Merge remote-tracking branch 'qatar/master'

* qatar/master:
  avutil: Make LZO decoder code configure-time selectable
  avutil: Move memcpy_backptr() to mem.c
  configure: detect parisc64 automatically
  configure: detect ppc64 automatically
  configure: detect mips64 automatically
  configure: generalise 64-bit test
  smoothstreamingenc: Don't assume streams start from timestamp 0

Conflicts:
	configure
	libavutil/Makefile
	libavutil/lzo.c
	libavutil/lzo.h
	libavutil/mem.c
	libavutil/mem.h

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

configure

@@ -129,6 +129,7 @@ Component options:
   --disable-dct            disable DCT code
   --disable-dwt            disable DWT code
   --disable-lsp            disable LSP code
+  --disable-lzo            disable LZO decoder code
   --disable-mdct           disable MDCT code
   --disable-rdft           disable RDFT code
   --disable-fft            disable FFT code
@@ -1170,6 +1171,7 @@ CONFIG_LIST="
     libxavs
     libxvid
     lsp
+    lzo
     mdct
     memalign_hack
     memory_poisoning
@@ -1620,6 +1622,7 @@ binkaudio_dct_decoder_select="mdct rdft dct sinewin"
 binkaudio_rdft_decoder_select="mdct rdft sinewin"
 cavs_decoder_select="golomb mpegvideo"
 cook_decoder_select="mdct sinewin"
+cscd_decoder_select="lzo"
 cscd_decoder_suggest="zlib"
 dca_decoder_select="mdct"
 dirac_decoder_select="dwt golomb"
@@ -1710,6 +1713,7 @@ msmpeg4v3_encoder_select="h263_encoder"
 mss2_decoder_select="vc1_decoder"
 nellymoser_decoder_select="mdct sinewin"
 nellymoser_encoder_select="mdct sinewin"
+nuv_decoder_select="lzo"
 png_decoder_select="zlib"
 png_encoder_select="zlib"
 qcelp_decoder_select="lsp"
@@ -1842,7 +1846,7 @@ ipod_muxer_select="mov_muxer"
 libnut_demuxer_deps="libnut"
 libnut_muxer_deps="libnut"
 matroska_audio_muxer_select="matroska_muxer"
-matroska_demuxer_suggest="zlib bzlib"
+matroska_demuxer_suggest="bzlib lzo zlib"
 mov_demuxer_suggest="zlib"
 mp3_demuxer_select="mpegaudio_parser"
 mp4_muxer_select="mov_muxer"
@@ -2740,21 +2744,13 @@ case "$arch" in
     arm*|iPad*)
         arch="arm"
     ;;
-    mips|mipsel|IP*)
+    mips*|IP*)
         arch="mips"
     ;;
-    mips64*)
-        arch="mips"
-        subarch="mips64"
-    ;;
-    parisc|hppa)
-        arch="parisc"
-    ;;
-    parisc64|hppa64)
+    parisc*|hppa*)
         arch="parisc"
-        subarch="parisc64"
     ;;
-    "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
+    "Power Macintosh"|ppc*|powerpc*)
         arch="ppc"
     ;;
     s390|s390x)
@@ -2974,13 +2970,31 @@ EOF
 check_host_cflags -std=c99
 check_host_cflags -Wall
 
+check_64bit(){
+    arch32=$1
+    arch64=$2
+    expr=$3
+    check_code cc "" "int test[2*($expr) - 1]" &&
+        subarch=$arch64 || subarch=$arch32
+}
+
 case "$arch" in
-    alpha|ia64|mips|parisc|sparc)
+    alpha|ia64|sparc)
         spic=$shared
     ;;
+    mips)
+        check_64bit mips mips64 '_MIPS_SIM > 1'
+        spic=$shared
+    ;;
+    parisc)
+        check_64bit parisc parisc64 'sizeof(void *) > 4'
+        spic=$shared
+    ;;
+    ppc)
+        check_64bit ppc ppc64 'sizeof(void *) > 4'
+    ;;
     x86)
-        subarch="x86_32"
-        check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
+        check_64bit x86_32 x86_64 'sizeof(void *) > 4'
         if test "$subarch" = "x86_64"; then
             spic=$shared
         fi

libavcodec/dfa.c

@@ -25,7 +25,7 @@
 #include "bytestream.h"
 
 #include "libavutil/imgutils.h"
-#include "libavutil/lzo.h" // for av_memcpy_backptr
+#include "libavutil/mem.h"
 
 typedef struct DfaContext {
     AVFrame pic;

libavcodec/eatgv.c

@@ -31,8 +31,8 @@
 #include "avcodec.h"
 #define BITSTREAM_READER_LE
 #include "get_bits.h"
-#include "libavutil/lzo.h"
 #include "libavutil/imgutils.h"
+#include "libavutil/mem.h"
 
 #define EA_PREAMBLE_SIZE    8
 #define kVGT_TAG MKTAG('k', 'V', 'G', 'T')

libavcodec/g723_1.c

@@ -27,7 +27,7 @@
 
 #define BITSTREAM_READER_LE
 #include "libavutil/audioconvert.h"
-#include "libavutil/lzo.h"
+#include "libavutil/mem.h"
 #include "libavutil/opt.h"
 #include "avcodec.h"
 #include "internal.h"

libavcodec/lcldec.c

@@ -41,10 +41,10 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+#include "libavutil/mem.h"
 #include "avcodec.h"
 #include "bytestream.h"
 #include "lcl.h"
-#include "libavutil/lzo.h"
 
 #if CONFIG_ZLIB_DECODER
 #include <zlib.h>

libavcodec/wmavoice.c

@@ -29,6 +29,7 @@
 
 #include <math.h>
 
+#include "libavutil/mem.h"
 #include "dsputil.h"
 #include "avcodec.h"
 #include "get_bits.h"
@@ -38,7 +39,6 @@
 #include "acelp_vectors.h"
 #include "acelp_filters.h"
 #include "lsp.h"
-#include "libavutil/lzo.h"
 #include "dct.h"
 #include "rdft.h"
 #include "sinewin.h"

libavcodec/xan.c

@@ -33,12 +33,11 @@
 #include <string.h>
 
 #include "libavutil/intreadwrite.h"
+#include "libavutil/mem.h"
 #include "avcodec.h"
 #include "bytestream.h"
 #define BITSTREAM_READER_LE
 #include "get_bits.h"
-// for av_memcpy_backptr
-#include "libavutil/lzo.h"
 
 #define RUNTIME_GAMMA 0
 

libavcodec/xxan.c

@@ -22,11 +22,10 @@
 
 #include "avcodec.h"
 #include "libavutil/intreadwrite.h"
+#include "libavutil/mem.h"
 #include "bytestream.h"
 #define BITSTREAM_READER_LE
 #include "get_bits.h"
-// for av_memcpy_backptr
-#include "libavutil/lzo.h"
 
 typedef struct XanContext {
     AVCodecContext *avctx;

libavformat/matroskadec.c

@@ -1078,6 +1078,7 @@ static int matroska_decode_buffer(uint8_t** buf, int* buf_size,
         memcpy(pkt_data + header_size, data, isize);
         break;
     }
+#if CONFIG_LZO
     case MATROSKA_TRACK_ENCODING_COMP_LZO:
         do {
             olen = pkt_size *= 3;
@@ -1095,6 +1096,7 @@ static int matroska_decode_buffer(uint8_t** buf, int* buf_size,
         }
         pkt_size -= olen;
         break;
+#endif
 #if CONFIG_ZLIB
     case MATROSKA_TRACK_ENCODING_COMP_ZLIB: {
         z_stream zstream = {0};
@@ -1548,14 +1550,17 @@ static int matroska_read_header(AVFormatContext *s)
                    "Multiple combined encodings not supported");
         } else if (encodings_list->nb_elem == 1) {
             if (encodings[0].type ||
-                (encodings[0].compression.algo != MATROSKA_TRACK_ENCODING_COMP_HEADERSTRIP &&
+                (
 #if CONFIG_ZLIB
                  encodings[0].compression.algo != MATROSKA_TRACK_ENCODING_COMP_ZLIB &&
 #endif
 #if CONFIG_BZLIB
                  encodings[0].compression.algo != MATROSKA_TRACK_ENCODING_COMP_BZLIB &&
 #endif
-                 encodings[0].compression.algo != MATROSKA_TRACK_ENCODING_COMP_LZO)) {
+#if CONFIG_LZO
+                 encodings[0].compression.algo != MATROSKA_TRACK_ENCODING_COMP_LZO &&
+#endif
+                 encodings[0].compression.algo != MATROSKA_TRACK_ENCODING_COMP_HEADERSTRIP)) {
                 encodings[0].scope = 0;
                 av_log(matroska->ctx, AV_LOG_ERROR,
                        "Unsupported encoding type");

libavformat/smoothstreamingenc.c

@@ -559,12 +559,15 @@ static int ism_write_packet(AVFormatContext *s, AVPacket *pkt)
     SmoothStreamingContext *c = s->priv_data;
     AVStream *st = s->streams[pkt->stream_index];
     OutputStream *os = &c->streams[pkt->stream_index];
-    int64_t end_pts = (c->nb_fragments + 1) * c->min_frag_duration;
+    int64_t end_dts = (c->nb_fragments + 1) * c->min_frag_duration;
     int ret;
 
+    if (st->first_dts == AV_NOPTS_VALUE)
+        st->first_dts = pkt->dts;
+
     if ((!c->has_video || st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
-        av_compare_ts(pkt->pts, st->time_base,
-                      end_pts, AV_TIME_BASE_Q) >= 0 &&
+        av_compare_ts(pkt->dts - st->first_dts, st->time_base,
+                      end_dts, AV_TIME_BASE_Q) >= 0 &&
         pkt->flags & AV_PKT_FLAG_KEY && os->packets_written) {
 
         if ((ret = ism_flush(s, 0)) < 0)