u8 pct;
if (pr) printk( "Pic header: ");
- pic->temporal_reference[field] = (( headr[0] << 2 ) |
+ pic->temporal_reference[field] = (( headr[0] << 2 ) |
(headr[1] & 0x03) )& 0x03ff;
if (pr) printk( " temp ref: 0x%04x", pic->temporal_reference[field]);
pct = ( headr[1] >> 2 ) & 0x07;
- pic->picture_coding_type[field] = pct;
+ pic->picture_coding_type[field] = pct;
if (pr) {
switch(pct){
case I_FRAME:
}
- pic->vinfo.vbv_delay = (( headr[1] >> 5 ) | ( headr[2] << 3) |
+ pic->vinfo.vbv_delay = (( headr[1] >> 5 ) | ( headr[2] << 3) |
( (headr[3] & 0x1F) << 11) ) & 0xffff;
if (pr) printk( " vbv delay: 0x%04x", pic->vinfo.vbv_delay);
- pic->picture_header_parameter = ( headr[3] & 0xe0 ) |
+ pic->picture_header_parameter = ( headr[3] & 0xe0 ) |
((headr[4] & 0x80) >> 3);
- if ( pct == B_FRAME ){
- pic->picture_header_parameter |= ( headr[4] >> 3 ) & 0x0f;
- }
+ if ( pct == B_FRAME ){
+ pic->picture_header_parameter |= ( headr[4] >> 3 ) & 0x0f;
+ }
if (pr) printk( " pic head param: 0x%x",
pic->picture_header_parameter);
((headr[0]<<4)& 0x30)| ((headr[1]>>4)& 0x0F),
((headr[1]<<3)& 0x38)| ((headr[2]>>5)& 0x0F));
- if ( ( headr[3] & 0x40 ) != 0 ){
- pic->closed_gop = 1;
- } else {
- pic->closed_gop = 0;
- }
+ if ( ( headr[3] & 0x40 ) != 0 ){
+ pic->closed_gop = 1;
+ } else {
+ pic->closed_gop = 0;
+ }
if (pr) printk("closed: %d", pic->closed_gop);
- if ( ( headr[3] & 0x20 ) != 0 ){
- pic->broken_link = 1;
- } else {
- pic->broken_link = 0;
- }
+ if ( ( headr[3] & 0x20 ) != 0 ){
+ pic->broken_link = 1;
+ } else {
+ pic->broken_link = 0;
+ }
if (pr) printk(" broken: %d\n", pic->broken_link);
return 0;
/* needs 8 byte input */
static int read_sequence_header(u8 *headr, struct dvb_video_info *vi, int pr)
{
- int sw;
+ int sw;
int form = -1;
if (pr) printk("Reading sequence header\n");
vi->horizontal_size = ((headr[1] &0xF0) >> 4) | (headr[0] << 4);
vi->vertical_size = ((headr[1] &0x0F) << 8) | (headr[2]);
- sw = (int)((headr[3]&0xF0) >> 4) ;
+ sw = (int)((headr[3]&0xF0) >> 4) ;
- switch( sw ){
+ switch( sw ){
case 1:
if (pr)
printk("Videostream: ASPECT: 1:1");
case 2:
if (pr)
printk("Videostream: ASPECT: 4:3");
- vi->aspect_ratio = 133;
+ vi->aspect_ratio = 133;
break;
case 3:
if (pr)
printk("Videostream: ASPECT: 16:9");
- vi->aspect_ratio = 177;
+ vi->aspect_ratio = 177;
break;
case 4:
if (pr)
printk("Videostream: ASPECT: 2.21:1");
- vi->aspect_ratio = 221;
+ vi->aspect_ratio = 221;
break;
- case 5 ... 15:
+ case 5 ... 15:
if (pr)
printk("Videostream: ASPECT: reserved");
- vi->aspect_ratio = 0;
+ vi->aspect_ratio = 0;
break;
- default:
- vi->aspect_ratio = 0;
- return -1;
+ default:
+ vi->aspect_ratio = 0;
+ return -1;
}
if (pr)
printk(" Size = %dx%d",vi->horizontal_size,vi->vertical_size);
- sw = (int)(headr[3]&0x0F);
+ sw = (int)(headr[3]&0x0F);
- switch ( sw ) {
+ switch ( sw ) {
case 1:
if (pr)
printk(" FRate: 23.976 fps");
- vi->framerate = 23976;
+ vi->framerate = 23976;
form = -1;
break;
case 2:
if (pr)
printk(" FRate: 24 fps");
- vi->framerate = 24000;
+ vi->framerate = 24000;
form = -1;
break;
case 3:
if (pr)
printk(" FRate: 25 fps");
- vi->framerate = 25000;
+ vi->framerate = 25000;
form = VIDEO_MODE_PAL;
break;
case 4:
if (pr)
printk(" FRate: 29.97 fps");
- vi->framerate = 29970;
+ vi->framerate = 29970;
form = VIDEO_MODE_NTSC;
break;
case 5:
if (pr)
printk(" FRate: 30 fps");
- vi->framerate = 30000;
+ vi->framerate = 30000;
form = VIDEO_MODE_NTSC;
break;
case 6:
if (pr)
printk(" FRate: 50 fps");
- vi->framerate = 50000;
+ vi->framerate = 50000;
form = VIDEO_MODE_PAL;
break;
case 7:
if (pr)
printk(" FRate: 60 fps");
- vi->framerate = 60000;
+ vi->framerate = 60000;
form = VIDEO_MODE_NTSC;
break;
}
vi->bit_rate = (headr[4] << 10) | (headr[5] << 2) | (headr[6] & 0x03);
- vi->vbv_buffer_size
- = (( headr[6] & 0xF8) >> 3 ) | (( headr[7] & 0x1F )<< 5);
+ vi->vbv_buffer_size
+ = (( headr[6] & 0xF8) >> 3 ) | (( headr[7] & 0x1F )<< 5);
if (pr){
printk(" BRate: %d Mbit/s",4*(vi->bit_rate)/10000);
printk("\n");
}
- vi->video_format = form;
+ vi->video_format = form;
return 0;
}
if (!found) return -1;
if (c+3 >= count) return -1;
- headr = mbuf+c;
+ headr = mbuf+c;
ai->layer = (headr[1] & 0x06) >> 1;
if (c+5 >= count) return -1;
ai->layer = 0; // 0 for AC3
- headr = mbuf+c+2;
+ headr = mbuf+c+2;
frame = (headr[2]&0x3f);
ai->bit_rate = ac3_bitrates[frame >> 1]*1000;
#if 0
static u8 *skip_pes_header(u8 **bufp)
{
- u8 *inbuf = *bufp;
- u8 *buf = inbuf;
- u8 *pts = NULL;
- int skip = 0;
+ u8 *inbuf = *bufp;
+ u8 *buf = inbuf;
+ u8 *pts = NULL;
+ int skip = 0;
static const int mpeg1_skip_table[16] = {
1, 0xffff, 5, 10, 0xffff, 0xffff, 0xffff, 0xffff,
- 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff
+ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff
};
- if ((inbuf[6] & 0xc0) == 0x80){ /* mpeg2 */
- if (buf[7] & PTS_ONLY)
- pts = buf+9;
- else pts = NULL;
- buf = inbuf + 9 + inbuf[8];
- } else { /* mpeg1 */
- for (buf = inbuf + 6; *buf == 0xff; buf++)
- if (buf == inbuf + 6 + 16) {
- break;
- }
- if ((*buf & 0xc0) == 0x40)
- buf += 2;
- skip = mpeg1_skip_table [*buf >> 4];
- if (skip == 5 || skip == 10) pts = buf;
- else pts = NULL;
-
- buf += mpeg1_skip_table [*buf >> 4];
- }
-
- *bufp = buf;
- return pts;
+ if ((inbuf[6] & 0xc0) == 0x80){ /* mpeg2 */
+ if (buf[7] & PTS_ONLY)
+ pts = buf+9;
+ else pts = NULL;
+ buf = inbuf + 9 + inbuf[8];
+ } else { /* mpeg1 */
+ for (buf = inbuf + 6; *buf == 0xff; buf++)
+ if (buf == inbuf + 6 + 16) {
+ break;
+ }
+ if ((*buf & 0xc0) == 0x40)
+ buf += 2;
+ skip = mpeg1_skip_table [*buf >> 4];
+ if (skip == 5 || skip == 10) pts = buf;
+ else pts = NULL;
+
+ buf += mpeg1_skip_table [*buf >> 4];
+ }
+
+ *bufp = buf;
+ return pts;
}
#endif
#if 0
static void initialize_quant_matrix( u32 *matrix )
{
- int i;
-
- matrix[0] = 0x08101013;
- matrix[1] = 0x10131616;
- matrix[2] = 0x16161616;
- matrix[3] = 0x1a181a1b;
- matrix[4] = 0x1b1b1a1a;
- matrix[5] = 0x1a1a1b1b;
- matrix[6] = 0x1b1d1d1d;
- matrix[7] = 0x2222221d;
- matrix[8] = 0x1d1d1b1b;
- matrix[9] = 0x1d1d2020;
- matrix[10] = 0x22222526;
- matrix[11] = 0x25232322;
- matrix[12] = 0x23262628;
- matrix[13] = 0x28283030;
- matrix[14] = 0x2e2e3838;
- matrix[15] = 0x3a454553;
-
- for ( i = 16 ; i < 32 ; i++ )
- matrix[i] = 0x10101010;
+ int i;
+
+ matrix[0] = 0x08101013;
+ matrix[1] = 0x10131616;
+ matrix[2] = 0x16161616;
+ matrix[3] = 0x1a181a1b;
+ matrix[4] = 0x1b1b1a1a;
+ matrix[5] = 0x1a1a1b1b;
+ matrix[6] = 0x1b1d1d1d;
+ matrix[7] = 0x2222221d;
+ matrix[8] = 0x1d1d1b1b;
+ matrix[9] = 0x1d1d2020;
+ matrix[10] = 0x22222526;
+ matrix[11] = 0x25232322;
+ matrix[12] = 0x23262628;
+ matrix[13] = 0x28283030;
+ matrix[14] = 0x2e2e3838;
+ matrix[15] = 0x3a454553;
+
+ for ( i = 16 ; i < 32 ; i++ )
+ matrix[i] = 0x10101010;
}
#endif
#if 0
static void initialize_mpg_picture(struct mpg_picture *pic)
{
- int i;
-
- /* set MPEG1 */
- pic->mpeg1_flag = 1;
- pic->profile_and_level = 0x4A ; /* MP@LL */
- pic->progressive_sequence = 1;
- pic->low_delay = 0;
-
- pic->sequence_display_extension_flag = 0;
- for ( i = 0 ; i < 4 ; i++ ){
- pic->frame_centre_horizontal_offset[i] = 0;
- pic->frame_centre_vertical_offset[i] = 0;
- }
- pic->last_frame_centre_horizontal_offset = 0;
- pic->last_frame_centre_vertical_offset = 0;
-
- pic->picture_display_extension_flag[0] = 0;
- pic->picture_display_extension_flag[1] = 0;
- pic->sequence_header_flag = 0;
+ int i;
+
+ /* set MPEG1 */
+ pic->mpeg1_flag = 1;
+ pic->profile_and_level = 0x4A ; /* MP@LL */
+ pic->progressive_sequence = 1;
+ pic->low_delay = 0;
+
+ pic->sequence_display_extension_flag = 0;
+ for ( i = 0 ; i < 4 ; i++ ){
+ pic->frame_centre_horizontal_offset[i] = 0;
+ pic->frame_centre_vertical_offset[i] = 0;
+ }
+ pic->last_frame_centre_horizontal_offset = 0;
+ pic->last_frame_centre_vertical_offset = 0;
+
+ pic->picture_display_extension_flag[0] = 0;
+ pic->picture_display_extension_flag[1] = 0;
+ pic->sequence_header_flag = 0;
pic->gop_flag = 0;
- pic->sequence_end_flag = 0;
+ pic->sequence_end_flag = 0;
}
#endif
#if 0
static void mpg_set_picture_parameter( int32_t field_type, struct mpg_picture *pic )
{
- int16_t last_h_offset;
- int16_t last_v_offset;
-
- int16_t *p_h_offset;
- int16_t *p_v_offset;
-
- if ( pic->mpeg1_flag ){
- pic->picture_structure[field_type] = VIDEO_FRAME_PICTURE;
- pic->top_field_first = 0;
- pic->repeat_first_field = 0;
- pic->progressive_frame = 1;
- pic->picture_coding_parameter = 0x000010;
- }
-
- /* Reset flag */
- pic->picture_display_extension_flag[field_type] = 0;
-
- last_h_offset = pic->last_frame_centre_horizontal_offset;
- last_v_offset = pic->last_frame_centre_vertical_offset;
- if ( field_type == FIRST_FIELD ){
- p_h_offset = pic->frame_centre_horizontal_offset;
- p_v_offset = pic->frame_centre_vertical_offset;
- *p_h_offset = last_h_offset;
- *(p_h_offset + 1) = last_h_offset;
- *(p_h_offset + 2) = last_h_offset;
- *p_v_offset = last_v_offset;
- *(p_v_offset + 1) = last_v_offset;
- *(p_v_offset + 2) = last_v_offset;
- } else {
- pic->frame_centre_horizontal_offset[3] = last_h_offset;
- pic->frame_centre_vertical_offset[3] = last_v_offset;
- }
+ int16_t last_h_offset;
+ int16_t last_v_offset;
+
+ int16_t *p_h_offset;
+ int16_t *p_v_offset;
+
+ if ( pic->mpeg1_flag ){
+ pic->picture_structure[field_type] = VIDEO_FRAME_PICTURE;
+ pic->top_field_first = 0;
+ pic->repeat_first_field = 0;
+ pic->progressive_frame = 1;
+ pic->picture_coding_parameter = 0x000010;
+ }
+
+ /* Reset flag */
+ pic->picture_display_extension_flag[field_type] = 0;
+
+ last_h_offset = pic->last_frame_centre_horizontal_offset;
+ last_v_offset = pic->last_frame_centre_vertical_offset;
+ if ( field_type == FIRST_FIELD ){
+ p_h_offset = pic->frame_centre_horizontal_offset;
+ p_v_offset = pic->frame_centre_vertical_offset;
+ *p_h_offset = last_h_offset;
+ *(p_h_offset + 1) = last_h_offset;
+ *(p_h_offset + 2) = last_h_offset;
+ *p_v_offset = last_v_offset;
+ *(p_v_offset + 1) = last_v_offset;
+ *(p_v_offset + 2) = last_v_offset;
+ } else {
+ pic->frame_centre_horizontal_offset[3] = last_h_offset;
+ pic->frame_centre_vertical_offset[3] = last_v_offset;
+ }
}
#endif
#if 0
static void init_mpg_picture( struct mpg_picture *pic, int chan, int32_t field_type)
{
- pic->picture_header = 0;
- pic->sequence_header_data
- = ( INIT_HORIZONTAL_SIZE << 20 )
- | ( INIT_VERTICAL_SIZE << 8 )
- | ( INIT_ASPECT_RATIO << 4 )
- | ( INIT_FRAME_RATE );
- pic->mpeg1_flag = 0;
- pic->vinfo.horizontal_size
- = INIT_DISP_HORIZONTAL_SIZE;
- pic->vinfo.vertical_size
- = INIT_DISP_VERTICAL_SIZE;
- pic->picture_display_extension_flag[field_type]
- = 0;
- pic->pts_flag[field_type] = 0;
-
- pic->sequence_gop_header = 0;
- pic->picture_header = 0;
- pic->sequence_header_flag = 0;
- pic->gop_flag = 0;
- pic->sequence_end_flag = 0;
- pic->sequence_display_extension_flag = 0;
- pic->last_frame_centre_horizontal_offset = 0;
- pic->last_frame_centre_vertical_offset = 0;
+ pic->picture_header = 0;
+ pic->sequence_header_data
+ = ( INIT_HORIZONTAL_SIZE << 20 )
+ | ( INIT_VERTICAL_SIZE << 8 )
+ | ( INIT_ASPECT_RATIO << 4 )
+ | ( INIT_FRAME_RATE );
+ pic->mpeg1_flag = 0;
+ pic->vinfo.horizontal_size
+ = INIT_DISP_HORIZONTAL_SIZE;
+ pic->vinfo.vertical_size
+ = INIT_DISP_VERTICAL_SIZE;
+ pic->picture_display_extension_flag[field_type]
+ = 0;
+ pic->pts_flag[field_type] = 0;
+
+ pic->sequence_gop_header = 0;
+ pic->picture_header = 0;
+ pic->sequence_header_flag = 0;
+ pic->gop_flag = 0;
+ pic->sequence_end_flag = 0;
+ pic->sequence_display_extension_flag = 0;
+ pic->last_frame_centre_horizontal_offset = 0;
+ pic->last_frame_centre_vertical_offset = 0;
pic->channel = chan;
}
#endif
buf[1]&=~0x40;
}
if (!len)
- return 0;
+ return 0;
buf[3]=0x30|((p2ts->cc++)&0x0f);
rest=183-len;
if (rest) {
- buf[5]=0x00;
+ buf[5]=0x00;
if (rest-1)
memset(buf+6, 0xff, rest-1);
}
git://git.onelab.eu / linux-2.6.git / blobdiff