Merge commit 'c0329748'

* commit 'c0329748':
  fate: add a dependency helper macro
  Add support for building shared libraries with MSVC
  avcodec: Rename avpriv_frame_rate_tab to ff_mpeg12_frame_rate_tab
  gxf: Add a local copy of the relevant parts of the frame rate table
  configure: Split out msvc as a separate target OS
  aviobuf: Remove a senseless ifdef in avio_seek

Conflicts:
	configure
	libavcodec/dirac.c
	libavcodec/mpeg12data.h
	libavcodec/mpeg12enc.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

configure

@@ -2252,7 +2252,7 @@ if enabled cross_compile; then
         die "Must specify target arch and OS when cross-compiling"
 fi
 
-set_default arch target_os postproc_version
+set_default postproc_version
 
 # Check if we should build alternative libpostproc version instead of current
 if   test "$postproc_version" = $ALT_PP_VER; then
@@ -2290,13 +2290,14 @@ case "$toolchain" in
         ld_default="c99wrap link"
         nm_default="dumpbin -symbols"
         ar_default="lib"
+        target_os_default="win32"
     ;;
     ?*)
         die "Unknown toolchain $toolchain"
     ;;
 esac
 
-set_default cc cxx pkg_config strip sysinclude yasmexe
+set_default arch cc cxx pkg_config strip sysinclude target_os yasmexe
 enabled cross_compile || host_cc_default=$cc
 set_default host_cc
 
@@ -2307,7 +2308,7 @@ fi
 
 exesuf() {
     case $1 in
-        mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
+        mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
     esac
 }
 
@@ -2372,7 +2373,8 @@ msvc_flags(){
             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
-                                       -wd4996 -wd4554 ;;
+                                       -wd4554 \
+                                       -wd4996 -wd4273 ;;
             -std=c99)             ;;
             -fno-math-errno)      ;;
             -fno-common)          ;;
@@ -3073,6 +3075,30 @@ case $target_os in
         enable dos_paths
         add_cppflags -U__STRICT_ANSI__
         ;;
+    win32|win64)
+        if enabled shared; then
+            # Link to the import library instead of the normal static library
+            # for shared libs.
+            LD_LIB='%.lib'
+            # Cannot build shared and static libraries at the same time with
+            # MSVC.
+            disable static
+        fi
+        shlibdir_default="$bindir_default"
+        SLIBPREF=""
+        SLIBSUF=".dll"
+        SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
+        SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
+        SLIB_CREATE_DEF_CMD='makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
+        SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
+        SLIB_INSTALL_LINKS=
+        SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
+        SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
+        SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
+        objformat="win32"
+        ranlib=:
+        enable dos_paths
+        ;;
     cygwin*)
         target_os=cygwin
         shlibdir_default="$bindir_default"

libavcodec/ac3tab.h

@@ -33,7 +33,7 @@
 
 extern const uint16_t ff_ac3_frame_size_tab[38][3];
 extern const uint8_t  ff_ac3_channels_tab[8];
-extern const uint16_t avpriv_ac3_channel_layout_tab[8];
+extern av_export const uint16_t avpriv_ac3_channel_layout_tab[8];
 extern const uint8_t  ff_ac3_enc_channel_map[8][2][6];
 extern const uint8_t  ff_ac3_dec_channel_map[8][2][6];
 extern const uint16_t ff_ac3_sample_rate_tab[3];

libavcodec/cavsdec.c

@@ -1097,8 +1097,8 @@ static int decode_seq_header(AVSContext *h) {
     s->low_delay =       get_bits1(&s->gb);
     h->mb_width  = (s->width  + 15) >> 4;
     h->mb_height = (s->height + 15) >> 4;
-    h->s.avctx->time_base.den = avpriv_frame_rate_tab[frame_rate_code].num;
-    h->s.avctx->time_base.num = avpriv_frame_rate_tab[frame_rate_code].den;
+    h->s.avctx->time_base.den = ff_mpeg12_frame_rate_tab[frame_rate_code].num;
+    h->s.avctx->time_base.num = ff_mpeg12_frame_rate_tab[frame_rate_code].den;
     h->s.avctx->width  = s->width;
     h->s.avctx->height = s->height;
     if(!h->top_qp)

libavcodec/dca.h

@@ -26,6 +26,7 @@
 #define AVCODEC_DCA_H
 
 #include <stdint.h>
+#include "libavutil/internal.h"
 
 /** DCA syncwords, also used for bitstream type detection */
 #define DCA_MARKER_RAW_BE 0x7FFE8001
@@ -36,6 +37,6 @@
 /** DCA-HD specific block starts with this marker. */
 #define DCA_HD_MARKER     0x64582025
 
-extern const uint32_t avpriv_dca_sample_rates[16];
+extern av_export const uint32_t avpriv_dca_sample_rates[16];
 
 #endif /* AVCODEC_DCA_H */

libavcodec/dirac.c

@@ -164,7 +164,7 @@ static int parse_source_parameters(AVCodecContext *avctx, GetBitContext *gb,
     /* [DIRAC_STD] preset_frame_rate(video_params, index) */
     if (source->frame_rate_index > 0) {
         if (source->frame_rate_index <= 8)
-            frame_rate = avpriv_frame_rate_tab[source->frame_rate_index];  /* [DIRAC_STD] Table 10.3 values 1-8  */
+            frame_rate = ff_mpeg12_frame_rate_tab[source->frame_rate_index];
         else
              /* [DIRAC_STD] Table 10.3 values 9-10 */
             frame_rate = dirac_frame_rate[source->frame_rate_index-9];

libavcodec/mjpeg.h

@@ -138,16 +138,16 @@ static inline void put_marker(PutBitContext *p, int code)
         case 7: ret= (left + top)>>1; break;\
     }
 
-extern const uint8_t avpriv_mjpeg_bits_dc_luminance[];
-extern const uint8_t avpriv_mjpeg_val_dc[];
+extern av_export const uint8_t avpriv_mjpeg_bits_dc_luminance[];
+extern av_export const uint8_t avpriv_mjpeg_val_dc[];
 
-extern const uint8_t avpriv_mjpeg_bits_dc_chrominance[];
+extern av_export const uint8_t avpriv_mjpeg_bits_dc_chrominance[];
 
-extern const uint8_t avpriv_mjpeg_bits_ac_luminance[];
-extern const uint8_t avpriv_mjpeg_val_ac_luminance[];
+extern av_export const uint8_t avpriv_mjpeg_bits_ac_luminance[];
+extern av_export const uint8_t avpriv_mjpeg_val_ac_luminance[];
 
-extern const uint8_t avpriv_mjpeg_bits_ac_chrominance[];
-extern const uint8_t avpriv_mjpeg_val_ac_chrominance[];
+extern av_export const uint8_t avpriv_mjpeg_bits_ac_chrominance[];
+extern av_export const uint8_t avpriv_mjpeg_val_ac_chrominance[];
 
 void ff_mjpeg_build_huffman_codes(uint8_t *huff_size, uint16_t *huff_code,
                                   const uint8_t *bits_table,

libavcodec/mpeg12.c

@@ -1290,8 +1290,8 @@ static int mpeg_decode_postinit(AVCodecContext *avctx)
 
         if (avctx->codec_id == AV_CODEC_ID_MPEG1VIDEO) {
             //MPEG-1 fps
-            avctx->time_base.den = avpriv_frame_rate_tab[s->frame_rate_index].num;
-            avctx->time_base.num = avpriv_frame_rate_tab[s->frame_rate_index].den;
+            avctx->time_base.den = ff_mpeg12_frame_rate_tab[s->frame_rate_index].num;
+            avctx->time_base.num = ff_mpeg12_frame_rate_tab[s->frame_rate_index].den;
             //MPEG-1 aspect
             avctx->sample_aspect_ratio = av_d2q(1.0/ff_mpeg1_aspect[s->aspect_ratio_info], 255);
             avctx->ticks_per_frame=1;
@@ -1299,8 +1299,8 @@ static int mpeg_decode_postinit(AVCodecContext *avctx)
         //MPEG-2 fps
             av_reduce(&s->avctx->time_base.den,
                       &s->avctx->time_base.num,
-                      avpriv_frame_rate_tab[s->frame_rate_index].num * s1->frame_rate_ext.num*2,
-                      avpriv_frame_rate_tab[s->frame_rate_index].den * s1->frame_rate_ext.den,
+                      ff_mpeg12_frame_rate_tab[s->frame_rate_index].num * s1->frame_rate_ext.num*2,
+                      ff_mpeg12_frame_rate_tab[s->frame_rate_index].den * s1->frame_rate_ext.den,
                       1 << 30);
             avctx->ticks_per_frame = 2;
             //MPEG-2 aspect

libavcodec/mpeg12data.c

@@ -305,7 +305,7 @@ const uint8_t ff_mpeg12_mbMotionVectorTable[17][2] = {
 { 0xc, 10 },
 };
 
-const AVRational avpriv_frame_rate_tab[16] = {
+const AVRational ff_mpeg12_frame_rate_tab[16] = {
     {    0,    0},
     {24000, 1001},
     {   24,    1},

libavcodec/mpeg12data.h

@@ -48,7 +48,7 @@ extern const uint8_t ff_mpeg12_mbPatTable[64][2];
 
 extern const uint8_t ff_mpeg12_mbMotionVectorTable[17][2];
 
-extern const AVRational avpriv_frame_rate_tab[];
+extern const AVRational ff_mpeg12_frame_rate_tab[];
 extern const AVRational ff_mpeg2_frame_rate_tab[];
 
 extern const float ff_mpeg1_aspect[16];

libavcodec/mpeg12enc.c

@@ -117,7 +117,7 @@ static int find_frame_rate_index(MpegEncContext *s){
 
         for (ext.num=1; ext.num <= 4; ext.num++) {
             for (ext.den=1; ext.den <= 32; ext.den++) {
-                AVRational q = av_mul_q(ext, avpriv_frame_rate_tab[i]);
+                AVRational q = av_mul_q(ext, ff_mpeg12_frame_rate_tab[i]);
 
                 if(s->codec_id != AV_CODEC_ID_MPEG2VIDEO && (ext.den!=1 || ext.num!=1))
                     continue;
@@ -189,7 +189,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
     }
 
     if (s->tc_opt_str) {
-        AVRational rate = avpriv_frame_rate_tab[s->frame_rate_index];
+        AVRational rate = ff_mpeg12_frame_rate_tab[s->frame_rate_index];
         int ret = av_timecode_init_from_string(&s->tc, rate, s->tc_opt_str, s);
         if (ret < 0)
             return ret;
@@ -222,7 +222,7 @@ static void mpeg1_encode_sequence_header(MpegEncContext *s)
         if(aspect_ratio==0.0) aspect_ratio= 1.0; //pixel aspect 1:1 (VGA)
 
         if (s->current_picture.f.key_frame) {
-            AVRational framerate= avpriv_frame_rate_tab[s->frame_rate_index];
+            AVRational framerate = ff_mpeg12_frame_rate_tab[s->frame_rate_index];
 
             /* mpeg1 header repeated every gop */
             put_header(s, SEQ_START_CODE);
@@ -982,7 +982,7 @@ AVCodec ff_mpeg1video_encoder = {
     .init                 = encode_init,
     .encode2              = ff_MPV_encode_picture,
     .close                = ff_MPV_encode_end,
-    .supported_framerates = avpriv_frame_rate_tab+1,
+    .supported_framerates = ff_mpeg12_frame_rate_tab + 1,
     .pix_fmts             = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P,
                                                         AV_PIX_FMT_NONE },
     .capabilities         = CODEC_CAP_DELAY,

libavcodec/mpeg4audio.h

@@ -40,7 +40,7 @@ typedef struct MPEG4AudioConfig {
     int ps;  ///< -1 implicit, 1 presence
 } MPEG4AudioConfig;
 
-extern const int avpriv_mpeg4audio_sample_rates[16];
+extern av_export const int avpriv_mpeg4audio_sample_rates[16];
 extern const uint8_t ff_mpeg4audio_channels[8];
 
 /**

libavcodec/mpegaudiodata.h

@@ -29,11 +29,13 @@
 
 #include <stdint.h>
 
+#include "libavutil/internal.h"
+
 #define MODE_EXT_MS_STEREO 2
 #define MODE_EXT_I_STEREO  1
 
-extern const uint16_t avpriv_mpa_bitrate_tab[2][3][15];
-extern const uint16_t avpriv_mpa_freq_tab[3];
+extern av_export const uint16_t avpriv_mpa_bitrate_tab[2][3][15];
+extern av_export const uint16_t avpriv_mpa_freq_tab[3];
 extern const int ff_mpa_sblimit_table[5];
 extern const int ff_mpa_quant_steps[17];
 extern const int ff_mpa_quant_bits[17];

libavcodec/mpegvideo_parser.c

@@ -65,8 +65,8 @@ static void mpegvideo_extract_headers(AVCodecParserContext *s,
                     did_set_size=1;
                 }
                 frame_rate_index = buf[3] & 0xf;
-                pc->frame_rate.den = avctx->time_base.den = avpriv_frame_rate_tab[frame_rate_index].num;
-                pc->frame_rate.num = avctx->time_base.num = avpriv_frame_rate_tab[frame_rate_index].den;
+                pc->frame_rate.den = avctx->time_base.den = ff_mpeg12_frame_rate_tab[frame_rate_index].num;
+                pc->frame_rate.num = avctx->time_base.num = ff_mpeg12_frame_rate_tab[frame_rate_index].den;
                 avctx->bit_rate = ((buf[4]<<10) | (buf[5]<<2) | (buf[6]>>6))*400;
                 avctx->codec_id = AV_CODEC_ID_MPEG1VIDEO;
             }

libavformat/aviobuf.c

@@ -228,12 +228,10 @@ int64_t avio_seek(AVIOContext *s, int64_t offset, int whence)
     } else {
         int64_t res;
 
-#if CONFIG_MUXERS || CONFIG_NETWORK
         if (s->write_flag) {
             flush_buffer(s);
             s->must_flush = 1;
         }
-#endif /* CONFIG_MUXERS || CONFIG_NETWORK */
         if (!s->seek)
             return AVERROR(EPIPE);
         if ((res = s->seek(s->opaque, offset, SEEK_SET)) < 0)

libavformat/gxf.c

@@ -202,6 +202,18 @@ static void gxf_material_tags(AVIOContext *pb, int *len, struct gxf_stream_info
     }
 }
 
+static const AVRational frame_rate_tab[] = {
+    {   60,    1},
+    {60000, 1001},
+    {   50,    1},
+    {   30,    1},
+    {30000, 1001},
+    {   25,    1},
+    {   24,    1},
+    {24000, 1001},
+    {    0,    0},
+};
+
 /**
  * @brief convert fps tag value to AVRational fps
  * @param fps fps value from tag
@@ -209,7 +221,7 @@ static void gxf_material_tags(AVIOContext *pb, int *len, struct gxf_stream_info
  */
 static AVRational fps_tag2avr(int32_t fps) {
     if (fps < 1 || fps > 9) fps = 9;
-    return avpriv_frame_rate_tab[9 - fps]; // values have opposite order
+    return frame_rate_tab[fps - 1];
 }
 
 /**

libavutil/internal.h

@@ -48,6 +48,12 @@
 #endif
 #endif
 
+#if defined(_MSC_VER) && CONFIG_SHARED
+#    define av_export __declspec(dllimport)
+#else
+#    define av_export
+#endif
+
 #ifndef INT_BIT
 #    define INT_BIT (CHAR_BIT * sizeof(int))
 #endif

tests/Makefile

@@ -54,6 +54,8 @@ ENCDEC2 = $(call ALLYES, $(firstword $(1))_ENCODER $(lastword $(1))_DECODER  \
                          $(firstword $(2))_ENCODER $(lastword $(2))_DECODER  \
                          $(firstword $(3))_MUXER   $(lastword $(3))_DEMUXER)
 
+DEMDEC  = $(call ALLYES, $(1)_DEMUXER $(2:%=%_DECODER))
+
 include $(SRC_PATH)/tests/fate/acodec.mak
 include $(SRC_PATH)/tests/fate/vcodec.mak
 include $(SRC_PATH)/tests/fate/avformat.mak