Module: ffmpeg Branch: master Commit: 8a8c283edd0da5863eb729a31a94b70820400941
Author: Peter Ross <[email protected]> Committer: Ronald S. Bultje <[email protected]> Date: Sun Feb 20 12:24:48 2011 +1100 binkaudio: simplify frame_len_bits and frame_len calculation Signed-off-by: Ronald S. Bultje <[email protected]> --- libavcodec/binkaudio.c | 6 ++---- 1 files changed, 2 insertions(+), 4 deletions(-) diff --git a/libavcodec/binkaudio.c b/libavcodec/binkaudio.c index b601a01..116bf5b 100644 --- a/libavcodec/binkaudio.c +++ b/libavcodec/binkaudio.c @@ -81,7 +81,6 @@ static av_cold int decode_init(AVCodecContext *avctx) } else { frame_len_bits = 11; } - s->frame_len = 1 << frame_len_bits; if (avctx->channels > MAX_CHANNELS) { av_log(avctx, AV_LOG_ERROR, "too many channels: %d\n", avctx->channels); @@ -91,14 +90,13 @@ static av_cold int decode_init(AVCodecContext *avctx) if (avctx->codec->id == CODEC_ID_BINKAUDIO_RDFT) { // audio is already interleaved for the RDFT format variant sample_rate *= avctx->channels; - s->frame_len *= avctx->channels; s->channels = 1; - if (avctx->channels == 2) - frame_len_bits++; + frame_len_bits += av_log2(avctx->channels); } else { s->channels = avctx->channels; } + s->frame_len = 1 << frame_len_bits; s->overlap_len = s->frame_len / 16; s->block_size = (s->frame_len - s->overlap_len) * s->channels; sample_rate_half = (sample_rate + 1) / 2; _______________________________________________ ffmpeg-commits mailing list [email protected] https://lists.mplayerhq.hu/mailman/listinfo/ffmpeg-commits
