From a876a4da4a926068a0a0c5c1a910be0e34f9e991 Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <cehoyos@ag.or.at>
Date: Mon, 29 Jun 2015 16:13:26 +0200
Subject: [PATCH] lavf/img2dec: Autodetect dds frames.

---
 libavformat/Makefile     |  1 +
 libavformat/allformats.c |  1 +
 libavformat/img2dec.c    | 12 ++++++++++++
 libavformat/version.h    |  2 +-
 4 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/libavformat/Makefile b/libavformat/Makefile
index cfff6aab46..987f196859 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -202,6 +202,7 @@ OBJS-$(CONFIG_IMAGE2PIPE_MUXER)          += img2enc.o img2.o
 OBJS-$(CONFIG_IMAGE2_ALIAS_PIX_DEMUXER)  += img2_alias_pix.o
 OBJS-$(CONFIG_IMAGE2_BRENDER_PIX_DEMUXER) += img2_brender_pix.o
 OBJS-$(CONFIG_IMAGE_BMP_PIPE_DEMUXER)     += img2dec.o img2.o
+OBJS-$(CONFIG_IMAGE_DDS_PIPE_DEMUXER)     += img2dec.o img2.o
 OBJS-$(CONFIG_IMAGE_DPX_PIPE_DEMUXER)     += img2dec.o img2.o
 OBJS-$(CONFIG_IMAGE_EXR_PIPE_DEMUXER)     += img2dec.o img2.o
 OBJS-$(CONFIG_IMAGE_J2K_PIPE_DEMUXER)     += img2dec.o img2.o
diff --git a/libavformat/allformats.c b/libavformat/allformats.c
index d65b7d4681..2caa6b111b 100644
--- a/libavformat/allformats.c
+++ b/libavformat/allformats.c
@@ -335,6 +335,7 @@ void av_register_all(void)
 
     /* image demuxers */
     REGISTER_DEMUXER (IMAGE_BMP_PIPE,        image_bmp_pipe);
+    REGISTER_DEMUXER (IMAGE_DDS_PIPE,        image_dds_pipe);
     REGISTER_DEMUXER (IMAGE_DPX_PIPE,        image_dpx_pipe);
     REGISTER_DEMUXER (IMAGE_EXR_PIPE,        image_exr_pipe);
     REGISTER_DEMUXER (IMAGE_J2K_PIPE,        image_j2k_pipe);
diff --git a/libavformat/img2dec.c b/libavformat/img2dec.c
index 0830f0073c..772204cde6 100644
--- a/libavformat/img2dec.c
+++ b/libavformat/img2dec.c
@@ -609,6 +609,17 @@ static int bmp_probe(AVProbeData *p)
     return AVPROBE_SCORE_EXTENSION / 4;
 }
 
+static int dds_probe(AVProbeData *p)
+{
+    const uint8_t *b = p->buf;
+
+    if (   AV_RB64(b) == 0x444453207c000000
+        && AV_RL32(b +  8)
+        && AV_RL32(b + 12))
+        return AVPROBE_SCORE_MAX - 1;
+    return 0;
+}
+
 static int dpx_probe(AVProbeData *p)
 {
     const uint8_t *b = p->buf;
@@ -799,6 +810,7 @@ AVInputFormat ff_image_ ## imgname ## _pipe_demuxer = {\
 };
 
 IMAGEAUTO_DEMUXER(bmp,     AV_CODEC_ID_BMP)
+IMAGEAUTO_DEMUXER(dds,     AV_CODEC_ID_DDS)
 IMAGEAUTO_DEMUXER(dpx,     AV_CODEC_ID_DPX)
 IMAGEAUTO_DEMUXER(exr,     AV_CODEC_ID_EXR)
 IMAGEAUTO_DEMUXER(j2k,     AV_CODEC_ID_JPEG2000)
diff --git a/libavformat/version.h b/libavformat/version.h
index a6d368ec0f..052551cfb5 100644
--- a/libavformat/version.h
+++ b/libavformat/version.h
@@ -30,7 +30,7 @@
 #include "libavutil/version.h"
 
 #define LIBAVFORMAT_VERSION_MAJOR 56
-#define LIBAVFORMAT_VERSION_MINOR  39
+#define LIBAVFORMAT_VERSION_MINOR  40
 #define LIBAVFORMAT_VERSION_MICRO 100
 
 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \