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authorRamiro Polla <ramiro.polla@gmail.com>2009-04-18 19:52:52 +0000
committerRamiro Polla <ramiro.polla@gmail.com>2009-04-18 19:52:52 +0000
commitf95f6ab91eb542321c829bbc85d448a0cf18e064 (patch)
tree89bd69cc2129babab04e754472541c792815f5eb /libavcodec/mlpdec.c
parent63ad832dd66964f961b12fb2e4dc46bfdd7d4e16 (diff)
downloadffmpeg-f95f6ab91eb542321c829bbc85d448a0cf18e064.tar.gz
mlpdec: {}- and whitespace-related cosmetics.
Originally committed as revision 18614 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/mlpdec.c')
-rw-r--r--libavcodec/mlpdec.c49
1 files changed, 21 insertions, 28 deletions
diff --git a/libavcodec/mlpdec.c b/libavcodec/mlpdec.c
index e6b7b048a4..7b5ad80689 100644
--- a/libavcodec/mlpdec.c
+++ b/libavcodec/mlpdec.c
@@ -426,9 +426,8 @@ static int read_restart_header(MLPDecodeContext *m, GetBitContext *gbp,
cp->huff_lsbs = 24;
}
- if (substr == m->max_decoded_substream) {
+ if (substr == m->max_decoded_substream)
m->avctx->channels = s->max_matrix_channel + 1;
- }
return 0;
}
@@ -624,8 +623,8 @@ static int read_decoding_params(MLPDecodeContext *m, GetBitContext *gbp,
unsigned int ch;
if (s->param_presence_flags & PARAM_PRESENCE)
- if (get_bits1(gbp))
- s->param_presence_flags = get_bits(gbp, 8);
+ if (get_bits1(gbp))
+ s->param_presence_flags = get_bits(gbp, 8);
if (s->param_presence_flags & PARAM_BLOCKSIZE)
if (get_bits1(gbp)) {
@@ -638,16 +637,14 @@ static int read_decoding_params(MLPDecodeContext *m, GetBitContext *gbp,
}
if (s->param_presence_flags & PARAM_MATRIX)
- if (get_bits1(gbp)) {
+ if (get_bits1(gbp))
if (read_matrix_params(m, substr, gbp) < 0)
return -1;
- }
if (s->param_presence_flags & PARAM_OUTSHIFT)
if (get_bits1(gbp))
- for (ch = 0; ch <= s->max_matrix_channel; ch++) {
+ for (ch = 0; ch <= s->max_matrix_channel; ch++)
s->output_shift[ch] = get_sbits(gbp, 4);
- }
if (s->param_presence_flags & PARAM_QUANTSTEP)
if (get_bits1(gbp))
@@ -660,10 +657,9 @@ static int read_decoding_params(MLPDecodeContext *m, GetBitContext *gbp,
}
for (ch = s->min_channel; ch <= s->max_channel; ch++)
- if (get_bits1(gbp)) {
+ if (get_bits1(gbp))
if (read_channel_params(m, substr, gbp, ch) < 0)
return -1;
- }
return 0;
}
@@ -740,14 +736,12 @@ static int read_block_data(MLPDecodeContext *m, GetBitContext *gbp,
memset(&m->bypassed_lsbs[s->blockpos][0], 0,
s->blocksize * sizeof(m->bypassed_lsbs[0]));
- for (i = 0; i < s->blocksize; i++) {
+ for (i = 0; i < s->blocksize; i++)
if (read_huff_channels(m, gbp, substr, i) < 0)
return -1;
- }
- for (ch = s->min_channel; ch <= s->max_channel; ch++) {
+ for (ch = s->min_channel; ch <= s->max_channel; ch++)
filter_channel(m, substr, ch);
- }
s->blockpos += s->blocksize;
@@ -857,17 +851,18 @@ static void rematrix_channels(MLPDecodeContext *m, unsigned int substr)
for (i = 0; i < s->blockpos; i++) {
int32_t *samples = m->sample_buffer[i];
int64_t accum = 0;
- for (src_ch = 0; src_ch <= maxchan; src_ch++) {
- accum += (int64_t)samples[src_ch]
- * coeffs[src_ch];
- }
+
+ for (src_ch = 0; src_ch <= maxchan; src_ch++)
+ accum += (int64_t) samples[src_ch] * coeffs[src_ch];
+
if (matrix_noise_shift) {
index &= m->access_unit_size_pow2 - 1;
accum += m->noise_buffer[index] << (matrix_noise_shift + 7);
index += index2;
}
+
samples[dest_ch] = ((accum >> 14) & mask)
- + m->bypassed_lsbs[i][mat];
+ + m->bypassed_lsbs[i][mat];
}
}
}
@@ -1033,17 +1028,14 @@ static int read_access_unit(AVCodecContext *avctx, void* data, int *data_size,
s->restart_seen = 1;
}
- if (!s->restart_seen) {
+ if (!s->restart_seen)
goto next_substr;
- }
-
if (read_decoding_params(m, &gb, substr) < 0)
goto next_substr;
}
- if (!s->restart_seen) {
+ if (!s->restart_seen)
goto next_substr;
- }
if (read_block_data(m, &gb, substr) < 0)
return -1;
@@ -1054,6 +1046,7 @@ static int read_access_unit(AVCodecContext *avctx, void* data, int *data_size,
} while (!get_bits1(&gb));
skip_bits(&gb, (-get_bits_count(&gb)) & 15);
+
if (substream_data_len[substr] * 8 - get_bits_count(&gb) >= 32) {
int shorten_by;
@@ -1069,6 +1062,7 @@ static int read_access_unit(AVCodecContext *avctx, void* data, int *data_size,
if (substr == m->max_decoded_substream)
av_log(m->avctx, AV_LOG_INFO, "End of stream indicated.\n");
}
+
if (substream_parity_present[substr]) {
uint8_t parity, checksum;
@@ -1083,15 +1077,14 @@ static int read_access_unit(AVCodecContext *avctx, void* data, int *data_size,
if ( get_bits(&gb, 8) != checksum)
av_log(m->avctx, AV_LOG_ERROR, "Substream %d checksum failed.\n" , substr);
}
- if (substream_data_len[substr] * 8 != get_bits_count(&gb)) {
+
+ if (substream_data_len[substr] * 8 != get_bits_count(&gb))
goto substream_length_mismatch;
- }
next_substr:
- if (!s->restart_seen) {
+ if (!s->restart_seen)
av_log(m->avctx, AV_LOG_ERROR,
"No restart header present in substream %d.\n", substr);
- }
buf += substream_data_len[substr];
}