making act segmenter

1 files changed, 80 insertions, 0 deletions

diff --git a/ffmpeg/libavcodec/rawenc.c b/ffmpeg/libavcodec/rawenc.c
new file mode 100644
index 0000000..c6da6b8
--- /dev/null
+++ b/ffmpeg/libavcodec/rawenc.c
@@ -0,0 +1,80 @@
+/*
+ * Raw Video Encoder
+ * Copyright (c) 2001 Fabrice Bellard
+ *
+ * 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
+ */
+
+/**
+ * @file
+ * Raw Video Encoder
+ */
+
+#include "avcodec.h"
+#include "raw.h"
+#include "internal.h"
+#include "libavutil/pixdesc.h"
+#include "libavutil/intreadwrite.h"
+#include "libavutil/internal.h"
+
+static av_cold int raw_init_encoder(AVCodecContext *avctx)
+{
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
+
+    avctx->coded_frame            = avctx->priv_data;
+    avcodec_get_frame_defaults(avctx->coded_frame);
+    avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
+    avctx->bits_per_coded_sample = av_get_bits_per_pixel(desc);
+    if(!avctx->codec_tag)
+        avctx->codec_tag = avcodec_pix_fmt_to_codec_tag(avctx->pix_fmt);
+    return 0;
+}
+
+static int raw_encode(AVCodecContext *avctx, AVPacket *pkt,
+                      const AVFrame *frame, int *got_packet)
+{
+    int ret = avpicture_get_size(avctx->pix_fmt, avctx->width, avctx->height);
+
+    if (ret < 0)
+        return ret;
+
+    if ((ret = ff_alloc_packet2(avctx, pkt, ret)) < 0)
+        return ret;
+    if ((ret = avpicture_layout((const AVPicture *)frame, avctx->pix_fmt, avctx->width,
+                                avctx->height, pkt->data, pkt->size)) < 0)
+        return ret;
+
+    if(avctx->codec_tag == AV_RL32("yuv2") && ret > 0 &&
+       avctx->pix_fmt   == AV_PIX_FMT_YUYV422) {
+        int x;
+        for(x = 1; x < avctx->height*avctx->width*2; x += 2)
+            pkt->data[x] ^= 0x80;
+    }
+    pkt->flags |= AV_PKT_FLAG_KEY;
+    *got_packet = 1;
+    return 0;
+}
+
+AVCodec ff_rawvideo_encoder = {
+    .name           = "rawvideo",
+    .type           = AVMEDIA_TYPE_VIDEO,
+    .id             = AV_CODEC_ID_RAWVIDEO,
+    .priv_data_size = sizeof(AVFrame),
+    .init           = raw_init_encoder,
+    .encode2        = raw_encode,
+    .long_name      = NULL_IF_CONFIG_SMALL("raw video"),
+};