コード例 #1
0
/** @internal @This handles data.
 *
 * @param upipe description structure of the pipe
 * @param uref uref structure describing the picture
 * @param upump_p reference to pump that generated the buffer
 * @return true if the packet was handled
 */
static bool upipe_audiobar_handle(struct upipe *upipe, struct uref *uref,
                                  struct upump **upump_p)
{
    struct upipe_audiobar *upipe_audiobar = upipe_audiobar_from_upipe(upipe);
    const char *def;
    if (unlikely(ubase_check(uref_flow_get_def(uref, &def)))) {
        UBASE_FATAL(upipe,
                uref_sound_flow_get_channels(uref, &upipe_audiobar->channels))
        uref_sound_flow_clear_format(uref);
        UBASE_FATAL(upipe,
                uref_attr_import(uref, upipe_audiobar->flow_def_config))
        uref_pic_flow_clear_format(uref);
        UBASE_FATAL(upipe, uref_pic_flow_set_planes(uref, 0))
        UBASE_FATAL(upipe, uref_pic_flow_set_macropixel(uref, 1))
        UBASE_FATAL(upipe, uref_pic_flow_add_plane(uref, 1, 1, 1, "y8"))
        UBASE_FATAL(upipe, uref_pic_flow_add_plane(uref, 2, 1, 1, "u8"))
        UBASE_FATAL(upipe, uref_pic_flow_add_plane(uref, 2, 1, 1, "v8"))
        UBASE_FATAL(upipe, uref_pic_flow_add_plane(uref, 1, 1, 1, "a8"))
        UBASE_FATAL(upipe, uref_pic_set_progressive(uref))

        upipe_audiobar->hsize = upipe_audiobar->vsize =
            upipe_audiobar->sep_width = upipe_audiobar->pad_width = UINT64_MAX;
        upipe_audiobar_require_flow_format(upipe, uref);
        return true;
    }

    if (!upipe_audiobar->ubuf_mgr)
        return false;

    if (unlikely(upipe_audiobar->hsize == UINT64_MAX))
        return false;

    struct ubuf *ubuf = ubuf_pic_alloc(upipe_audiobar->ubuf_mgr,
                                       upipe_audiobar->hsize,
                                       upipe_audiobar->vsize);
    uref_attach_ubuf(uref, ubuf);

    uint8_t *dst[4];
    size_t strides[4];
    uint8_t hsubs[4];
    uint8_t vsubs[4];
    static const char *chroma[4] = { "y8", "u8", "v8", "a8" };
    for (int i = 0; i < 4; i++) {
        if (unlikely(!ubase_check(uref_pic_plane_write(uref, chroma[i],
                            0, 0, -1, -1, &dst[i])) ||
                     !ubase_check(uref_pic_plane_size(uref, chroma[i],
                             &strides[i], &hsubs[i], &vsubs[i], NULL)))) {
             upipe_throw_fatal(upipe, UBASE_ERR_ALLOC);
             uref_free(uref);
             return true;
        }
    }

    uint8_t alpha = upipe_audiobar->alpha;
    uint64_t h = upipe_audiobar->vsize;
    const int hred = h - (iec_scale(-8.) * h);
    const int hyellow = h - (iec_scale(-18.) * h);
    uint8_t transparent[4] = { 0x10, 0x80, 0x80, 0 };
    uint8_t black[4] = { 0x10, 0x80, 0x80, alpha };
    uint8_t red[2][4] = { { 76, 85, 0xff, alpha }, { 37, 106, 191, alpha } };
    uint8_t green[2][4] = { { 150, 44, 21, alpha }, { 74, 85, 74, alpha } };
    uint8_t yellow[2][4] = { { 226, 1, 148, alpha }, { 112, 64, 138, alpha } };

    uint64_t pts = 0;
    if (unlikely(!ubase_check(uref_clock_get_pts_prog(uref, &pts)))) {
        upipe_warn(upipe, "unable to read pts");
    }

    for (uint8_t chan = 0; chan < upipe_audiobar->channels; chan++) {
        double amplitude = 0.;
        if (unlikely(!ubase_check(uref_amax_get_amplitude(uref, &amplitude,
                                                          chan))))
            upipe_warn_va(upipe, "unable to get amplitude for channel %"PRIu8", assuming silence", chan);

        double scale = log10(amplitude) * 20;

        // IEC-268-18 return time speed is 20dB per 1.7s (+/- .3)
        if (upipe_audiobar->peak_date[chan])
            upipe_audiobar->peak[chan] -= 20 * (pts - upipe_audiobar->peak_date[chan]) / (1.7 * UCLOCK_FREQ);

        upipe_audiobar->peak_date[chan] = pts;

        if (scale >= upipe_audiobar->peak[chan]) /* higher than lowered peak */
            upipe_audiobar->peak[chan] = scale;
        else /* Current amplitude can not go below the lowered peak value */
            scale = upipe_audiobar->peak[chan];

        scale = iec_scale(scale);

        const int hmax = h - scale * h;
        for (int row = 0; row < h; row++) {
            bool bright = row > hmax;

            const uint8_t *color = row < hred ? red[!bright] :
                                   row < hyellow ? yellow[!bright] :
                                   green[!bright];

            copy_color(dst, strides, hsubs, vsubs, color, row,
                       chan * upipe_audiobar->chan_width,
                       upipe_audiobar->chan_width);
            if (chan && upipe_audiobar->sep_width)
                copy_color(dst, strides, hsubs, vsubs, black, row,
                           chan * upipe_audiobar->chan_width -
                           upipe_audiobar->sep_width / 2,
                           upipe_audiobar->sep_width);

            if (chan == upipe_audiobar->channels - 1 &&
                upipe_audiobar->pad_width)
                copy_color(dst, strides, hsubs, vsubs, transparent, row,
                           (chan + 1) * upipe_audiobar->chan_width,
                           upipe_audiobar->pad_width);
        }
    }

    /* dB marks */
    for (int i = 1; i <= 6; i++) {
        int row = h - (iec_scale(-10 * i) * h);
        copy_color(dst, strides, hsubs, vsubs, black, row, 0,
                   upipe_audiobar->hsize);
    }

    for (int i = 0; i < 4; i++)
        ubuf_pic_plane_unmap(ubuf, chroma[i], 0, 0, -1, -1);
    upipe_audiobar_output(upipe, uref, upump_p);
    return true;
}
コード例 #2
0
/** @internal @This outputs video frames
 *
 * @param upipe description structure of the pipe
 * @param frame AVFrame structure
 * @param upump upump structure
 */
static void upipe_avcdec_output_frame(struct upipe *upipe, AVFrame *frame,
                                     struct upump *upump)
{
    struct ubuf *ubuf;
    struct upipe_avcdec *upipe_avcdec = upipe_avcdec_from_upipe(upipe);
    const struct upipe_av_plane *planes = upipe_avcdec->pixfmt->planes;
    struct uref *uref = uref_dup(frame->opaque);

    uint8_t *data, *src, hsub, vsub;
    const char *chroma = NULL; 
    size_t sstride, dstride;
    int i, j;
    struct urational aspect;

    /* if uref has no attached ubuf (ie DR not supported) */
    if (unlikely(!uref->ubuf)) {
        ubuf = ubuf_pic_alloc(upipe_avcdec->ubuf_mgr, frame->width, frame->height);
        if (!ubuf) {
            upipe_throw_aerror(upipe);
            return;
        }

        /* iterate through planes and copy data */
        i = j = 0;
        for (i=0; i < 4 && (chroma = planes[i].chroma); i++) {
            ubuf_pic_plane_write(ubuf, chroma, 0, 0, -1, -1, &data);
            ubuf_pic_plane_size(ubuf, chroma, &dstride, &hsub, &vsub, NULL);
            src = frame->data[i];
            sstride = frame->linesize[i];
            for (j = 0; j < frame->height/vsub; j++) {
                memcpy(data, src, frame->width/hsub);
                data += dstride;
                src += sstride;
            }
            ubuf_pic_plane_unmap(ubuf, chroma, 0, 0, -1, -1);
        }

        uref_attach_ubuf(uref, ubuf);
    }

    /* set aspect-ratio */
    aspect.den = 0; /* null denom is invalid */
    if (upipe_avcdec->context->sample_aspect_ratio.den) {
        aspect.num = upipe_avcdec->context->sample_aspect_ratio.num;
        aspect.den = upipe_avcdec->context->sample_aspect_ratio.den;
    } else if (frame->sample_aspect_ratio.den) {
        aspect.num = frame->sample_aspect_ratio.num;
        aspect.den = frame->sample_aspect_ratio.den;
    }
    if (aspect.den) {
        urational_simplify(&aspect);
        uref_pic_set_aspect(uref, aspect);
    }

    if (!upipe_avcdec->output_flow) {
        struct uref *outflow = uref_pic_flow_alloc_def(upipe_avcdec->uref_mgr, 1);
        upipe_avcdec_store_flow_def(upipe, outflow);
    }

    /* index rap attribute */
    upipe_avcdec_set_index_rap(upipe, uref);

    upipe_avcdec_output(upipe, uref, upump);
}
コード例 #3
0
ファイル: upipe_video_blank.c プロジェクト: tmatth/upipe
/** @internal @This handles the input uref.
 *
 * @param upipe description structure of the pipe
 * @param uref input uref
 * @param upump_p reference to pump that generated the buffer
 */
static void upipe_vblk_input(struct upipe *upipe,
                             struct uref *uref,
                             struct upump **upump_p)
{
    struct upipe_vblk *upipe_vblk = upipe_vblk_from_upipe(upipe);
    struct uref *flow_def = upipe_vblk->flow_def;
    struct uref *input_flow_def = upipe_vblk->input_flow_def;

    if (uref->ubuf) {
        upipe_vblk_output(upipe, uref, upump_p);
        return;
    }

    if (unlikely(!input_flow_def)) {
        upipe_warn(upipe, "no input flow definition");
        uref_free(uref);
        return;
    }

    if (unlikely(!flow_def)) {
        upipe_warn(upipe, "no output flow definition");
        uref_free(uref);
        return;
    }

    if (unlikely(!upipe_vblk->ubuf_mgr)) {
        upipe_warn(upipe, "no ubuf manager set");
        uref_free(uref);
        return;
    }

    if (unlikely(!upipe_vblk->ubuf)) {
        upipe_verbose(upipe, "allocate blank picture");

        uint64_t hsize, vsize;
        ubase_assert(uref_pic_flow_get_hsize(upipe_vblk->flow_def, &hsize));
        ubase_assert(uref_pic_flow_get_vsize(upipe_vblk->flow_def, &vsize));

        upipe_vblk->ubuf = ubuf_pic_alloc(upipe_vblk->ubuf_mgr, hsize, vsize);
        if (unlikely(!upipe_vblk->ubuf)) {
            upipe_err(upipe, "fail to allocate picture");
            uref_free(uref);
            upipe_throw_fatal(upipe, UBASE_ERR_ALLOC);
            return;
        }
        ubuf_pic_clear(upipe_vblk->ubuf, 0, 0, -1, -1, 1);
    }

    struct ubuf *ubuf = ubuf_dup(upipe_vblk->ubuf);
    if (unlikely(!ubuf)) {
        upipe_err(upipe, "fail to duplicate blank picture");
        uref_free(uref);
        upipe_throw_fatal(upipe, UBASE_ERR_ALLOC);
        return;
    }

    uref_attach_ubuf(uref, ubuf);
    if (ubase_check(uref_pic_get_progressive(flow_def)))
        uref_pic_set_progressive(uref);

    upipe_vblk_output(upipe, uref, upump_p);
}
コード例 #4
0
/** @internal @This is called by avcodec when allocating a new frame
 * @param context current avcodec context
 * @param frame avframe handler entering avcodec black magic box
 */
static int upipe_avcdec_get_buffer(struct AVCodecContext *context, AVFrame *frame)
{
    struct upipe *upipe = context->opaque;
    struct upipe_avcdec *upipe_avcdec = upipe_avcdec_from_upipe(upipe);
    struct ubuf *ubuf_pic;
    int width_aligned, height_aligned, i;
    const struct upipe_av_plane *planes = NULL;
    size_t stride = 0;

    frame->opaque = uref_dup(upipe_avcdec->uref);

    uint64_t framenum = 0;
    uref_pic_get_number(frame->opaque, &framenum);

    upipe_dbg_va(upipe, "Allocating frame for %u (%p) - %ux%u",
                 framenum, frame->opaque, frame->width, frame->height);

    if (unlikely(!upipe_avcdec->pixfmt)) {
        upipe_avcdec->pixfmt = upipe_av_pixfmt_from_ubuf_mgr(upipe_avcdec->ubuf_mgr);
        if (unlikely(!upipe_avcdec->pixfmt)) {
            upipe_err_va(upipe, "frame format of ubuf manager not recognized");
            return 0;
        }
    }
    if (context->pix_fmt != *upipe_avcdec->pixfmt->pixfmt) {
        upipe_err_va(upipe, "frame format not compatible (%s != %s",
                                       av_get_pix_fmt_name(context->pix_fmt),
                            av_get_pix_fmt_name(*upipe_avcdec->pixfmt->pixfmt));
        return 0;
    }
    planes = upipe_avcdec->pixfmt->planes;

    /* direct rendering - allocate ubuf pic */
    if (upipe_avcdec->context->codec->capabilities & CODEC_CAP_DR1) {
        width_aligned = context->width;
        height_aligned = context->height;

        /* use avcodec width/height alignement, then resize pic */
        avcodec_align_dimensions(context, &width_aligned, &height_aligned);
        ubuf_pic = ubuf_pic_alloc(upipe_avcdec->ubuf_mgr, width_aligned, height_aligned);

        if (likely(ubuf_pic)) {
            ubuf_pic_resize(ubuf_pic, 0, 0, context->width, context->height);
            uref_attach_ubuf(frame->opaque, ubuf_pic);

            for (i=0; i < 4 && planes[i].chroma; i++) {
                ubuf_pic_plane_write(ubuf_pic, planes[i].chroma,
                        0, 0, -1, -1, &frame->data[i]);
                ubuf_pic_plane_size(ubuf_pic, planes[i].chroma, &stride,
                        NULL, NULL, NULL);
                frame->linesize[i] = stride;
            }

            frame->extended_data = frame->data;
            frame->type = FF_BUFFER_TYPE_USER;
            
            return 1; /* success */
        } else {
            upipe_dbg_va(upipe, "ubuf_pic_alloc(%d, %d) failed, fallback", width_aligned, height_aligned);
        }
    }

    /* default : DR failed or not available */
    return avcodec_default_get_buffer(context, frame);
}
コード例 #5
0
ファイル: upipe_filter_blend.c プロジェクト: tmatth/upipe
/** @internal @This handles input.
 *
 * @param upipe description structure of the pipe
 * @param uref uref structure
 * @param upump_p reference to upump structure
 * @return always true
 */
static bool upipe_filter_blend_handle(struct upipe *upipe, struct uref *uref,
                                      struct upump **upump_p)
{
    struct upipe_filter_blend *upipe_filter_blend = upipe_filter_blend_from_upipe(upipe);
    const char *def;
    if (unlikely(ubase_check(uref_flow_get_def(uref, &def)))) {
        upipe_filter_blend_store_flow_def(upipe, NULL);
        upipe_filter_blend_require_ubuf_mgr(upipe, uref);
        return true;
    }

    if (upipe_filter_blend->flow_def == NULL)
        return false;

    const uint8_t *in;
    uint8_t *out;
    uint8_t hsub, vsub, macropixel_size;
    size_t stride_in = 0, stride_out = 0, width, height;
    const char *chroma = NULL;
    struct ubuf *ubuf_deint = NULL;

    // Now process frames
    uref_pic_size(uref, &width, &height, NULL);
    upipe_verbose_va(upipe, "received pic (%zux%zu)", width, height);

    assert(upipe_filter_blend->ubuf_mgr);
    ubuf_deint = ubuf_pic_alloc(upipe_filter_blend->ubuf_mgr, width, height);
    if (unlikely(!ubuf_deint)) {
        upipe_throw_fatal(upipe, UBASE_ERR_ALLOC);
        goto error;
    }

    // Iterate planes
    while (ubase_check(uref_pic_plane_iterate(uref, &chroma)) && chroma) {
        // map all
        if (unlikely(!ubase_check(uref_pic_plane_size(uref, chroma, &stride_in,
                                                &hsub, &vsub, &macropixel_size)))) {
            upipe_err_va(upipe, "Could not read origin chroma %s", chroma);
            goto error;
        }
        if (unlikely(!ubase_check(ubuf_pic_plane_size(ubuf_deint, chroma, &stride_out,
                                                  NULL, NULL, NULL)))) {
            upipe_err_va(upipe, "Could not read dest chroma %s", chroma);
            goto error;
        }
        uref_pic_plane_read(uref, chroma, 0, 0, -1, -1, &in);
        ubuf_pic_plane_write(ubuf_deint, chroma, 0, 0, -1, -1, &out);

        // process plane
        upipe_filter_blend_plane(in, out, stride_in, stride_out, (size_t) height/vsub, macropixel_size);

        // unmap all
        uref_pic_plane_unmap(uref, chroma, 0, 0, -1, -1);
        ubuf_pic_plane_unmap(ubuf_deint, chroma, 0, 0, -1, -1);
    }

    // Attach new ubuf and output frame
    uref_attach_ubuf(uref, ubuf_deint);
    uref_pic_set_progressive(uref);
    uref_pic_delete_tff(uref);

    upipe_filter_blend_output(upipe, uref, upump_p);
    return true;

error:
    uref_free(uref);
    if (ubuf_deint) {
        ubuf_free(ubuf_deint);
    }
    return true;
}