ffmpeg-2.8.5

git-svn-id: svn://kolibrios.org@6147 a494cfbc-eb01-0410-851d-a64ba20cac60
2016-02-05 22:08:02 +00:00
parent a08f61ddb9
commit a4b787f4b8
5429 changed files with 1356786 additions and 0 deletions
--- a/contrib/sdk/sources/ffmpeg/ffmpeg-2.8/libavcodec/v410enc.c
+++ b/contrib/sdk/sources/ffmpeg/ffmpeg-2.8/libavcodec/v410enc.c
@@ -0,0 +1,88 @@
+/*
+ * v410 encoder
+ *
+ * Copyright (c) 2011 Derek Buitenhuis
+ *
+ * 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 "libavutil/common.h"
+#include "libavutil/intreadwrite.h"
+#include "avcodec.h"
+#include "internal.h"
+
+static av_cold int v410_encode_init(AVCodecContext *avctx)
+{
+    if (avctx->width & 1) {
+        av_log(avctx, AV_LOG_ERROR, "v410 requires width to be even.\n");
+        return AVERROR_INVALIDDATA;
+    }
+
+    return 0;
+}
+
+static int v410_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
+                             const AVFrame *pic, int *got_packet)
+{
+    uint8_t *dst;
+    uint16_t *y, *u, *v;
+    uint32_t val;
+    int i, j, ret;
+
+    if ((ret = ff_alloc_packet2(avctx, pkt, avctx->width * avctx->height * 4,
+                                            avctx->width * avctx->height * 4)) < 0)
+        return ret;
+    dst = pkt->data;
+
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
+    avctx->coded_frame->key_frame = 1;
+    avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
+    y = (uint16_t *)pic->data[0];
+    u = (uint16_t *)pic->data[1];
+    v = (uint16_t *)pic->data[2];
+
+    for (i = 0; i < avctx->height; i++) {
+        for (j = 0; j < avctx->width; j++) {
+            val  = u[j] << 2;
+            val |= y[j] << 12;
+            val |= (uint32_t) v[j] << 22;
+            AV_WL32(dst, val);
+            dst += 4;
+        }
+        y += pic->linesize[0] >> 1;
+        u += pic->linesize[1] >> 1;
+        v += pic->linesize[2] >> 1;
+    }
+
+    pkt->flags |= AV_PKT_FLAG_KEY;
+    *got_packet = 1;
+    return 0;
+}
+
+AVCodec ff_v410_encoder = {
+    .name         = "v410",
+    .long_name    = NULL_IF_CONFIG_SMALL("Uncompressed 4:4:4 10-bit"),
+    .type         = AVMEDIA_TYPE_VIDEO,
+    .id           = AV_CODEC_ID_V410,
+    .init         = v410_encode_init,
+    .encode2      = v410_encode_frame,
+    .pix_fmts     = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV444P10, AV_PIX_FMT_NONE },
+};