From a866cc3ad3fba0b47268f7f5256dde8fc67045c4 Mon Sep 17 00:00:00 2001 From: James Almer Date: Wed, 4 Apr 2018 00:43:40 -0300 Subject: [PATCH] avcodec/mpeg4videodec: free studio profile VLCs when closing the decoder Fixes memleaks. Signed-off-by: James Almer --- libavcodec/mpeg4videodec.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c index f53bd03bf1..53ad218cb7 100644 --- a/libavcodec/mpeg4videodec.c +++ b/libavcodec/mpeg4videodec.c @@ -3375,6 +3375,20 @@ static av_cold int decode_init(AVCodecContext *avctx) return 0; } +static av_cold int decode_end(AVCodecContext *avctx) +{ + Mpeg4DecContext *ctx = avctx->priv_data; + int i; + + for (i = 0; i < 12; i++) + ff_free_vlc(&ctx->studio_intra_tab[i]); + + ff_free_vlc(&ctx->studio_luma_dc); + ff_free_vlc(&ctx->studio_chroma_dc); + + return ff_h263_decode_end(avctx); +} + static const AVOption mpeg4_options[] = { {"quarter_sample", "1/4 subpel MC", offsetof(MpegEncContext, quarter_sample), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, 0}, {"divx_packed", "divx style packed b frames", offsetof(MpegEncContext, divx_packed), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, 0}, @@ -3395,7 +3409,7 @@ AVCodec ff_mpeg4_decoder = { .id = AV_CODEC_ID_MPEG4, .priv_data_size = sizeof(Mpeg4DecContext), .init = decode_init, - .close = ff_h263_decode_end, + .close = decode_end, .decode = ff_h263_decode_frame, .capabilities = AV_CODEC_CAP_DRAW_HORIZ_BAND | AV_CODEC_CAP_DR1 | AV_CODEC_CAP_TRUNCATED | AV_CODEC_CAP_DELAY |