Update ffmpeg 2.1.3 -> 5.0.1

Old ffmpeg has a lot of vulnerabilities that have been fixed in newer versions, see https://www.cvedetails.com/vulnerability-list/vendor_id-3611/Ffmpeg.html.
2022-04-30 23:22:52 +02:00
parent 4c04a2a974
commit 9cf66ae643
7931 changed files with 1887694 additions and 84036 deletions
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2017 foo86
+ *
+ * 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/channel_layout.h"
+#include "avcodec.h"
+#include "dolby_e.h"
+#include "get_bits.h"
+#include "put_bits.h"
+
+typedef struct DBEParseContext {
+    DBEContext dectx;
+} DBEParseContext;
+
+static int dolby_e_parse(AVCodecParserContext *s2, AVCodecContext *avctx,
+                        const uint8_t **poutbuf, int *poutbuf_size,
+                        const uint8_t *buf, int buf_size)
+{
+    DBEParseContext *s1 = s2->priv_data;
+    DBEContext *s = &s1->dectx;
+    int ret;
+
+    if ((ret = ff_dolby_e_parse_header(s, buf, buf_size)) < 0)
+        goto end;
+
+    s2->duration = FRAME_SAMPLES;
+    switch (s->metadata.nb_channels) {
+    case 4:
+        avctx->channel_layout = AV_CH_LAYOUT_4POINT0;
+        break;
+    case 6:
+        avctx->channel_layout = AV_CH_LAYOUT_5POINT1;
+        break;
+    case 8:
+        avctx->channel_layout = AV_CH_LAYOUT_7POINT1;
+        break;
+    }
+
+    avctx->channels    = s->metadata.nb_channels;
+    avctx->sample_rate = s->metadata.sample_rate;
+    avctx->sample_fmt  = AV_SAMPLE_FMT_FLTP;
+
+end:
+    /* always return the full packet. this parser isn't doing any splitting or
+       combining, only packet analysis */
+    *poutbuf      = buf;
+    *poutbuf_size = buf_size;
+    return buf_size;
+}
+
+const AVCodecParser ff_dolby_e_parser = {
+    .codec_ids      = { AV_CODEC_ID_DOLBY_E },
+    .priv_data_size = sizeof(DBEParseContext),
+    .parser_parse   = dolby_e_parse,
+};