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Code Issues Releases Activity

brstm: convert to new channel layout API

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Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
Anton Khirnov
2019-05-13 11:11:26 +02:00
committed by James Almer
parent 8269fbcb7a
commit 658102a823
1 changed files with 22 additions and 21 deletions
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43
libavformat/brstm.c
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@@ -209,8 +209,8 @@ static int read_header(AVFormatContext *s)
loop = avio_r8(s->pb); // loop flag
st->codecpar->codec_id = codec;
st->codecpar->channels = avio_r8(s->pb);
if (!st->codecpar->channels)
st->codecpar->ch_layout.nb_channels = avio_r8(s->pb);
if (!st->codecpar->ch_layout.nb_channels)
return AVERROR_INVALIDDATA;
avio_skip(s->pb, 1); // padding
@@ -246,14 +246,14 @@ static int read_header(AVFormatContext *s)
}
b->block_size = read32(s);
if (b->block_size > UINT32_MAX / st->codecpar->channels)
if (b->block_size > UINT32_MAX / st->codecpar->ch_layout.nb_channels)
return AVERROR_INVALIDDATA;
b->samples_per_block = read32(s);
b->last_block_used_bytes = read32(s);
b->last_block_samples = read32(s);
b->last_block_size = read32(s);
if (b->last_block_size > UINT32_MAX / st->codecpar->channels)
if (b->last_block_size > UINT32_MAX / st->codecpar->ch_layout.nb_channels)
return AVERROR_INVALIDDATA;
if (b->last_block_used_bytes > b->last_block_size)
return AVERROR_INVALIDDATA;
@@ -266,24 +266,24 @@ static int read_header(AVFormatContext *s)
if (!bfstm)
toffset = read32(s) + 16LL;
else
toffset = toffset + read32(s) + st->codecpar->channels * 8 - 8;
toffset = toffset + read32(s) + st->codecpar->ch_layout.nb_channels * 8 - 8;
if (toffset > size)
return AVERROR_INVALIDDATA;
if (!bfstm) {
avio_skip(s->pb, pos + toffset - avio_tell(s->pb) - 8LL * (st->codecpar->channels + 1));
for (ch = 0; ch < st->codecpar->channels; ch++) {
avio_skip(s->pb, pos + toffset - avio_tell(s->pb) - 8LL * (st->codecpar->ch_layout.nb_channels + 1));
for (ch = 0; ch < st->codecpar->ch_layout.nb_channels; ch++) {
avio_skip(s->pb, 4);
b->offsets[ch].channel = ch;
b->offsets[ch].offset = read32(s);
}
qsort(b->offsets, st->codecpar->channels, sizeof(*b->offsets), sort_offsets);
qsort(b->offsets, st->codecpar->ch_layout.nb_channels, sizeof(*b->offsets), sort_offsets);
}
avio_skip(s->pb, pos + toffset - avio_tell(s->pb));
for (ch = 0; ch < st->codecpar->channels; ch++) {
for (ch = 0; ch < st->codecpar->ch_layout.nb_channels; ch++) {
if (!bfstm)
avio_skip(s->pb, pos + 16LL + b->offsets[ch].offset - avio_tell(s->pb));
@@ -313,7 +313,7 @@ static int read_header(AVFormatContext *s)
codec != AV_CODEC_ID_ADPCM_THP_LE)
goto skip;
asize = b->block_count * st->codecpar->channels * 4;
asize = b->block_count * st->codecpar->ch_layout.nb_channels * 4;
if (size < asize)
return AVERROR_INVALIDDATA;
if (b->adpc) {
@@ -369,6 +369,7 @@ static int read_packet(AVFormatContext *s, AVPacket *pkt)
AVCodecParameters *par = s->streams[0]->codecpar;
BRSTMDemuxContext *b = s->priv_data;
uint32_t samples, size, skip = 0;
int channels = par->ch_layout.nb_channels;
int ret, i;
if (avio_feof(s->pb))
@@ -404,24 +405,24 @@ static int read_packet(AVFormatContext *s, AVPacket *pkt)
}
if (size > (INT_MAX - 32 - 4) ||
(32 + 4 + size) > (INT_MAX / par->channels) ||
(32 + 4 + size) * par->channels > INT_MAX - 8)
(32 + 4 + size) > (INT_MAX / channels) ||
(32 + 4 + size) * channels > INT_MAX - 8)
return AVERROR_INVALIDDATA;
if ((ret = av_new_packet(pkt, 8 + (32 + 4 + size) * par->channels)) < 0)
if ((ret = av_new_packet(pkt, 8 + (32 + 4 + size) * channels)) < 0)
return ret;
dst = pkt->data;
if (par->codec_id == AV_CODEC_ID_ADPCM_THP_LE) {
bytestream_put_le32(&dst, size * par->channels);
bytestream_put_le32(&dst, size * channels);
bytestream_put_le32(&dst, samples);
} else {
bytestream_put_be32(&dst, size * par->channels);
bytestream_put_be32(&dst, size * channels);
bytestream_put_be32(&dst, samples);
}
bytestream_put_buffer(&dst, b->table, 32 * par->channels);
bytestream_put_buffer(&dst, b->adpc + 4 * par->channels *
(b->current_block - 1), 4 * par->channels);
bytestream_put_buffer(&dst, b->table, 32 * channels);
bytestream_put_buffer(&dst, b->adpc + 4 * channels *
(b->current_block - 1), 4 * channels);
for (i = 0; i < par->channels; i++) {
for (i = 0; i < channels; i++) {
ret = avio_read(s->pb, dst, size);
dst += size;
avio_skip(s->pb, skip);
@@ -431,7 +432,7 @@ static int read_packet(AVFormatContext *s, AVPacket *pkt)
}
pkt->duration = samples;
} else {
size *= par->channels;
size *= channels;
ret = av_get_packet(s->pb, pkt, size);
}
@@ -456,7 +457,7 @@ static int read_seek(AVFormatContext *s, int stream_index,
if (timestamp >= b->block_count)
timestamp = b->block_count - 1;
ret = avio_seek(s->pb, b->data_start + timestamp * b->block_size *
st->codecpar->channels, SEEK_SET);
st->codecpar->ch_layout.nb_channels, SEEK_SET);
if (ret < 0)
return ret;