[Spice-devel] [PATCH 06/30] Move dcc_compress_image_quic to dcc-encoders.c

Jonathon Jongsma jjongsma at redhat.com
Thu Jun 9 18:20:52 UTC 2016


On Thu, 2016-06-09 at 05:48 -0400, Frediano Ziglio wrote:
> > 
> > 
> > On Tue, 2016-06-07 at 11:17 +0100, Frediano Ziglio wrote:
> > > 
> > > Signed-off-by: Frediano Ziglio <fziglio at redhat.com>
> > > ---
> > >  server/dcc-encoders.c | 76
> > > +++++++++++++++++++++++++++++++++++++++++++++++++++
> > >  server/dcc-encoders.h | 10 +++++++
> > >  server/dcc.c          | 73
> > >  -------------------------------------------------
> > >  server/dcc.h          |  7 -----
> > >  4 files changed, 86 insertions(+), 80 deletions(-)
> > > 
> > > diff --git a/server/dcc-encoders.c b/server/dcc-encoders.c
> > > index 7d317d5..99e5507 100644
> > > --- a/server/dcc-encoders.c
> > > +++ b/server/dcc-encoders.c
> > > @@ -704,3 +704,79 @@ void dcc_release_glz(DisplayChannelClient *dcc)
> > >      glz_enc_dictionary_destroy(shared_dict->dict, &dcc->glz_data.usr);
> > >      free(shared_dict);
> > >  }
> > > +
> > > +int dcc_compress_image_quic(EncodersData *enc, SpiceImage *dest,
> > > +                            SpiceBitmap *src, compress_send_data_t*
> > > o_comp_data,
> > > +                            stat_info_t *stats)
> > > +{
> > > +    QuicData *quic_data = &enc->quic_data;
> > > +    QuicContext *quic = enc->quic;
> > > +    volatile QuicImageType type;
> > > +    int size, stride;
> > > +    stat_start_time_t start_time;
> > > +    stat_start_time_init(&start_time, stats);
> > > +
> > > +#ifdef COMPRESS_DEBUG
> > > +    spice_info("QUIC compress");
> > > +#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;
> > > +    }
> > > +
> > > +    encoder_data_init(&quic_data->data);
> > > +
> > > +    if (setjmp(quic_data->data.jmp_env)) {
> > > +        encoder_data_reset(&quic_data->data);
> > > +        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(stats, start_time, src->stride * src->y,
> > > +                      o_comp_data->comp_buf_size);
> > > +    return TRUE;
> > > +}
> > > +
> > > +
> > > diff --git a/server/dcc-encoders.h b/server/dcc-encoders.h
> > > index 6bed548..a75678e 100644
> > > --- a/server/dcc-encoders.h
> > > +++ b/server/dcc-encoders.h
> > > @@ -167,6 +167,16 @@ struct EncodersData {
> > >      QuicContext *quic;
> > >  };
> > >  
> > > +typedef struct compress_send_data_t {
> > > +    void*    comp_buf;
> > As long as we're moving this type, can we take the opportunity fix this
> > alignment issue?
> > 
> Not aware of this issue...


I just mean changing
    void*    comp_buf;
to:
    void* comp_buf;

Either all arguments should be aligned or none should be. And in general our
style has been to not align them.


> 
> > 
> > > 
> > > +    uint32_t comp_buf_size;
> > > +    SpicePalette *lzplt_palette;
> > > +    int is_lossy;
> > > +} compress_send_data_t;
> > > +
> > > +int dcc_compress_image_quic(EncodersData *enc, SpiceImage *dest,
> > > +                            SpiceBitmap *src, compress_send_data_t*
> > > o_comp_data,
> > > +                            stat_info_t *stats);
> > >  #define RED_RELEASE_BUNCH_SIZE 64
> > >  
> > >  #endif /* DCC_ENCODERS_H_ */
> > > diff --git a/server/dcc.c b/server/dcc.c
> > > index 27e668c..0bc806a 100644
> > > --- a/server/dcc.c
> > > +++ b/server/dcc.c
> > > @@ -1026,79 +1026,6 @@ static int
> > > dcc_compress_image_lz4(DisplayChannelClient
> > > *dcc, SpiceImage *dest,
> > >  }
> > >  #endif
> > >  
> > > -static int dcc_compress_image_quic(EncodersData *enc, SpiceImage *dest,
> > > -                                   SpiceBitmap *src,
> > > compress_send_data_t*
> > > o_comp_data, stat_info_t *stats)
> > > -{
> > > -    QuicData *quic_data = &enc->quic_data;
> > > -    QuicContext *quic = enc->quic;
> > > -    volatile QuicImageType type;
> > > -    int size, stride;
> > > -    stat_start_time_t start_time;
> > > -    stat_start_time_init(&start_time, stats);
> > > -
> > > -#ifdef COMPRESS_DEBUG
> > > -    spice_info("QUIC compress");
> > > -#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;
> > > -    }
> > > -
> > > -    encoder_data_init(&quic_data->data);
> > > -
> > > -    if (setjmp(quic_data->data.jmp_env)) {
> > > -        encoder_data_reset(&quic_data->data);
> > > -        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(stats, start_time, src->stride * src->y,
> > > -                      o_comp_data->comp_buf_size);
> > > -    return TRUE;
> > > -}
> > > -
> > >  #define MIN_DIMENSION_TO_QUIC 3
> > >  /**
> > >   * quic doesn't handle:
> > > diff --git a/server/dcc.h b/server/dcc.h
> > > index 0ac5f5a..4b93c73 100644
> > > --- a/server/dcc.h
> > > +++ b/server/dcc.h
> > > @@ -216,13 +216,6 @@ RedPipeItem
> > > *              dcc_gl_scanout_item_new                   (RedChannel
> > >  RedPipeItem
> > > *              dcc_gl_draw_item_new                      (RedChannelClient
> > > *rcc,
> > >                                                                        voi
> > > d
> > > *data, int num);
> > >  
> > > -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
> > >                          (Display
> > > ChannelClient *dcc,
> > >                                                                        Spi
> > > ceIm
> > > age *dest, SpiceBitmap *src, Drawable *drawable,
> > >                                                                        int
> > > can_lossy,
> > 
> > minor comment above
> > 
> > Acked-by: Jonathon Jongsma <jjongsma at redhat.com>
> > 
> Frediano


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