

    // Create packet
    AkVideoPacket oPacket(packet);
    oPacket.caps().format() = AkVideoCaps::Format_bgra;
    oPacket.buffer() = oBuffer;

    return oPacket.toPacket();
}
예제 #26
0
AVPixelFormat getAVPixelFormat( const std::string& pixelFormat )
{
    return av_get_pix_fmt( pixelFormat.c_str() );
}
예제 #27
0
 inline PixelFormat osg_av_get_pix_fmt(const char *name) { return av_get_pix_fmt(name); }
예제 #28
0
int RealFFMpegCodecEncoder::InitCodec(const char *codecStr,FFMpegCodecEncoderParam *param)
{
	codec = avcodec_find_encoder_by_name(codecStr);
    if (!codec) 
	{
        fprintf(stderr, "codec not found\n");
        return -1;
    }

	c = avcodec_alloc_context();
	c->qmin = param->qmin;
	c->qmax = param->qmax;
	c->bit_rate = param->bitrate;

	/* resolution must be a multiple of two */
	c->width = param->encodeWidth;
    c->height = param->encodeHeight;

	c->max_b_frames = param->max_bframes;
	c->gop_size = param->gop_size;
	c->pix_fmt = codec->pix_fmts[0];
	//c->color_range = AVCOL_RANGE_JPEG;
	c->time_base.den = 24;
	c->time_base.num = 1;

	if (codec->id == CODEC_ID_H264)
	{
		/*
		c->max_qdiff = 4;
		c->me_range = 16;
		c->qcompress = 0.6;
		c->keyint_min = 10;
		c->trellis = 0;
		c->level = 13;
		c->me_threshold = 7;
		c->thread_count = 2;
		c->qblur = 0.5;
		c->profile = 66;	
		*/
		//ultrafast
		c->coder_type = 0;
		c->flags |= CODEC_FLAG_LOOP_FILTER;
		c->flags |= CODEC_FLAG_CLOSED_GOP;
		c->me_cmp = FF_CMP_CHROMA;
		c->me_method = ME_EPZS;
		c->me_subpel_quality = 0;
		c->me_range = 16;
		c->gop_size = 250;
		c->keyint_min = 25;
		c->scenechange_threshold = 40;
		c->i_quant_factor = 0.71;
		c->b_frame_strategy = 1;
		c->qcompress = 0.6;
		c->qmin = 0;
		c->qmax = 69;
		c->max_qdiff = 4;
		c->directpred = 1;
		c->flags2 |= CODEC_FLAG2_FASTPSKIP;
		c->cqp = 0;
		c->thread_count = 4;
		//

	}
    /* open it */
    if (avcodec_open(c, codec) < 0) {
        fprintf(stderr, "could not open codec\n");
        return -2;
    }

	//setup conversion context
	picConv = new RealFFMpegBitmapConverter(
			param->inputWidth,param->inputHeight,av_get_pix_fmt(param->inputPixelType),
			c->width,c->height,c->pix_fmt);
	
	//setup input buffers
	picSrc = (AVPicture*)malloc(sizeof(AVPicture));
	frameSrc = avcodec_alloc_frame();
	frameSrc->pts = 0;
	return 0;
}
예제 #29
0
파일: img2dec.c 프로젝트: Innovattic/FFmpeg
int ff_img_read_header(AVFormatContext *s1)
{
    VideoDemuxData *s = s1->priv_data;
    int first_index = 1, last_index = 1;
    AVStream *st;
    enum AVPixelFormat pix_fmt = AV_PIX_FMT_NONE;

    s1->ctx_flags |= AVFMTCTX_NOHEADER;

    st = avformat_new_stream(s1, NULL);
    if (!st) {
        return AVERROR(ENOMEM);
    }

    if (s->pixel_format &&
        (pix_fmt = av_get_pix_fmt(s->pixel_format)) == AV_PIX_FMT_NONE) {
        av_log(s1, AV_LOG_ERROR, "No such pixel format: %s.\n",
               s->pixel_format);
        return AVERROR(EINVAL);
    }

    av_strlcpy(s->path, s1->url, sizeof(s->path));
    s->img_number = 0;
    s->img_count  = 0;

    /* find format */
    if (s1->iformat->flags & AVFMT_NOFILE)
        s->is_pipe = 0;
    else {
        s->is_pipe       = 1;
        st->need_parsing = AVSTREAM_PARSE_FULL;
    }

    if (s->ts_from_file == 2) {
#if !HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC
        av_log(s1, AV_LOG_ERROR, "POSIX.1-2008 not supported, nanosecond file timestamps unavailable\n");
        return AVERROR(ENOSYS);
#endif
        avpriv_set_pts_info(st, 64, 1, 1000000000);
    } else if (s->ts_from_file)
        avpriv_set_pts_info(st, 64, 1, 1);
    else
        avpriv_set_pts_info(st, 64, s->framerate.den, s->framerate.num);

    if (s->width && s->height) {
        st->codecpar->width  = s->width;
        st->codecpar->height = s->height;
    }

    if (!s->is_pipe) {
        if (s->pattern_type == PT_DEFAULT) {
            if (s1->pb) {
                s->pattern_type = PT_NONE;
            } else
                s->pattern_type = PT_GLOB_SEQUENCE;
        }

        if (s->pattern_type == PT_GLOB_SEQUENCE) {
        s->use_glob = is_glob(s->path);
        if (s->use_glob) {
#if HAVE_GLOB
            char *p = s->path, *q, *dup;
            int gerr;
#endif

            av_log(s1, AV_LOG_WARNING, "Pattern type 'glob_sequence' is deprecated: "
                   "use pattern_type 'glob' instead\n");
#if HAVE_GLOB
            dup = q = av_strdup(p);
            while (*q) {
                /* Do we have room for the next char and a \ insertion? */
                if ((p - s->path) >= (sizeof(s->path) - 2))
                  break;
                if (*q == '%' && strspn(q + 1, "%*?[]{}"))
                    ++q;
                else if (strspn(q, "\\*?[]{}"))
                    *p++ = '\\';
                *p++ = *q++;
            }
            *p = 0;
            av_free(dup);

            gerr = glob(s->path, GLOB_NOCHECK|GLOB_BRACE|GLOB_NOMAGIC, NULL, &s->globstate);
            if (gerr != 0) {
                return AVERROR(ENOENT);
            }
            first_index = 0;
            last_index = s->globstate.gl_pathc - 1;
#endif
        }
        }
        if ((s->pattern_type == PT_GLOB_SEQUENCE && !s->use_glob) || s->pattern_type == PT_SEQUENCE) {
            if (find_image_range(s1->pb, &first_index, &last_index, s->path,
                                 s->start_number, s->start_number_range) < 0) {
                av_log(s1, AV_LOG_ERROR,
                       "Could find no file with path '%s' and index in the range %d-%d\n",
                       s->path, s->start_number, s->start_number + s->start_number_range - 1);
                return AVERROR(ENOENT);
            }
        } else if (s->pattern_type == PT_GLOB) {
#if HAVE_GLOB
            int gerr;
            gerr = glob(s->path, GLOB_NOCHECK|GLOB_BRACE|GLOB_NOMAGIC, NULL, &s->globstate);
            if (gerr != 0) {
                return AVERROR(ENOENT);
            }
            first_index = 0;
            last_index = s->globstate.gl_pathc - 1;
            s->use_glob = 1;
#else
            av_log(s1, AV_LOG_ERROR,
                   "Pattern type 'glob' was selected but globbing "
                   "is not supported by this libavformat build\n");
            return AVERROR(ENOSYS);
#endif
        } else if (s->pattern_type != PT_GLOB_SEQUENCE && s->pattern_type != PT_NONE) {
            av_log(s1, AV_LOG_ERROR,
                   "Unknown value '%d' for pattern_type option\n", s->pattern_type);
            return AVERROR(EINVAL);
        }
        s->img_first  = first_index;
        s->img_last   = last_index;
        s->img_number = first_index;
        /* compute duration */
        if (!s->ts_from_file) {
            st->start_time = 0;
            st->duration   = last_index - first_index + 1;
        }
    }

    if (s1->video_codec_id) {
        st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
        st->codecpar->codec_id   = s1->video_codec_id;
    } else if (s1->audio_codec_id) {
        st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
        st->codecpar->codec_id   = s1->audio_codec_id;
    } else if (s1->iformat->raw_codec_id) {
        st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
        st->codecpar->codec_id   = s1->iformat->raw_codec_id;
    } else {
        const char *str = strrchr(s->path, '.');
        s->split_planes       = str && !av_strcasecmp(str + 1, "y");
        st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
        if (s1->pb) {
            int probe_buffer_size = 2048;
            uint8_t *probe_buffer = av_realloc(NULL, probe_buffer_size + AVPROBE_PADDING_SIZE);
            const AVInputFormat *fmt = NULL;
            void *fmt_iter = NULL;
            AVProbeData pd = { 0 };

            if (!probe_buffer)
                return AVERROR(ENOMEM);

            probe_buffer_size = avio_read(s1->pb, probe_buffer, probe_buffer_size);
            if (probe_buffer_size < 0) {
                av_free(probe_buffer);
                return probe_buffer_size;
            }
            memset(probe_buffer + probe_buffer_size, 0, AVPROBE_PADDING_SIZE);

            pd.buf = probe_buffer;
            pd.buf_size = probe_buffer_size;
            pd.filename = s1->url;

            while ((fmt = av_demuxer_iterate(&fmt_iter))) {
                if (fmt->read_header != ff_img_read_header ||
                    !fmt->read_probe ||
                    (fmt->flags & AVFMT_NOFILE) ||
                    !fmt->raw_codec_id)
                    continue;
                if (fmt->read_probe(&pd) > 0) {
                    st->codecpar->codec_id = fmt->raw_codec_id;
                    break;
                }
            }
            if (s1->flags & AVFMT_FLAG_CUSTOM_IO) {
                avio_seek(s1->pb, 0, SEEK_SET);
            } else
                ffio_rewind_with_probe_data(s1->pb, &probe_buffer, probe_buffer_size);
        }
        if (st->codecpar->codec_id == AV_CODEC_ID_NONE)
            st->codecpar->codec_id = ff_guess_image2_codec(s->path);
        if (st->codecpar->codec_id == AV_CODEC_ID_LJPEG)
            st->codecpar->codec_id = AV_CODEC_ID_MJPEG;
        if (st->codecpar->codec_id == AV_CODEC_ID_ALIAS_PIX) // we cannot distingiush this from BRENDER_PIX
            st->codecpar->codec_id = AV_CODEC_ID_NONE;
    }
    if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
        pix_fmt != AV_PIX_FMT_NONE)
        st->codecpar->format = pix_fmt;

    return 0;
}
예제 #30
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);
}