From 8b37a1bc306c1d5a3cc92e9dc04fb95d5d9a0298 Mon Sep 17 00:00:00 2001
From: trav90 <travawine@protonmail.ch>
Date: Thu, 26 Apr 2018 16:49:15 -0500
Subject: [ffvpx] Update ffvp9/ffvp8 to 3.4.2-release

Structure of code was slightly modified so that it should be no longer necessary to re-generate the config_*.h files, greatly simplifying the resync process in the future.
---
 media/ffvpx/libavcodec/bitstream_filters.c | 91 ++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 media/ffvpx/libavcodec/bitstream_filters.c

(limited to 'media/ffvpx/libavcodec/bitstream_filters.c')

diff --git a/media/ffvpx/libavcodec/bitstream_filters.c b/media/ffvpx/libavcodec/bitstream_filters.c
new file mode 100644
index 000000000..ce34de640
--- /dev/null
+++ b/media/ffvpx/libavcodec/bitstream_filters.c
@@ -0,0 +1,91 @@
+/*
+ * 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 "config.h"
+
+#include "libavutil/common.h"
+#include "libavutil/log.h"
+
+#include "avcodec.h"
+#include "bsf.h"
+
+extern const AVBitStreamFilter ff_aac_adtstoasc_bsf;
+extern const AVBitStreamFilter ff_chomp_bsf;
+extern const AVBitStreamFilter ff_dump_extradata_bsf;
+extern const AVBitStreamFilter ff_dca_core_bsf;
+extern const AVBitStreamFilter ff_extract_extradata_bsf;
+extern const AVBitStreamFilter ff_h264_mp4toannexb_bsf;
+extern const AVBitStreamFilter ff_hevc_mp4toannexb_bsf;
+extern const AVBitStreamFilter ff_imx_dump_header_bsf;
+extern const AVBitStreamFilter ff_mjpeg2jpeg_bsf;
+extern const AVBitStreamFilter ff_mjpega_dump_header_bsf;
+extern const AVBitStreamFilter ff_mp3_header_decompress_bsf;
+extern const AVBitStreamFilter ff_mpeg4_unpack_bframes_bsf;
+extern const AVBitStreamFilter ff_mov2textsub_bsf;
+extern const AVBitStreamFilter ff_noise_bsf;
+extern const AVBitStreamFilter ff_null_bsf;
+extern const AVBitStreamFilter ff_remove_extradata_bsf;
+extern const AVBitStreamFilter ff_text2movsub_bsf;
+extern const AVBitStreamFilter ff_vp9_raw_reorder_bsf;
+extern const AVBitStreamFilter ff_vp9_superframe_bsf;
+extern const AVBitStreamFilter ff_vp9_superframe_split_bsf;
+
+#include "libavcodec/bsf_list.c"
+
+const AVBitStreamFilter *av_bsf_next(void **opaque)
+{
+    uintptr_t i = (uintptr_t)*opaque;
+    const AVBitStreamFilter *f = bitstream_filters[i];
+
+    if (f)
+        *opaque = (void*)(i + 1);
+
+    return f;
+}
+
+const AVBitStreamFilter *av_bsf_get_by_name(const char *name)
+{
+    int i;
+
+    for (i = 0; bitstream_filters[i]; i++) {
+        const AVBitStreamFilter *f = bitstream_filters[i];
+        if (!strcmp(f->name, name))
+            return f;
+    }
+
+    return NULL;
+}
+
+const AVClass *ff_bsf_child_class_next(const AVClass *prev)
+{
+    int i;
+
+    /* find the filter that corresponds to prev */
+    for (i = 0; prev && bitstream_filters[i]; i++) {
+        if (bitstream_filters[i]->priv_class == prev) {
+            i++;
+            break;
+        }
+    }
+
+    /* find next filter with priv options */
+    for (; bitstream_filters[i]; i++)
+        if (bitstream_filters[i]->priv_class)
+            return bitstream_filters[i]->priv_class;
+    return NULL;
+}
-- 
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