diff options
| -rw-r--r-- | libavformat/latmenc.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/libavformat/latmenc.c b/libavformat/latmenc.c index 684483bc71..701c3932c4 100644 --- a/libavformat/latmenc.c +++ b/libavformat/latmenc.c @@ -101,6 +101,17 @@ static int latm_write_header(AVFormatContext *s) return 0; } +static void copy_bits(PutBitContext *pb, const uint8_t *src, int length) +{ + int words = length >> 4; + int bits = length & 15; + int i; + for (i = 0; i < words; i++) + put_bits(pb, 16, AV_RB16(src + 2 * i)); + if (bits) + put_bits(pb, bits, AV_RB16(src + 2 * words) >> (16 - bits)); +} + static void latm_write_frame_header(AVFormatContext *s, PutBitContext *bs) { LATMContext *ctx = s->priv_data; @@ -121,11 +132,11 @@ static void latm_write_frame_header(AVFormatContext *s, PutBitContext *bs) /* AudioSpecificConfig */ if (ctx->object_type == AOT_ALS) { header_size = (par->extradata_size - (ctx->off >> 3)) * 8; - avpriv_copy_bits(bs, &par->extradata[ctx->off >> 3], header_size); + copy_bits(bs, &par->extradata[ctx->off >> 3], header_size); } else { // + 3 assumes not scalable and dependsOnCoreCoder == 0, // see decode_ga_specific_config in libavcodec/aacdec.c - avpriv_copy_bits(bs, par->extradata, ctx->off + 3); + copy_bits(bs, par->extradata, ctx->off + 3); if (!ctx->channel_conf) { GetBitContext gb; @@ -207,9 +218,9 @@ static int latm_write_packet(AVFormatContext *s, AVPacket *pkt) // This allows us to remux our FATE AAC samples into latm // files that are still playable with minimal effort. put_bits(&bs, 8, pkt->data[0] & 0xfe); - avpriv_copy_bits(&bs, pkt->data + 1, 8*pkt->size - 8); + copy_bits(&bs, pkt->data + 1, 8*pkt->size - 8); } else - avpriv_copy_bits(&bs, pkt->data, 8*pkt->size); + copy_bits(&bs, pkt->data, 8*pkt->size); flush_put_bits(&bs); |