Merge remote-tracking branch 'qatar/master'

* qatar/master: (21 commits)
  swscale: Add Doxygen for hyscale_fast/hScale.
  fate: enable lavfi-pixmt tests on big endian systems
  PPC: swscale: disable altivec functions for unsupported formats
  fate: merge identical pixdesc_be/le tests
  swscale: Add Doxygen for yuv2planar*/yuv2packed* functions.
  build: call texi2pod.pl with full path instead of symlink
  build: include sub-makefiles using full path instead of symlinks
  swscale: update big endian reference values after dff5a835.
  wavpack: skip blocks with no samples
  cosmetics: remove outdated comment that is no longer true
  build: replace some addprefix/addsuffix with substitution refs
  avutil: Remove unused arbitrary precision integer code.
  configure: Drop check for availability of ten assembler operands.
  aacenc: Save channel configuration for later use.
  aacenc: Fix codebook trellising for zeroed bands.
  swscale: change prototypes of scaled YUV output functions.
  swscale: re-add support for non-native endianness.
  swscale: disentangle yuv2rgbX_c_full() into small functions.
  swscale: split yuv2packed[12X]_c() remainders into small functions.
  swscale: split yuv2packedX_altivec in smaller functions.
  ...

Conflicts:
	Makefile
	configure
	libavcodec/x86/dsputil_mmx.c
	libavfilter/Makefile
	libavformat/Makefile
	libavutil/integer.c
	libavutil/integer.h
	libswscale/swscale.c
	libswscale/swscale_internal.h
	libswscale/x86/swscale_template.c
	tests/ref/lavfi/pixdesc_le
	tests/ref/lavfi/pixfmts_scale

Merged-by: Michael Niedermayer <michaelni@gmx.at>

8 files changed, 36 insertions, 22 deletions

diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index b6103af3c0..5dcdeea6ef 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -666,7 +666,7 @@ OBJS-$(CONFIG_MLIB)                    += mlib/dsputil_mlib.o           \
 # well.
 OBJS-$(!CONFIG_SMALL)                  += inverse.o
 
--include $(SUBDIR)$(ARCH)/Makefile
+-include $(SRC_PATH)/$(SUBDIR)$(ARCH)/Makefile
 
 SKIPHEADERS                            += %_tablegen.h                  \
                                           %_tables.h                    \
@@ -693,7 +693,7 @@ DIRS = alpha arm bfin mlib ppc ps2 sh4 sparc x86
 
 CLEANFILES = *_tables.c *_tables.h *_tablegen$(HOSTEXESUF)
 
-include $(SUBDIR)../subdir.mak
+include $(SRC_PATH)/subdir.mak
 
 $(SUBDIR)dct-test$(EXESUF): $(SUBDIR)dctref.o
 
diff --git a/libavcodec/aaccoder.c b/libavcodec/aaccoder.c
index a68aa025de..4eba5dd83c 100644
--- a/libavcodec/aaccoder.c
+++ b/libavcodec/aaccoder.c
@@ -433,10 +433,26 @@ static void codebook_trellis_rate(AACEncContext *s, SingleChannelElement *sce,
     for (swb = 0; swb < max_sfb; swb++) {
         size = sce->ics.swb_sizes[swb];
         if (sce->zeroes[win*16 + swb]) {
-            for (cb = 0; cb < 12; cb++) {
-                path[swb+1][cb].prev_idx = cb;
-                path[swb+1][cb].cost     = path[swb][cb].cost;
-                path[swb+1][cb].run      = path[swb][cb].run + 1;
+            float cost_stay_here = path[swb][0].cost;
+            float cost_get_here  = next_minrd + run_bits + 4;
+            if (   run_value_bits[sce->ics.num_windows == 8][path[swb][0].run]
+                != run_value_bits[sce->ics.num_windows == 8][path[swb][0].run+1])
+                cost_stay_here += run_bits;
+            if (cost_get_here < cost_stay_here) {
+                path[swb+1][0].prev_idx = next_mincb;
+                path[swb+1][0].cost     = cost_get_here;
+                path[swb+1][0].run      = 1;
+            } else {
+                path[swb+1][0].prev_idx = 0;
+                path[swb+1][0].cost     = cost_stay_here;
+                path[swb+1][0].run      = path[swb][0].run + 1;
+            }
+            next_minrd = path[swb+1][0].cost;
+            next_mincb = 0;
+            for (cb = 1; cb < 12; cb++) {
+                path[swb+1][cb].cost = 61450;
+                path[swb+1][cb].prev_idx = -1;
+                path[swb+1][cb].run = 0;
             }
         } else {
             float minrd = next_minrd;
diff --git a/libavcodec/aacenc.c b/libavcodec/aacenc.c
index 0de6622389..2a6dbc8ebd 100644
--- a/libavcodec/aacenc.c
+++ b/libavcodec/aacenc.c
@@ -208,8 +208,9 @@ static av_cold int aac_encode_init(AVCodecContext *avctx)
     ff_init_ff_sine_windows(10);
     ff_init_ff_sine_windows(7);
 
+    s->chan_map           = aac_chan_configs[avctx->channels-1];
     s->samples            = av_malloc(2 * 1024 * avctx->channels * sizeof(s->samples[0]));
-    s->cpe                = av_mallocz(sizeof(ChannelElement) * aac_chan_configs[avctx->channels-1][0]);
+    s->cpe                = av_mallocz(sizeof(ChannelElement) * s->chan_map[0]);
     avctx->extradata      = av_mallocz(5 + FF_INPUT_BUFFER_PADDING_SIZE);
     avctx->extradata_size = 5;
     put_audio_specific_config(avctx);
@@ -500,7 +501,6 @@ static int aac_encode_frame(AVCodecContext *avctx,
     int16_t *samples = s->samples, *samples2, *la;
     ChannelElement *cpe;
     int i, ch, w, g, chans, tag, start_ch;
-    const uint8_t *chan_map = aac_chan_configs[avctx->channels-1];
     int chan_el_counter[4];
     FFPsyWindowInfo windows[AAC_MAX_CHANNELS];
 
@@ -521,8 +521,8 @@ static int aac_encode_frame(AVCodecContext *avctx,
         } else {
             start_ch = 0;
             samples2 = s->samples + 1024 * avctx->channels;
-            for (i = 0; i < chan_map[0]; i++) {
-                tag = chan_map[i+1];
+            for (i = 0; i < s->chan_map[0]; i++) {
+                tag = s->chan_map[i+1];
                 chans = tag == TYPE_CPE ? 2 : 1;
                 ff_psy_preprocess(s->psypp,
                                   (uint16_t*)data + channel_maps[avctx->channels-1][start_ch],
@@ -538,9 +538,9 @@ static int aac_encode_frame(AVCodecContext *avctx,
     }
 
     start_ch = 0;
-    for (i = 0; i < chan_map[0]; i++) {
+    for (i = 0; i < s->chan_map[0]; i++) {
         FFPsyWindowInfo* wi = windows + start_ch;
-        tag      = chan_map[i+1];
+        tag      = s->chan_map[i+1];
         chans    = tag == TYPE_CPE ? 2 : 1;
         cpe      = &s->cpe[i];
         for (ch = 0; ch < chans; ch++) {
@@ -580,9 +580,9 @@ static int aac_encode_frame(AVCodecContext *avctx,
             put_bitstream_info(avctx, s, LIBAVCODEC_IDENT);
         start_ch = 0;
         memset(chan_el_counter, 0, sizeof(chan_el_counter));
-        for (i = 0; i < chan_map[0]; i++) {
+        for (i = 0; i < s->chan_map[0]; i++) {
             FFPsyWindowInfo* wi = windows + start_ch;
-            tag      = chan_map[i+1];
+            tag      = s->chan_map[i+1];
             chans    = tag == TYPE_CPE ? 2 : 1;
             cpe      = &s->cpe[i];
             put_bits(&s->pb, 3, tag);
diff --git a/libavcodec/aacenc.h b/libavcodec/aacenc.h
index 44ad50bf80..1e27ddc40d 100644
--- a/libavcodec/aacenc.h
+++ b/libavcodec/aacenc.h
@@ -61,6 +61,7 @@ typedef struct AACEncContext {
     int16_t *samples;                            ///< saved preprocessed input
 
     int samplerate_index;                        ///< MPEG-4 samplerate index
+    uint8_t *chan_map;                           ///< channel configuration map
 
     ChannelElement *cpe;                         ///< channel elements
     FFPsyContext psy;
diff --git a/libavcodec/ac3enc.c b/libavcodec/ac3enc.c
index cd9f8d1a8e..9b0ee2d335 100644
--- a/libavcodec/ac3enc.c
+++ b/libavcodec/ac3enc.c
@@ -306,8 +306,6 @@ static av_cold void exponent_init(AC3EncodeContext *s)
 
 /**
  * Extract exponents from the MDCT coefficients.
- * This takes into account the normalization that was done to the input samples
- * by adjusting the exponents by the exponent shift values.
  */
 static void extract_exponents(AC3EncodeContext *s)
 {
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 165ef5bb21..fd011cfa19 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -26,7 +26,6 @@
  */
 
 #include "libavutil/avstring.h"
-#include "libavutil/integer.h"
 #include "libavutil/crc.h"
 #include "libavutil/pixdesc.h"
 #include "libavutil/audioconvert.h"
diff --git a/libavcodec/x86/dsputil_mmx.c b/libavcodec/x86/dsputil_mmx.c
index ec4d0dc1aa..78cad4c13a 100644
--- a/libavcodec/x86/dsputil_mmx.c
+++ b/libavcodec/x86/dsputil_mmx.c
@@ -580,7 +580,7 @@ static void add_bytes_mmx(uint8_t *dst, uint8_t *src, int w){
         dst[i+0] += src[i+0];
 }
 
-#if HAVE_7REGS && HAVE_TEN_OPERANDS
+#if HAVE_7REGS
 static void add_hfyu_median_prediction_cmov(uint8_t *dst, const uint8_t *top, const uint8_t *diff, int w, int *left, int *left_top) {
     x86_reg w2 = -w;
     x86_reg x;
@@ -2577,7 +2577,7 @@ void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
 
             c->add_hfyu_median_prediction = ff_add_hfyu_median_prediction_mmx2;
 #endif
-#if HAVE_7REGS && HAVE_TEN_OPERANDS
+#if HAVE_7REGS
             if( mm_flags&AV_CPU_FLAG_3DNOW )
                 c->add_hfyu_median_prediction = add_hfyu_median_prediction_cmov;
 #endif
diff --git a/libavcodec/x86/mlpdsp.c b/libavcodec/x86/mlpdsp.c
index 486a927ad7..7ea77fc1b8 100644
--- a/libavcodec/x86/mlpdsp.c
+++ b/libavcodec/x86/mlpdsp.c
@@ -23,7 +23,7 @@
 #include "libavcodec/dsputil.h"
 #include "libavcodec/mlp.h"
 
-#if HAVE_7REGS && HAVE_TEN_OPERANDS
+#if HAVE_7REGS
 
 extern void ff_mlp_firorder_8;
 extern void ff_mlp_firorder_7;
@@ -171,11 +171,11 @@ static void mlp_filter_channel_x86(int32_t *state, const int32_t *coeff,
     );
 }
 
-#endif /* HAVE_7REGS && HAVE_TEN_OPERANDS */
+#endif /* HAVE_7REGS */
 
 void ff_mlp_init_x86(DSPContext* c, AVCodecContext *avctx)
 {
-#if HAVE_7REGS && HAVE_TEN_OPERANDS
+#if HAVE_7REGS
     c->mlp_filter_channel = mlp_filter_channel_x86;
 #endif
 }