Merge remote-tracking branch 'qatar/master'

* qatar/master:
  v410dec: Implement explode mode support
  zerocodec: fix direct rendering.
  wav: init st to NULL to avoid a false-positive warning.
  wavpack: set bits_per_raw_sample for S32 samples to properly identify 24-bit
  h264: refactor NAL decode loop
  RTMPTE protocol support
  RTMPE protocol support
  rtmp: Add ff_rtmp_calc_digest_pos()
  rtmp: Rename rtmp_calc_digest to ff_rtmp_calc_digest and make it global
  swscale: add missing HAVE_INLINE_ASM check.
  lavfi: place x86 inline assembly under HAVE_INLINE_ASM.
  vc1: Add a test for interlaced field pictures
  swscale: Mark all init functions as av_cold
  swscale: x86: Drop pointless _mmx suffix from filenames
  lavf: use conditional notation for default codec in muxer declarations.
  swscale: place inline assembly bilinear scaler under HAVE_INLINE_ASM.
  dsputil: ppc: cosmetics: pretty-print
  dsputil: x86: add SHUFFLE_MASK_W macro
  configure: respect CC_O setting in check_cc

Conflicts:
	Changelog
	configure
	libavcodec/v410dec.c
	libavcodec/zerocodec.c
	libavformat/asfenc.c
	libavformat/version.h
	libswscale/utils.c
	libswscale/x86/swscale.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Changelog

@@ -21,21 +21,8 @@ version next:
 - Microsoft Expression Encoder Screen decoder
 - RTMPS protocol support
 - RTMPTS protocol support
-- showwaves filter
-- LucasArts SMUSH playback support
-- SAMI demuxer and decoder
-- RealText demuxer and decoder
-- Heart Of Darkness PAF playback support
-- iec61883 device
-- asettb filter
-- new option: -progress
-- 3GPP Timed Text decoder
-- GeoTIFF decoder support
-- ffmpeg -(no)stdin option
-- Opus decoder using libopus
-- caca output device using libcaca
-- alphaextract and alphamerge filters
-- concat filter
+- RTMPE protocol support
+- RTMPTE protocol support
 
 
 version 0.11:

configure

@@ -667,11 +667,15 @@ check_cmd(){
     "$@" >> $logfile 2>&1
 }
 
+cc_o(){
+    eval printf '%s\\n' $CC_O
+}
+
 check_cc(){
     log check_cc "$@"
     cat > $TMPC
     log_file $TMPC
-    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
+    check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c $(cc_o $TMPO) $TMPC
 }
 
 check_cxx(){
@@ -1055,6 +1059,7 @@ CONFIG_LIST="
     fft
     fontconfig
     frei0r
+    gcrypt
     gnutls
     gpl
     gray
@@ -1100,6 +1105,7 @@ CONFIG_LIST="
     memalign_hack
     memory_poisoning
     mpegaudiodsp
+    nettle
     network
     nonfree
     openal
@@ -1731,6 +1737,9 @@ x11_grab_device_indev_deps="x11grab"
 
 # protocols
 bluray_protocol_deps="libbluray"
+ffrtmpcrypt_protocol_deps="!librtmp_protocol"
+ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
+ffrtmpcrypt_protocol_select="tcp_protocol"
 ffrtmphttp_protocol_deps="!librtmp_protocol"
 ffrtmphttp_protocol_select="http_protocol"
 gopher_protocol_deps="network"
@@ -1748,9 +1757,11 @@ mmsh_protocol_select="http_protocol"
 mmst_protocol_deps="network"
 rtmp_protocol_deps="!librtmp_protocol"
 rtmp_protocol_select="tcp_protocol"
+rtmpe_protocol_select="ffrtmpcrypt_protocol"
 rtmps_protocol_deps="!librtmp_protocol"
 rtmps_protocol_select="tls_protocol"
 rtmpt_protocol_select="ffrtmphttp_protocol"
+rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
 rtmpts_protocol_select="ffrtmphttp_protocol"
 rtp_protocol_select="udp_protocol"
 sctp_protocol_deps="network netinet_sctp_h"
@@ -2371,12 +2382,10 @@ elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
 elif $cc -version 2>/dev/null | grep -q TMS470; then
     cc_type=tms470
     cc_ident=$($cc -version | head -n1 | tr -s ' ')
-    cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
-    CC_O='-fr=$(@D)'
+    cc="$cc --gcc --abi=eabi -me"
+    CC_O='-fe=$@'
     as_default="${cross_prefix}gcc"
     ld_default="${cross_prefix}gcc"
-    TMPO=$(basename $TMPC .c).o
-    append TMPFILES $TMPO
     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
     AS_DEPFLAGS='-MMD'
@@ -3375,6 +3384,11 @@ enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto
                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
                         die "ERROR: openssl not found"; }
 
+if enabled gnutls; then
+    { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
+    { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
+fi
+
 # libdc1394 check
 if enabled libdc1394; then
     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&

doc/general.texi

@@ -904,10 +904,10 @@ performance on systems without hardware floating point support).
 @item MMST         @tab X
 @item pipe         @tab X
 @item RTMP         @tab X
-@item RTMPE        @tab E
+@item RTMPE        @tab X
 @item RTMPS        @tab X
 @item RTMPT        @tab X
-@item RTMPTE       @tab E
+@item RTMPTE       @tab X
 @item RTMPTS       @tab X
 @item RTP          @tab X
 @item SCTP         @tab X

doc/protocols.texi

@@ -277,6 +277,15 @@ For example to read with @command{ffplay} a multimedia resource named
 ffplay rtmp://myserver/vod/sample
 @end example
 
+@section rtmpe
+
+Encrypted Real-Time Messaging Protocol.
+
+The Encrypted Real-Time Messaging Protocol (RTMPE) is used for
+streaming multimedia content within standard cryptographic primitives,
+consisting of Diffie-Hellman key exchange and HMACSHA256, generating
+a pair of RC4 keys.
+
 @section rtmps
 
 Real-Time Messaging Protocol over a secure SSL connection.
@@ -292,6 +301,14 @@ The Real-Time Messaging Protocol tunneled through HTTP (RTMPT) is used
 for streaming multimedia content within HTTP requests to traverse
 firewalls.
 
+@section rtmpte
+
+Encrypted Real-Time Messaging Protocol tunneled through HTTP.
+
+The Encrypted Real-Time Messaging Protocol tunneled through HTTP (RTMPTE)
+is used for streaming multimedia content within HTTP requests to traverse
+firewalls.
+
 @section rtmpts
 
 Real-Time Messaging Protocol tunneled through HTTPS.

libavcodec/h264.c

@@ -188,42 +188,50 @@ const uint8_t *ff_h264_decode_nal(H264Context *h, const uint8_t *src,
     src++;
     length--;
 
+#define STARTCODE_TEST                                                  \
+        if (i + 2 < length && src[i + 1] == 0 && src[i + 2] <= 3) {     \
+            if (src[i + 2] != 3) {                                      \
+                /* startcode, so we must be past the end */             \
+                length = i;                                             \
+            }                                                           \
+            break;                                                      \
+        }
 #if HAVE_FAST_UNALIGNED
+#define FIND_FIRST_ZERO                                                 \
+        if (i > 0 && !src[i])                                           \
+            i--;                                                        \
+        while (src[i])                                                  \
+            i++
 #if HAVE_FAST_64BIT
-#define RS 7
     for (i = 0; i + 1 < length; i += 9) {
         if (!((~AV_RN64A(src + i) &
                (AV_RN64A(src + i) - 0x0100010001000101ULL)) &
               0x8000800080008080ULL))
+            continue;
+        FIND_FIRST_ZERO;
+        STARTCODE_TEST;
+        i -= 7;
+    }
 #else
-#define RS 3
     for (i = 0; i + 1 < length; i += 5) {
         if (!((~AV_RN32A(src + i) &
                (AV_RN32A(src + i) - 0x01000101U)) &
               0x80008080U))
-#endif
             continue;
-        if (i > 0 && !src[i])
-            i--;
-        while (src[i])
-            i++;
+        FIND_FIRST_ZERO;
+        STARTCODE_TEST;
+        i -= 3;
+    }
+#endif
 #else
-#define RS 0
     for (i = 0; i + 1 < length; i += 2) {
         if (src[i])
             continue;
         if (i > 0 && src[i - 1] == 0)
             i--;
-#endif
-        if (i + 2 < length && src[i + 1] == 0 && src[i + 2] <= 3) {
-            if (src[i + 2] != 3) {
-                /* startcode, so we must be past the end */
-                length = i;
-            }
-            break;
-        }
-        i -= RS;
+        STARTCODE_TEST;
     }
+#endif
 
     // use second escape buffer for inter data
     bufidx = h->nal_unit_type == NAL_DPC ? 1 : 0;

libavcodec/ppc/fmtconvert_altivec.c

@@ -23,7 +23,8 @@
 #include "libavutil/ppc/util_altivec.h"
 #include "dsputil_altivec.h"
 
-static void int32_to_float_fmul_scalar_altivec(float *dst, const int *src, float mul, int len)
+static void int32_to_float_fmul_scalar_altivec(float *dst, const int *src,
+                                               float mul, int len)
 {
     union {
         vector float v;
@@ -36,7 +37,7 @@ static void int32_to_float_fmul_scalar_altivec(float *dst, const int *src, float
     mul_u.s[0] = mul;
     mul_v = vec_splat(mul_u.v, 0);
 
-    for(i=0; i<len; i+=8) {
+    for (i = 0; i < len; i += 8) {
         src1 = vec_ctf(vec_ld(0,  src+i), 0);
         src2 = vec_ctf(vec_ld(16, src+i), 0);
         dst1 = vec_madd(src1, mul_v, zero);
@@ -47,8 +48,7 @@ static void int32_to_float_fmul_scalar_altivec(float *dst, const int *src, float
 }
 
 
-static vector signed short
-float_to_int16_one_altivec(const float *src)
+static vector signed short float_to_int16_one_altivec(const float *src)
 {
     vector float s0 = vec_ld(0, src);
     vector float s1 = vec_ld(16, src);
@@ -62,80 +62,82 @@ static void float_to_int16_altivec(int16_t *dst, const float *src, long len)
     int i;
     vector signed short d0, d1, d;
     vector unsigned char align;
-    if(((long)dst)&15) //FIXME
-    for(i=0; i<len-7; i+=8) {
-        d0 = vec_ld(0, dst+i);
-        d = float_to_int16_one_altivec(src+i);
-        d1 = vec_ld(15, dst+i);
-        d1 = vec_perm(d1, d0, vec_lvsl(0,dst+i));
-        align = vec_lvsr(0, dst+i);
-        d0 = vec_perm(d1, d, align);
-        d1 = vec_perm(d, d1, align);
-        vec_st(d0, 0, dst+i);
-        vec_st(d1,15, dst+i);
-    }
-    else
-    for(i=0; i<len-7; i+=8) {
-        d = float_to_int16_one_altivec(src+i);
-        vec_st(d, 0, dst+i);
+    if (((long)dst) & 15) { //FIXME
+        for (i = 0; i < len - 7; i += 8) {
+            d0 = vec_ld(0, dst+i);
+            d  = float_to_int16_one_altivec(src + i);
+            d1 = vec_ld(15, dst+i);
+            d1 = vec_perm(d1, d0, vec_lvsl(0, dst + i));
+            align = vec_lvsr(0, dst + i);
+            d0 = vec_perm(d1, d, align);
+            d1 = vec_perm(d, d1, align);
+            vec_st(d0,  0, dst + i);
+            vec_st(d1, 15, dst + i);
+        }
+    } else {
+        for (i = 0; i < len - 7; i += 8) {
+            d = float_to_int16_one_altivec(src + i);
+            vec_st(d, 0, dst + i);
+        }
     }
 }
 
-static void
-float_to_int16_interleave_altivec(int16_t *dst, const float **src,
-                                  long len, int channels)
+static void float_to_int16_interleave_altivec(int16_t *dst, const float **src,
+                                              long len, int channels)
 {
     int i;
     vector signed short d0, d1, d2, c0, c1, t0, t1;
     vector unsigned char align;
-    if(channels == 1)
+
+    if (channels == 1)
         float_to_int16_altivec(dst, src[0], len);
-    else
+    else {
         if (channels == 2) {
-        if(((long)dst)&15)
-        for(i=0; i<len-7; i+=8) {
-            d0 = vec_ld(0, dst + i);
-            t0 = float_to_int16_one_altivec(src[0] + i);
-            d1 = vec_ld(31, dst + i);
-            t1 = float_to_int16_one_altivec(src[1] + i);
-            c0 = vec_mergeh(t0, t1);
-            c1 = vec_mergel(t0, t1);
-            d2 = vec_perm(d1, d0, vec_lvsl(0, dst + i));
-            align = vec_lvsr(0, dst + i);
-            d0 = vec_perm(d2, c0, align);
-            d1 = vec_perm(c0, c1, align);
-            vec_st(d0,  0, dst + i);
-            d0 = vec_perm(c1, d2, align);
-            vec_st(d1, 15, dst + i);
-            vec_st(d0, 31, dst + i);
-            dst+=8;
-        }
-        else
-        for(i=0; i<len-7; i+=8) {
-            t0 = float_to_int16_one_altivec(src[0] + i);
-            t1 = float_to_int16_one_altivec(src[1] + i);
-            d0 = vec_mergeh(t0, t1);
-            d1 = vec_mergel(t0, t1);
-            vec_st(d0,  0, dst + i);
-            vec_st(d1, 16, dst + i);
-            dst+=8;
-        }
-    } else {
-        DECLARE_ALIGNED(16, int16_t, tmp)[len];
-        int c, j;
-        for (c = 0; c < channels; c++) {
-            float_to_int16_altivec(tmp, src[c], len);
-            for (i = 0, j = c; i < len; i++, j+=channels) {
-                dst[j] = tmp[i];
+            if (((long)dst) & 15) {
+                for (i = 0; i < len - 7; i += 8) {
+                    d0 = vec_ld(0,  dst + i);
+                    t0 = float_to_int16_one_altivec(src[0] + i);
+                    d1 = vec_ld(31, dst + i);
+                    t1 = float_to_int16_one_altivec(src[1] + i);
+                    c0 = vec_mergeh(t0, t1);
+                    c1 = vec_mergel(t0, t1);
+                    d2 = vec_perm(d1, d0, vec_lvsl(0, dst + i));
+                    align = vec_lvsr(0, dst + i);
+                    d0 = vec_perm(d2, c0, align);
+                    d1 = vec_perm(c0, c1, align);
+                    vec_st(d0,  0, dst + i);
+                    d0 = vec_perm(c1, d2, align);
+                    vec_st(d1, 15, dst + i);
+                    vec_st(d0, 31, dst + i);
+                    dst += 8;
+                }
+            } else {
+                for (i = 0; i < len - 7; i += 8) {
+                    t0 = float_to_int16_one_altivec(src[0] + i);
+                    t1 = float_to_int16_one_altivec(src[1] + i);
+                    d0 = vec_mergeh(t0, t1);
+                    d1 = vec_mergel(t0, t1);
+                    vec_st(d0,  0, dst + i);
+                    vec_st(d1, 16, dst + i);
+                    dst += 8;
+                }
+            }
+        } else {
+            DECLARE_ALIGNED(16, int16_t, tmp)[len];
+            int c, j;
+            for (c = 0; c < channels; c++) {
+                float_to_int16_altivec(tmp, src[c], len);
+                for (i = 0, j = c; i < len; i++, j+=channels)
+                    dst[j] = tmp[i];
             }
         }
-   }
+    }
 }
 
 void ff_fmt_convert_init_altivec(FmtConvertContext *c, AVCodecContext *avctx)
 {
     c->int32_to_float_fmul_scalar = int32_to_float_fmul_scalar_altivec;
-    if(!(avctx->flags & CODEC_FLAG_BITEXACT)) {
+    if (!(avctx->flags & CODEC_FLAG_BITEXACT)) {
         c->float_to_int16 = float_to_int16_altivec;
         c->float_to_int16_interleave = float_to_int16_interleave_altivec;
     }

libavcodec/v410dec.c

@@ -29,7 +29,12 @@ static av_cold int v410_decode_init(AVCodecContext *avctx)
     avctx->bits_per_raw_sample = 10;
 
     if (avctx->width & 1) {
-        av_log(avctx, AV_LOG_WARNING, "v410 requires width to be even.\n");
+        if (avctx->err_recognition & AV_EF_EXPLODE) {
+            av_log(avctx, AV_LOG_ERROR, "v410 requires width to be even, continuing anyway.\n");
+            return AVERROR_INVALIDDATA;
+        } else {
+            av_log(avctx, AV_LOG_WARNING, "v410 requires width to be even.\n");
+        }
     }
 
     avctx->coded_frame = avcodec_alloc_frame();

libavcodec/x86/dsputil_yasm.asm

@@ -28,7 +28,7 @@ pb_zzzzzzzz77777777: times 8 db -1
 pb_7: times 8 db 7
 pb_zzzz3333zzzzbbbb: db -1,-1,-1,-1,3,3,3,3,-1,-1,-1,-1,11,11,11,11
 pb_zz11zz55zz99zzdd: db -1,-1,1,1,-1,-1,5,5,-1,-1,9,9,-1,-1,13,13
-pb_revwords: db 14, 15, 12, 13, 10, 11, 8, 9, 6, 7, 4, 5, 2, 3, 0, 1
+pb_revwords: SHUFFLE_MASK_W 7, 6, 5, 4, 3, 2, 1, 0
 pd_16384: times 4 dd 16384
 pb_bswap32: db 3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8, 15, 14, 13, 12
 

libavcodec/zerocodec.c

@@ -94,7 +94,7 @@ static int zerocodec_decode_frame(AVCodecContext *avctx, void *data,
     if (prev_pic->data[0])
         avctx->release_buffer(avctx, prev_pic);
 
-    *data_size = sizeof(AVFrame);
+    *data_size       = sizeof(AVFrame);
     *(AVFrame *)data = *pic;
 
     /* Store the previous frame for use later.

libavfilter/x86/gradfun.c

@@ -23,6 +23,8 @@
 #include "libavutil/x86_cpu.h"
 #include "libavfilter/gradfun.h"
 
+#if HAVE_INLINE_ASM
+
 DECLARE_ALIGNED(16, static const uint16_t, pw_7f)[8] = {0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F};
 DECLARE_ALIGNED(16, static const uint16_t, pw_ff)[8] = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};
 
@@ -164,10 +166,13 @@ static void gradfun_blur_line_sse2(uint16_t *dc, uint16_t *buf, const uint16_t *
 }
 #endif // HAVE_SSE
 
+#endif /* HAVE_INLINE_ASM */
+
 av_cold void ff_gradfun_init_x86(GradFunContext *gf)
 {
     int cpu_flags = av_get_cpu_flags();
 
+#if HAVE_INLINE_ASM
 #if HAVE_MMX2
     if (cpu_flags & AV_CPU_FLAG_MMX2)
         gf->filter_line = gradfun_filter_line_mmx2;
@@ -180,4 +185,5 @@ av_cold void ff_gradfun_init_x86(GradFunContext *gf)
     if (cpu_flags & AV_CPU_FLAG_SSE2)
         gf->blur_line = gradfun_blur_line_sse2;
 #endif
+#endif /* HAVE_INLINE_ASM */
 }

libavfilter/x86/yadif.c

@@ -24,6 +24,8 @@
 #include "libavcodec/x86/dsputil_mmx.h"
 #include "libavfilter/yadif.h"
 
+#if HAVE_INLINE_ASM
+
 DECLARE_ASM_CONST(16, const xmm_reg, pb_1) = {0x0101010101010101ULL, 0x0101010101010101ULL};
 DECLARE_ASM_CONST(16, const xmm_reg, pw_1) = {0x0001000100010001ULL, 0x0001000100010001ULL};
 
@@ -49,10 +51,13 @@ DECLARE_ASM_CONST(16, const xmm_reg, pw_1) = {0x0001000100010001ULL, 0x000100010
 #include "yadif_template.c"
 #endif
 
+#endif /* HAVE_INLINE_ASM */
+
 av_cold void ff_yadif_init_x86(YADIFContext *yadif)
 {
     int cpu_flags = av_get_cpu_flags();
 
+#if HAVE_INLINE_ASM
 #if HAVE_MMX
     if (cpu_flags & AV_CPU_FLAG_MMX)
         yadif->filter_line = yadif_filter_line_mmx;
@@ -65,4 +70,5 @@ av_cold void ff_yadif_init_x86(YADIFContext *yadif)
     if (cpu_flags & AV_CPU_FLAG_SSSE3)
         yadif->filter_line = yadif_filter_line_ssse3;
 #endif
+#endif /* HAVE_INLINE_ASM */
 }

libavformat/Makefile

@@ -374,6 +374,7 @@ OBJS-$(CONFIG_BLURAY_PROTOCOL)           += bluray.o
 OBJS-$(CONFIG_CACHE_PROTOCOL)            += cache.o
 OBJS-$(CONFIG_CONCAT_PROTOCOL)           += concat.o
 OBJS-$(CONFIG_CRYPTO_PROTOCOL)           += crypto.o
+OBJS-$(CONFIG_FFRTMPCRYPT_PROTOCOL)      += rtmpcrypt.o rtmpdh.o
 OBJS-$(CONFIG_FFRTMPHTTP_PROTOCOL)       += rtmphttp.o
 OBJS-$(CONFIG_FILE_PROTOCOL)             += file.o
 OBJS-$(CONFIG_GOPHER_PROTOCOL)           += gopher.o
@@ -386,8 +387,10 @@ OBJS-$(CONFIG_MMST_PROTOCOL)             += mmst.o mms.o asf.o
 OBJS-$(CONFIG_MD5_PROTOCOL)              += md5proto.o
 OBJS-$(CONFIG_PIPE_PROTOCOL)             += file.o
 OBJS-$(CONFIG_RTMP_PROTOCOL)             += rtmpproto.o rtmppkt.o
+OBJS-$(CONFIG_RTMPE_PROTOCOL)            += rtmpproto.o rtmppkt.o
 OBJS-$(CONFIG_RTMPS_PROTOCOL)            += rtmpproto.o rtmppkt.o
 OBJS-$(CONFIG_RTMPT_PROTOCOL)            += rtmpproto.o rtmppkt.o
+OBJS-$(CONFIG_RTMPTE_PROTOCOL)           += rtmpproto.o rtmppkt.o
 OBJS-$(CONFIG_RTMPTS_PROTOCOL)           += rtmpproto.o rtmppkt.o
 OBJS-$(CONFIG_RTP_PROTOCOL)              += rtpproto.o
 OBJS-$(CONFIG_SCTP_PROTOCOL)             += sctp.o

libavformat/allformats.c

@@ -272,6 +272,7 @@ void av_register_all(void)
     REGISTER_PROTOCOL (CACHE, cache);
     REGISTER_PROTOCOL (CONCAT, concat);
     REGISTER_PROTOCOL (CRYPTO, crypto);
+    REGISTER_PROTOCOL (FFRTMPCRYPT, ffrtmpcrypt);
     REGISTER_PROTOCOL (FFRTMPHTTP, ffrtmphttp);
     REGISTER_PROTOCOL (FILE, file);
     REGISTER_PROTOCOL (GOPHER, gopher);
@@ -284,8 +285,10 @@ void av_register_all(void)
     REGISTER_PROTOCOL (MD5,  md5);
     REGISTER_PROTOCOL (PIPE, pipe);
     REGISTER_PROTOCOL (RTMP, rtmp);
+    REGISTER_PROTOCOL (RTMPE, rtmpe);
     REGISTER_PROTOCOL (RTMPS, rtmps);
     REGISTER_PROTOCOL (RTMPT, rtmpt);
+    REGISTER_PROTOCOL (RTMPTE, rtmpte);
     REGISTER_PROTOCOL (RTMPTS, rtmpts);
     REGISTER_PROTOCOL (RTP, rtp);
     REGISTER_PROTOCOL (SCTP, sctp);

libavformat/avienc.c

@@ -654,11 +654,7 @@ AVOutputFormat ff_avi_muxer = {
     .mime_type         = "video/x-msvideo",
     .extensions        = "avi",
     .priv_data_size    = sizeof(AVIContext),
-#if CONFIG_LIBMP3LAME_ENCODER
-    .audio_codec       = CODEC_ID_MP3,
-#else
-    .audio_codec       = CODEC_ID_AC3,
-#endif
+    .audio_codec       = CONFIG_LIBMP3LAME ? CODEC_ID_MP3 : CODEC_ID_AC3,
     .video_codec       = CODEC_ID_MPEG4,
     .write_header      = avi_write_header,
     .write_packet      = avi_write_packet,

libavformat/flvenc.c

@@ -570,11 +570,7 @@ AVOutputFormat ff_flv_muxer = {
     .mime_type      = "video/x-flv",
     .extensions     = "flv",
     .priv_data_size = sizeof(FLVContext),
-#if CONFIG_LIBMP3LAME
-    .audio_codec    = CODEC_ID_MP3,
-#else // CONFIG_LIBMP3LAME
-    .audio_codec    = CODEC_ID_ADPCM_SWF,
-#endif // CONFIG_LIBMP3LAME
+    .audio_codec    = CONFIG_LIBMP3LAME ? CODEC_ID_MP3 : CODEC_ID_ADPCM_SWF,
     .video_codec    = CODEC_ID_FLV1,
     .write_header   = flv_write_header,
     .write_packet   = flv_write_packet,

libavformat/matroskaenc.c

@@ -1311,16 +1311,10 @@ AVOutputFormat ff_matroska_muxer = {
     .mime_type         = "video/x-matroska",
     .extensions        = "mkv",
     .priv_data_size    = sizeof(MatroskaMuxContext),
-#if CONFIG_LIBVORBIS_ENCODER
-    .audio_codec       = CODEC_ID_VORBIS,
-#else
-    .audio_codec       = CODEC_ID_AC3,
-#endif
-#if CONFIG_LIBX264_ENCODER
-    .video_codec       = CODEC_ID_H264,
-#else
-    .video_codec       = CODEC_ID_MPEG4,
-#endif
+    .audio_codec       = CONFIG_LIBVORBIS_ENCODER ?
+                         CODEC_ID_VORBIS : CODEC_ID_AC3,
+    .video_codec       = CONFIG_LIBX264_ENCODER ?
+                         CODEC_ID_H264 : CODEC_ID_MPEG4,
     .write_header      = mkv_write_header,
     .write_packet      = mkv_write_packet,
     .write_trailer     = mkv_write_trailer,
@@ -1355,11 +1349,8 @@ AVOutputFormat ff_matroska_audio_muxer = {
     .mime_type         = "audio/x-matroska",
     .extensions        = "mka",
     .priv_data_size    = sizeof(MatroskaMuxContext),
-#if CONFIG_LIBVORBIS_ENCODER
-    .audio_codec       = CODEC_ID_VORBIS,
-#else
-    .audio_codec       = CODEC_ID_AC3,
-#endif
+    .audio_codec       = CONFIG_LIBVORBIS_ENCODER ?
+                         CODEC_ID_VORBIS : CODEC_ID_AC3,
     .video_codec       = CODEC_ID_NONE,
     .write_header      = mkv_write_header,
     .write_packet      = mkv_write_packet,

libavformat/movenc.c

@@ -3584,11 +3584,8 @@ AVOutputFormat ff_mov_muxer = {
     .extensions        = "mov",
     .priv_data_size    = sizeof(MOVMuxContext),
     .audio_codec       = CODEC_ID_AAC,
-#if CONFIG_LIBX264_ENCODER
-    .video_codec       = CODEC_ID_H264,
-#else
-    .video_codec       = CODEC_ID_MPEG4,
-#endif
+    .video_codec       = CONFIG_LIBX264_ENCODER ?
+                         CODEC_ID_H264 : CODEC_ID_MPEG4,
     .write_header      = mov_write_header,
     .write_packet      = mov_write_packet,
     .write_trailer     = mov_write_trailer,
@@ -3625,11 +3622,8 @@ AVOutputFormat ff_mp4_muxer = {
     .extensions        = "mp4",
     .priv_data_size    = sizeof(MOVMuxContext),
     .audio_codec       = CODEC_ID_AAC,
-#if CONFIG_LIBX264_ENCODER
-    .video_codec       = CODEC_ID_H264,
-#else
-    .video_codec       = CODEC_ID_MPEG4,
-#endif
+    .video_codec       = CONFIG_LIBX264_ENCODER ?
+                         CODEC_ID_H264 : CODEC_ID_MPEG4,
     .write_header      = mov_write_header,
     .write_packet      = mov_write_packet,
     .write_trailer     = mov_write_trailer,
@@ -3646,11 +3640,8 @@ AVOutputFormat ff_psp_muxer = {
     .extensions        = "mp4,psp",
     .priv_data_size    = sizeof(MOVMuxContext),
     .audio_codec       = CODEC_ID_AAC,
-#if CONFIG_LIBX264_ENCODER
-    .video_codec       = CODEC_ID_H264,
-#else
-    .video_codec       = CODEC_ID_MPEG4,
-#endif
+    .video_codec       = CONFIG_LIBX264_ENCODER ?
+                         CODEC_ID_H264 : CODEC_ID_MPEG4,
     .write_header      = mov_write_header,
     .write_packet      = mov_write_packet,
     .write_trailer     = mov_write_trailer,

libavformat/nutenc.c

@@ -870,13 +870,8 @@ AVOutputFormat ff_nut_muxer = {
     .mime_type      = "video/x-nut",
     .extensions     = "nut",
     .priv_data_size = sizeof(NUTContext),
-#if   CONFIG_LIBVORBIS
-    .audio_codec    = CODEC_ID_VORBIS,
-#elif CONFIG_LIBMP3LAME
-    .audio_codec    = CODEC_ID_MP3,
-#else
-    .audio_codec    = CODEC_ID_MP2,
-#endif
+    .audio_codec    = CONFIG_LIBVORBIS ? CODEC_ID_VORBIS :
+                      CONFIG_LIBMP3LAME ? CODEC_ID_MP3 : CODEC_ID_MP2,
     .video_codec    = CODEC_ID_MPEG4,
     .write_header   = nut_write_header,
     .write_packet   = nut_write_packet,

libavformat/rtmp.h

@@ -29,6 +29,9 @@
 
 #define RTMP_HANDSHAKE_PACKET_SIZE 1536
 
+#define HMAC_IPAD_VAL 0x36
+#define HMAC_OPAD_VAL 0x5C
+
 /**
  * emulated Flash client version - 9.0.124.2 on Linux
  * @{
@@ -40,4 +43,29 @@
 #define RTMP_CLIENT_VER4    2
 /** @} */ //version defines
 
+/**
+ * Calculate HMAC-SHA2 digest for RTMP handshake packets.
+ *
+ * @param src    input buffer
+ * @param len    input buffer length (should be 1536)
+ * @param gap    offset in buffer where 32 bytes should not be taken into account
+ *               when calculating digest (since it will be used to store that digest)
+ * @param key    digest key
+ * @param keylen digest key length
+ * @param dst    buffer where calculated digest will be stored (32 bytes)
+ */
+int ff_rtmp_calc_digest(const uint8_t *src, int len, int gap,
+                        const uint8_t *key, int keylen, uint8_t *dst);
+
+/**
+ * Calculate digest position for RTMP handshake packets.
+ *
+ * @param buf input buffer (should be 1536 bytes)
+ * @param off offset in buffer where to start calculating digest position
+ * @param mod_val value used for computing modulo
+ * @param add_val value added at the end (after computing modulo)
+ */
+int ff_rtmp_calc_digest_pos(const uint8_t *buf, int off, int mod_val,
+                            int add_val);
+
 #endif /* AVFORMAT_RTMP_H */

libavformat/rtmpcrypt.h

+/*
+ * RTMPE encryption utilities
+ * Copyright (c) 2012 Samuel Pitoiset
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVFORMAT_RTMPCRYPT_H
+#define AVFORMAT_RTMPCRYPT_H
+
+#include <stdint.h>
+
+#include "url.h"
+
+/**
+ * Initialize the Diffie-Hellmann context and generate the public key.
+ *
+ * @param h     an URLContext
+ * @param buf   handshake data (1536 bytes)
+ * @return zero on success, negative value otherwise
+ */
+int ff_rtmpe_gen_pub_key(URLContext *h, uint8_t *buf);
+
+/**
+ * Compute the shared secret key and initialize the RC4 encryption.
+ *
+ * @param h             an URLContext
+ * @param serverdata    server data (1536 bytes)
+ * @param clientdata    client data (1536 bytes)
+ * @param type          the position of the server digest
+ * @return zero on success, negative value otherwise
+ */
+int ff_rtmpe_compute_secret_key(URLContext *h, const uint8_t *serverdata,
+                                const uint8_t *clientdata, int type);
+
+/**
+ * Encrypt the signature.
+ *
+ * @param h             an URLContext
+ * @param signature     the signature to encrypt
+ * @param digest        the digest used for finding the encryption key
+ * @param type          type of encryption (8 for XTEA, 9 for Blowfish)
+ */
+void ff_rtmpe_encrypt_sig(URLContext *h, uint8_t *signature,
+                          const uint8_t *digest, int type);
+
+/**
+ * Update the keystream and set RC4 keys for encryption.
+ *
+ * @param h an URLContext
+ * @return zero on success, negative value otherwise
+ */
+int ff_rtmpe_update_keystream(URLContext *h);
+
+#endif /* AVFORMAT_RTMPCRYPT_H */

libavformat/rtmpdh.c

+/*
+ * RTMP Diffie-Hellmann utilities
+ * Copyright (c) 2012 Samuel Pitoiset
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * RTMP Diffie-Hellmann utilities
+ */
+
+#include "config.h"
+#include "rtmpdh.h"
+
+#define P1024                                          \
+    "FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" \
+    "29024E088A67CC74020BBEA63B139B22514A08798E3404DD" \
+    "EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245" \
+    "E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED" \
+    "EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE65381" \
+    "FFFFFFFFFFFFFFFF"
+
+#define Q1024                                          \
+    "7FFFFFFFFFFFFFFFE487ED5110B4611A62633145C06E0E68" \
+    "948127044533E63A0105DF531D89CD9128A5043CC71A026E" \
+    "F7CA8CD9E69D218D98158536F92F8A1BA7F09AB6B6A8E122" \
+    "F242DABB312F3F637A262174D31BF6B585FFAE5B7A035BF6" \
+    "F71C35FDAD44CFD2D74F9208BE258FF324943328F67329C0" \
+    "FFFFFFFFFFFFFFFF"
+
+#if CONFIG_NETTLE || CONFIG_GCRYPT
+#if CONFIG_NETTLE
+#define bn_new(bn)                      \
+    do {                                \
+        bn = av_malloc(sizeof(*bn));    \
+        if (bn)                         \
+            mpz_init2(bn, 1);           \
+    } while (0)
+#define bn_free(bn)     \
+    do {                \
+        mpz_clear(bn);  \
+        av_free(bn);    \
+    } while (0)
+#define bn_set_word(bn, w)          mpz_set_ui(bn, w)
+#define bn_cmp(a, b)                mpz_cmp(a, b)
+#define bn_copy(to, from)           mpz_set(to, from)
+#define bn_sub_word(bn, w)          mpz_sub_ui(bn, bn, w)
+#define bn_cmp_1(bn)                mpz_cmp_ui(bn, 1)
+#define bn_num_bytes(bn)            (mpz_sizeinbase(bn, 2) + 7) / 8
+#define bn_bn2bin(bn, buf, len)     nettle_mpz_get_str_256(len, buf, bn)
+#define bn_bin2bn(bn, buf, len)                     \
+    do {                                            \
+        bn_new(bn);                                 \
+        if (bn)                                     \
+            nettle_mpz_set_str_256_u(bn, len, buf); \
+    } while (0)
+#define bn_hex2bn(bn, buf, ret)                     \
+    do {                                            \
+        bn_new(bn);                                 \
+        if (bn)                                     \
+            ret = (mpz_set_str(bn, buf, 16) == 0);  \
+    } while (0)
+#define bn_modexp(bn, y, q, p)      mpz_powm(bn, y, q, p)
+#define bn_random(bn, num_bytes)    mpz_random(bn, num_bytes);
+#elif CONFIG_GCRYPT
+#define bn_new(bn)                  bn = gcry_mpi_new(1)
+#define bn_free(bn)                 gcry_mpi_release(bn)
+#define bn_set_word(bn, w)          gcry_mpi_set_ui(bn, w)
+#define bn_cmp(a, b)                gcry_mpi_cmp(a, b)
+#define bn_copy(to, from)           gcry_mpi_set(to, from)
+#define bn_sub_word(bn, w)          gcry_mpi_sub_ui(bn, bn, w)
+#define bn_cmp_1(bn)                gcry_mpi_cmp_ui(bn, 1)
+#define bn_num_bytes(bn)            (gcry_mpi_get_nbits(bn) + 7) / 8
+#define bn_bn2bin(bn, buf, len)     gcry_mpi_print(GCRYMPI_FMT_USG, buf, len, NULL, bn)
+#define bn_bin2bn(bn, buf, len)     gcry_mpi_scan(&bn, GCRYMPI_FMT_USG, buf, len, NULL)
+#define bn_hex2bn(bn, buf, ret)     ret = (gcry_mpi_scan(&bn, GCRYMPI_FMT_HEX, buf, 0, 0) == 0)
+#define bn_modexp(bn, y, q, p)      gcry_mpi_powm(bn, y, q, p)
+#define bn_random(bn, num_bytes)    gcry_mpi_randomize(bn, num_bytes, GCRY_WEAK_RANDOM)
+#endif
+
+#define MAX_BYTES 18000
+
+#define dh_new()                    av_malloc(sizeof(FF_DH))
+
+static FFBigNum dh_generate_key(FF_DH *dh)
+{
+    int num_bytes;
+
+    num_bytes = bn_num_bytes(dh->p) - 1;
+    if (num_bytes <= 0 || num_bytes > MAX_BYTES)
+        return NULL;
+
+    bn_new(dh->priv_key);
+    if (!dh->priv_key)
+        return NULL;
+    bn_random(dh->priv_key, num_bytes);
+
+    bn_new(dh->pub_key);
+    if (!dh->pub_key) {
+        bn_free(dh->priv_key);
+        return NULL;
+    }
+
+    bn_modexp(dh->pub_key, dh->g, dh->priv_key, dh->p);
+
+    return dh->pub_key;
+}
+
+static int dh_compute_key(FF_DH *dh, FFBigNum pub_key_bn,
+                          uint32_t pub_key_len, uint8_t *secret_key)
+{
+    FFBigNum k;
+    int num_bytes;
+
+    num_bytes = bn_num_bytes(dh->p);
+    if (num_bytes <= 0 || num_bytes > MAX_BYTES)
+        return -1;
+
+    bn_new(k);
+    if (!k)
+        return -1;
+
+    bn_modexp(k, pub_key_bn, dh->priv_key, dh->p);
+    bn_bn2bin(k, secret_key, pub_key_len);
+    bn_free(k);
+
+    /* return the length of the shared secret key like DH_compute_key */
+    return pub_key_len;
+}
+
+void ff_dh_free(FF_DH *dh)
+{
+    bn_free(dh->p);
+    bn_free(dh->g);
+    bn_free(dh->pub_key);
+    bn_free(dh->priv_key);
+    av_free(dh);
+}
+#elif CONFIG_OPENSSL
+#define bn_new(bn)                  bn = BN_new()
+#define bn_free(bn)                 BN_free(bn)
+#define bn_set_word(bn, w)          BN_set_word(bn, w)
+#define bn_cmp(a, b)                BN_cmp(a, b)
+#define bn_copy(to, from)           BN_copy(to, from)
+#define bn_sub_word(bn, w)          BN_sub_word(bn, w)
+#define bn_cmp_1(bn)                BN_cmp(bn, BN_value_one())
+#define bn_num_bytes(bn)            BN_num_bytes(bn)
+#define bn_bn2bin(bn, buf, len)     BN_bn2bin(bn, buf)
+#define bn_bin2bn(bn, buf, len)     bn = BN_bin2bn(buf, len, 0)
+#define bn_hex2bn(bn, buf, ret)     ret = BN_hex2bn(&bn, buf)
+#define bn_modexp(bn, y, q, p)               \
+    do {                                     \
+        BN_CTX *ctx = BN_CTX_new();          \
+        if (!ctx)                            \
+            return AVERROR(ENOMEM);          \
+        if (!BN_mod_exp(bn, y, q, p, ctx)) { \
+            BN_CTX_free(ctx);                \
+            return AVERROR(EINVAL);          \
+        }                                    \
+        BN_CTX_free(ctx);                    \
+    } while (0)
+
+#define dh_new()                                DH_new()
+#define dh_generate_key(dh)                     DH_generate_key(dh)
+#define dh_compute_key(dh, pub, len, secret)    DH_compute_key(secret, pub, dh)
+
+void ff_dh_free(FF_DH *dh)
+{
+    DH_free(dh);
+}
+#endif
+
+static int dh_is_valid_public_key(FFBigNum y, FFBigNum p, FFBigNum q)
+{
+    FFBigNum bn = NULL;
+    int ret = AVERROR(EINVAL);
+
+    bn_new(bn);
+    if (!bn)
+        return AVERROR(ENOMEM);
+
+    /* y must lie in [2, p - 1] */
+    bn_set_word(bn, 1);
+    if (!bn_cmp(y, bn))
+        goto fail;
+
+    /* bn = p - 2 */
+    bn_copy(bn, p);
+    bn_sub_word(bn, 1);
+    if (!bn_cmp(y, bn))
+        goto fail;
+
+    /* Verify with Sophie-Germain prime
+     *
+     * This is a nice test to make sure the public key position is calculated
+     * correctly. This test will fail in about 50% of the cases if applied to
+     * random data.
+     */
+    /* y must fulfill y^q mod p = 1 */
+    bn_modexp(bn, y, q, p);
+
+    if (bn_cmp_1(bn))
+        goto fail;
+
+    ret = 0;
+fail:
+    bn_free(bn);
+
+    return ret;
+}
+
+av_cold FF_DH *ff_dh_init(int key_len)
+{
+    FF_DH *dh;
+    int ret;
+
+    if (!(dh = dh_new()))
+        return NULL;
+
+    bn_new(dh->g);
+    if (!dh->g)
+        goto fail;
+
+    bn_hex2bn(dh->p, P1024, ret);
+    if (!ret)
+        goto fail;
+
+    bn_set_word(dh->g, 2);
+    dh->length = key_len;
+
+    return dh;
+
+fail:
+    ff_dh_free(dh);
+
+    return NULL;
+}
+
+int ff_dh_generate_public_key(FF_DH *dh)
+{
+    int ret = 0;
+
+    while (!ret) {
+        FFBigNum q1 = NULL;
+
+        if (!dh_generate_key(dh))
+            return AVERROR(EINVAL);
+
+        bn_hex2bn(q1, Q1024, ret);
+        if (!ret)
+            return AVERROR(ENOMEM);
+
+        ret = dh_is_valid_public_key(dh->pub_key, dh->p, q1);
+        bn_free(q1);
+
+        if (!ret) {
+            /* the public key is valid */
+            break;
+        }
+    }
+
+    return ret;
+}
+
+int ff_dh_write_public_key(FF_DH *dh, uint8_t *pub_key, int pub_key_len)
+{
+    int len;
+
+    /* compute the length of the public key */
+    len = bn_num_bytes(dh->pub_key);
+    if (len <= 0 || len > pub_key_len)
+        return AVERROR(EINVAL);
+
+    /* convert the public key value into big-endian form */
+    memset(pub_key, 0, pub_key_len);
+    bn_bn2bin(dh->pub_key, pub_key + pub_key_len - len, len);
+
+    return 0;
+}
+
+int ff_dh_compute_shared_secret_key(FF_DH *dh, const uint8_t *pub_key,
+                                    int pub_key_len, uint8_t *secret_key)
+{
+    FFBigNum q1 = NULL, pub_key_bn = NULL;
+    int ret;
+
+    /* convert the big-endian form of the public key into a bignum */
+    bn_bin2bn(pub_key_bn, pub_key, pub_key_len);
+    if (!pub_key_bn)
+        return AVERROR(ENOMEM);
+
+    /* convert the string containing a hexadecimal number into a bignum */
+    bn_hex2bn(q1, Q1024, ret);
+    if (!ret) {
+        ret = AVERROR(ENOMEM);
+        goto fail;
+    }
+
+    /* when the public key is valid we have to compute the shared secret key */
+    if ((ret = dh_is_valid_public_key(pub_key_bn, dh->p, q1)) < 0) {
+        goto fail;
+    } else if ((ret = dh_compute_key(dh, pub_key_bn, pub_key_len,
+                                     secret_key)) < 0) {
+        ret = AVERROR(EINVAL);
+        goto fail;
+    }
+
+fail:
+    bn_free(pub_key_bn);
+    bn_free(q1);
+
+    return ret;
+}
+

libavformat/rtmpdh.h

+/*
+ * RTMP Diffie-Hellmann utilities
+ * Copyright (c) 2012 Samuel Pitoiset
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVFORMAT_RTMPDH_H
+#define AVFORMAT_RTMPDH_H
+
+#include "avformat.h"
+#include "config.h"
+
+#if CONFIG_NETTLE || CONFIG_GCRYPT
+#if CONFIG_NETTLE
+#include <gmp.h>
+#include <nettle/bignum.h>
+
+typedef mpz_ptr FFBigNum;
+#elif CONFIG_GCRYPT
+#include <gcrypt.h>
+
+typedef gcry_mpi_t FFBigNum;
+#endif
+
+typedef struct FF_DH {
+  FFBigNum p;
+  FFBigNum g;
+  FFBigNum pub_key;
+  FFBigNum priv_key;
+  long length;
+} FF_DH;
+
+#elif CONFIG_OPENSSL
+#include <openssl/bn.h>
+#include <openssl/dh.h>
+
+typedef BIGNUM *FFBigNum;
+typedef DH FF_DH;
+#endif
+
+/**
+ * Initialize a Diffie-Hellmann context.
+ *
+ * @param key_len length of the key
+ * @return a new Diffie-Hellmann context on success, NULL otherwise
+ */
+FF_DH *ff_dh_init(int key_len);
+
+/**
+ * Free a Diffie-Hellmann context.
+ *
+ * @param dh a Diffie-Hellmann context to free
+ */
+void ff_dh_free(FF_DH *dh);
+
+/**
+ * Generate a public key.
+ *
+ * @param dh a Diffie-Hellmann context
+ * @return zero on success, negative value otherwise
+ */
+int ff_dh_generate_public_key(FF_DH *dh);
+
+/**
+ * Write the public key into the given buffer.
+ *
+ * @param dh            a Diffie-Hellmann context, containing the public key to write
+ * @param pub_key       the buffer where the public key is written
+ * @param pub_key_len   the length of the buffer
+ * @return zero on success, negative value otherwise
+ */
+int ff_dh_write_public_key(FF_DH *dh, uint8_t *pub_key, int pub_key_len);
+
+/**
+ * Compute the shared secret key from the private FF_DH value and the
+ * other party's public value.
+ *
+ * @param dh            a Diffie-Hellmann context, containing the private key
+ * @param pub_key       the buffer containing the public key
+ * @param pub_key_len   the length of the buffer
+ * @param secret_key    the buffer where the secret key is written
+ * @return length of the shared secret key on success, negative value otherwise
+ */
+int ff_dh_compute_shared_secret_key(FF_DH *dh, const uint8_t *pub_key,
+                                    int pub_key_len, uint8_t *secret_key);
+
+#endif /* AVFORMAT_RTMPDH_H */

libavformat/version.h

@@ -30,7 +30,7 @@
 #include "libavutil/avutil.h"
 
 #define LIBAVFORMAT_VERSION_MAJOR 54
-#define LIBAVFORMAT_VERSION_MINOR 19
+#define LIBAVFORMAT_VERSION_MINOR 20
 #define LIBAVFORMAT_VERSION_MICRO 100
 
 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \

libavutil/x86/x86util.asm

@@ -625,3 +625,15 @@
     shufps       %1, %1, 0
 %endif
 %endmacro
+
+%macro SHUFFLE_MASK_W 8
+    %rep 8
+        %if %1>=0x80
+            db %1, %1
+        %else
+            db %1*2
+            db %1*2+1
+        %endif
+        %rotate 1
+    %endrep
+%endmacro

libswscale/output.c

@@ -24,6 +24,7 @@
 #include <stdio.h>
 #include <string.h>
 
+#include "libavutil/attributes.h"
 #include "libavutil/avutil.h"
 #include "libavutil/avassert.h"
 #include "libavutil/bswap.h"
@@ -1260,13 +1261,13 @@ YUV2RGBWRAPPERX(yuv2, rgb_full, xrgb32_full, PIX_FMT_ARGB,  0)
 YUV2RGBWRAPPERX(yuv2, rgb_full, bgr24_full,  PIX_FMT_BGR24, 0)
 YUV2RGBWRAPPERX(yuv2, rgb_full, rgb24_full,  PIX_FMT_RGB24, 0)
 
-void ff_sws_init_output_funcs(SwsContext *c,
-                              yuv2planar1_fn *yuv2plane1,
-                              yuv2planarX_fn *yuv2planeX,
-                              yuv2interleavedX_fn *yuv2nv12cX,
-                              yuv2packed1_fn *yuv2packed1,
-                              yuv2packed2_fn *yuv2packed2,
-                              yuv2packedX_fn *yuv2packedX)
+av_cold void ff_sws_init_output_funcs(SwsContext *c,
+                                      yuv2planar1_fn *yuv2plane1,
+                                      yuv2planarX_fn *yuv2planeX,
+                                      yuv2interleavedX_fn *yuv2nv12cX,
+                                      yuv2packed1_fn *yuv2packed1,
+                                      yuv2packed2_fn *yuv2packed2,
+                                      yuv2packedX_fn *yuv2packedX)
 {
     enum PixelFormat dstFormat = c->dstFormat;
 

libswscale/ppc/swscale_altivec.c

@@ -26,6 +26,7 @@
 #include "config.h"
 #include "libswscale/swscale.h"
 #include "libswscale/swscale_internal.h"
+#include "libavutil/attributes.h"
 #include "libavutil/cpu.h"
 #include "yuv2rgb_altivec.h"
 
@@ -310,7 +311,7 @@ static void hScale_altivec_real(SwsContext *c, int16_t *dst, int dstW,
         }
 }
 
-void ff_sws_init_swScale_altivec(SwsContext *c)
+av_cold void ff_sws_init_swScale_altivec(SwsContext *c)
 {
     enum PixelFormat dstFormat = c->dstFormat;
 

libswscale/ppc/yuv2rgb_altivec.c

@@ -95,6 +95,7 @@
 #include "libswscale/rgb2rgb.h"
 #include "libswscale/swscale.h"
 #include "libswscale/swscale_internal.h"
+#include "libavutil/attributes.h"
 #include "libavutil/cpu.h"
 #include "libavutil/pixdesc.h"
 #include "yuv2rgb_altivec.h"
@@ -531,7 +532,7 @@ static int altivec_uyvy_rgb32(SwsContext *c, const unsigned char **in,
  *
  * So we just fall back to the C codes for this.
  */
-SwsFunc ff_yuv2rgb_init_altivec(SwsContext *c)
+av_cold SwsFunc ff_yuv2rgb_init_altivec(SwsContext *c)
 {
     if (!(av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC))
         return NULL;
@@ -591,9 +592,11 @@ SwsFunc ff_yuv2rgb_init_altivec(SwsContext *c)
     return NULL;
 }
 
-void ff_yuv2rgb_init_tables_altivec(SwsContext *c, const int inv_table[4],
-                                    int brightness, int contrast,
-                                    int saturation)
+av_cold void ff_yuv2rgb_init_tables_altivec(SwsContext *c,
+                                            const int inv_table[4],
+                                            int brightness,
+                                            int contrast,
+                                            int saturation)
 {
     union {
         DECLARE_ALIGNED(16, signed short, tmp)[8];

libswscale/rgb2rgb.c

@@ -25,6 +25,7 @@
 
 #include <inttypes.h>
 
+#include "libavutil/attributes.h"
 #include "libavutil/bswap.h"
 #include "config.h"
 #include "rgb2rgb.h"
@@ -125,7 +126,7 @@ void (*yuyvtoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
  * 32-bit C version, and and&add trick by Michael Niedermayer
  */
 
-void sws_rgb2rgb_init(void)
+av_cold void sws_rgb2rgb_init(void)
 {
     rgb2rgb_init_c();
     if (HAVE_MMX)

libswscale/sparc/yuv2rgb_vis.c

@@ -22,6 +22,7 @@
 #include <inttypes.h>
 #include <stdlib.h>
 
+#include "libavutil/attributes.h"
 #include "libswscale/swscale.h"
 #include "libswscale/swscale_internal.h"
 
@@ -184,7 +185,7 @@ static int vis_422P_ARGB32(SwsContext *c, uint8_t *src[], int srcStride[],
     return srcSliceH;
 }
 
-SwsFunc ff_yuv2rgb_init_vis(SwsContext *c)
+av_cold SwsFunc ff_yuv2rgb_init_vis(SwsContext *c)
 {
     c->sparc_coeffs[5] = c->yCoeff;
     c->sparc_coeffs[6] = c->vgCoeff;

libswscale/swscale.c

@@ -544,7 +544,7 @@ static int swScale(SwsContext *c, const uint8_t *src[],
         if (!enough_lines)
             break;  // we can't output a dstY line so let's try with the next slice
 
-#if HAVE_MMX
+#if HAVE_MMX && HAVE_INLINE_ASM
         updateMMXDitherTables(c, dstY, lumBufIndex, chrBufIndex,
                               lastInLumBuf, lastInChrBuf);
 #endif

libswscale/utils.c

@@ -37,6 +37,7 @@
 #include <windows.h>
 #endif
 
+#include "libavutil/attributes.h"
 #include "libavutil/avassert.h"
 #include "libavutil/avutil.h"
 #include "libavutil/bswap.h"
@@ -598,7 +599,7 @@ fail:
     return ret;
 }
 
-#if HAVE_MMX2
+#if HAVE_MMX2 && HAVE_INLINE_ASM
 static int initMMX2HScaler(int dstW, int xInc, uint8_t *filterCode,
                            int16_t *filter, int32_t *filterPos, int numSplits)
 {
@@ -761,7 +762,7 @@ static int initMMX2HScaler(int dstW, int xInc, uint8_t *filterCode,
 
     return fragmentPos + 1;
 }
-#endif /* HAVE_MMX2 */
+#endif /* HAVE_MMX2 && HAVE_INLINE_ASM */
 
 static void getSubSampleFactors(int *h, int *v, enum PixelFormat format)
 {
@@ -856,7 +857,8 @@ SwsContext *sws_alloc_context(void)
     return c;
 }
 
-int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter)
+av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
+                             SwsFilter *dstFilter)
 {
     int i, j;
     int usesVFilter, usesHFilter;
@@ -1022,7 +1024,7 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter)
         c->srcBpc = 16;
     if (c->dstBpc == 16)
         dst_stride <<= 1;
-    if (HAVE_MMX2 && cpu_flags & AV_CPU_FLAG_MMX2 &&
+    if (HAVE_MMX2 && HAVE_INLINE_ASM && cpu_flags & AV_CPU_FLAG_MMX2 &&
         c->srcBpc == 8 && c->dstBpc <= 14) {
         c->canMMX2BeUsed = (dstW >= srcW && (dstW & 31) == 0 &&
                             (srcW & 15) == 0) ? 1 : 0;
@@ -1061,7 +1063,7 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter)
 
     /* precalculate horizontal scaler filter coefficients */
     {
-#if HAVE_MMX2
+#if HAVE_MMX2 && HAVE_INLINE_ASM
 // can't downscale !!!
         if (c->canMMX2BeUsed && (flags & SWS_FAST_BILINEAR)) {
             c->lumMmx2FilterCodeSize = initMMX2HScaler(dstW, c->lumXInc, NULL,
@@ -1105,7 +1107,7 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter)
             mprotect(c->chrMmx2FilterCode, c->chrMmx2FilterCodeSize, PROT_EXEC | PROT_READ);
 #endif
         } else
-#endif /* HAVE_MMX2 */
+#endif /* HAVE_MMX2 && HAVE_INLINE_ASM */
         {
             const int filterAlign =
                 (HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) ? 4 :

libswscale/x86/Makefile

@@ -3,8 +3,8 @@ $(SUBDIR)x86/swscale_mmx.o: CFLAGS += $(NOREDZONE_FLAGS)
 OBJS-$(CONFIG_XMM_CLOBBER_TEST) += x86/w64xmmtest.o
 
 MMX-OBJS                        += x86/rgb2rgb.o                        \
-                                   x86/swscale_mmx.o                    \
-                                   x86/yuv2rgb_mmx.o                    \
+                                   x86/swscale.o                        \
+                                   x86/yuv2rgb.o                        \
 
 YASM-OBJS                       += x86/input.o                          \
                                    x86/output.o                         \

libswscale/x86/rgb2rgb.c

@@ -26,6 +26,7 @@
 #include <stdint.h>
 
 #include "config.h"
+#include "libavutil/attributes.h"
 #include "libavutil/x86_cpu.h"
 #include "libavutil/cpu.h"
 #include "libavutil/bswap.h"
@@ -130,7 +131,7 @@ DECLARE_ASM_CONST(8, uint64_t, mul16_mid)    = 0x2080208020802080ULL;
 
 #endif /* HAVE_INLINE_ASM */
 
-void rgb2rgb_init_x86(void)
+av_cold void rgb2rgb_init_x86(void)
 {
 #if HAVE_INLINE_ASM
     int cpu_flags = av_get_cpu_flags();

libswscale/x86/swscale_mmx.c → libswscale/x86/swscale.c

@@ -22,6 +22,7 @@
 #include "config.h"
 #include "libswscale/swscale.h"
 #include "libswscale/swscale_internal.h"
+#include "libavutil/attributes.h"
 #include "libavutil/avassert.h"
 #include "libavutil/intreadwrite.h"
 #include "libavutil/x86_cpu.h"
@@ -367,7 +368,7 @@ INPUT_FUNCS(sse2);
 INPUT_FUNCS(ssse3);
 INPUT_FUNCS(avx);
 
-void ff_sws_init_swScale_mmx(SwsContext *c)
+av_cold void ff_sws_init_swScale_mmx(SwsContext *c)
 {
     int cpu_flags = av_get_cpu_flags();
 

libswscale/x86/yuv2rgb_mmx.c → libswscale/x86/yuv2rgb.c

@@ -33,6 +33,7 @@
 #include "libswscale/rgb2rgb.h"
 #include "libswscale/swscale.h"
 #include "libswscale/swscale_internal.h"
+#include "libavutil/attributes.h"
 #include "libavutil/x86_cpu.h"
 #include "libavutil/cpu.h"
 
@@ -68,7 +69,7 @@ DECLARE_ASM_CONST(8, uint64_t, pb_07) = 0x0707070707070707ULL;
 
 #endif /* HAVE_INLINE_ASM */
 
-SwsFunc ff_yuv2rgb_init_mmx(SwsContext *c)
+av_cold SwsFunc ff_yuv2rgb_init_mmx(SwsContext *c)
 {
 #if HAVE_INLINE_ASM
     int cpu_flags = av_get_cpu_flags();

tests/fate/microsoft.mak

@@ -36,6 +36,9 @@ fate-vc1_sa10091: CMD = framecrc -i $(SAMPLES)/vc1/SA10091.vc1
 FATE_VC1 += fate-vc1_sa20021
 fate-vc1_sa20021: CMD = framecrc -i $(SAMPLES)/vc1/SA20021.vc1
 
+#FATE_VC1 += fate-vc1_sa10143
+fate-vc1_sa10143: CMD = framecrc -i $(SAMPLES)/vc1/SA10143.vc1
+
 FATE_VC1 += fate-vc1-ism
 fate-vc1-ism: CMD = framecrc -i $(SAMPLES)/isom/vc1-wmapro.ism -an
 

tests/ref/fate/vc1_sa10143

+#tb 0: 1/25
+0,          0,          0,        1,   518400, 0x89407f55
+0,          2,          2,        1,   518400, 0xeb8d84a1
+0,          3,          3,        1,   518400, 0x2121ff57
+0,          4,          4,        1,   518400, 0xd81adb3d
+0,          5,          5,        1,   518400, 0x01e36aa2
+0,          6,          6,        1,   518400, 0x6b802361
+0,          7,          7,        1,   518400, 0xc8403c77
+0,          8,          8,        1,   518400, 0xdd342b5d
+0,          9,          9,        1,   518400, 0x2100eea5
+0,         10,         10,        1,   518400, 0x92a22da6
+0,         11,         11,        1,   518400, 0x6bacdef7
+0,         12,         12,        1,   518400, 0x4a00715f
+0,         13,         13,        1,   518400, 0x59b98727
+0,         14,         14,        1,   518400, 0xbf912ee1
+0,         15,         15,        1,   518400, 0x8c966cd6
+0,         16,         16,        1,   518400, 0x2c9a2535
+0,         17,         17,        1,   518400, 0x29085c06
+0,         18,         18,        1,   518400, 0x46ae6b7d
+0,         19,         19,        1,   518400, 0x283100f4
+0,         20,         20,        1,   518400, 0x2731b5ff
+0,         21,         21,        1,   518400, 0x1132ea54
+0,         22,         22,        1,   518400, 0x37cbe539
+0,         23,         23,        1,   518400, 0x08ff75cf
+0,         24,         24,        1,   518400, 0xafb6bc45
+0,         25,         25,        1,   518400, 0x19d3873d
+0,         26,         26,        1,   518400, 0xd494a8be
+0,         27,         27,        1,   518400, 0x285f41ef
+0,         28,         28,        1,   518400, 0xd4b1ffa1
+0,         29,         29,        1,   518400, 0xc3876c3a
+0,         30,         30,        1,   518400, 0xb73dbb62