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author | Michael Niedermayer <michael@niedermayer.cc> | 2022-08-18 22:22:45 +0200 |
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committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-08-28 22:06:42 +0200 |
commit | e1c0239d5a17f3cbcd69c339ec3eb4917f1f7ddf (patch) | |
tree | 1069e681de668757c592e6c52df7e91020fa617a | |
parent | f3e823c2aa04d4f5571a5e04c27a244890704c8d (diff) | |
download | ffmpeg-e1c0239d5a17f3cbcd69c339ec3eb4917f1f7ddf.tar.gz |
avcodec/bethsoftvideo: Pass GetByteContext into set_palette()
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r-- | libavcodec/bethsoftvideo.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/libavcodec/bethsoftvideo.c b/libavcodec/bethsoftvideo.c index ea5016bae5..9fbfc3db4f 100644 --- a/libavcodec/bethsoftvideo.c +++ b/libavcodec/bethsoftvideo.c @@ -51,16 +51,16 @@ static av_cold int bethsoftvid_decode_init(AVCodecContext *avctx) return 0; } -static int set_palette(BethsoftvidContext *ctx) +static int set_palette(BethsoftvidContext *ctx, GetByteContext *g) { uint32_t *palette = (uint32_t *)ctx->frame->data[1]; int a; - if (bytestream2_get_bytes_left(&ctx->g) < 256*3) + if (bytestream2_get_bytes_left(g) < 256*3) return AVERROR_INVALIDDATA; for(a = 0; a < 256; a++){ - palette[a] = 0xFFU << 24 | bytestream2_get_be24u(&ctx->g) * 4; + palette[a] = 0xFFU << 24 | bytestream2_get_be24u(g) * 4; palette[a] |= palette[a] >> 6 & 0x30303; } ctx->frame->palette_has_changed = 1; @@ -85,9 +85,10 @@ static int bethsoftvid_decode_frame(AVCodecContext *avctx, AVFrame *rframe, if (avpkt->side_data_elems > 0 && avpkt->side_data[0].type == AV_PKT_DATA_PALETTE) { - bytestream2_init(&vid->g, avpkt->side_data[0].data, + GetByteContext g; + bytestream2_init(&g, avpkt->side_data[0].data, avpkt->side_data[0].size); - if ((ret = set_palette(vid)) < 0) + if ((ret = set_palette(vid, &g)) < 0) return ret; } @@ -98,7 +99,7 @@ static int bethsoftvid_decode_frame(AVCodecContext *avctx, AVFrame *rframe, switch(block_type = bytestream2_get_byte(&vid->g)){ case PALETTE_BLOCK: { *got_frame = 0; - if ((ret = set_palette(vid)) < 0) { + if ((ret = set_palette(vid, &vid->g)) < 0) { av_log(avctx, AV_LOG_ERROR, "error reading palette\n"); return ret; } |