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Diffstat (limited to 'src/demuxers/demux_mpeg_block.c')
-rw-r--r--src/demuxers/demux_mpeg_block.c94
1 files changed, 47 insertions, 47 deletions
diff --git a/src/demuxers/demux_mpeg_block.c b/src/demuxers/demux_mpeg_block.c
index 90b58bead..3104335dc 100644
--- a/src/demuxers/demux_mpeg_block.c
+++ b/src/demuxers/demux_mpeg_block.c
@@ -17,7 +17,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*
- * $Id: demux_mpeg_block.c,v 1.83 2002/03/24 19:23:47 jcdutton Exp $
+ * $Id: demux_mpeg_block.c,v 1.84 2002/03/31 20:38:40 jcdutton Exp $
*
* demultiplexer for mpeg 1/2 program streams
*
@@ -85,7 +85,7 @@ static void demux_mpeg_block_parse_pack (demux_mpeg_block_t *this, int preview_m
uint8_t *p;
int bMpeg1=0;
uint32_t header_len;
- int64_t PTS;
+ int64_t pts;
uint32_t packet_len;
uint32_t stream_id;
int64_t scr = this->last_scr;
@@ -395,21 +395,21 @@ static void demux_mpeg_block_parse_pack (demux_mpeg_block_t *this, int preview_m
packet_len -=2;
}
- PTS = 0;
+ pts = 0;
if ((p[0] & 0xf0) == 0x20) {
- PTS = (p[ 0] & 0x0E) << 29 ;
- PTS |= p[ 1] << 22 ;
- PTS |= (p[ 2] & 0xFE) << 14 ;
- PTS |= p[ 3] << 7 ;
- PTS |= (p[ 4] & 0xFE) >> 1 ;
+ pts = (p[ 0] & 0x0E) << 29 ;
+ pts |= p[ 1] << 22 ;
+ pts |= (p[ 2] & 0xFE) << 14 ;
+ pts |= p[ 3] << 7 ;
+ pts |= (p[ 4] & 0xFE) >> 1 ;
p += 5;
packet_len -=5;
} else if ((p[0] & 0xf0) == 0x30) {
- PTS = (p[ 0] & 0x0E) << 29 ;
- PTS |= p[ 1] << 22 ;
- PTS |= (p[ 2] & 0xFE) << 14 ;
- PTS |= p[ 3] << 7 ;
- PTS |= (p[ 4] & 0xFE) >> 1 ;
+ pts = (p[ 0] & 0x0E) << 29 ;
+ pts |= p[ 1] << 22 ;
+ pts |= (p[ 2] & 0xFE) << 14 ;
+ pts |= p[ 3] << 7 ;
+ pts |= (p[ 4] & 0xFE) >> 1 ;
/* DTS decoding code is working, but not used in xine
DTS = (p[ 5] & 0x0E) << 29 ;
DTS |= p[ 6] << 22 ;
@@ -434,20 +434,20 @@ static void demux_mpeg_block_parse_pack (demux_mpeg_block_t *this, int preview_m
this->warned = 1;
}
- if (p[7] & 0x80) { /* PTS avail */
+ if (p[7] & 0x80) { /* pts avail */
- PTS = (p[ 9] & 0x0E) << 29 ;
- PTS |= p[10] << 22 ;
- PTS |= (p[11] & 0xFE) << 14 ;
- PTS |= p[12] << 7 ;
- PTS |= (p[13] & 0xFE) >> 1 ;
+ pts = (p[ 9] & 0x0E) << 29 ;
+ pts |= p[10] << 22 ;
+ pts |= (p[11] & 0xFE) << 14 ;
+ pts |= p[12] << 7 ;
+ pts |= (p[13] & 0xFE) >> 1 ;
#ifdef LOG
- printf ("demux_mpeg_block: pts = %lld\n", PTS);
+ printf ("demux_mpeg_block: pts = %lld\n", pts);
#endif
} else
- PTS = 0;
+ pts = 0;
/* code is working but not used in xine
if (p[7] & 0x40) {
@@ -481,7 +481,7 @@ static void demux_mpeg_block_parse_pack (demux_mpeg_block_t *this, int preview_m
buf->content = p+1;
buf->size = packet_len-1;
buf->type = BUF_SPU_PACKAGE + spu_id;
- buf->pts = PTS;
+ buf->pts = pts;
buf->input_pos = this->input->get_current_pos(this->input);
this->video_fifo->put (this->video_fifo, buf);
@@ -502,7 +502,7 @@ static void demux_mpeg_block_parse_pack (demux_mpeg_block_t *this, int preview_m
} else {
buf->type = BUF_AUDIO_A52 + track;
}
- buf->pts = PTS;
+ buf->pts = pts;
buf->input_pos = this->input->get_current_pos(this->input);
@@ -562,7 +562,7 @@ static void demux_mpeg_block_parse_pack (demux_mpeg_block_t *this, int preview_m
buf->content = p+pcm_offset;
buf->size = packet_len-pcm_offset;
buf->type = BUF_AUDIO_LPCM_BE + track;
- buf->pts = PTS;
+ buf->pts = pts;
buf->input_pos = this->input->get_current_pos(this->input);
@@ -579,7 +579,7 @@ static void demux_mpeg_block_parse_pack (demux_mpeg_block_t *this, int preview_m
buf->content = p;
buf->size = packet_len;
buf->type = BUF_VIDEO_MPEG;
- buf->pts = PTS;
+ buf->pts = pts;
buf->input_pos = this->input->get_current_pos(this->input);
@@ -595,7 +595,7 @@ static void demux_mpeg_block_parse_pack (demux_mpeg_block_t *this, int preview_m
buf->content = p;
buf->size = packet_len;
buf->type = BUF_AUDIO_MPEG + track;
- buf->pts = PTS;
+ buf->pts = pts;
buf->input_pos = this->input->get_current_pos(this->input);
@@ -664,7 +664,7 @@ static int demux_mpeg_block_estimate_rate (demux_mpeg_block_t *this) {
int is_mpeg1=0;
off_t pos, last_pos;
off_t step;
- int64_t PTS, last_PTS;
+ int64_t pts, last_pts;
int rate;
int count;
int stream_id;
@@ -674,7 +674,7 @@ static int demux_mpeg_block_estimate_rate (demux_mpeg_block_t *this) {
return 0;
last_pos = 0;
- last_PTS = 0;
+ last_pts = 0;
rate = 0;
step = this->input->get_length (this->input) / 10;
step = (step / this->blocksize) * this->blocksize;
@@ -711,7 +711,7 @@ static int demux_mpeg_block_estimate_rate (demux_mpeg_block_t *this) {
}
stream_id = p[3];
- PTS = 0;
+ pts = 0;
if ((stream_id < 0xbc) || ((stream_id & 0xf0) != 0xe0)) {
pos += (off_t) this->blocksize;
@@ -735,47 +735,47 @@ static int demux_mpeg_block_estimate_rate (demux_mpeg_block_t *this) {
}
if ( ((p[0] & 0xf0) == 0x20) || ((p[0] & 0xf0) == 0x30) ) {
- PTS = (p[ 0] & 0x0E) << 29 ;
- PTS |= p[ 1] << 22 ;
- PTS |= (p[ 2] & 0xFE) << 14 ;
- PTS |= p[ 3] << 7 ;
- PTS |= (p[ 4] & 0xFE) >> 1 ;
+ pts = (p[ 0] & 0x0E) << 29 ;
+ pts |= p[ 1] << 22 ;
+ pts |= (p[ 2] & 0xFE) << 14 ;
+ pts |= p[ 3] << 7 ;
+ pts |= (p[ 4] & 0xFE) >> 1 ;
}
}
} else { /* mpeg 2 */
- if (p[7] & 0x80) { /* PTS avail */
+ if (p[7] & 0x80) { /* pts avail */
- PTS = (p[ 9] & 0x0E) << 29 ;
- PTS |= p[10] << 22 ;
- PTS |= (p[11] & 0xFE) << 14 ;
- PTS |= p[12] << 7 ;
- PTS |= (p[13] & 0xFE) >> 1 ;
+ pts = (p[ 9] & 0x0E) << 29 ;
+ pts |= p[10] << 22 ;
+ pts |= (p[11] & 0xFE) << 14 ;
+ pts |= p[12] << 7 ;
+ pts |= (p[13] & 0xFE) >> 1 ;
} else
- PTS = 0;
+ pts = 0;
}
- if (PTS) {
+ if (pts) {
- if ( (pos>last_pos) && (PTS>last_PTS) ) {
+ if ( (pos>last_pos) && (pts>last_pts) ) {
int cur_rate;
- cur_rate = ((pos - last_pos)*90000) / ((PTS - last_PTS) * 50);
+ cur_rate = ((pos - last_pos)*90000) / ((pts - last_pts) * 50);
rate = (count * rate + cur_rate) / (count+1);
count ++;
/*
- printf ("demux_mpeg_block: stream_id %02x, pos: %lld, PTS: %d, cur_rate = %d, overall rate : %d\n",
- stream_id, pos, PTS, cur_rate, rate);
+ printf ("demux_mpeg_block: stream_id %02x, pos: %lld, pts: %d, cur_rate = %d, overall rate : %d\n",
+ stream_id, pos, pts, cur_rate, rate);
*/
}
last_pos = pos;
- last_PTS = PTS;
+ last_pts = pts;
pos += step;
} else
pos += (off_t) this->blocksize;
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-18 00:40:13 +0000