On Fri, May 17, 2013 at 02:23:54PM +0200, Luca Barbato wrote:
> On 05/17/2013 01:28 PM, Kostya Shishkov wrote:
> > On Fri, May 17, 2013 at 01:26:57PM +0200, Luca Barbato wrote:
> >> 3 is not exactly descriptive.
> >> ---
> >>  libavcodec/jpegls.h    | 4 +++-
> >>  libavcodec/jpeglsdec.c | 8 ++++----
> >>  2 files changed, 7 insertions(+), 5 deletions(-)
> >>
> >> diff --git a/libavcodec/jpegls.h b/libavcodec/jpegls.h
> >> index 4bf9562..1ab15ee 100644
> >> --- a/libavcodec/jpegls.h
> >> +++ b/libavcodec/jpegls.h
> >> @@ -36,12 +36,14 @@ typedef struct JpeglsContext {
> >>      AVFrame picture;
> >>  } JpeglsContext;
> >>  
> >> +#define COMPONENTS 3
> >> +
> >>  typedef struct JLSState {
> >>      int T1, T2, T3;
> >>      int A[367], B[367], C[365], N[367];
> >>      int limit, reset, bpp, qbpp, maxval, range;
> >>      int near, twonear;
> >> -    int run_index[3];
> >> +    int run_index[COMPONENTS];
> >>  } JLSState;
> >>  
> >>  extern const uint8_t ff_log2_run[32];
> >> diff --git a/libavcodec/jpeglsdec.c b/libavcodec/jpeglsdec.c
> >> index 6d884a4..e31329b 100644
> >> --- a/libavcodec/jpeglsdec.c
> >> +++ b/libavcodec/jpeglsdec.c
> >> @@ -307,7 +307,7 @@ int ff_jpegls_decode_picture(MJpegDecodeContext *s, 
> >> int near,
> >>              ilv, point_transform, s->bits, s->cur_scan);
> >>      if (ilv == 0) { /* separate planes */
> >>          off    = s->cur_scan - 1;
> >> -        stride = (s->nb_components > 1) ? 3 : 1;
> >> +        stride = (s->nb_components > 1) ? COMPONENTS : 1;
> >>          width  = s->width * stride;
> >>          cur   += off;
> >>          for (i = 0; i < s->height; i++) {
> >> @@ -330,11 +330,11 @@ int ff_jpegls_decode_picture(MJpegDecodeContext *s, 
> >> int near,
> >>          int j;
> >>          int Rc[3] = { 0, 0, 0 };
> >>          memset(cur, 0, s->picture_ptr->linesize[0]);
> >> -        width = s->width * 3;
> >> +        width = s->width * COMPONENTS;
> >>          for (i = 0; i < s->height; i++) {
> >> -            for (j = 0; j < 3; j++) {
> >> +            for (j = 0; j < COMPONENTS; j++) {
> >>                  ls_decode_line(state, s, last + j, cur + j,
> >> -                               Rc[j], width, 3, j, 8);
> >> +                               Rc[j], width, COMPONENTS, j, 8);
> >>                  Rc[j] = last[j];
> >>  
> >>                  if (s->restart_interval && !--s->restart_count) {
> >> -- 
> > 
> > still useless IMO
> 
> If you want I can drop it.

Yes please.
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