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authorPaul B Mahol <onemda@gmail.com>2018-12-08 13:06:31 +0100
committerPaul B Mahol <onemda@gmail.com>2018-12-10 11:20:41 +0100
commiteade85bbbd935f4ab5e6315a45650c2bf01465c6 (patch)
tree592880259439aac8bd1c044508949486ee44ffd2
parent8f66d46ce5f41be8084ad14061cec8f8e769d711 (diff)
downloadffmpeg-eade85bbbd935f4ab5e6315a45650c2bf01465c6.tar.gz
avformat: add gif pipe demuxer
-rw-r--r--libavformat/Makefile1
-rw-r--r--libavformat/allformats.c1
-rw-r--r--libavformat/img2dec.c15
-rw-r--r--libavformat/version.h4
4 files changed, 19 insertions, 2 deletions
diff --git a/libavformat/Makefile b/libavformat/Makefile
index d0d621de07..0e43a12df5 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -242,6 +242,7 @@ 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-$(CONFIG_IMAGE_GIF_PIPE_DEMUXER) += img2dec.o img2.o
OBJS-$(CONFIG_IMAGE_J2K_PIPE_DEMUXER) += img2dec.o img2.o
OBJS-$(CONFIG_IMAGE_JPEG_PIPE_DEMUXER) += img2dec.o img2.o
OBJS-$(CONFIG_IMAGE_JPEGLS_PIPE_DEMUXER) += img2dec.o img2.o
diff --git a/libavformat/allformats.c b/libavformat/allformats.c
index 5fb5bf17c6..df83b04484 100644
--- a/libavformat/allformats.c
+++ b/libavformat/allformats.c
@@ -463,6 +463,7 @@ extern AVInputFormat ff_image_bmp_pipe_demuxer;
extern AVInputFormat ff_image_dds_pipe_demuxer;
extern AVInputFormat ff_image_dpx_pipe_demuxer;
extern AVInputFormat ff_image_exr_pipe_demuxer;
+extern AVInputFormat ff_image_gif_pipe_demuxer;
extern AVInputFormat ff_image_j2k_pipe_demuxer;
extern AVInputFormat ff_image_jpeg_pipe_demuxer;
extern AVInputFormat ff_image_jpegls_pipe_demuxer;
diff --git a/libavformat/img2dec.c b/libavformat/img2dec.c
index ff4757e532..e82b1df50b 100644
--- a/libavformat/img2dec.c
+++ b/libavformat/img2dec.c
@@ -29,6 +29,7 @@
#include "libavutil/pixdesc.h"
#include "libavutil/parseutils.h"
#include "libavutil/intreadwrite.h"
+#include "libavcodec/gif.h"
#include "avformat.h"
#include "avio_internal.h"
#include "internal.h"
@@ -1005,6 +1006,19 @@ static int xwd_probe(AVProbeData *p)
return AVPROBE_SCORE_MAX / 2 + 1;
}
+static int gif_probe(AVProbeData *p)
+{
+ /* check magick */
+ if (memcmp(p->buf, gif87a_sig, 6) && memcmp(p->buf, gif89a_sig, 6))
+ return 0;
+
+ /* width or height contains zero? */
+ if (!AV_RL16(&p->buf[6]) || !AV_RL16(&p->buf[8]))
+ return 0;
+
+ return AVPROBE_SCORE_MAX - 1;
+}
+
#define IMAGEAUTO_DEMUXER(imgname, codecid)\
static const AVClass imgname ## _class = {\
.class_name = AV_STRINGIFY(imgname) " demuxer",\
@@ -1028,6 +1042,7 @@ 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(gif, AV_CODEC_ID_GIF)
IMAGEAUTO_DEMUXER(j2k, AV_CODEC_ID_JPEG2000)
IMAGEAUTO_DEMUXER(jpeg, AV_CODEC_ID_MJPEG)
IMAGEAUTO_DEMUXER(jpegls, AV_CODEC_ID_JPEGLS)
diff --git a/libavformat/version.h b/libavformat/version.h
index 30f2a84ddb..391ebed462 100644
--- a/libavformat/version.h
+++ b/libavformat/version.h
@@ -32,8 +32,8 @@
// Major bumping may affect Ticket5467, 5421, 5451(compatibility with Chromium)
// Also please add any ticket numbers that you believe might be affected here
#define LIBAVFORMAT_VERSION_MAJOR 58
-#define LIBAVFORMAT_VERSION_MINOR 23
-#define LIBAVFORMAT_VERSION_MICRO 102
+#define LIBAVFORMAT_VERSION_MINOR 24
+#define LIBAVFORMAT_VERSION_MICRO 100
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
LIBAVFORMAT_VERSION_MINOR, \