From 1fc5d327e412983bc6e0ea5f65b2c5589e814b47 Mon Sep 17 00:00:00 2001 From: Andreas Rheinhardt Date: Mon, 4 Jul 2022 11:24:44 +0200 Subject: avformat/(mpeg|mpegts|mxf|sup)enc: Use const uint8_t* to access pkt data The packets muxers receive are not guaranteed to be writable, so they must not be modified. Ergo only access the packet's data via a const uint8_t*. Reviewed-by: Paul B Mahol Signed-off-by: Andreas Rheinhardt --- libavformat/mpegenc.c | 2 +- libavformat/mpegtsenc.c | 2 +- libavformat/mxfenc.c | 4 ++-- libavformat/supenc.c | 2 +- 4 files changed, 5 insertions(+), 5 deletions(-) (limited to 'libavformat') diff --git a/libavformat/mpegenc.c b/libavformat/mpegenc.c index 62692bfcd1..3ab4bd3f9b 100644 --- a/libavformat/mpegenc.c +++ b/libavformat/mpegenc.c @@ -1145,7 +1145,7 @@ static int mpeg_mux_write_packet(AVFormatContext *ctx, AVPacket *pkt) { int stream_index = pkt->stream_index; int size = pkt->size; - uint8_t *buf = pkt->data; + const uint8_t *buf = pkt->data; MpegMuxContext *s = ctx->priv_data; AVStream *st = ctx->streams[stream_index]; StreamInfo *stream = st->priv_data; diff --git a/libavformat/mpegtsenc.c b/libavformat/mpegtsenc.c index 18e8f7e45f..c964d58c8e 100644 --- a/libavformat/mpegtsenc.c +++ b/libavformat/mpegtsenc.c @@ -1836,7 +1836,7 @@ static int mpegts_write_packet_internal(AVFormatContext *s, AVPacket *pkt) { AVStream *st = s->streams[pkt->stream_index]; int size = pkt->size; - uint8_t *buf = pkt->data; + const uint8_t *buf = pkt->data; uint8_t *data = NULL; MpegTSWrite *ts = s->priv_data; MpegTSWriteStream *ts_st = st->priv_data; diff --git a/libavformat/mxfenc.c b/libavformat/mxfenc.c index 7041659143..2d08dd6d40 100644 --- a/libavformat/mxfenc.c +++ b/libavformat/mxfenc.c @@ -2806,8 +2806,8 @@ static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacke MXFContext *mxf = s->priv_data; AVIOContext *pb = s->pb; int frame_size = pkt->size / st->codecpar->block_align; - uint8_t *samples = pkt->data; - uint8_t *end = pkt->data + pkt->size; + const uint8_t *samples = pkt->data; + const uint8_t *const end = pkt->data + pkt->size; int i; klv_encode_ber4_length(pb, 4 + frame_size*4*8); diff --git a/libavformat/supenc.c b/libavformat/supenc.c index 1ca19fa161..c45d8a5321 100644 --- a/libavformat/supenc.c +++ b/libavformat/supenc.c @@ -27,7 +27,7 @@ static int sup_write_packet(AVFormatContext *s, AVPacket *pkt) { - uint8_t *data = pkt->data; + const uint8_t *data = pkt->data; size_t size = pkt->size; uint32_t pts = 0, dts = 0; -- cgit v1.2.3