@@ -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
@@ -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;
@@ -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)
Signed-off-by: Paul B Mahol <onemda@gmail.com> --- libavformat/Makefile | 1 + libavformat/allformats.c | 1 + libavformat/img2dec.c | 15 +++++++++++++++ 3 files changed, 17 insertions(+)