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 +1,68 @@
+/*
+ * generic encoding-related code
+ *
+ * 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
+ */
+
+#ifndef AVCODEC_ENCODE_H
+#define AVCODEC_ENCODE_H
+
+#include "libavutil/frame.h"
+
+#include "avcodec.h"
+#include "packet.h"
+
+/**
+ * Called by encoders to get the next frame for encoding.
+ *
+ * @param frame An empty frame to be filled with data.
+ * @return 0 if a new reference has been successfully written to frame
+ *         AVERROR(EAGAIN) if no data is currently available
+ *         AVERROR_EOF if end of stream has been reached, so no more data
+ *                     will be available
+ */
+int ff_encode_get_frame(AVCodecContext *avctx, AVFrame *frame);
+
+/**
+ * Get a buffer for a packet. This is a wrapper around
+ * AVCodecContext.get_encode_buffer() and should be used instead calling get_encode_buffer()
+ * directly.
+ */
+int ff_get_encode_buffer(AVCodecContext *avctx, AVPacket *avpkt, int64_t size, int flags);
+
+/**
+ * Check AVPacket size and allocate data.
+ *
+ * Encoders supporting AVCodec.encode2() can use this as a convenience to
+ * obtain a big enough buffer for the encoded bitstream.
+ *
+ * @param avctx   the AVCodecContext of the encoder
+ * @param avpkt   The AVPacket: on success, avpkt->data will point to a buffer
+ *                of size at least `size`; the packet will not be refcounted.
+ *                This packet must be initially blank.
+ * @param size    an upper bound of the size of the packet to encode
+ * @return        non negative on success, negative error code on failure
+ */
+int ff_alloc_packet(AVCodecContext *avctx, AVPacket *avpkt, int64_t size);
+
+/*
+ * Perform encoder initialization and validation.
+ * Called when opening the encoder, before the AVCodec.init() call.
+ */
+int ff_encode_preinit(AVCodecContext *avctx);
+
+#endif /* AVCODEC_ENCODE_H */