Merge remote-tracking branch 'qatar/master'

* qatar/master:
  fate: Add tests for more AAC features.
  aacps: Add missing newline in error message.
  fate: Add tests for vc1/wmapro in ism.
  aacdec: Add a fate test for 5.1 channel SBR.
  aacdec: Turn off PS for multichannel files that use PCE based configs.
  cabac: remove put_cabac_u/ueg from cabac-test.
  swscale: RGB4444 and BGR444 input
  FATE: add test for xWMA demuxer.
  FATE: add test for SMJPEG demuxer and associated IMA ADPCM audio decoder.
  mpegaudiodec: optimized iMDCT transform
  mpegaudiodec: change imdct window arrangment for better pointer alignment
  mpegaudiodec: move imdct and windowing function to mpegaudiodsp
  mpegaudiodec: interleave iMDCT buffer to simplify future SIMD implementations
  swscale: convert yuy2/uyvy/nv12/nv21ToY/UV from inline asm to yasm.
  FATE: test to exercise WTV demuxer.
  mjpegdec: K&R formatting cosmetics
  swscale: K&R formatting cosmetics for code examples
  swscale: K&R reformatting cosmetics for header files
  FATE test: cvid-grayscale; ensures that the grayscale Cinepak variant is exercised.

Conflicts:
	libavcodec/cabac.c
	libavcodec/mjpegdec.c
	libavcodec/mpegaudiodec.c
	libavcodec/mpegaudiodsp.c
	libavcodec/mpegaudiodsp.h
	libavcodec/mpegaudiodsp_template.c
	libavcodec/x86/Makefile
	libavcodec/x86/imdct36_sse.asm
	libavcodec/x86/mpegaudiodec_mmx.c
	libswscale/swscale-test.c
	libswscale/swscale.c
	libswscale/swscale_internal.h
	libswscale/x86/swscale_template.c
	tests/fate/demux.mak
	tests/fate/microsoft.mak
	tests/fate/video.mak
	tests/fate/wma.mak
	tests/ref/lavfi/pixfmts_scale

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

1 files changed, 19 insertions, 2 deletions

diff --git a/libavcodec/aacdec.c b/libavcodec/aacdec.c
index c0798429af..b7f76a61da 100644
--- a/libavcodec/aacdec.c
+++ b/libavcodec/aacdec.c
@@ -163,6 +163,19 @@ static ChannelElement *get_che(AACContext *ac, int type, int elem_id)
     }
 }
 
+static int count_channels(enum ChannelPosition che_pos[4][MAX_ELEM_ID])
+{
+    int i, type, sum = 0;
+    for (i = 0; i < MAX_ELEM_ID; i++) {
+        for (type = 0; type < 4; type++) {
+            sum += (1 + (type == TYPE_CPE)) *
+                (che_pos[type][i] != AAC_CHANNEL_OFF &&
+                 che_pos[type][i] != AAC_CHANNEL_CC);
+        }
+    }
+    return sum;
+}
+
 /**
  * Check for the channel element in the current channel position configuration.
  * If it exists, make sure the appropriate element is allocated and map the
@@ -437,6 +450,12 @@ static int decode_ga_specific_config(AACContext *ac, AVCodecContext *avctx,
         if ((ret = set_default_channel_config(avctx, new_che_pos, channel_config)))
             return ret;
     }
+
+    if (count_channels(new_che_pos) > 1) {
+        m4ac->ps = 0;
+    } else if (m4ac->sbr == 1 && m4ac->ps == -1)
+        m4ac->ps = 1;
+
     if (ac && (ret = output_configure(ac, ac->che_pos, new_che_pos, channel_config, OC_GLOBAL_HDR)))
         return ret;
 
@@ -495,8 +514,6 @@ static int decode_audio_specific_config(AACContext *ac,
         av_log(avctx, AV_LOG_ERROR, "invalid sampling rate index %d\n", m4ac->sampling_index);
         return -1;
     }
-    if (m4ac->sbr == 1 && m4ac->ps == -1)
-        m4ac->ps = 1;
 
     skip_bits_long(&gb, i);