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authorPaul B Mahol <onemda@gmail.com>2012-12-08 12:18:23 +0000
committerPaul B Mahol <onemda@gmail.com>2012-12-09 22:01:00 +0000
commitcef28b56027c3c9ca2359a50741fc5312d627ef8 (patch)
treec8dd1fe2b4f5397793841e0a4fca4fb72180fb7d /libavcodec/tak.c
parent461b5bf4abf70f8b8baba01812682c77512d079c (diff)
tak: reduce difference with qatar
Mostly cosmetics changes, but also makes decoding little faster here. Signed-off-by: Paul B Mahol <onemda@gmail.com>
Diffstat (limited to 'libavcodec/tak.c')
-rw-r--r--libavcodec/tak.c30
1 files changed, 14 insertions, 16 deletions
diff --git a/libavcodec/tak.c b/libavcodec/tak.c
index 616cbc80da..92dc44c2cd 100644
--- a/libavcodec/tak.c
+++ b/libavcodec/tak.c
@@ -56,12 +56,13 @@ static int tak_get_nb_samples(int sample_rate, enum TAKFrameSizeType type)
if (type <= TAK_FST_250ms) {
nb_samples = sample_rate * frame_duration_type_quants[type] >>
- TAK_FRAME_DURATION_QUANT_SHIFT;
+ TAK_FRAME_DURATION_QUANT_SHIFT;
max_nb_samples = 16384;
} else if (type < FF_ARRAY_ELEMS(frame_duration_type_quants)) {
nb_samples = frame_duration_type_quants[type];
- max_nb_samples = sample_rate * frame_duration_type_quants[TAK_FST_250ms] >>
- TAK_FRAME_DURATION_QUANT_SHIFT;
+ max_nb_samples = sample_rate *
+ frame_duration_type_quants[TAK_FST_250ms] >>
+ TAK_FRAME_DURATION_QUANT_SHIFT;
} else {
return AVERROR_INVALIDDATA;
}
@@ -116,9 +117,12 @@ void avpriv_tak_parse_streaminfo(GetBitContext *gb, TAKStreamInfo *s)
s->samples = get_bits64(gb, TAK_SIZE_SAMPLES_NUM_BITS);
s->data_type = get_bits(gb, TAK_FORMAT_DATA_TYPE_BITS);
- s->sample_rate = get_bits(gb, TAK_FORMAT_SAMPLE_RATE_BITS) + TAK_SAMPLE_RATE_MIN;
- s->bps = get_bits(gb, TAK_FORMAT_BPS_BITS) + TAK_BPS_MIN;
- s->channels = get_bits(gb, TAK_FORMAT_CHANNEL_BITS) + TAK_CHANNELS_MIN;
+ s->sample_rate = get_bits(gb, TAK_FORMAT_SAMPLE_RATE_BITS) +
+ TAK_SAMPLE_RATE_MIN;
+ s->bps = get_bits(gb, TAK_FORMAT_BPS_BITS) +
+ TAK_BPS_MIN;
+ s->channels = get_bits(gb, TAK_FORMAT_CHANNEL_BITS) +
+ TAK_CHANNELS_MIN;
if (get_bits1(gb)) {
skip_bits(gb, TAK_FORMAT_VALID_BITS);
@@ -136,31 +140,25 @@ void avpriv_tak_parse_streaminfo(GetBitContext *gb, TAKStreamInfo *s)
s->frame_samples = tak_get_nb_samples(s->sample_rate, frame_type);
}
-#define FRAME_IS_LAST 1
-#define FRAME_HAVE_INFO 2
-#define FRAME_HAVE_METADATA 4
-
int ff_tak_decode_frame_header(AVCodecContext *avctx, GetBitContext *gb,
TAKStreamInfo *ti, int log_level_offset)
{
- int flags;
-
if (get_bits(gb, TAK_FRAME_HEADER_SYNC_ID_BITS) != TAK_FRAME_HEADER_SYNC_ID) {
av_log(avctx, AV_LOG_ERROR + log_level_offset, "missing sync id\n");
return AVERROR_INVALIDDATA;
}
- flags = get_bits(gb, TAK_FRAME_HEADER_FLAGS_BITS);
+ ti->flags = get_bits(gb, TAK_FRAME_HEADER_FLAGS_BITS);
ti->frame_num = get_bits(gb, TAK_FRAME_HEADER_NO_BITS);
- if (flags & FRAME_IS_LAST) {
+ if (ti->flags & TAK_FRAME_FLAG_IS_LAST) {
ti->last_frame_samples = get_bits(gb, TAK_FRAME_HEADER_SAMPLE_COUNT_BITS) + 1;
skip_bits(gb, 2);
} else {
ti->last_frame_samples = 0;
}
- if (flags & FRAME_HAVE_INFO) {
+ if (ti->flags & TAK_FRAME_FLAG_HAS_INFO) {
avpriv_tak_parse_streaminfo(gb, ti);
if (get_bits(gb, 6))
@@ -168,7 +166,7 @@ int ff_tak_decode_frame_header(AVCodecContext *avctx, GetBitContext *gb,
align_get_bits(gb);
}
- if (flags & FRAME_HAVE_METADATA)
+ if (ti->flags & TAK_FRAME_FLAG_HAS_METADATA)
return AVERROR_INVALIDDATA;
skip_bits(gb, 24);