encoder: remove postproc dependency

Remove the dependency on postproc.c for the encoder in general, the only
unchecked need for it is when CONFIG_PSNR is enabled. All other cases
are already wrapped in CONFIG_POSTPROC. In the CONFIG_PSNR case the file
will still be included.

Additionally, when VP8_SET_POSTPROC is used with the encoder when post
processing has been disabled an error will be returned.

This addresses issue #153.

Change-Id: Ia6dfe20167f7077734a6058cbd1d794550346089

vp8/common/arm/systemdependent.c

@@ -126,11 +126,13 @@ void vp8_machine_specific_config(VP8_COMMON *ctx)
     rtcd->loopfilter.simple_b_h  = vp8_loop_filter_bhs_c;
 #endif
 
+#if CONFIG_POSTPROC || (CONFIG_VP8_ENCODER && CONFIG_PSNR)
     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;
     rtcd->postproc.addnoise    = vp8_plane_add_noise_c;
 #endif
+#endif
 
 #if HAVE_ARMV7
     vp8_build_intra_predictors_mby_ptr = vp8_build_intra_predictors_mby_neon;

vp8/common/generic/systemdependent.c

@@ -61,7 +61,7 @@ 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
+#if CONFIG_POSTPROC || (CONFIG_VP8_ENCODER && CONFIG_PSNR)
     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/vp8_common.mk

@@ -96,8 +96,6 @@ VP8_COMMON_SRCS-$(ARCH_X86)$(ARCH_X86_64) += common/x86/vp8_asm_stubs.c
 VP8_COMMON_SRCS-$(ARCH_X86)$(ARCH_X86_64) += common/x86/loopfilter_x86.c
 VP8_COMMON_SRCS-$(CONFIG_POSTPROC) += common/postproc.h
 VP8_COMMON_SRCS-$(CONFIG_POSTPROC) += common/postproc.c
-VP8_COMMON_SRCS-$(CONFIG_VP8_ENCODER) += common/postproc.h
-VP8_COMMON_SRCS-$(CONFIG_VP8_ENCODER) += common/postproc.c
 VP8_COMMON_SRCS-$(HAVE_MMX) += common/x86/idctllm_mmx.asm
 VP8_COMMON_SRCS-$(HAVE_MMX) += common/x86/iwalsh_mmx.asm
 VP8_COMMON_SRCS-$(HAVE_MMX) += common/x86/recon_mmx.asm

vp8/vp8_cx_iface.c

@@ -826,7 +826,9 @@ static vpx_codec_err_t vp8e_set_previewpp(vpx_codec_alg_priv_t *ctx,
         int ctr_id,
         va_list args)
 {
+#if CONFIG_POSTPROC
     vp8_postproc_cfg_t *data = va_arg(args, vp8_postproc_cfg_t *);
+    (void)ctr_id;
 
     if (data)
     {
@@ -835,6 +837,12 @@ static vpx_codec_err_t vp8e_set_previewpp(vpx_codec_alg_priv_t *ctx,
     }
     else
         return VPX_CODEC_INVALID_PARAM;
+#else
+    (void)ctx;
+    (void)ctr_id;
+    (void)args;
+    return VPX_CODEC_INCAPABLE;
+#endif
 }
 
 

vp8/vp8cx.mk

@@ -80,6 +80,8 @@ VP8_CX_SRCS-$(CONFIG_PSNR) += encoder/ssim.c
 VP8_CX_SRCS-yes += encoder/tokenize.c
 VP8_CX_SRCS-yes += encoder/treewriter.c
 VP8_CX_SRCS-yes += encoder/variance_c.c
+VP8_CX_SRCS-$(CONFIG_PSNR) += common/postproc.h
+VP8_CX_SRCS-$(CONFIG_PSNR) += common/postproc.c
 
 ifeq ($(CONFIG_REALTIME_ONLY),yes)
 VP8_CX_SRCS_REMOVE-yes += encoder/firstpass.c