early-access version 1432

externals/ffmpeg/libavformat/img2_brender_pix.c

@@ -0,0 +1,57 @@
+/*
+ * BRender PIX image demuxer
+ * Copyright (c) 2014 Michael Niedermayer
+ *
+ * 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
+ */
+
+#include "img2.h"
+#include "libavutil/intreadwrite.h"
+
+static int brender_read_probe(const AVProbeData *p)
+{
+    static const uint8_t brender_magic[16] = {
+        0,0,0,0x12,0,0,0,8,0,0,0,2,0,0,0,2
+    };
+
+    if (memcmp(p->buf, brender_magic, sizeof(brender_magic)))
+        return 0;
+
+    if (AV_RB32(p->buf+16) != 0x03 &&
+        AV_RB32(p->buf+16) != 0x3D)
+        return 0;
+
+    return AVPROBE_SCORE_MAX-10;
+}
+
+static const AVClass image2_brender_pix_class = {
+    .class_name = "brender_pix demuxer",
+    .item_name  = av_default_item_name,
+    .option     = ff_img_options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
+
+AVInputFormat ff_image2_brender_pix_demuxer = {
+    .name           = "brender_pix",
+    .long_name      = NULL_IF_CONFIG_SMALL("BRender PIX image"),
+    .priv_data_size = sizeof(VideoDemuxData),
+    .read_probe     = brender_read_probe,
+    .read_header    = ff_img_read_header,
+    .read_packet    = ff_img_read_packet,
+    .raw_codec_id   = AV_CODEC_ID_BRENDER_PIX,
+    .priv_class     = &image2_brender_pix_class,
+};