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avformat/nutdec: Don't create inconsistent side data 

Forgotten in 65ddc74988.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2024-05-30 01:58:23 +02:00
parent 4037d5e103
commit 87a13986bc
1 changed files with 4 additions and 10 deletions
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14
libavformat/nutdec.c
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@ -881,8 +881,6 @@ static int read_sm_data(AVFormatContext *s, AVIOContext *bc, AVPacket *pkt, int
int count = ffio_read_varlen(bc);
int skip_start = 0;
int skip_end = 0;
int channels = 0;
int64_t channel_layout = 0;
int sample_rate = 0;
int width = 0;
int height = 0;
@ -930,7 +928,7 @@ static int read_sm_data(AVFormatContext *s, AVIOContext *bc, AVPacket *pkt, int
AV_WB64(dst, v64);
dst += 8;
} else if (!strcmp(name, "ChannelLayout") && value_len == 8) {
channel_layout = avio_rl64(bc);
// Ignored
continue;
} else {
av_log(s, AV_LOG_WARNING, "Unknown data %s / %s\n", name, type_str);
@ -952,7 +950,7 @@ static int read_sm_data(AVFormatContext *s, AVIOContext *bc, AVPacket *pkt, int
} else if (!strcmp(name, "SkipEnd")) {
skip_end = value;
} else if (!strcmp(name, "Channels")) {
channels = value;
// Ignored
} else if (!strcmp(name, "SampleRate")) {
sample_rate = value;
} else if (!strcmp(name, "Width")) {
@ -965,18 +963,14 @@ static int read_sm_data(AVFormatContext *s, AVIOContext *bc, AVPacket *pkt, int
}
}
if (channels || channel_layout || sample_rate || width || height) {
uint8_t *dst = av_packet_new_side_data(pkt, AV_PKT_DATA_PARAM_CHANGE, 28);
if (sample_rate || width || height) {
uint8_t *dst = av_packet_new_side_data(pkt, AV_PKT_DATA_PARAM_CHANGE, 16);
if (!dst)
return AVERROR(ENOMEM);
bytestream_put_le32(&dst,
AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE*(!!sample_rate) +
AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS*(!!(width|height))
);
if (channels)
bytestream_put_le32(&dst, channels);
if (channel_layout)
bytestream_put_le64(&dst, channel_layout);
if (sample_rate)
bytestream_put_le32(&dst, sample_rate);
if (width || height){