Re: [PATCH 07/30] Encapsulate lz information in EncodersData structure

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On Tue, 2016-06-07 at 11:17 +0100, Frediano Ziglio wrote:
> Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
> ---
>  server/dcc-encoders.c | 30 ++++++++++++++++--------------
>  server/dcc-encoders.h |  3 +++
>  server/dcc.c          | 23 +++++++++++++----------
>  server/dcc.h          |  2 --
>  4 files changed, 32 insertions(+), 26 deletions(-)
> 
> diff --git a/server/dcc-encoders.c b/server/dcc-encoders.c
> index 99e5507..54b970a 100644
> --- a/server/dcc-encoders.c
> +++ b/server/dcc-encoders.c
> @@ -308,19 +308,19 @@ static void dcc_init_quic(EncodersData *enc)
>      }
>  }
>  
> -static void dcc_init_lz(DisplayChannelClient *dcc)
> +static void dcc_init_lz(EncodersData *enc)

Same comment as previous patch about dcc_ vs encoders_data_ prefix

>  {
> -    dcc->lz_data.usr.error = lz_usr_error;
> -    dcc->lz_data.usr.warn = lz_usr_warn;
> -    dcc->lz_data.usr.info = lz_usr_warn;
> -    dcc->lz_data.usr.malloc = lz_usr_malloc;
> -    dcc->lz_data.usr.free = lz_usr_free;
> -    dcc->lz_data.usr.more_space = lz_usr_more_space;
> -    dcc->lz_data.usr.more_lines = lz_usr_more_lines;
> +    enc->lz_data.usr.error = lz_usr_error;
> +    enc->lz_data.usr.warn = lz_usr_warn;
> +    enc->lz_data.usr.info = lz_usr_warn;
> +    enc->lz_data.usr.malloc = lz_usr_malloc;
> +    enc->lz_data.usr.free = lz_usr_free;
> +    enc->lz_data.usr.more_space = lz_usr_more_space;
> +    enc->lz_data.usr.more_lines = lz_usr_more_lines;
>  
> -    dcc->lz = lz_create(&dcc->lz_data.usr);
> +    enc->lz = lz_create(&enc->lz_data.usr);
>  
> -    if (!dcc->lz) {
> +    if (!enc->lz) {
>          spice_critical("create lz failed");
>      }
>  }
> @@ -400,9 +400,11 @@ static void dcc_init_zlib(DisplayChannelClient *dcc)
>  
>  void dcc_encoders_init(DisplayChannelClient *dcc)
>  {
> +    EncodersData *enc = &dcc->encoders;
> +
>      dcc_init_glz_data(dcc);
> -    dcc_init_quic(&dcc->encoders);
> -    dcc_init_lz(dcc);
> +    dcc_init_quic(enc);
> +    dcc_init_lz(enc);
>      dcc_init_jpeg(dcc);
>  #ifdef USE_LZ4
>      dcc_init_lz4(dcc);
> @@ -418,8 +420,8 @@ void dcc_encoders_free(DisplayChannelClient *dcc)
>      EncodersData *enc = &dcc->encoders;
>      quic_destroy(enc->quic);
>      enc->quic = NULL;
> -    lz_destroy(dcc->lz);
> -    dcc->lz = NULL;
> +    lz_destroy(enc->lz);
> +    enc->lz = NULL;
>      jpeg_encoder_destroy(dcc->jpeg);
>      dcc->jpeg = NULL;
>  #ifdef USE_LZ4
> diff --git a/server/dcc-encoders.h b/server/dcc-encoders.h
> index a75678e..21049cd 100644
> --- a/server/dcc-encoders.h
> +++ b/server/dcc-encoders.h
> @@ -165,6 +165,9 @@ struct RedGlzDrawable {
>  struct EncodersData {
>      QuicData quic_data;
>      QuicContext *quic;
> +
> +    LzData lz_data;
> +    LzContext  *lz;
>  };
>  
>  typedef struct compress_send_data_t {
> diff --git a/server/dcc.c b/server/dcc.c
> index 0bc806a..05a511d 100644
> --- a/server/dcc.c
> +++ b/server/dcc.c
> @@ -784,17 +784,18 @@ glz:
>      return TRUE;
>  }
>  
> -static int dcc_compress_image_lz(DisplayChannelClient *dcc,
> +static int dcc_compress_image_lz(EncodersData *enc,
>                                   SpiceImage *dest, SpiceBitmap *src,
> -                                 compress_send_data_t* o_comp_data)
> +                                 compress_send_data_t* o_comp_data,
> +                                 stat_info_t *stats)

as in quic patch, I think this stats change should be done in a separate patch.
Presumably it could be done for all encoders at once (if there are more of them
coming).

>  {
> -    LzData *lz_data = &dcc->lz_data;
> -    LzContext *lz = dcc->lz;
> +    LzData *lz_data = &enc->lz_data;
> +    LzContext *lz = enc->lz;
>      LzImageType type = bitmap_fmt_to_lz_image_type[src->format];
>      int size;            // size of the compressed data
>  
>      stat_start_time_t start_time;
> -    stat_start_time_init(&start_time, &DCC_TO_DC(dcc)->lz_stat);
> +    stat_start_time_init(&start_time, stats);
>  
>  #ifdef COMPRESS_DEBUG
>      spice_info("LZ LOCAL compress");
> @@ -841,11 +842,10 @@ static int dcc_compress_image_lz(DisplayChannelClient
> *dcc,
>          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));

I see this is moving to the caller. That's fine, but it doesn't really belong in
this patch.

>          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,
> +    stat_compress_add(stats, start_time, src->stride * src->y,
>                        o_comp_data->comp_buf_size);
>      return TRUE;
>  }
> @@ -854,9 +854,9 @@ static int dcc_compress_image_jpeg(DisplayChannelClient
> *dcc, SpiceImage *dest,
>                                     SpiceBitmap *src, compress_send_data_t*
> o_comp_data)
>  {
>      JpegData *jpeg_data = &dcc->jpeg_data;
> -    LzData *lz_data = &dcc->lz_data;
> +    LzData *lz_data = &dcc->encoders.lz_data;
>      JpegEncoderContext *jpeg = dcc->jpeg;
> -    LzContext *lz = dcc->lz;
> +    LzContext *lz = dcc->encoders.lz;
>      volatile JpegEncoderImageType jpeg_in_type;
>      int jpeg_size = 0;
>      volatile int has_alpha = FALSE;
> @@ -1159,7 +1159,10 @@ int dcc_compress_image(DisplayChannelClient *dcc,
>  #endif
>  lz_compress:
>      case SPICE_IMAGE_COMPRESSION_LZ:
> -        success = dcc_compress_image_lz(dcc, dest, src, o_comp_data);
> +        success = dcc_compress_image_lz(&dcc->encoders, dest, src,
> o_comp_data, &display_channel->lz_stat);
> +        if (success && !bitmap_fmt_is_rgb(src->format)) {
> +            dcc_palette_cache_palette(dcc, dest->u.lz_plt.palette, &(dest-
> >u.lz_plt.flags));

so the palette call has moved here, but why the additional check for
bitmap_fmt_is_rgb()? This needs some additional explanation.

> +        }
>          break;
>      default:
>          spice_error("invalid image compression type %u", image_compression);
> diff --git a/server/dcc.h b/server/dcc.h
> index 4b93c73..532ce7b 100644
> --- a/server/dcc.h
> +++ b/server/dcc.h
> @@ -66,8 +66,6 @@ struct DisplayChannelClient {
>  
>      int zlib_level;
>  
> -    LzData lz_data;
> -    LzContext  *lz;
>      JpegData jpeg_data;
>      JpegEncoderContext *jpeg;
>  #ifdef USE_LZ4

Reviewed-by: Jonathon Jongsma <jjongsma@xxxxxxxxxx>

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