1 files changed, 0 insertions, 147 deletions
diff --git a/media/ffvpx/libavcodec/vp9_superframe_split_bsf.c b/media/ffvpx/libavcodec/vp9_superframe_split_bsf.c
deleted file mode 100644
index 9c4aa33dc..000000000
--- a/media/ffvpx/libavcodec/vp9_superframe_split_bsf.c
+++ /dev/null
@@ -1,147 +0,0 @@
-/*
- * 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
- * This bitstream filter splits VP9 superframes into packets containing
- * just one frame.
- */
-
-#include <stddef.h>
-
-#include "avcodec.h"
-#include "bsf.h"
-#include "bytestream.h"
-#include "get_bits.h"
-
-typedef struct VP9SFSplitContext {
-    AVPacket buffer_pkt;
-
-    int nb_frames;
-    int next_frame;
-    size_t next_frame_offset;
-    int sizes[8];
-} VP9SFSplitContext;
-
-static int vp9_superframe_split_filter(AVBSFContext *ctx, AVPacket *out)
-{
-    VP9SFSplitContext *s = ctx->priv_data;
-    AVPacket *in;
-    int i, j, ret, marker;
-    int is_superframe = !!s->buffer_pkt.data;
-
-    if (!s->buffer_pkt.data) {
-        ret = ff_bsf_get_packet_ref(ctx, &s->buffer_pkt);
-        if (ret < 0)
-            return ret;
-        in = &s->buffer_pkt;
-
-        marker = in->data[in->size - 1];
-        if ((marker & 0xe0) == 0xc0) {
-            int length_size = 1 + ((marker >> 3) & 0x3);
-            int   nb_frames = 1 + (marker & 0x7);
-            int    idx_size = 2 + nb_frames * length_size;
-
-            if (in->size >= idx_size && in->data[in->size - idx_size] == marker) {
-                GetByteContext bc;
-                int64_t total_size = 0;
-
-                bytestream2_init(&bc, in->data + in->size + 1 - idx_size,
-                                 nb_frames * length_size);
-
-                for (i = 0; i < nb_frames; i++) {
-                    int frame_size = 0;
-                    for (j = 0; j < length_size; j++)
-                        frame_size |= bytestream2_get_byte(&bc) << (j * 8);
-
-                    total_size += frame_size;
-                    if (frame_size < 0 || total_size > in->size - idx_size) {
-                        av_log(ctx, AV_LOG_ERROR,
-                               "Invalid frame size in a superframe: %d\n", frame_size);
-                        ret = AVERROR(EINVAL);
-                        goto fail;
-                    }
-                    s->sizes[i] = frame_size;
-                }
-                s->nb_frames         = nb_frames;
-                s->next_frame        = 0;
-                s->next_frame_offset = 0;
-                is_superframe        = 1;
-            }
-        }
-    }
-
-    if (is_superframe) {
-        GetBitContext gb;
-        int profile, invisible = 0;
-
-        ret = av_packet_ref(out, &s->buffer_pkt);
-        if (ret < 0)
-            goto fail;
-
-        out->data += s->next_frame_offset;
-        out->size  = s->sizes[s->next_frame];
-
-        s->next_frame_offset += out->size;
-        s->next_frame++;
-
-        if (s->next_frame >= s->nb_frames)
-            av_packet_unref(&s->buffer_pkt);
-
-        ret = init_get_bits8(&gb, out->data, out->size);
-        if (ret < 0)
-            goto fail;
-
-        get_bits(&gb, 2); // frame_marker
-        profile  = get_bits1(&gb);
-        profile |= get_bits1(&gb) << 1;
-        if (profile == 3)
-            get_bits1(&gb);
-        if (!get_bits1(&gb)) {
-            get_bits1(&gb);
-            invisible = !get_bits1(&gb);
-        }
-
-        if (invisible)
-            out->pts = AV_NOPTS_VALUE;
-
-    } else {
-        av_packet_move_ref(out, &s->buffer_pkt);
-    }
-
-    return 0;
-fail:
-    if (ret < 0)
-        av_packet_unref(out);
-    av_packet_unref(&s->buffer_pkt);
-    return ret;
-}
-
-static void vp9_superframe_split_uninit(AVBSFContext *ctx)
-{
-    VP9SFSplitContext *s = ctx->priv_data;
-    av_packet_unref(&s->buffer_pkt);
-}
-
-const AVBitStreamFilter ff_vp9_superframe_split_bsf = {
-    .name = "vp9_superframe_split",
-    .priv_data_size = sizeof(VP9SFSplitContext),
-    .close          = vp9_superframe_split_uninit,
-    .filter         = vp9_superframe_split_filter,
-    .codec_ids      = (const enum AVCodecID []){ AV_CODEC_ID_VP9, AV_CODEC_ID_NONE },
-};