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mlp: Rename the channel layout variable 

Purely cosmetic change, will make code more readable once the new
channel layout takes over.
This commit is contained in:
Vittorio Giovara 2017-04-25 16:26:56 -04:00
parent bee89ed3ec
commit 1f6e5dd4d4
1 changed files with 12 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
libavcodec/mlpdec.c
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@ -67,7 +67,7 @@ typedef struct SubStream {
/// For each channel output by the matrix, the output channel to map it to
uint8_t ch_assign[MAX_CHANNELS];
/// The channel layout for this substream
uint64_t ch_layout;
uint64_t mask;
/// The matrix encoding mode for this substream
enum AVMatrixEncoding matrix_encoding;
@ -383,17 +383,17 @@ static int read_major_sync(MLPDecodeContext *m, BitstreamContext *bc)
* major sync. */
if (m->avctx->codec_id == AV_CODEC_ID_MLP) {
if ((substr = (mh.num_substreams > 1)))
m->substream[0].ch_layout = AV_CH_LAYOUT_STEREO;
m->substream[substr].ch_layout = mh.channel_layout_mlp;
m->substream[0].mask = AV_CH_LAYOUT_STEREO;
m->substream[substr].mask = mh.channel_layout_mlp;
} else {
if ((substr = (mh.num_substreams > 1)))
m->substream[0].ch_layout = AV_CH_LAYOUT_STEREO;
m->substream[0].mask = AV_CH_LAYOUT_STEREO;
if (mh.num_substreams > 2)
if (mh.channel_layout_thd_stream2)
m->substream[2].ch_layout = mh.channel_layout_thd_stream2;
m->substream[2].mask = mh.channel_layout_thd_stream2;
else
m->substream[2].ch_layout = mh.channel_layout_thd_stream1;
m->substream[substr].ch_layout = mh.channel_layout_thd_stream1;
m->substream[2].mask = mh.channel_layout_thd_stream1;
m->substream[substr].mask = mh.channel_layout_thd_stream1;
}
/* Parse the TrueHD decoder channel modifiers and set each substream's
@ -511,12 +511,12 @@ static int read_restart_header(MLPDecodeContext *m, BitstreamContext *bc,
s->max_channel = max_channel;
s->max_matrix_channel = max_matrix_channel;
if (m->avctx->request_channel_layout && (s->ch_layout & m->avctx->request_channel_layout) ==
if (m->avctx->request_channel_layout && (s->mask & m->avctx->request_channel_layout) ==
m->avctx->request_channel_layout && m->max_decoded_substream > substr) {
av_log(m->avctx, AV_LOG_DEBUG,
"Extracting %d-channel downmix (0x%"PRIx64") from substream %d. "
"Further substreams will be skipped.\n",
s->max_channel + 1, s->ch_layout, substr);
s->max_channel + 1, s->mask, substr);
m->max_decoded_substream = substr;
}
@ -543,9 +543,9 @@ static int read_restart_header(MLPDecodeContext *m, BitstreamContext *bc,
for (ch = 0; ch <= s->max_matrix_channel; ch++) {
int ch_assign = bitstream_read(bc, 6);
if (m->avctx->codec_id == AV_CODEC_ID_TRUEHD) {
uint64_t channel = thd_channel_layout_extract_channel(s->ch_layout,
uint64_t channel = thd_channel_layout_extract_channel(s->mask,
ch_assign);
ch_assign = av_get_channel_layout_channel_index(s->ch_layout,
ch_assign = av_get_channel_layout_channel_index(s->mask,
channel);
}
if (ch_assign < 0 || ch_assign > s->max_matrix_channel) {
@ -587,7 +587,7 @@ static int read_restart_header(MLPDecodeContext *m, BitstreamContext *bc,
if (substr == m->max_decoded_substream) {
m->avctx->channels = s->max_matrix_channel + 1;
m->avctx->channel_layout = s->ch_layout;
m->avctx->channel_layout = s->mask;
m->dsp.mlp_pack_output = m->dsp.mlp_select_pack_output(s->ch_assign,
s->output_shift,
s->max_matrix_channel,