changed configure option name to reduce confusion

Renamed configure option "enable-psnr" to "enable-internal-stats" to
better reflect the purpose of the option and eliminate the confusion
reported in http://code.google.com/p/webm/issues/detail?id=35

Change-Id: If72df6fdb9f1e33dab1329240ba4d8911d2f1f7a

configure

@@ -31,7 +31,7 @@ Advanced options:
   ${toggle_md5}                   support for output of checksum data
   ${toggle_static_msvcrt}         use static MSVCRT (VS builds only)
   ${toggle_vp8}                   VP8 codec support
-  ${toggle_psnr}                  output of PSNR data, if supported (encoders)
+  ${toggle_internal_stats}        output of encoder internal stats for debug, if supported (encoders)
   ${toggle_mem_tracker}           track memory usage
   ${toggle_postproc}              postprocessing
   ${toggle_multithread}           multithreaded encoding and decoding.
@@ -240,7 +240,7 @@ CONFIG_LIST="
     runtime_cpu_detect
     postproc
     multithread
-    psnr
+    internal_stats
     ${CODECS}
     ${CODEC_FAMILIES}
     encoders
@@ -281,7 +281,7 @@ CMDLINE_SELECT="
     dc_recon
     postproc
     multithread
-    psnr
+    internal_stats
     ${CODECS}
     ${CODEC_FAMILIES}
     static_msvcrt

vp8/common/generic/systemdependent.c

@@ -68,7 +68,7 @@ void vp8_machine_specific_config(VP8_COMMON *ctx)
     rtcd->loopfilter.simple_mb_h = vp8_loop_filter_mbhs_c;
     rtcd->loopfilter.simple_b_h  = vp8_loop_filter_bhs_c;
 
-#if CONFIG_POSTPROC || (CONFIG_VP8_ENCODER && CONFIG_PSNR)
+#if CONFIG_POSTPROC || (CONFIG_VP8_ENCODER && CONFIG_INTERNAL_STATS)
     rtcd->postproc.down             = vp8_mbpost_proc_down_c;
     rtcd->postproc.across           = vp8_mbpost_proc_across_ip_c;
     rtcd->postproc.downacross       = vp8_post_proc_down_and_across_c;

vp8/encoder/generic/csystemdependent.c

@@ -99,7 +99,7 @@ void vp8_cmachine_specific_config(VP8_COMP *cpi)
     // Pure C:
     vp8_yv12_copy_partial_frame_ptr = vp8_yv12_copy_partial_frame;
 
-#if CONFIG_PSNR
+#if CONFIG_INTERNAL_STATS
     cpi->rtcd.variance.ssimpf_8x8            = ssim_parms_8x8_c;
     cpi->rtcd.variance.ssimpf                = ssim_parms_c;
 #endif

vp8/encoder/onyx_if.c

@@ -76,7 +76,7 @@ static void set_default_lf_deltas(VP8_COMP *cpi);
 
 extern const int vp8_gf_interval_table[101];
 
-#if CONFIG_PSNR
+#if CONFIG_INTERNAL_STATS
 #include "math.h"
 
 extern double vp8_calc_ssim
@@ -1906,8 +1906,8 @@ VP8_PTR vp8_create_compressor(VP8_CONFIG *oxcf)
     cpi->source_alt_ref_active = FALSE;
     cpi->common.refresh_alt_ref_frame = 0;
 
-    cpi->b_calculate_psnr = CONFIG_PSNR;
-#if CONFIG_PSNR
+    cpi->b_calculate_psnr = CONFIG_INTERNAL_STATS;
+#if CONFIG_INTERNAL_STATS
     cpi->b_calculate_ssimg = 0;
 
     cpi->count = 0;
@@ -2128,7 +2128,7 @@ void vp8_remove_compressor(VP8_PTR *ptr)
         print_mode_context();
 #endif
 
-#if CONFIG_PSNR
+#if CONFIG_INTERNAL_STATS
 
         if (cpi->pass != 1)
         {
@@ -3418,7 +3418,7 @@ static void encode_frame_to_data_rate
             cm->current_video_frame++;
             cpi->frames_since_key++;
 
-#if CONFIG_PSNR
+#if CONFIG_INTERNAL_STATS
             cpi->count ++;
 #endif
 
@@ -4019,7 +4019,7 @@ static void encode_frame_to_data_rate
         {
             vp8_restore_coding_context(cpi);
             loop_count++;
-#if CONFIG_PSNR
+#if CONFIG_INTERNAL_STATS
             cpi->tot_recode_hits++;
 #endif
         }
@@ -4293,7 +4293,7 @@ static void encode_frame_to_data_rate
         }
     }
 
-#if 0 && CONFIG_PSNR
+#if 0 && CONFIG_INTERNAL_STATS
     {
         FILE *f = fopen("tmp.stt", "a");
 
@@ -4837,7 +4837,7 @@ int vp8_get_compressed_data(VP8_PTR ptr, unsigned int *frame_flags, unsigned lon
         generate_psnr_packet(cpi);
     }
 
-#if CONFIG_PSNR
+#if CONFIG_INTERNAL_STATS
 
     if (cpi->pass != 1)
     {

vp8/encoder/onyx_int.h

@@ -625,7 +625,7 @@ typedef struct
     int fixed_divide[512];
 #endif
 
-#if CONFIG_PSNR
+#if CONFIG_INTERNAL_STATS
     int    count;
     double total_y;
     double total_u;

vp8/encoder/variance.h

@@ -391,7 +391,7 @@ typedef struct
     vp8_sad_multi_d_fn_t     sad8x8x4d;
     vp8_sad_multi_d_fn_t     sad4x4x4d;
 
-#if CONFIG_PSNR
+#if CONFIG_INTERNAL_STATS
     vp8_ssimpf_fn_t          ssimpf_8x8;
     vp8_ssimpf_fn_t          ssimpf;
 #endif

vp8/encoder/x86/x86_csystemdependent.c

@@ -112,7 +112,7 @@ static void subtract_b_sse2(BLOCK *be, BLOCKD *bd, int pitch)
 #endif
 
 #if HAVE_SSSE3
-#if CONFIG_PSNR
+#if CONFIG_INTERNAL_STATS
 #if ARCH_X86_64
 typedef void ssimpf
 (
@@ -292,7 +292,7 @@ void vp8_arch_x86_encoder_init(VP8_COMP *cpi)
 
         cpi->rtcd.quantize.fastquantb            = vp8_fast_quantize_b_ssse3;
 
-#if CONFIG_PSNR
+#if CONFIG_INTERNAL_STATS
 #if ARCH_X86_64
         cpi->rtcd.variance.ssimpf_8x8            = vp8_ssim_parms_8x8_sse3;
         cpi->rtcd.variance.ssimpf                = vp8_ssim_parms_16x16_sse3;

vp8/vp8cx.mk

@@ -77,12 +77,12 @@ VP8_CX_SRCS-yes += encoder/rdopt.c
 VP8_CX_SRCS-yes += encoder/sad_c.c
 VP8_CX_SRCS-yes += encoder/segmentation.c
 VP8_CX_SRCS-yes += encoder/segmentation.h
-VP8_CX_SRCS-$(CONFIG_PSNR) += encoder/ssim.c
+VP8_CX_SRCS-$(CONFIG_INTERNAL_STATS) += encoder/ssim.c
 VP8_CX_SRCS-yes += encoder/tokenize.c
 VP8_CX_SRCS-yes += encoder/treewriter.c
 VP8_CX_SRCS-yes += encoder/variance_c.c
-VP8_CX_SRCS-$(CONFIG_PSNR) += common/postproc.h
-VP8_CX_SRCS-$(CONFIG_PSNR) += common/postproc.c
+VP8_CX_SRCS-$(CONFIG_INTERNAL_STATS) += common/postproc.h
+VP8_CX_SRCS-$(CONFIG_INTERNAL_STATS) += common/postproc.c
 VP8_CX_SRCS-yes += encoder/temporal_filter.c
 VP8_CX_SRCS-yes += encoder/temporal_filter.h