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path: root/src/libxineadec/xine_lpcm_decoder.c
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Diffstat (limited to 'src/libxineadec/xine_lpcm_decoder.c')
-rw-r--r--src/libxineadec/xine_lpcm_decoder.c64
1 files changed, 32 insertions, 32 deletions
diff --git a/src/libxineadec/xine_lpcm_decoder.c b/src/libxineadec/xine_lpcm_decoder.c
index 435545d56..b7c0f8d1a 100644
--- a/src/libxineadec/xine_lpcm_decoder.c
+++ b/src/libxineadec/xine_lpcm_decoder.c
@@ -1,18 +1,18 @@
-/*
+/*
* Copyright (C) 2000-2003 the xine project
- *
+ *
* This file is part of xine, a free video player.
- *
+ *
* xine is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
+ *
* xine is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
+ *
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
@@ -58,10 +58,10 @@ typedef struct lpcm_decoder_s {
xine_stream_t *stream;
uint32_t rate;
- uint32_t bits_per_sample;
- uint32_t number_of_channels;
- uint32_t ao_cap_mode;
-
+ uint32_t bits_per_sample;
+ uint32_t number_of_channels;
+ uint32_t ao_cap_mode;
+
int output_open;
int cpu_be; /* TRUE, if we're a Big endian CPU */
} lpcm_decoder_t;
@@ -82,7 +82,7 @@ static void lpcm_decode_data (audio_decoder_t *this_gen, buf_element_t *buf) {
int stream_be;
audio_buffer_t *audio_buffer;
int format_changed = 0;
-
+
/* Drop preview data */
if (buf->decoder_flags & BUF_FLAG_PREVIEW)
return;
@@ -93,7 +93,7 @@ static void lpcm_decode_data (audio_decoder_t *this_gen, buf_element_t *buf) {
unsigned int bits_per_sample = 16;
unsigned int sample_rate = 0;
unsigned int num_channels;
-
+
num_channels = (buf->decoder_info[2] & 0x7) + 1;
switch ((buf->decoder_info[2]>>4) & 3) {
case 0: sample_rate = 48000; break;
@@ -106,7 +106,7 @@ static void lpcm_decode_data (audio_decoder_t *this_gen, buf_element_t *buf) {
case 1: bits_per_sample = 20; break;
case 2: bits_per_sample = 24; break;
}
-
+
if( this->bits_per_sample != bits_per_sample ||
this->number_of_channels != num_channels ||
this->rate != sample_rate ||
@@ -115,16 +115,16 @@ static void lpcm_decode_data (audio_decoder_t *this_gen, buf_element_t *buf) {
this->number_of_channels = num_channels;
this->rate = sample_rate;
format_changed++;
- }
+ }
}
-
+
if( buf->decoder_flags & BUF_FLAG_STDHEADER ) {
this->rate=buf->decoder_info[1];
- this->bits_per_sample=buf->decoder_info[2] ;
- this->number_of_channels=buf->decoder_info[3] ;
+ this->bits_per_sample=buf->decoder_info[2] ;
+ this->number_of_channels=buf->decoder_info[3] ;
format_changed++;
}
-
+
/*
* (re-)open output device
*/
@@ -148,11 +148,11 @@ static void lpcm_decode_data (audio_decoder_t *this_gen, buf_element_t *buf) {
/* stream/meta info */
_x_meta_info_set_utf8(this->stream, XINE_META_INFO_AUDIOCODEC, "Linear PCM");
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_BITRATE,
+ _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_BITRATE,
this->bits_per_sample * this->rate * this->number_of_channels);
}
- if (!this->output_open || (buf->decoder_flags & BUF_FLAG_HEADER) )
+ if (!this->output_open || (buf->decoder_flags & BUF_FLAG_HEADER) )
return;
audio_buffer = this->stream->audio_out->get_buffer (this->stream->audio_out);
@@ -160,7 +160,7 @@ static void lpcm_decode_data (audio_decoder_t *this_gen, buf_element_t *buf) {
/* Swap LPCM samples into native byte order, if necessary */
buf->type &= 0xffff0000;
stream_be = ( buf->type == BUF_AUDIO_LPCM_BE );
-
+
if( this->bits_per_sample == 16 ){
if (stream_be != this->cpu_be)
swab (sample_buffer, audio_buffer->mem, buf->size);
@@ -171,20 +171,20 @@ static void lpcm_decode_data (audio_decoder_t *this_gen, buf_element_t *buf) {
uint8_t *s = (uint8_t *)sample_buffer;
uint8_t *d = (uint8_t *)audio_buffer->mem;
int n = buf->size;
-
+
if (stream_be != this->cpu_be) {
while( n >= 0 ) {
swab( s, d, 8 );
s += 10;
d += 8;
- n -= 10;
+ n -= 10;
}
} else {
while( n >= 0 ) {
memcpy( d, s, 8 );
s += 10;
d += 8;
- n -= 10;
+ n -= 10;
}
}
} else if( this->bits_per_sample == 24 ) {
@@ -223,7 +223,7 @@ static void lpcm_decode_data (audio_decoder_t *this_gen, buf_element_t *buf) {
} else {
memcpy (audio_buffer->mem, sample_buffer, buf->size);
}
-
+
audio_buffer->vpts = buf->pts;
audio_buffer->num_frames = (((buf->size*8)/this->number_of_channels)/this->bits_per_sample);
@@ -232,9 +232,9 @@ static void lpcm_decode_data (audio_decoder_t *this_gen, buf_element_t *buf) {
}
static void lpcm_dispose (audio_decoder_t *this_gen) {
- lpcm_decoder_t *this = (lpcm_decoder_t *) this_gen;
+ lpcm_decoder_t *this = (lpcm_decoder_t *) this_gen;
- if (this->output_open)
+ if (this->output_open)
this->stream->audio_out->close (this->stream->audio_out, this->stream);
this->output_open = 0;
@@ -254,11 +254,11 @@ static audio_decoder_t *open_plugin (audio_decoder_class_t *class_gen, xine_stre
this->output_open = 0;
this->rate = 0;
- this->bits_per_sample=0;
- this->number_of_channels=0;
- this->ao_cap_mode=0;
+ this->bits_per_sample=0;
+ this->number_of_channels=0;
+ this->ao_cap_mode=0;
this->stream = stream;
-
+
this->cpu_be = ( htons(1) == 1 );
return &this->audio_decoder;
@@ -290,7 +290,7 @@ static void *init_plugin (xine_t *xine, void *data) {
return this;
}
-static uint32_t audio_types[] = {
+static uint32_t audio_types[] = {
BUF_AUDIO_LPCM_BE, BUF_AUDIO_LPCM_LE, 0
};
@@ -300,7 +300,7 @@ static const decoder_info_t dec_info_audio = {
};
const plugin_info_t xine_plugin_info[] EXPORTED = {
- /* type, API, "name", version, special_info, init_function */
+ /* type, API, "name", version, special_info, init_function */
{ PLUGIN_AUDIO_DECODER, 15, "pcm", XINE_VERSION_CODE, &dec_info_audio, init_plugin },
{ PLUGIN_NONE, 0, "", 0, NULL, NULL }
};
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-26 18:19:21 +0000