diff options
| -rw-r--r-- | libavformat/spdifenc.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/libavformat/spdifenc.c b/libavformat/spdifenc.c index 9514ff8e10..4307942a44 100644 --- a/libavformat/spdifenc.c +++ b/libavformat/spdifenc.c @@ -422,8 +422,13 @@ static int spdif_header_truehd(AVFormatContext *s, AVPacket *pkt) memcpy(&ctx->hd_buf[ctx->hd_buf_count * TRUEHD_FRAME_OFFSET - BURST_HEADER_SIZE + mat_code_length], pkt->data, pkt->size); - memset(&ctx->hd_buf[ctx->hd_buf_count * TRUEHD_FRAME_OFFSET - BURST_HEADER_SIZE + mat_code_length + pkt->size], - 0, TRUEHD_FRAME_OFFSET - pkt->size - mat_code_length); + if (ctx->hd_buf_count < 23) { + memset(&ctx->hd_buf[ctx->hd_buf_count * TRUEHD_FRAME_OFFSET - BURST_HEADER_SIZE + mat_code_length + pkt->size], + 0, TRUEHD_FRAME_OFFSET - pkt->size - mat_code_length); + } else { + size_t padding = MAT_FRAME_SIZE - (ctx->hd_buf_count * TRUEHD_FRAME_OFFSET - BURST_HEADER_SIZE + pkt->size); + memset(&ctx->hd_buf[MAT_FRAME_SIZE - padding], 0, padding); + } if (++ctx->hd_buf_count < 24){ ctx->pkt_offset = 0; |