Re: [PATCH 2/2] worker: move compress to dcc_compress_image()

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> 
> On Thu, 2015-11-19 at 14:16 +0000, Frediano Ziglio wrote:
> > Signed-off-by: Marc-André Lureau <marcandre.lureau@xxxxxxxxx>
> > Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
> > ---
> >  server/dcc.c             | 631 +++++++++++++++++++++++++++++++++++++++++++
> >  server/dcc.h             |  31 +++
> >  server/display-channel.h |   4 +
> >  server/red_parse_qxl.h   |   6 +
> >  server/red_worker.c      | 678
> >  +---------------------------------------------
> > -
> >  5 files changed, 681 insertions(+), 669 deletions(-)
> > 
> > diff --git a/server/dcc.c b/server/dcc.c
> > index a14247c..1e18814 100644
> > --- a/server/dcc.c
> > +++ b/server/dcc.c
> > @@ -309,3 +309,634 @@ void dcc_destroy_surface(DisplayChannelClient *dcc,
> > uint32_t surface_id)
> >      destroy = surface_destroy_item_new(channel, surface_id);
> >      red_channel_client_pipe_add(RED_CHANNEL_CLIENT(dcc), &destroy
> > ->pipe_item);
> >  }
> > +
> > +/* if already exists, returns it. Otherwise allocates and adds it (1) to
> > the
> > ring tail
> > +   in the channel (2) to the Drawable*/
> > +static RedGlzDrawable *get_glz_drawable(DisplayChannelClient *dcc,
> > Drawable
> > *drawable)
> > +{
> > +    RedGlzDrawable *ret;
> > +    RingItem *item, *next;
> > +
> > +    // TODO - I don't really understand what's going on here, so doing the
> > technical equivalent
> > +    // now that we have multiple glz_dicts, so the only way to go from dcc
> > to
> > drawable glz is to go
> > +    // over the glz_ring (unless adding some better data structure then a
> > ring)
> > +    DRAWABLE_FOREACH_GLZ_SAFE(drawable, item, next, ret) {
> > +        if (ret->dcc == dcc) {
> > +            return ret;
> > +        }
> > +    }
> > +
> > +    ret = spice_new(RedGlzDrawable, 1);
> > +
> > +    ret->dcc = dcc;
> > +    ret->red_drawable = red_drawable_ref(drawable->red_drawable);
> > +    ret->drawable = drawable;
> > +    ret->group_id = drawable->group_id;
> > +    ret->instances_count = 0;
> > +    ring_init(&ret->instances);
> > +
> > +    ring_item_init(&ret->link);
> > +    ring_item_init(&ret->drawable_link);
> > +    ring_add_before(&ret->link, &dcc->glz_drawables);
> > +    ring_add(&drawable->glz_ring, &ret->drawable_link);
> > +    DCC_TO_DC(dcc)->glz_drawable_count++;
> > +    return ret;
> > +}
> > +
> > +/* allocates new instance and adds it to instances in the given drawable.
> > +   NOTE - the caller should set the glz_instance returned by the encoder
> > by
> > itself.*/
> > +static GlzDrawableInstanceItem *add_glz_drawable_instance(RedGlzDrawable
> > *glz_drawable)
> > +{
> > +    spice_assert(glz_drawable->instances_count <
> > MAX_GLZ_DRAWABLE_INSTANCES);
> > +    // NOTE: We assume the additions are performed consecutively, without
> > removals in the middle
> > +    GlzDrawableInstanceItem *ret = glz_drawable->instances_pool +
> > glz_drawable->instances_count;
> > +    glz_drawable->instances_count++;
> > +
> > +    ring_item_init(&ret->free_link);
> > +    ring_item_init(&ret->glz_link);
> > +    ring_add(&glz_drawable->instances, &ret->glz_link);
> > +    ret->context = NULL;
> > +    ret->glz_drawable = glz_drawable;
> > +
> > +    return ret;
> > +}
> > +
> > +#define MIN_GLZ_SIZE_FOR_ZLIB 100
> > +
> > +int dcc_compress_image_glz(DisplayChannelClient *dcc,
> > +                           SpiceImage *dest, SpiceBitmap *src, Drawable
> > *drawable,
> > +                           compress_send_data_t* o_comp_data)
> > +{
> > +    DisplayChannel *display_channel = DCC_TO_DC(dcc);
> > +#ifdef COMPRESS_STAT
> > +    stat_time_t start_time = stat_now(display_channel->glz_stat.clock);
> > +#endif
> > +    spice_assert(bitmap_fmt_is_rgb(src->format));
> > +    GlzData *glz_data = &dcc->glz_data;
> > +    ZlibData *zlib_data;
> > +    LzImageType type = MAP_BITMAP_FMT_TO_LZ_IMAGE_TYPE[src->format];
> > +    RedGlzDrawable *glz_drawable;
> > +    GlzDrawableInstanceItem *glz_drawable_instance;
> > +    int glz_size;
> > +    int zlib_size;
> > +
> > +    glz_data->data.bufs_tail = compress_buf_new();
> > +    glz_data->data.bufs_head = glz_data->data.bufs_tail;
> > +    glz_data->data.dcc = dcc;
> > +
> > +    glz_drawable = get_glz_drawable(dcc, drawable);
> > +    glz_drawable_instance = add_glz_drawable_instance(glz_drawable);
> > +
> > +    glz_data->data.u.lines_data.chunks = src->data;
> > +    glz_data->data.u.lines_data.stride = src->stride;
> > +    glz_data->data.u.lines_data.next = 0;
> > +    glz_data->data.u.lines_data.reverse = 0;
> > +
> > +    glz_size = glz_encode(dcc->glz, type, src->x, src->y,
> > +                          (src->flags & SPICE_BITMAP_FLAGS_TOP_DOWN),
> > NULL,
> > 0,
> > +                          src->stride,
> > glz_data->data.bufs_head->buf.bytes,
> > +                          sizeof(glz_data->data.bufs_head->buf),
> > +                          glz_drawable_instance,
> > +                          &glz_drawable_instance->context);
> > +
> > +    stat_compress_add(&display_channel->glz_stat, start_time, src->stride
> > *
> > src->y, glz_size);
> > +
> > +    if (!display_channel->enable_zlib_glz_wrap || (glz_size <
> > MIN_GLZ_SIZE_FOR_ZLIB)) {
> > +        goto glz;
> > +    }
> > +#ifdef COMPRESS_STAT
> > +    start_time = stat_now(display_channel->zlib_glz_stat.clock);
> > +#endif
> > +    zlib_data = &dcc->zlib_data;
> > +
> > +    zlib_data->data.bufs_tail = compress_buf_new();
> > +    zlib_data->data.bufs_head = zlib_data->data.bufs_tail;
> > +    zlib_data->data.dcc = dcc;
> > +
> > +    zlib_data->data.u.compressed_data.next = glz_data->data.bufs_head;
> > +    zlib_data->data.u.compressed_data.size_left = glz_size;
> > +
> > +    zlib_size = zlib_encode(dcc->zlib, dcc->zlib_level,
> > +                            glz_size,
> > zlib_data->data.bufs_head->buf.bytes,
> > +                            sizeof(zlib_data->data.bufs_head->buf));
> > +
> > +    // the compressed buffer is bigger than the original data
> > +    if (zlib_size >= glz_size) {
> > +        while (zlib_data->data.bufs_head) {
> > +            RedCompressBuf *buf = zlib_data->data.bufs_head;
> > +            zlib_data->data.bufs_head = buf->send_next;
> > +            compress_buf_free(buf);
> > +        }
> > +        goto glz;
> > +    }
> > +
> > +    dest->descriptor.type = SPICE_IMAGE_TYPE_ZLIB_GLZ_RGB;
> > +    dest->u.zlib_glz.glz_data_size = glz_size;
> > +    dest->u.zlib_glz.data_size = zlib_size;
> > +
> > +    o_comp_data->comp_buf = zlib_data->data.bufs_head;
> > +    o_comp_data->comp_buf_size = zlib_size;
> > +
> > +    stat_compress_add(&display_channel->zlib_glz_stat, start_time,
> > glz_size,
> > zlib_size);
> > +    return TRUE;
> > +glz:
> > +    dest->descriptor.type = SPICE_IMAGE_TYPE_GLZ_RGB;
> > +    dest->u.lz_rgb.data_size = glz_size;
> > +
> > +    o_comp_data->comp_buf = glz_data->data.bufs_head;
> > +    o_comp_data->comp_buf_size = glz_size;
> > +
> > +    return TRUE;
> > +}
> > +
> > +int dcc_compress_image_lz(DisplayChannelClient *dcc,
> > +                          SpiceImage *dest, SpiceBitmap *src,
> > +                          compress_send_data_t* o_comp_data, uint32_t
> > group_id)
> > +{
> > +    LzData *lz_data = &dcc->lz_data;
> > +    LzContext *lz = dcc->lz;
> > +    LzImageType type = MAP_BITMAP_FMT_TO_LZ_IMAGE_TYPE[src->format];
> > +    int size;            // size of the compressed data
> > +
> > +#ifdef COMPRESS_STAT
> > +    stat_time_t start_time = stat_now(DCC_TO_DC(dcc)->lz_stat.clock);
> > +#endif
> > +
> > +    lz_data->data.bufs_tail = compress_buf_new();
> > +    lz_data->data.bufs_head = lz_data->data.bufs_tail;
> > +    lz_data->data.dcc = dcc;
> > +
> > +    if (setjmp(lz_data->data.jmp_env)) {
> > +        while (lz_data->data.bufs_head) {
> > +            RedCompressBuf *buf = lz_data->data.bufs_head;
> > +            lz_data->data.bufs_head = buf->send_next;
> > +            compress_buf_free(buf);
> > +        }
> > +        return FALSE;
> > +    }
> > +
> > +    lz_data->data.u.lines_data.chunks = src->data;
> > +    lz_data->data.u.lines_data.stride = src->stride;
> > +    lz_data->data.u.lines_data.next = 0;
> > +    lz_data->data.u.lines_data.reverse = 0;
> > +
> > +    size = lz_encode(lz, type, src->x, src->y,
> > +                     !!(src->flags & SPICE_BITMAP_FLAGS_TOP_DOWN),
> > +                     NULL, 0, src->stride,
> > +                     lz_data->data.bufs_head->buf.bytes,
> > +                     sizeof(lz_data->data.bufs_head->buf));
> > +
> > +    // the compressed buffer is bigger than the original data
> > +    if (size > (src->y * src->stride)) {
> > +        longjmp(lz_data->data.jmp_env, 1);
> > +    }
> > +
> > +    if (bitmap_fmt_is_rgb(src->format)) {
> > +        dest->descriptor.type = SPICE_IMAGE_TYPE_LZ_RGB;
> > +        dest->u.lz_rgb.data_size = size;
> > +
> > +        o_comp_data->comp_buf = lz_data->data.bufs_head;
> > +        o_comp_data->comp_buf_size = size;
> > +    } else {
> > +        /* masks are 1BIT bitmaps without palettes, but they are not
> > compressed
> > +         * (see fill_mask) */
> > +        spice_assert(src->palette);
> > +        dest->descriptor.type = SPICE_IMAGE_TYPE_LZ_PLT;
> > +        dest->u.lz_plt.data_size = size;
> > +        dest->u.lz_plt.flags = src->flags & SPICE_BITMAP_FLAGS_TOP_DOWN;
> > +        dest->u.lz_plt.palette = src->palette;
> > +        dest->u.lz_plt.palette_id = src->palette->unique;
> > +        o_comp_data->comp_buf = lz_data->data.bufs_head;
> > +        o_comp_data->comp_buf_size = size;
> > +
> > +        dcc_palette_cache_palette(dcc, dest->u.lz_plt.palette, &(dest
> > ->u.lz_plt.flags));
> > +        o_comp_data->lzplt_palette = dest->u.lz_plt.palette;
> > +    }
> > +
> > +    stat_compress_add(&DCC_TO_DC(dcc)->lz_stat, start_time, src->stride *
> > src
> > ->y,
> > +                      o_comp_data->comp_buf_size);
> > +    return TRUE;
> > +}
> > +
> > +int dcc_compress_image_jpeg(DisplayChannelClient *dcc, SpiceImage *dest,
> > +                            SpiceBitmap *src, compress_send_data_t*
> > o_comp_data,
> > +                            uint32_t group_id)
> > +{
> > +    JpegData *jpeg_data = &dcc->jpeg_data;
> > +    LzData *lz_data = &dcc->lz_data;
> > +    JpegEncoderContext *jpeg = dcc->jpeg;
> > +    LzContext *lz = dcc->lz;
> > +    volatile JpegEncoderImageType jpeg_in_type;
> > +    int jpeg_size = 0;
> > +    volatile int has_alpha = FALSE;
> > +    int alpha_lz_size = 0;
> > +    int comp_head_filled;
> > +    int comp_head_left;
> > +    int stride;
> > +    uint8_t *lz_out_start_byte;
> > +
> > +#ifdef COMPRESS_STAT
> > +    stat_time_t start_time = stat_now(DCC_TO_DC(dcc)->jpeg_stat.clock);
> > +#endif
> > +    switch (src->format) {
> > +    case SPICE_BITMAP_FMT_16BIT:
> > +        jpeg_in_type = JPEG_IMAGE_TYPE_RGB16;
> > +        break;
> > +    case SPICE_BITMAP_FMT_24BIT:
> > +        jpeg_in_type = JPEG_IMAGE_TYPE_BGR24;
> > +        break;
> > +    case SPICE_BITMAP_FMT_32BIT:
> > +        jpeg_in_type = JPEG_IMAGE_TYPE_BGRX32;
> > +        break;
> > +    case SPICE_BITMAP_FMT_RGBA:
> > +        jpeg_in_type = JPEG_IMAGE_TYPE_BGRX32;
> > +        has_alpha = TRUE;
> > +        break;
> > +    default:
> > +        return FALSE;
> > +    }
> > +
> > +    jpeg_data->data.bufs_tail = compress_buf_new();
> > +    jpeg_data->data.bufs_head = jpeg_data->data.bufs_tail;
> > +    jpeg_data->data.dcc = dcc;
> > +
> > +    if (setjmp(jpeg_data->data.jmp_env)) {
> > +        while (jpeg_data->data.bufs_head) {
> > +            RedCompressBuf *buf = jpeg_data->data.bufs_head;
> > +            jpeg_data->data.bufs_head = buf->send_next;
> > +            compress_buf_free(buf);
> > +        }
> > +        return FALSE;
> > +    }
> > +
> > +    if (src->data->flags & SPICE_CHUNKS_FLAGS_UNSTABLE) {
> > +        spice_chunks_linearize(src->data);
> > +    }
> > +
> > +    jpeg_data->data.u.lines_data.chunks = src->data;
> > +    jpeg_data->data.u.lines_data.stride = src->stride;
> > +    if ((src->flags & SPICE_BITMAP_FLAGS_TOP_DOWN)) {
> > +        jpeg_data->data.u.lines_data.next = 0;
> > +        jpeg_data->data.u.lines_data.reverse = 0;
> > +        stride = src->stride;
> > +    } else {
> > +        jpeg_data->data.u.lines_data.next = src->data->num_chunks - 1;
> > +        jpeg_data->data.u.lines_data.reverse = 1;
> > +        stride = -src->stride;
> > +    }
> > +    jpeg_size = jpeg_encode(jpeg, dcc->jpeg_quality, jpeg_in_type,
> > +                            src->x, src->y, NULL,
> > +                            0, stride,
> > jpeg_data->data.bufs_head->buf.bytes,
> > +                            sizeof(jpeg_data->data.bufs_head->buf));
> > +
> > +    // the compressed buffer is bigger than the original data
> > +    if (jpeg_size > (src->y * src->stride)) {
> > +        longjmp(jpeg_data->data.jmp_env, 1);
> > +    }
> > +
> > +    if (!has_alpha) {
> > +        dest->descriptor.type = SPICE_IMAGE_TYPE_JPEG;
> > +        dest->u.jpeg.data_size = jpeg_size;
> > +
> > +        o_comp_data->comp_buf = jpeg_data->data.bufs_head;
> > +        o_comp_data->comp_buf_size = jpeg_size;
> > +        o_comp_data->is_lossy = TRUE;
> > +
> > +        stat_compress_add(&DCC_TO_DC(dcc)->jpeg_stat, start_time,
> > src->stride
> > * src->y,
> > +                          o_comp_data->comp_buf_size);
> > +        return TRUE;
> > +    }
> > +
> > +    lz_data->data.bufs_head = jpeg_data->data.bufs_tail;
> > +    lz_data->data.bufs_tail = lz_data->data.bufs_head;
> > +
> > +    comp_head_filled = jpeg_size % sizeof(lz_data->data.bufs_head->buf);
> > +    comp_head_left = sizeof(lz_data->data.bufs_head->buf) -
> > comp_head_filled;
> > +    lz_out_start_byte = lz_data->data.bufs_head->buf.bytes +
> > comp_head_filled;
> > +
> > +    lz_data->data.dcc = dcc;
> > +
> > +    lz_data->data.u.lines_data.chunks = src->data;
> > +    lz_data->data.u.lines_data.stride = src->stride;
> > +    lz_data->data.u.lines_data.next = 0;
> > +    lz_data->data.u.lines_data.reverse = 0;
> > +
> > +    alpha_lz_size = lz_encode(lz, LZ_IMAGE_TYPE_XXXA, src->x, src->y,
> > +                               !!(src->flags &
> > SPICE_BITMAP_FLAGS_TOP_DOWN),
> > +                               NULL, 0, src->stride,
> > +                               lz_out_start_byte,
> > +                               comp_head_left);
> > +
> > +    // the compressed buffer is bigger than the original data
> > +    if ((jpeg_size + alpha_lz_size) > (src->y * src->stride)) {
> > +        longjmp(jpeg_data->data.jmp_env, 1);
> > +    }
> > +
> > +    dest->descriptor.type = SPICE_IMAGE_TYPE_JPEG_ALPHA;
> > +    dest->u.jpeg_alpha.flags = 0;
> > +    if (src->flags & SPICE_BITMAP_FLAGS_TOP_DOWN) {
> > +        dest->u.jpeg_alpha.flags |= SPICE_JPEG_ALPHA_FLAGS_TOP_DOWN;
> > +    }
> > +
> > +    dest->u.jpeg_alpha.jpeg_size = jpeg_size;
> > +    dest->u.jpeg_alpha.data_size = jpeg_size + alpha_lz_size;
> > +
> > +    o_comp_data->comp_buf = jpeg_data->data.bufs_head;
> > +    o_comp_data->comp_buf_size = jpeg_size + alpha_lz_size;
> > +    o_comp_data->is_lossy = TRUE;
> > +    stat_compress_add(&DCC_TO_DC(dcc)->jpeg_alpha_stat, start_time, src
> > ->stride * src->y,
> > +                      o_comp_data->comp_buf_size);
> > +    return TRUE;
> > +}
> > +
> > +#ifdef USE_LZ4
> > +int dcc_compress_image_lz4(DisplayChannelClient *dcc, SpiceImage *dest,
> > +                           SpiceBitmap *src, compress_send_data_t*
> > o_comp_data,
> > +                           uint32_t group_id)
> > +{
> > +    DisplayChannel *display_channel = DCC_TO_DC(dcc);
> > +    Lz4Data *lz4_data = &dcc->lz4_data;
> > +    Lz4EncoderContext *lz4 = dcc->lz4;
> > +    int lz4_size = 0;
> > +
> > +#ifdef COMPRESS_STAT
> > +    stat_time_t start_time = stat_now(display_channel->lz4_stat.clock);
> > +#endif
> > +
> > +    lz4_data->data.bufs_tail = compress_buf_new();
> > +    lz4_data->data.bufs_head = lz4_data->data.bufs_tail;
> > +
> > +    if (!lz4_data->data.bufs_head) {
> > +        spice_warning("failed to allocate compress buffer");
> > +        return FALSE;
> > +    }
> > +
> > +    lz4_data->data.bufs_head->send_next = NULL;
> > +    lz4_data->data.dcc = dcc;
> > +
> > +    if (setjmp(lz4_data->data.jmp_env)) {
> > +        while (lz4_data->data.bufs_head) {
> > +            RedCompressBuf *buf = lz4_data->data.bufs_head;
> > +            lz4_data->data.bufs_head = buf->send_next;
> > +            compress_buf_free(buf);
> > +        }
> > +        return FALSE;
> > +    }
> > +
> > +    if (src->data->flags & SPICE_CHUNKS_FLAGS_UNSTABLE) {
> > +        spice_chunks_linearize(src->data);
> > +    }
> > +
> > +    lz4_data->data.u.lines_data.chunks = src->data;
> > +    lz4_data->data.u.lines_data.stride = src->stride;
> > +    lz4_data->data.u.lines_data.next = 0;
> > +    lz4_data->data.u.lines_data.reverse = 0;
> > +
> > +    lz4_size = lz4_encode(lz4, src->y, src->stride,
> > lz4_data->data.bufs_head
> > ->buf.bytes,
> > +                          sizeof(lz4_data->data.bufs_head->buf),
> > +                          src->flags & SPICE_BITMAP_FLAGS_TOP_DOWN, src
> > ->format);
> > +
> > +    // the compressed buffer is bigger than the original data
> > +    if (lz4_size > (src->y * src->stride)) {
> > +        longjmp(lz4_data->data.jmp_env, 1);
> > +    }
> > +
> > +    dest->descriptor.type = SPICE_IMAGE_TYPE_LZ4;
> > +    dest->u.lz4.data_size = lz4_size;
> > +
> > +    o_comp_data->comp_buf = lz4_data->data.bufs_head;
> > +    o_comp_data->comp_buf_size = lz4_size;
> > +
> > +    stat_compress_add(&display_channel->lz4_stat, start_time, src->stride
> > *
> > src->y,
> > +                      o_comp_data->comp_buf_size);
> > +    return TRUE;
> > +}
> > +#endif
> > +
> > +int dcc_compress_image_quic(DisplayChannelClient *dcc, SpiceImage *dest,
> > +                            SpiceBitmap *src, compress_send_data_t*
> > o_comp_data,
> > +                            uint32_t group_id)
> > +{
> > +    QuicData *quic_data = &dcc->quic_data;
> > +    QuicContext *quic = dcc->quic;
> > +    volatile QuicImageType type;
> > +    int size, stride;
> > +
> > +#ifdef COMPRESS_STAT
> > +    stat_time_t start_time = stat_now(DCC_TO_DC(dcc)->quic_stat.clock);
> > +#endif
> > +
> > +    switch (src->format) {
> > +    case SPICE_BITMAP_FMT_32BIT:
> > +        type = QUIC_IMAGE_TYPE_RGB32;
> > +        break;
> > +    case SPICE_BITMAP_FMT_RGBA:
> > +        type = QUIC_IMAGE_TYPE_RGBA;
> > +        break;
> > +    case SPICE_BITMAP_FMT_16BIT:
> > +        type = QUIC_IMAGE_TYPE_RGB16;
> > +        break;
> > +    case SPICE_BITMAP_FMT_24BIT:
> > +        type = QUIC_IMAGE_TYPE_RGB24;
> > +        break;
> > +    default:
> > +        return FALSE;
> > +    }
> > +
> > +    quic_data->data.bufs_tail = compress_buf_new();
> > +    quic_data->data.bufs_head = quic_data->data.bufs_tail;
> > +    quic_data->data.dcc = dcc;
> > +
> > +    if (setjmp(quic_data->data.jmp_env)) {
> > +        while (quic_data->data.bufs_head) {
> > +            RedCompressBuf *buf = quic_data->data.bufs_head;
> > +            quic_data->data.bufs_head = buf->send_next;
> > +            compress_buf_free(buf);
> > +        }
> > +        return FALSE;
> > +    }
> > +
> > +    if (src->data->flags & SPICE_CHUNKS_FLAGS_UNSTABLE) {
> > +        spice_chunks_linearize(src->data);
> > +    }
> > +
> > +    quic_data->data.u.lines_data.chunks = src->data;
> > +    quic_data->data.u.lines_data.stride = src->stride;
> > +    if ((src->flags & SPICE_BITMAP_FLAGS_TOP_DOWN)) {
> > +        quic_data->data.u.lines_data.next = 0;
> > +        quic_data->data.u.lines_data.reverse = 0;
> > +        stride = src->stride;
> > +    } else {
> > +        quic_data->data.u.lines_data.next = src->data->num_chunks - 1;
> > +        quic_data->data.u.lines_data.reverse = 1;
> > +        stride = -src->stride;
> > +    }
> > +    size = quic_encode(quic, type, src->x, src->y, NULL, 0, stride,
> > +                       quic_data->data.bufs_head->buf.words,
> > +
> > G_N_ELEMENTS(quic_data->data.bufs_head->buf.words));
> > +
> > +    // the compressed buffer is bigger than the original data
> > +    if ((size << 2) > (src->y * src->stride)) {
> > +        longjmp(quic_data->data.jmp_env, 1);
> > +    }
> > +
> > +    dest->descriptor.type = SPICE_IMAGE_TYPE_QUIC;
> > +    dest->u.quic.data_size = size << 2;
> > +
> > +    o_comp_data->comp_buf = quic_data->data.bufs_head;
> > +    o_comp_data->comp_buf_size = size << 2;
> > +
> > +    stat_compress_add(&DCC_TO_DC(dcc)->quic_stat, start_time, src->stride
> > *
> > src->y,
> > +                      o_comp_data->comp_buf_size);
> > +    return TRUE;
> > +}
> > +
> > +#define MIN_SIZE_TO_COMPRESS 54
> > +#define MIN_DIMENSION_TO_QUIC 3
> > +int dcc_compress_image(DisplayChannelClient *dcc,
> > +                       SpiceImage *dest, SpiceBitmap *src, Drawable
> > *drawable,
> > +                       int can_lossy,
> > +                       compress_send_data_t* o_comp_data)
> > +{
> > +    DisplayChannel *display_channel = DCC_TO_DC(dcc);
> > +    SpiceImageCompression image_compression = dcc->image_compression;
> > +    int quic_compress = FALSE;
> > +
> > +    if ((image_compression == SPICE_IMAGE_COMPRESSION_OFF) ||
> > +        ((src->y * src->stride) < MIN_SIZE_TO_COMPRESS)) { // TODO: change
> > the size cond
> > +        return FALSE;
> > +    } else if (image_compression == SPICE_IMAGE_COMPRESSION_QUIC) {
> > +        if (bitmap_fmt_is_plt(src->format)) {
> > +            return FALSE;
> > +        } else {
> > +            quic_compress = TRUE;
> > +        }
> > +    } else {
> > +        /*
> > +            lz doesn't handle (1) bitmaps with strides that are larger
> > than
> > the width
> > +            of the image in bytes (2) unstable bitmaps
> > +        */
> > +        if (bitmap_has_extra_stride(src) || (src->data->flags &
> > SPICE_CHUNKS_FLAGS_UNSTABLE)) {
> > +            if ((image_compression == SPICE_IMAGE_COMPRESSION_LZ) ||
> > +                (image_compression == SPICE_IMAGE_COMPRESSION_GLZ) ||
> > +                (image_compression == SPICE_IMAGE_COMPRESSION_LZ4) ||
> > +                bitmap_fmt_is_plt(src->format)) {
> > +                return FALSE;
> > +            } else {
> > +                quic_compress = TRUE;
> > +            }
> > +        } else {
> > +            if ((image_compression == SPICE_IMAGE_COMPRESSION_AUTO_LZ) ||
> > +                (image_compression == SPICE_IMAGE_COMPRESSION_AUTO_GLZ)) {
> > +                if ((src->x < MIN_DIMENSION_TO_QUIC) || (src->y <
> > MIN_DIMENSION_TO_QUIC)) {
> > +                    quic_compress = FALSE;
> > +                } else {
> > +                    if (drawable->copy_bitmap_graduality ==
> > BITMAP_GRADUAL_INVALID) {
> > +                        quic_compress = bitmap_fmt_has_graduality(src
> > ->format) &&
> > +                            bitmap_get_graduality_level(src) ==
> > BITMAP_GRADUAL_HIGH;
> > +                    } else {
> > +                        quic_compress = (drawable->copy_bitmap_graduality
> > ==
> > BITMAP_GRADUAL_HIGH);
> > +                    }
> > +                }
> > +            } else {
> > +                quic_compress = FALSE;
> > +            }
> > +        }
> > +    }
> > +
> > +    if (quic_compress) {
> > +#ifdef COMPRESS_DEBUG
> > +        spice_info("QUIC compress");
> > +#endif
> > +        // if bitmaps is picture-like, compress it using jpeg
> > +        if (can_lossy && display_channel->enable_jpeg &&
> > +            ((image_compression == SPICE_IMAGE_COMPRESSION_AUTO_LZ) ||
> > +            (image_compression == SPICE_IMAGE_COMPRESSION_AUTO_GLZ))) {
> > +            // if we use lz for alpha, the stride can't be extra
> > +            if (src->format != SPICE_BITMAP_FMT_RGBA ||
> > !bitmap_has_extra_stride(src)) {
> > +                return dcc_compress_image_jpeg(dcc, dest,
> > +                                               src, o_comp_data, drawable
> > ->group_id);
> > +            }
> > +        }
> > +        return dcc_compress_image_quic(dcc, dest,
> > +                                       src, o_comp_data,
> > drawable->group_id);
> > +    } else {
> > +        int glz;
> > +        int ret;
> > +        if ((image_compression == SPICE_IMAGE_COMPRESSION_AUTO_GLZ) ||
> > +            (image_compression == SPICE_IMAGE_COMPRESSION_GLZ)) {
> > +            glz = bitmap_fmt_has_graduality(src->format) && (
> > +                    (src->x * src->y) < glz_enc_dictionary_get_size(
> > +                        dcc->glz_dict->dict));
> > +        } else if ((image_compression == SPICE_IMAGE_COMPRESSION_AUTO_LZ)
> > ||
> > +                   (image_compression == SPICE_IMAGE_COMPRESSION_LZ) ||
> > +                   (image_compression == SPICE_IMAGE_COMPRESSION_LZ4)) {
> > +            glz = FALSE;
> > +        } else {
> > +            spice_error("invalid image compression type %u",
> > image_compression);
> > +            return FALSE;
> > +        }
> > +
> > +        if (glz) {
> > +            /* using the global dictionary only if it is not frozen */
> > +            pthread_rwlock_rdlock(&dcc->glz_dict->encode_lock);
> > +            if (!dcc->glz_dict->migrate_freeze) {
> > +                ret = dcc_compress_image_glz(dcc,
> > +                                             dest, src,
> > +                                             drawable, o_comp_data);
> > +            } else {
> > +                glz = FALSE;
> > +            }
> > +            pthread_rwlock_unlock(&dcc->glz_dict->encode_lock);
> > +        }
> > +
> > +        if (!glz) {
> > +#ifdef USE_LZ4
> > +            if (image_compression == SPICE_IMAGE_COMPRESSION_LZ4 &&
> > +                bitmap_fmt_is_rgb(src->format) &&
> > +                red_channel_client_test_remote_cap(&dcc->common.base,
> > +                        SPICE_DISPLAY_CAP_LZ4_COMPRESSION)) {
> > +                ret = dcc_compress_image_lz4(dcc, dest, src, o_comp_data,
> > +                                             drawable->group_id);
> > +            } else
> > +#endif
> > +                ret = dcc_compress_image_lz(dcc, dest, src, o_comp_data,
> > +                                            drawable->group_id);
> > +#ifdef COMPRESS_DEBUG
> > +            spice_info("LZ LOCAL compress");
> > +#endif
> > +        }
> > +#ifdef COMPRESS_DEBUG
> > +        else {
> > +            spice_info("LZ global compress fmt=%d", src->format);
> > +        }
> > +#endif
> > +        return ret;
> > +    }
> > +}
> > +
> > +#define CLIENT_PALETTE_CACHE
> > +#include "cache_item.tmpl.c"
> > +#undef CLIENT_PALETTE_CACHE
> > +
> > +void dcc_palette_cache_palette(DisplayChannelClient *dcc, SpicePalette
> > *palette,
> > +                               uint8_t *flags)
> > +{
> > +    if (palette == NULL) {
> > +        return;
> > +    }
> > +    if (palette->unique) {
> > +        if (red_palette_cache_find(dcc, palette->unique)) {
> > +            *flags |= SPICE_BITMAP_FLAGS_PAL_FROM_CACHE;
> > +            return;
> > +        }
> > +        if (red_palette_cache_add(dcc, palette->unique, 1)) {
> > +            *flags |= SPICE_BITMAP_FLAGS_PAL_CACHE_ME;
> > +        }
> > +    }
> > +}
> > +
> > +void dcc_palette_cache_reset(DisplayChannelClient *dcc)
> > +{
> > +    red_palette_cache_reset(dcc, CLIENT_PALETTE_CACHE_SIZE);
> > +}
> > diff --git a/server/dcc.h b/server/dcc.h
> > index a6ca9be..7827f72 100644
> > --- a/server/dcc.h
> > +++ b/server/dcc.h
> > @@ -163,5 +163,36 @@ ImageItem *                dcc_add_surface_area_image
> >             (DisplayCha
> >                                                                       
> >  SpiceRect *area,
> >                                                                       
> >  PipeItem *pos,
> >                                                                        int
> > can_lossy);
> > +void                       dcc_palette_cache_reset
> >  (DisplayChannelClient *dcc);
> > +void                       dcc_palette_cache_palette
> >  (DisplayChannelClient *dcc,
> > +
> >  SpicePalette *palette,
> > +
> > uint8_t
> > *flags);
> > +
> > +typedef struct compress_send_data_t {
> > +    void*    comp_buf;
> > +    uint32_t comp_buf_size;
> > +    SpicePalette *lzplt_palette;
> > +    int is_lossy;
> > +} compress_send_data_t;
> > +
> > +int                        dcc_compress_image
> >  (DisplayChannelClient *dcc,
> > +
> >  SpiceImage *dest, SpiceBitmap *src, Drawable *drawable,
> > +                                                                      int
> > can_lossy,
> > +
> >  compress_send_data_t* o_comp_data);
> > +int                        dcc_compress_image_glz
> >  (DisplayChannelClient *dcc,
> > +
> >  SpiceImage *dest, SpiceBitmap *src, Drawable *drawable,
> > +
> >  compress_send_data_t* o_comp_data);
> > +int                        dcc_compress_image_lz
> >  (DisplayChannelClient *dcc,
> > +
> >  SpiceImage *dest, SpiceBitmap *src,
> > +
> >  compress_send_data_t* o_comp_data, uint32_t group_id);
> > +int                        dcc_compress_image_jpeg
> >  (DisplayChannelClient *dcc, SpiceImage *dest,
> > +
> >  SpiceBitmap *src, compress_send_data_t* o_comp_data,
> > +
> >  uint32_t group_id);
> > +int                        dcc_compress_image_quic
> >  (DisplayChannelClient *dcc, SpiceImage *dest,
> > +
> >  SpiceBitmap *src, compress_send_data_t* o_comp_data,
> > +
> >  uint32_t group_id);
> > +int                        dcc_compress_image_lz4
> >  (DisplayChannelClient *dcc, SpiceImage *dest,
> > +
> >  SpiceBitmap *src, compress_send_data_t* o_comp_data,
> > +
> >  uint32_t group_id);
> >  
> >  #endif /* DCC_H_ */
> > diff --git a/server/display-channel.h b/server/display-channel.h
> > index 7f3949f..111e014 100644
> > --- a/server/display-channel.h
> > +++ b/server/display-channel.h
> > @@ -91,6 +91,10 @@ struct Drawable {
> >  #define DRAWABLE_FOREACH_DPI_SAFE(drawable, link, next, dpi)            \
> >      SAFE_FOREACH(link, next, drawable,  &(drawable)->pipes, dpi,
> > LINK_TO_DPI(link))
> >  
> > +#define LINK_TO_GLZ(ptr) SPICE_CONTAINEROF((ptr), RedGlzDrawable, \
> > +                                           drawable_link)
> > +#define DRAWABLE_FOREACH_GLZ_SAFE(drawable, link, next, glz) \
> > +    SAFE_FOREACH(link, next, drawable, &(drawable)->glz_ring, glz,
> > LINK_TO_GLZ(link))
> >  
> >  enum {
> >      PIPE_ITEM_TYPE_DRAW = PIPE_ITEM_TYPE_COMMON_LAST,
> > diff --git a/server/red_parse_qxl.h b/server/red_parse_qxl.h
> > index 87862fa..b3b28e1 100644
> > --- a/server/red_parse_qxl.h
> > +++ b/server/red_parse_qxl.h
> > @@ -57,6 +57,12 @@ typedef struct RedDrawable {
> >      } u;
> >  } RedDrawable;
> >  
> > +static inline RedDrawable *red_drawable_ref(RedDrawable *drawable)
> > +{
> > +    drawable->refs++;
> > +    return drawable;
> > +}
> > +
> >  typedef struct RedUpdateCmd {
> >      QXLReleaseInfo *release_info;
> >      SpiceRect area;
> > diff --git a/server/red_worker.c b/server/red_worker.c
> > index eab00ff..d744f48 100644
> > --- a/server/red_worker.c
> > +++ b/server/red_worker.c
> > @@ -73,12 +73,6 @@
> >  #define CMD_RING_POLL_RETRIES 200
> >  
> >  #define DISPLAY_CLIENT_SHORT_TIMEOUT 15000000000ULL //nano
> > -#define DISPLAY_CLIENT_MIGRATE_DATA_TIMEOUT 10000000000ULL //nano, 10 sec
> > -#define DISPLAY_CLIENT_RETRY_INTERVAL 10000 //micro
> > -
> > -#define DISPLAY_FREE_LIST_DEFAULT_SIZE 128
> > -
> > -#define MIN_GLZ_SIZE_FOR_ZLIB 100
> >  
> >  #define VALIDATE_SURFACE_RET(worker, surface_id) \
> >      if (!validate_surface(worker, surface_id)) { \
> > @@ -202,13 +196,6 @@ static void red_create_surface(DisplayChannel
> > *display,
> > uint32_t surface_id, uin
> >                                 uint32_t height, int32_t stride, uint32_t
> > format,
> >                                 void *line_0, int data_is_valid, int
> > send_client);
> >  
> > -
> > -#define LINK_TO_GLZ(ptr) SPICE_CONTAINEROF((ptr), RedGlzDrawable, \
> > -                                           drawable_link)
> > -#define DRAWABLE_FOREACH_GLZ_SAFE(drawable, link, next, glz) \
> > -    SAFE_FOREACH(link, next, drawable, &(drawable)->glz_ring, glz,
> > LINK_TO_GLZ(link))
> > -
> > -
> >  static void display_stream_clip_unref(DisplayChannel *display,
> >  StreamClipItem
> > *item)
> >  {
> >      if (--item->refs != 0)
> > @@ -545,14 +532,6 @@ static void common_release_recv_buf(RedChannelClient
> > *rcc, uint16_t type, uint32
> >      }
> >  }
> >  
> > -#define CLIENT_PALETTE_CACHE
> > -#include "cache_item.tmpl.c"
> > -#undef CLIENT_PALETTE_CACHE
> > -
> > -static void red_reset_palette_cache(DisplayChannelClient *dcc)
> > -{
> > -    red_palette_cache_reset(dcc, CLIENT_PALETTE_CACHE_SIZE);
> > -}
> >  
> >  static Drawable* drawable_try_new(DisplayChannel *display)
> >  {
> > @@ -592,13 +571,6 @@ static inline void
> > set_surface_release_info(QXLReleaseInfoExt *release_info_ext,
> >      release_info_ext->group_id = group_id;
> >  }
> >  
> > -static RedDrawable *red_drawable_ref(RedDrawable *drawable)
> > -{
> > -    drawable->refs++;
> > -    return drawable;
> > -}
> > -
> > -
> >  static void red_drawable_unref(RedWorker *worker, RedDrawable
> >  *red_drawable,
> >                                 uint32_t group_id)
> >  {
> > @@ -2032,79 +2004,6 @@ static void fill_base(SpiceMarshaller
> > *base_marshaller,
> > Drawable *drawable)
> >      spice_marshall_DisplayBase(base_marshaller, &base);
> >  }
> >  
> > -static inline void fill_palette(DisplayChannelClient *dcc,
> > -                                SpicePalette *palette,
> > -                                uint8_t *flags)
> > -{
> > -    if (palette == NULL) {
> > -        return;
> > -    }
> > -    if (palette->unique) {
> > -        if (red_palette_cache_find(dcc, palette->unique)) {
> > -            *flags |= SPICE_BITMAP_FLAGS_PAL_FROM_CACHE;
> > -            return;
> > -        }
> > -        if (red_palette_cache_add(dcc, palette->unique, 1)) {
> > -            *flags |= SPICE_BITMAP_FLAGS_PAL_CACHE_ME;
> > -        }
> > -    }
> > -}
> > -
> > -/******************************************************
> > - *      Global lz red drawables routines
> > -*******************************************************/
> > -
> > -/* if already exists, returns it. Otherwise allocates and adds it (1) to
> > the
> > ring tail
> > -   in the channel (2) to the Drawable*/
> > -static RedGlzDrawable *red_display_get_glz_drawable(DisplayChannelClient
> > *dcc, Drawable *drawable)
> > -{
> > -    RedGlzDrawable *ret;
> > -    RingItem *item, *next;
> > -
> > -    // TODO - I don't really understand what's going on here, so doing the
> > technical equivalent
> > -    // now that we have multiple glz_dicts, so the only way to go from dcc
> > to
> > drawable glz is to go
> > -    // over the glz_ring (unless adding some better data structure then a
> > ring)
> > -    DRAWABLE_FOREACH_GLZ_SAFE(drawable, item, next, ret) {
> > -        if (ret->dcc == dcc) {
> > -            return ret;
> > -        }
> > -    }
> > -
> > -    ret = spice_new(RedGlzDrawable, 1);
> > -
> > -    ret->dcc = dcc;
> > -    ret->red_drawable = red_drawable_ref(drawable->red_drawable);
> > -    ret->drawable = drawable;
> > -    ret->group_id = drawable->group_id;
> > -    ret->instances_count = 0;
> > -    ring_init(&ret->instances);
> > -
> > -    ring_item_init(&ret->link);
> > -    ring_item_init(&ret->drawable_link);
> > -    ring_add_before(&ret->link, &dcc->glz_drawables);
> > -    ring_add(&drawable->glz_ring, &ret->drawable_link);
> > -    DCC_TO_DC(dcc)->glz_drawable_count++;
> > -    return ret;
> > -}
> > -
> > -/* allocates new instance and adds it to instances in the given drawable.
> > -   NOTE - the caller should set the glz_instance returned by the encoder
> > by
> > itself.*/
> > -static GlzDrawableInstanceItem
> > *red_display_add_glz_drawable_instance(RedGlzDrawable *glz_drawable)
> > -{
> > -    spice_assert(glz_drawable->instances_count <
> > MAX_GLZ_DRAWABLE_INSTANCES);
> > -    // NOTE: We assume the additions are performed consecutively, without
> > removals in the middle
> > -    GlzDrawableInstanceItem *ret = glz_drawable->instances_pool +
> > glz_drawable->instances_count;
> > -    glz_drawable->instances_count++;
> > -
> > -    ring_item_init(&ret->free_link);
> > -    ring_item_init(&ret->glz_link);
> > -    ring_add(&glz_drawable->instances, &ret->glz_link);
> > -    ret->context = NULL;
> > -    ret->glz_drawable = glz_drawable;
> > -
> > -    return ret;
> > -}
> > -
> >  /* Remove from the to_free list and the instances_list.
> >     When no instance is left - the RedGlzDrawable is released too. (and the
> > qxl drawable too, if
> >     it is not used by Drawable).
> > @@ -2261,565 +2160,6 @@ static int
> > red_display_free_some_independent_glz_drawables(DisplayChannelClient
> >      return n;
> >  }
> >  
> > -typedef struct compress_send_data_t {
> > -    void*    comp_buf;
> > -    uint32_t comp_buf_size;
> > -    SpicePalette *lzplt_palette;
> > -    int is_lossy;
> > -} compress_send_data_t;
> > -
> > -static inline int red_glz_compress_image(DisplayChannelClient *dcc,
> > -                                         SpiceImage *dest, SpiceBitmap
> > *src,
> > Drawable *drawable,
> > -                                         compress_send_data_t*
> > o_comp_data)
> > -{
> > -    DisplayChannel *display_channel = DCC_TO_DC(dcc);
> > -#ifdef COMPRESS_STAT
> > -    stat_time_t start_time =
> > stat_now(display_channel->zlib_glz_stat.clock);
> > -#endif
> > -    spice_assert(bitmap_fmt_is_rgb(src->format));
> > -    GlzData *glz_data = &dcc->glz_data;
> > -    ZlibData *zlib_data;
> > -    LzImageType type = MAP_BITMAP_FMT_TO_LZ_IMAGE_TYPE[src->format];
> > -    RedGlzDrawable *glz_drawable;
> > -    GlzDrawableInstanceItem *glz_drawable_instance;
> > -    int glz_size;
> > -    int zlib_size;
> > -
> > -    glz_data->data.bufs_tail = compress_buf_new();
> > -    glz_data->data.bufs_head = glz_data->data.bufs_tail;
> > -    glz_data->data.dcc = dcc;
> > -
> > -    glz_drawable = red_display_get_glz_drawable(dcc, drawable);
> > -    glz_drawable_instance =
> > red_display_add_glz_drawable_instance(glz_drawable);
> > -
> > -    glz_data->data.u.lines_data.chunks = src->data;
> > -    glz_data->data.u.lines_data.stride = src->stride;
> > -    glz_data->data.u.lines_data.next = 0;
> > -    glz_data->data.u.lines_data.reverse = 0;
> > -
> > -    glz_size = glz_encode(dcc->glz, type, src->x, src->y,
> > -                          (src->flags & SPICE_BITMAP_FLAGS_TOP_DOWN),
> > NULL,
> > 0,
> > -                          src->stride,
> > glz_data->data.bufs_head->buf.bytes,
> > -                          sizeof(glz_data->data.bufs_head->buf),
> > -                          glz_drawable_instance,
> > -                          &glz_drawable_instance->context);
> > -
> > -    stat_compress_add(&display_channel->glz_stat, start_time, src->stride
> > *
> > src->y, glz_size);
> > -
> > -    if (!display_channel->enable_zlib_glz_wrap || (glz_size <
> > MIN_GLZ_SIZE_FOR_ZLIB)) {
> > -        goto glz;
> > -    }
> > -#ifdef COMPRESS_STAT
> > -    start_time = stat_now(display_channel->zlib_glz_stat.clock);
> > -#endif
> > -    zlib_data = &dcc->zlib_data;
> > -
> > -    zlib_data->data.bufs_tail = compress_buf_new();
> > -    zlib_data->data.bufs_head = zlib_data->data.bufs_tail;
> > -    zlib_data->data.dcc = dcc;
> > -
> > -    zlib_data->data.u.compressed_data.next = glz_data->data.bufs_head;
> > -    zlib_data->data.u.compressed_data.size_left = glz_size;
> > -
> > -    zlib_size = zlib_encode(dcc->zlib, dcc->zlib_level,
> > -                            glz_size,
> > zlib_data->data.bufs_head->buf.bytes,
> > -                            sizeof(zlib_data->data.bufs_head->buf));
> > -
> > -    // the compressed buffer is bigger than the original data
> > -    if (zlib_size >= glz_size) {
> > -        while (zlib_data->data.bufs_head) {
> > -            RedCompressBuf *buf = zlib_data->data.bufs_head;
> > -            zlib_data->data.bufs_head = buf->send_next;
> > -            compress_buf_free(buf);
> > -        }
> > -        goto glz;
> > -    }
> > -
> > -    dest->descriptor.type = SPICE_IMAGE_TYPE_ZLIB_GLZ_RGB;
> > -    dest->u.zlib_glz.glz_data_size = glz_size;
> > -    dest->u.zlib_glz.data_size = zlib_size;
> > -
> > -    o_comp_data->comp_buf = zlib_data->data.bufs_head;
> > -    o_comp_data->comp_buf_size = zlib_size;
> > -
> > -    stat_compress_add(&display_channel->zlib_glz_stat, start_time,
> > glz_size,
> > zlib_size);
> > -    return TRUE;
> > -glz:
> > -    dest->descriptor.type = SPICE_IMAGE_TYPE_GLZ_RGB;
> > -    dest->u.lz_rgb.data_size = glz_size;
> > -
> > -    o_comp_data->comp_buf = glz_data->data.bufs_head;
> > -    o_comp_data->comp_buf_size = glz_size;
> > -
> > -    return TRUE;
> > -}
> > -
> > -static inline int red_lz_compress_image(DisplayChannelClient *dcc,
> > -                                        SpiceImage *dest, SpiceBitmap
> > *src,
> > -                                        compress_send_data_t* o_comp_data,
> > uint32_t group_id)
> > -{
> > -    LzData *lz_data = &dcc->lz_data;
> > -    LzContext *lz = dcc->lz;
> > -    LzImageType type = MAP_BITMAP_FMT_TO_LZ_IMAGE_TYPE[src->format];
> > -    int size;            // size of the compressed data
> > -
> > -#ifdef COMPRESS_STAT
> > -    stat_time_t start_time = stat_now(DCC_TO_DC(dcc)->lz_stat.clock);
> > -#endif
> > -
> > -    lz_data->data.bufs_tail = compress_buf_new();
> > -    lz_data->data.bufs_head = lz_data->data.bufs_tail;
> > -    lz_data->data.dcc = dcc;
> > -
> > -    if (setjmp(lz_data->data.jmp_env)) {
> > -        while (lz_data->data.bufs_head) {
> > -            RedCompressBuf *buf = lz_data->data.bufs_head;
> > -            lz_data->data.bufs_head = buf->send_next;
> > -            compress_buf_free(buf);
> > -        }
> > -        return FALSE;
> > -    }
> > -
> > -    lz_data->data.u.lines_data.chunks = src->data;
> > -    lz_data->data.u.lines_data.stride = src->stride;
> > -    lz_data->data.u.lines_data.next = 0;
> > -    lz_data->data.u.lines_data.reverse = 0;
> > -
> > -    size = lz_encode(lz, type, src->x, src->y,
> > -                     !!(src->flags & SPICE_BITMAP_FLAGS_TOP_DOWN),
> > -                     NULL, 0, src->stride,
> > -                     lz_data->data.bufs_head->buf.bytes,
> > -                     sizeof(lz_data->data.bufs_head->buf));
> > -
> > -    // the compressed buffer is bigger than the original data
> > -    if (size > (src->y * src->stride)) {
> > -        longjmp(lz_data->data.jmp_env, 1);
> > -    }
> > -
> > -    if (bitmap_fmt_is_rgb(src->format)) {
> > -        dest->descriptor.type = SPICE_IMAGE_TYPE_LZ_RGB;
> > -        dest->u.lz_rgb.data_size = size;
> > -
> > -        o_comp_data->comp_buf = lz_data->data.bufs_head;
> > -        o_comp_data->comp_buf_size = size;
> > -    } else {
> > -        /* masks are 1BIT bitmaps without palettes, but they are not
> > compressed
> > -         * (see fill_mask) */
> > -        spice_assert(src->palette);
> > -        dest->descriptor.type = SPICE_IMAGE_TYPE_LZ_PLT;
> > -        dest->u.lz_plt.data_size = size;
> > -        dest->u.lz_plt.flags = src->flags & SPICE_BITMAP_FLAGS_TOP_DOWN;
> > -        dest->u.lz_plt.palette = src->palette;
> > -        dest->u.lz_plt.palette_id = src->palette->unique;
> > -        o_comp_data->comp_buf = lz_data->data.bufs_head;
> > -        o_comp_data->comp_buf_size = size;
> > -
> > -        fill_palette(dcc, dest->u.lz_plt.palette,
> > &(dest->u.lz_plt.flags));
> > -        o_comp_data->lzplt_palette = dest->u.lz_plt.palette;
> > -    }
> > -
> > -    stat_compress_add(&DCC_TO_DC(dcc)->lz_stat, start_time, src->stride *
> > src
> > ->y,
> > -                      o_comp_data->comp_buf_size);
> > -    return TRUE;
> > -}
> > -
> > -static int red_jpeg_compress_image(DisplayChannelClient *dcc, SpiceImage
> > *dest,
> > -                                   SpiceBitmap *src, compress_send_data_t*
> > o_comp_data,
> > -                                   uint32_t group_id)
> > -{
> > -    JpegData *jpeg_data = &dcc->jpeg_data;
> > -    LzData *lz_data = &dcc->lz_data;
> > -    JpegEncoderContext *jpeg = dcc->jpeg;
> > -    LzContext *lz = dcc->lz;
> > -    volatile JpegEncoderImageType jpeg_in_type;
> > -    int jpeg_size = 0;
> > -    volatile int has_alpha = FALSE;
> > -    int alpha_lz_size = 0;
> > -    int comp_head_filled;
> > -    int comp_head_left;
> > -    int stride;
> > -    uint8_t *lz_out_start_byte;
> > -
> > -#ifdef COMPRESS_STAT
> > -    stat_time_t start_time =
> > stat_now(DCC_TO_DC(dcc)->jpeg_alpha_stat.clock);
> > -#endif
> > -    switch (src->format) {
> > -    case SPICE_BITMAP_FMT_16BIT:
> > -        jpeg_in_type = JPEG_IMAGE_TYPE_RGB16;
> > -        break;
> > -    case SPICE_BITMAP_FMT_24BIT:
> > -        jpeg_in_type = JPEG_IMAGE_TYPE_BGR24;
> > -        break;
> > -    case SPICE_BITMAP_FMT_32BIT:
> > -        jpeg_in_type = JPEG_IMAGE_TYPE_BGRX32;
> > -        break;
> > -    case SPICE_BITMAP_FMT_RGBA:
> > -        jpeg_in_type = JPEG_IMAGE_TYPE_BGRX32;
> > -        has_alpha = TRUE;
> > -        break;
> > -    default:
> > -        return FALSE;
> > -    }
> > -
> > -    jpeg_data->data.bufs_tail = compress_buf_new();
> > -    jpeg_data->data.bufs_head = jpeg_data->data.bufs_tail;
> > -    jpeg_data->data.dcc = dcc;
> > -
> > -    if (setjmp(jpeg_data->data.jmp_env)) {
> > -        while (jpeg_data->data.bufs_head) {
> > -            RedCompressBuf *buf = jpeg_data->data.bufs_head;
> > -            jpeg_data->data.bufs_head = buf->send_next;
> > -            compress_buf_free(buf);
> > -        }
> > -        return FALSE;
> > -    }
> > -
> > -    if (src->data->flags & SPICE_CHUNKS_FLAGS_UNSTABLE) {
> > -        spice_chunks_linearize(src->data);
> > -    }
> > -
> > -    jpeg_data->data.u.lines_data.chunks = src->data;
> > -    jpeg_data->data.u.lines_data.stride = src->stride;
> > -    if ((src->flags & SPICE_BITMAP_FLAGS_TOP_DOWN)) {
> > -        jpeg_data->data.u.lines_data.next = 0;
> > -        jpeg_data->data.u.lines_data.reverse = 0;
> > -        stride = src->stride;
> > -    } else {
> > -        jpeg_data->data.u.lines_data.next = src->data->num_chunks - 1;
> > -        jpeg_data->data.u.lines_data.reverse = 1;
> > -        stride = -src->stride;
> > -    }
> > -    jpeg_size = jpeg_encode(jpeg, dcc->jpeg_quality, jpeg_in_type,
> > -                            src->x, src->y, NULL,
> > -                            0, stride,
> > jpeg_data->data.bufs_head->buf.bytes,
> > -                            sizeof(jpeg_data->data.bufs_head->buf));
> > -
> > -    // the compressed buffer is bigger than the original data
> > -    if (jpeg_size > (src->y * src->stride)) {
> > -        longjmp(jpeg_data->data.jmp_env, 1);
> > -    }
> > -
> > -    if (!has_alpha) {
> > -        dest->descriptor.type = SPICE_IMAGE_TYPE_JPEG;
> > -        dest->u.jpeg.data_size = jpeg_size;
> > -
> > -        o_comp_data->comp_buf = jpeg_data->data.bufs_head;
> > -        o_comp_data->comp_buf_size = jpeg_size;
> > -        o_comp_data->is_lossy = TRUE;
> > -
> > -        stat_compress_add(&DCC_TO_DC(dcc)->jpeg_stat, start_time,
> > src->stride
> > * src->y,
> > -                          o_comp_data->comp_buf_size);
> > -        return TRUE;
> > -    }
> > -
> > -    lz_data->data.bufs_head = jpeg_data->data.bufs_tail;
> > -    lz_data->data.bufs_tail = lz_data->data.bufs_head;
> > -
> > -    comp_head_filled = jpeg_size % sizeof(lz_data->data.bufs_head->buf);
> > -    comp_head_left = sizeof(lz_data->data.bufs_head->buf) -
> > comp_head_filled;
> > -    lz_out_start_byte = lz_data->data.bufs_head->buf.bytes +
> > comp_head_filled;
> > -
> > -    lz_data->data.dcc = dcc;
> > -
> > -    lz_data->data.u.lines_data.chunks = src->data;
> > -    lz_data->data.u.lines_data.stride = src->stride;
> > -    lz_data->data.u.lines_data.next = 0;
> > -    lz_data->data.u.lines_data.reverse = 0;
> > -
> > -    alpha_lz_size = lz_encode(lz, LZ_IMAGE_TYPE_XXXA, src->x, src->y,
> > -                               !!(src->flags &
> > SPICE_BITMAP_FLAGS_TOP_DOWN),
> > -                               NULL, 0, src->stride,
> > -                               lz_out_start_byte,
> > -                               comp_head_left);
> > -
> > -    // the compressed buffer is bigger than the original data
> > -    if ((jpeg_size + alpha_lz_size) > (src->y * src->stride)) {
> > -        longjmp(jpeg_data->data.jmp_env, 1);
> > -    }
> > -
> > -    dest->descriptor.type = SPICE_IMAGE_TYPE_JPEG_ALPHA;
> > -    dest->u.jpeg_alpha.flags = 0;
> > -    if (src->flags & SPICE_BITMAP_FLAGS_TOP_DOWN) {
> > -        dest->u.jpeg_alpha.flags |= SPICE_JPEG_ALPHA_FLAGS_TOP_DOWN;
> > -    }
> > -
> > -    dest->u.jpeg_alpha.jpeg_size = jpeg_size;
> > -    dest->u.jpeg_alpha.data_size = jpeg_size + alpha_lz_size;
> > -
> > -    o_comp_data->comp_buf = jpeg_data->data.bufs_head;
> > -    o_comp_data->comp_buf_size = jpeg_size + alpha_lz_size;
> > -    o_comp_data->is_lossy = TRUE;
> > -    stat_compress_add(&DCC_TO_DC(dcc)->jpeg_alpha_stat, start_time, src
> > ->stride * src->y,
> > -                      o_comp_data->comp_buf_size);
> > -    return TRUE;
> > -}
> > -
> > -#ifdef USE_LZ4
> > -static int red_lz4_compress_image(DisplayChannelClient *dcc, SpiceImage
> > *dest,
> > -                                  SpiceBitmap *src, compress_send_data_t*
> > o_comp_data,
> > -                                  uint32_t group_id)
> > -{
> > -    Lz4Data *lz4_data = &dcc->lz4_data;
> > -    Lz4EncoderContext *lz4 = dcc->lz4;
> > -    int lz4_size = 0;
> > -
> > -#ifdef COMPRESS_STAT
> > -    stat_time_t start_time = stat_now(DCC_TO_DC(dcc)->lz4_stat.clock);
> > -#endif
> > -
> > -    lz4_data->data.bufs_tail = compress_buf_new();
> > -    lz4_data->data.bufs_head = lz4_data->data.bufs_tail;
> > -
> > -    if (!lz4_data->data.bufs_head) {
> > -        spice_warning("failed to allocate compress buffer");
> > -        return FALSE;
> > -    }
> > -
> > -    lz4_data->data.bufs_head->send_next = NULL;
> > -    lz4_data->data.dcc = dcc;
> > -
> > -    if (setjmp(lz4_data->data.jmp_env)) {
> > -        while (lz4_data->data.bufs_head) {
> > -            RedCompressBuf *buf = lz4_data->data.bufs_head;
> > -            lz4_data->data.bufs_head = buf->send_next;
> > -            compress_buf_free(buf);
> > -        }
> > -        return FALSE;
> > -    }
> > -
> > -    if (src->data->flags & SPICE_CHUNKS_FLAGS_UNSTABLE) {
> > -        spice_chunks_linearize(src->data);
> > -    }
> > -
> > -    lz4_data->data.u.lines_data.chunks = src->data;
> > -    lz4_data->data.u.lines_data.stride = src->stride;
> > -    lz4_data->data.u.lines_data.next = 0;
> > -    lz4_data->data.u.lines_data.reverse = 0;
> > -    /* fixme remove? lz4_data->usr.more_lines = lz4_usr_more_lines; */
> > -
> > -    lz4_size = lz4_encode(lz4, src->y, src->stride,
> > lz4_data->data.bufs_head
> > ->buf.bytes,
> > -                          sizeof(lz4_data->data.bufs_head->buf),
> > -                          src->flags & SPICE_BITMAP_FLAGS_TOP_DOWN, src
> > ->format);
> > -
> > -    // the compressed buffer is bigger than the original data
> > -    if (lz4_size > (src->y * src->stride)) {
> > -        longjmp(lz4_data->data.jmp_env, 1);
> > -    }
> > -
> > -    dest->descriptor.type = SPICE_IMAGE_TYPE_LZ4;
> > -    dest->u.lz4.data_size = lz4_size;
> > -
> > -    o_comp_data->comp_buf = lz4_data->data.bufs_head;
> > -    o_comp_data->comp_buf_size = lz4_size;
> > -
> > -    stat_compress_add(&DCC_TO_DC(dcc)->lz4_stat, start_time, src->stride *
> > src->y,
> > -                      o_comp_data->comp_buf_size);
> > -    return TRUE;
> > -}
> > -#endif
> > -
> > -static inline int red_quic_compress_image(DisplayChannelClient *dcc,
> > SpiceImage *dest,
> > -                                          SpiceBitmap *src,
> > compress_send_data_t* o_comp_data,
> > -                                          uint32_t group_id)
> > -{
> > -    QuicData *quic_data = &dcc->quic_data;
> > -    QuicContext *quic = dcc->quic;
> > -    volatile QuicImageType type;
> > -    int size, stride;
> > -
> > -#ifdef COMPRESS_STAT
> > -    stat_time_t start_time = stat_now(DCC_TO_DC(dcc)->quic_stat.clock);
> > -#endif
> > -
> > -    switch (src->format) {
> > -    case SPICE_BITMAP_FMT_32BIT:
> > -        type = QUIC_IMAGE_TYPE_RGB32;
> > -        break;
> > -    case SPICE_BITMAP_FMT_RGBA:
> > -        type = QUIC_IMAGE_TYPE_RGBA;
> > -        break;
> > -    case SPICE_BITMAP_FMT_16BIT:
> > -        type = QUIC_IMAGE_TYPE_RGB16;
> > -        break;
> > -    case SPICE_BITMAP_FMT_24BIT:
> > -        type = QUIC_IMAGE_TYPE_RGB24;
> > -        break;
> > -    default:
> > -        return FALSE;
> > -    }
> > -
> > -    quic_data->data.bufs_tail = compress_buf_new();
> > -    quic_data->data.bufs_head = quic_data->data.bufs_tail;
> > -    quic_data->data.dcc = dcc;
> > -
> > -    if (setjmp(quic_data->data.jmp_env)) {
> > -        while (quic_data->data.bufs_head) {
> > -            RedCompressBuf *buf = quic_data->data.bufs_head;
> > -            quic_data->data.bufs_head = buf->send_next;
> > -            compress_buf_free(buf);
> > -        }
> > -        return FALSE;
> > -    }
> > -
> > -    if (src->data->flags & SPICE_CHUNKS_FLAGS_UNSTABLE) {
> > -        spice_chunks_linearize(src->data);
> > -    }
> > -
> > -    quic_data->data.u.lines_data.chunks = src->data;
> > -    quic_data->data.u.lines_data.stride = src->stride;
> > -    if ((src->flags & SPICE_BITMAP_FLAGS_TOP_DOWN)) {
> > -        quic_data->data.u.lines_data.next = 0;
> > -        quic_data->data.u.lines_data.reverse = 0;
> > -        stride = src->stride;
> > -    } else {
> > -        quic_data->data.u.lines_data.next = src->data->num_chunks - 1;
> > -        quic_data->data.u.lines_data.reverse = 1;
> > -        stride = -src->stride;
> > -    }
> > -    size = quic_encode(quic, type, src->x, src->y, NULL, 0, stride,
> > -                       quic_data->data.bufs_head->buf.words,
> > -
> > G_N_ELEMENTS(quic_data->data.bufs_head->buf.words));
> > -
> > -    // the compressed buffer is bigger than the original data
> > -    if ((size << 2) > (src->y * src->stride)) {
> > -        longjmp(quic_data->data.jmp_env, 1);
> > -    }
> > -
> > -    dest->descriptor.type = SPICE_IMAGE_TYPE_QUIC;
> > -    dest->u.quic.data_size = size << 2;
> > -
> > -    o_comp_data->comp_buf = quic_data->data.bufs_head;
> > -    o_comp_data->comp_buf_size = size << 2;
> > -
> > -    stat_compress_add(&DCC_TO_DC(dcc)->quic_stat, start_time, src->stride
> > *
> > src->y,
> > -                      o_comp_data->comp_buf_size);
> > -    return TRUE;
> > -}
> > -
> > -#define MIN_SIZE_TO_COMPRESS 54
> > -#define MIN_DIMENSION_TO_QUIC 3
> > -static inline int red_compress_image(DisplayChannelClient *dcc,
> > -                                     SpiceImage *dest, SpiceBitmap *src,
> > Drawable *drawable,
> > -                                     int can_lossy,
> > -                                     compress_send_data_t* o_comp_data)
> > -{
> > -    DisplayChannel *display_channel = DCC_TO_DC(dcc);
> > -    SpiceImageCompression image_compression = dcc->image_compression;
> > -    int quic_compress = FALSE;
> > -
> > -    if ((image_compression == SPICE_IMAGE_COMPRESSION_OFF) ||
> > -        ((src->y * src->stride) < MIN_SIZE_TO_COMPRESS)) { // TODO: change
> > the size cond
> > -        return FALSE;
> > -    } else if (image_compression == SPICE_IMAGE_COMPRESSION_QUIC) {
> > -        if (bitmap_fmt_is_plt(src->format)) {
> > -            return FALSE;
> > -        } else {
> > -            quic_compress = TRUE;
> > -        }
> > -    } else {
> > -        /*
> > -            lz doesn't handle (1) bitmaps with strides that are larger
> > than
> > the width
> > -            of the image in bytes (2) unstable bitmaps
> > -        */
> > -        if (bitmap_has_extra_stride(src) || (src->data->flags &
> > SPICE_CHUNKS_FLAGS_UNSTABLE)) {
> > -            if ((image_compression == SPICE_IMAGE_COMPRESSION_LZ) ||
> > -                (image_compression == SPICE_IMAGE_COMPRESSION_GLZ) ||
> > -                (image_compression == SPICE_IMAGE_COMPRESSION_LZ4) ||
> > -                bitmap_fmt_is_plt(src->format)) {
> > -                return FALSE;
> > -            } else {
> > -                quic_compress = TRUE;
> > -            }
> > -        } else {
> > -            if ((image_compression == SPICE_IMAGE_COMPRESSION_AUTO_LZ) ||
> > -                (image_compression == SPICE_IMAGE_COMPRESSION_AUTO_GLZ)) {
> > -                if ((src->x < MIN_DIMENSION_TO_QUIC) || (src->y <
> > MIN_DIMENSION_TO_QUIC)) {
> > -                    quic_compress = FALSE;
> > -                } else {
> > -                    if (drawable->copy_bitmap_graduality ==
> > BITMAP_GRADUAL_INVALID) {
> > -                        quic_compress = bitmap_fmt_has_graduality(src
> > ->format) &&
> > -                            bitmap_get_graduality_level(src) ==
> > BITMAP_GRADUAL_HIGH;
> > -                    } else {
> > -                        quic_compress = (drawable->copy_bitmap_graduality
> > ==
> > BITMAP_GRADUAL_HIGH);
> > -                    }
> > -                }
> > -            } else {
> > -                quic_compress = FALSE;
> > -            }
> > -        }
> > -    }
> > -
> > -    if (quic_compress) {
> > -#ifdef COMPRESS_DEBUG
> > -        spice_info("QUIC compress");
> > -#endif
> > -        // if bitmaps is picture-like, compress it using jpeg
> > -        if (can_lossy && display_channel->enable_jpeg &&
> > -            ((image_compression == SPICE_IMAGE_COMPRESSION_AUTO_LZ) ||
> > -            (image_compression == SPICE_IMAGE_COMPRESSION_AUTO_GLZ))) {
> > -            // if we use lz for alpha, the stride can't be extra
> > -            if (src->format != SPICE_BITMAP_FMT_RGBA ||
> > !bitmap_has_extra_stride(src)) {
> > -                return red_jpeg_compress_image(dcc, dest,
> > -                                               src, o_comp_data, drawable
> > ->group_id);
> > -            }
> > -        }
> > -        return red_quic_compress_image(dcc, dest,
> > -                                       src, o_comp_data,
> > drawable->group_id);
> > -    } else {
> > -        int glz;
> > -        int ret;
> > -        if ((image_compression == SPICE_IMAGE_COMPRESSION_AUTO_GLZ) ||
> > -            (image_compression == SPICE_IMAGE_COMPRESSION_GLZ)) {
> > -            glz = bitmap_fmt_has_graduality(src->format) && (
> > -                    (src->x * src->y) < glz_enc_dictionary_get_size(
> > -                        dcc->glz_dict->dict));
> > -        } else if ((image_compression == SPICE_IMAGE_COMPRESSION_AUTO_LZ)
> > ||
> > -                   (image_compression == SPICE_IMAGE_COMPRESSION_LZ) ||
> > -                   (image_compression == SPICE_IMAGE_COMPRESSION_LZ4)) {
> > -            glz = FALSE;
> > -        } else {
> > -            spice_error("invalid image compression type %u",
> > image_compression);
> > -            return FALSE;
> > -        }
> > -
> > -        if (glz) {
> > -            /* using the global dictionary only if it is not frozen */
> > -            pthread_rwlock_rdlock(&dcc->glz_dict->encode_lock);
> > -            if (!dcc->glz_dict->migrate_freeze) {
> > -                ret = red_glz_compress_image(dcc,
> > -                                             dest, src,
> > -                                             drawable, o_comp_data);
> > -            } else {
> > -                glz = FALSE;
> > -            }
> > -            pthread_rwlock_unlock(&dcc->glz_dict->encode_lock);
> > -        }
> > -
> > -        if (!glz) {
> > -#ifdef USE_LZ4
> > -            if (image_compression == SPICE_IMAGE_COMPRESSION_LZ4 &&
> > -                bitmap_fmt_is_rgb(src->format) &&
> > -                red_channel_client_test_remote_cap(&dcc->common.base,
> > -                        SPICE_DISPLAY_CAP_LZ4_COMPRESSION)) {
> > -                ret = red_lz4_compress_image(dcc, dest, src, o_comp_data,
> > -                                             drawable->group_id);
> > -            } else
> > -#endif
> > -                ret = red_lz_compress_image(dcc, dest, src, o_comp_data,
> > -                                            drawable->group_id);
> > -#ifdef COMPRESS_DEBUG
> > -            spice_info("LZ LOCAL compress");
> > -#endif
> > -        }
> > -#ifdef COMPRESS_DEBUG
> > -        else {
> > -            spice_info("LZ global compress fmt=%d", src->format);
> > -        }
> > -#endif
> > -        return ret;
> > -    }
> > -}
> > -
> >  int dcc_pixmap_cache_unlocked_add(DisplayChannelClient *dcc, uint64_t id,
> > uint32_t size, int lossy)
> >  {
> >      PixmapCache *cache = dcc->pixmap_cache;
> > @@ -3043,7 +2383,7 @@ static FillBitsType fill_bits(DisplayChannelClient
> > *dcc,
> > SpiceMarshaller *m,
> >             in order to prevent starvation in the client between
> >             pixmap_cache
> > and
> >             global dictionary (in cases of multiple monitors) */
> >          if (reds_stream_get_family(rcc->stream) == AF_UNIX ||
> > -            !red_compress_image(dcc, &image, &simage->u.bitmap,
> > +            !dcc_compress_image(dcc, &image, &simage->u.bitmap,
> >                                  drawable, can_lossy, &comp_send_data)) {
> >              SpicePalette *palette;
> >  
> > @@ -3053,7 +2393,7 @@ static FillBitsType fill_bits(DisplayChannelClient
> > *dcc,
> > SpiceMarshaller *m,
> >              bitmap->flags = bitmap->flags & SPICE_BITMAP_FLAGS_TOP_DOWN;
> >  
> >              palette = bitmap->palette;
> > -            fill_palette(dcc, palette, &bitmap->flags);
> > +            dcc_palette_cache_palette(dcc, palette, &bitmap->flags);
> >              spice_marshall_Image(m, &image,
> >                                   &bitmap_palette_out, &lzplt_palette_out);
> >              spice_assert(lzplt_palette_out == NULL);
> > @@ -5021,11 +4361,11 @@ static void red_marshall_image(RedChannelClient
> > *rcc,
> > SpiceMarshaller *m, ImageI
> >      }
> >  
> >      if (lossy_comp) {
> > -        comp_succeeded = red_jpeg_compress_image(dcc, &red_image,
> > +        comp_succeeded = dcc_compress_image_jpeg(dcc, &red_image,
> >                                                   &bitmap, &comp_send_data,
> >                                                   worker
> > ->mem_slots.internal_groupslot_id);
> >      } else if (quic_comp) {
> > -        comp_succeeded = red_quic_compress_image(dcc, &red_image, &bitmap,
> > +        comp_succeeded = dcc_compress_image_quic(dcc, &red_image, &bitmap,
> >                                                   &comp_send_data,
> >                                                   worker
> > ->mem_slots.internal_groupslot_id);
> >  #ifdef USE_LZ4
> > @@ -5033,12 +4373,12 @@ static void red_marshall_image(RedChannelClient
> > *rcc,
> > SpiceMarshaller *m, ImageI
> >                 bitmap_fmt_is_rgb(bitmap.format) &&
> >                 red_channel_client_test_remote_cap(&dcc->common.base,
> >                                                   
> >  SPICE_DISPLAY_CAP_LZ4_COMPRESSION)) {
> > -        comp_succeeded = red_lz4_compress_image(dcc, &red_image, &bitmap,
> > +        comp_succeeded = dcc_compress_image_lz4(dcc, &red_image, &bitmap,
> >                                                  &comp_send_data,
> >                                                  worker
> > ->mem_slots.internal_groupslot_id);
> >  #endif
> >      } else if (comp_mode != SPICE_IMAGE_COMPRESSION_OFF) {
> > -        comp_succeeded = red_lz_compress_image(dcc, &red_image, &bitmap,
> > +        comp_succeeded = dcc_compress_image_lz(dcc, &red_image, &bitmap,
> >                                                 &comp_send_data,
> >                                                 worker
> > ->mem_slots.internal_groupslot_id);
> >      }
> > @@ -5286,7 +4626,7 @@ static void
> > display_channel_send_item(RedChannelClient
> > *rcc, PipeItem *pipe_item
> >          display_channel_marshall_reset_cache(rcc, m);
> >          break;
> >      case PIPE_ITEM_TYPE_INVAL_PALETTE_CACHE:
> > -        red_reset_palette_cache(dcc);
> > +        dcc_palette_cache_reset(dcc);
> >          red_channel_client_init_send_data(rcc,
> > SPICE_MSG_DISPLAY_INVAL_ALL_PALETTES, NULL);
> >          break;
> >      case PIPE_ITEM_TYPE_CREATE_SURFACE: {
> > @@ -5355,7 +4695,7 @@ static void
> > display_channel_client_on_disconnect(RedChannelClient *rcc)
> >      pixmap_cache_unref(dcc->pixmap_cache);
> >      dcc->pixmap_cache = NULL;
> >      red_release_glz(dcc);
> > -    red_reset_palette_cache(dcc);
> > +    dcc_palette_cache_reset(dcc);
> >      free(dcc->send_data.stream_outbuf);
> >      free(dcc->send_data.free_list.res);
> >      dcc_destroy_stream_agents(dcc);
> > @@ -6944,7 +6284,7 @@ static void handle_dev_oom(void *opaque, void
> > *payload)
> >      RedChannel *display_red_channel =
> >      &worker->display_channel->common.base;
> >      int ring_is_empty;
> >  
> > -    spice_assert(worker->running);
> > +    spice_return_if_fail(worker->running);
> >      // streams? but without streams also leak
> >      spice_debug("OOM1 #draw=%u, #red_draw=%u, #glz_draw=%u current %u
> >      pipes
> > %u",
> >                  display->drawable_count,
> 
> 
> ACK
> 

Merged

Frediano
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