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Diffstat (limited to 'src/dxr3/dxr3_decode_video.c')
-rw-r--r--src/dxr3/dxr3_decode_video.c287
1 files changed, 137 insertions, 150 deletions
diff --git a/src/dxr3/dxr3_decode_video.c b/src/dxr3/dxr3_decode_video.c
index 9364499dc..3a5cc002c 100644
--- a/src/dxr3/dxr3_decode_video.c
+++ b/src/dxr3/dxr3_decode_video.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: dxr3_decode_video.c,v 1.56 2004/07/11 11:47:10 hadess Exp $
+ * $Id: dxr3_decode_video.c,v 1.57 2004/07/20 16:37:44 mroi Exp $
*/
/* dxr3 video decoder plugin.
@@ -35,14 +35,18 @@
#include <fcntl.h>
#include <errno.h>
+#define LOG_MODULE "dxr3_decode_video"
+/* #define LOG_VERBOSE */
+/* #define LOG */
+
+#define LOG_VID 0
+#define LOG_PTS 0
+
#include "xine_internal.h"
#include "buffer.h"
#include "video_out_dxr3.h"
#include "dxr3.h"
-#define LOG_VID 0
-#define LOG_PTS 0
-
/* once activated, we wait for this amount of missing pan&scan info
* before disabling it again */
#define PAN_SCAN_WINDOW_SIZE 50
@@ -144,6 +148,10 @@ typedef struct dxr3_decoder_s {
} dxr3_decoder_t;
/* helper functions */
+static inline int dxr3_present(xine_stream_t *stream);
+static inline int dxr3_mvcommand(int fd_control, int command);
+static void parse_mpeg_header(dxr3_decoder_t *this, uint8_t *buffer);
+static int get_duration(dxr3_decoder_t *this);
static void frame_format_change(dxr3_decoder_t *this);
/* config callbacks */
@@ -152,6 +160,7 @@ static void dxr3_update_sync_mode(void *this_gen, xine_cfg_entry_t *entry);
static void dxr3_update_enhanced_mode(void *this_gen, xine_cfg_entry_t *entry);
static void dxr3_update_correct_durations(void *this_gen, xine_cfg_entry_t *entry);
+/* inline helper implementations */
static inline int dxr3_present(xine_stream_t *stream)
{
plugin_node_t *node;
@@ -166,9 +175,7 @@ static inline int dxr3_present(xine_stream_t *stream)
present = (strcmp(vo_class->get_identifier(vo_class), DXR3_VO_ID) == 0);
}
}
-#if LOG_VID
- printf("dxr3_decode_video: dxr3 %s\n", present ? "present" : "not present");
-#endif
+ llprintf(LOG_VID, "dxr3 %s\n", present ? "present" : "not present");
return present;
}
@@ -183,116 +190,6 @@ static inline int dxr3_mvcommand(int fd_control, int command)
return ioctl(fd_control, EM8300_IOCTL_WRITEREG, &reg);
}
-static inline void parse_mpeg_header(dxr3_decoder_t *this, uint8_t * buffer)
-{
- this->frame_rate_code = buffer[3] & 15;
- this->height = (buffer[0] << 16) |
- (buffer[1] << 8) |
- (buffer[2] << 0);
- this->width = ((this->height >> 12) + 15) & ~15;
- this->height = ((this->height & 0xfff) + 15) & ~15;
- this->aspect_code = buffer[3] >> 4;
-
- this->have_header_info = 1;
-
- if (this->force_aspect) this->aspect_code = this->force_aspect;
-
- /* when width, height or aspect changes,
- * we have to send an event for dxr3 spu decoder */
- if (!this->last_width || !this->last_height || !this->last_aspect_code ||
- (this->last_width != this->width) ||
- (this->last_height != this->height) ||
- (this->last_aspect_code != this->aspect_code)) {
- frame_format_change(this);
- this->last_width = this->width;
- this->last_height = this->height;
- this->last_aspect_code = this->aspect_code;
- }
-}
-
-static inline int get_duration(dxr3_decoder_t *this)
-{
- int duration;
-
- switch (this->frame_rate_code) {
- case 1: /* 23.976 */
- duration = 3754; /* actually it's 3753.75 */
- break;
- case 2: /* 24.000 */
- duration = 3750;
- break;
- case 3: /* 25.000 */
- duration = this->repeat_first_field ? 5400 : 3600;
- break;
- case 4: /* 29.970 */
- duration = this->repeat_first_field ? 4505 : 3003;
- break;
- case 5: /* 30.000 */
- duration = 3000;
- break;
- case 6: /* 50.000 */
- duration = 1800;
- break;
- case 7: /* 59.940 */
- duration = 1502; /* actually it's 1501.5 */
- break;
- case 8: /* 60.000 */
- duration = 1500;
- break;
- default:
- xprintf(this->stream->xine, XINE_VERBOSITY_LOG,
- _("dxr3_decode_video: WARNING: unknown frame rate code %d\n"), this->frame_rate_code);
- duration = 0;
- break;
- }
-
- /* update stream metadata */
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_FRAME_DURATION, duration);
-
- if (this->correct_durations && duration) {
- /* we set an initial average frame duration here */
- if (!this->avg_duration) this->avg_duration = duration;
-
- /* Apply a correction to the framerate-code if metronom
- * insists on a different frame duration.
- * The code below is for NTCS streams labeled as PAL streams.
- * (I have seen such things even on dvds!)
- */
- if (this->avg_duration && this->avg_duration < 3300 && duration == 3600) {
- if (this->force_duration_window > 0) {
- /* we are already in a force_duration window, so we force duration */
- this->force_duration_window = FORCE_DURATION_WINDOW_SIZE;
- return 3000;
- }
- if (this->force_duration_window <= 0 && (this->force_duration_window += 10) > 0) {
- /* we just entered a force_duration window, so we start the correction */
- metronom_t *metronom = this->stream->metronom;
- int64_t cur_offset;
- xprintf(this->stream->xine, XINE_VERBOSITY_LOG,
- _("dxr3_decode_video: WARNING: correcting frame rate code from PAL to NTSC\n"));
- /* those weird streams need an offset, too */
- cur_offset = metronom->get_option(metronom, METRONOM_AV_OFFSET);
- metronom->set_option(metronom, METRONOM_AV_OFFSET, cur_offset - 28800);
- this->force_duration_window = FORCE_DURATION_WINDOW_SIZE;
- return 3000;
- }
- }
-
- if (this->force_duration_window == -FORCE_DURATION_WINDOW_SIZE)
- /* we are far from a force_duration window */
- return duration;
- if (--this->force_duration_window == 0) {
- /* we have just left a force_duration window */
- metronom_t *metronom = this->stream->metronom;
- int64_t cur_offset;
- cur_offset = metronom->get_option(metronom, METRONOM_AV_OFFSET);
- metronom->set_option(metronom, METRONOM_AV_OFFSET, cur_offset + 28800);
- this->force_duration_window = -FORCE_DURATION_WINDOW_SIZE;
- }
- }
-
- return duration;
-}
static void *dxr3_init_plugin(xine_t *xine, void *data)
{
@@ -343,9 +240,7 @@ static video_decoder_t *dxr3_open_plugin(video_decoder_class_t *class_gen, xine_
this->devnum = cfg->register_num(cfg, CONF_KEY, 0, CONF_NAME, CONF_HELP, 10, NULL, NULL);
snprintf(tmpstr, sizeof(tmpstr), "/dev/em8300-%d", this->devnum);
-#if LOG_VID
- printf("dxr3_decode_video: Entering video init, devname=%s.\n",tmpstr);
-#endif
+ llprintf(LOG_VID, "Entering video init, devname=%s.\n",tmpstr);
/* open later, because dxr3_video_out might have it open until we request a frame */
this->fd_video = -1;
@@ -515,10 +410,7 @@ static void dxr3_decode_data(video_decoder_t *this_gen, buf_element_t *buf)
if (this->repeat_first_field && this->sync_retry) /* reset counter */
this->sync_retry = 500;
if (this->repeat_first_field && this->sync_every_frame) {
-#if LOG_VID
- printf("dxr3: non-progressive video detected. "
- "disabling sync_every_frame.\n");
-#endif
+ llprintf(LOG_VID, "non-progressive video detected. disabling sync_every_frame.\n");
this->sync_every_frame = 0;
this->sync_retry = 500; /* see you later */
}
@@ -573,9 +465,7 @@ static void dxr3_decode_data(video_decoder_t *this_gen, buf_element_t *buf)
if (this->correct_durations) {
/* calculate an average frame duration from metronom's vpts values */
this->avg_duration = this->avg_duration * 0.9 + (vpts - this->last_vpts) * 0.1;
-#if LOG_PTS
- printf("dxr3_decode_video: average frame duration %d\n", this->avg_duration);
-#endif
+ llprintf(LOG_PTS, "average frame duration %d\n", this->avg_duration);
}
if (this->skip_count) this->skip_count--;
@@ -583,9 +473,7 @@ static void dxr3_decode_data(video_decoder_t *this_gen, buf_element_t *buf)
if (this->resync_window == 0 && this->scr && this->enhanced_mode &&
!this->scr->scanning) {
/* we are in sync, so we can lock the stream now */
-#if LOG_VID
- printf("dxr3_decode_video: in sync, stream locked\n");
-#endif
+ llprintf(LOG_VID, "in sync, stream locked\n");
dxr3_mvcommand(this->fd_control, MVCOMMAND_SYNC);
this->resync_window = -RESYNC_WINDOW_SIZE;
pthread_mutex_lock(&this->scr->mutex);
@@ -595,9 +483,7 @@ static void dxr3_decode_data(video_decoder_t *this_gen, buf_element_t *buf)
if (this->resync_window != 0 && this->resync_window > -RESYNC_WINDOW_SIZE)
this->resync_window--;
} else { /* metronom says skip, so don't set vpts */
-#if LOG_VID
- printf("dxr3_decode_video: %d frames to skip\n", skip);
-#endif
+ llprintf(LOG_VID, "%d frames to skip\n", skip);
vpts = 0;
this->avg_duration = 0;
@@ -617,9 +503,7 @@ static void dxr3_decode_data(video_decoder_t *this_gen, buf_element_t *buf)
if (this->resync_window == 0 && this->scr && this->enhanced_mode &&
!this->scr->scanning) {
/* switch off sync mode in the card to allow resyncing */
-#if LOG_VID
- printf("dxr3_decode_video: out of sync, allowing stream resync\n");
-#endif
+ llprintf(LOG_VID, "out of sync, allowing stream resync\n");
dxr3_mvcommand(this->fd_control, MVCOMMAND_START);
this->resync_window = RESYNC_WINDOW_SIZE;
pthread_mutex_lock(&this->scr->mutex);
@@ -639,9 +523,7 @@ static void dxr3_decode_data(video_decoder_t *this_gen, buf_element_t *buf)
*/
if (this->sync_retry) {
if (!--this->sync_retry) {
-#if LOG_VID
- printf("dxr3_decode_video: retrying sync_every_frame");
-#endif
+ llprintf(LOG_VID, "retrying sync_every_frame");
this->sync_every_frame = 1;
}
}
@@ -695,17 +577,13 @@ static void dxr3_decode_data(video_decoder_t *this_gen, buf_element_t *buf)
this->dts_offset[1] = this->dts_offset[0];
this->dts_offset[0] = buf->decoder_info[0];
}
-#if LOG_PTS
- printf("dxr3_decode_video: PTS to DTS correction: %d\n", this->dts_offset[1]);
-#endif
+ llprintf(LOG_PTS, "PTS to DTS correction: %d\n", this->dts_offset[1]);
}
vpts -= this->dts_offset[2];
delay = vpts - this->class->clock->get_current_time(
this->class->clock);
-#if LOG_PTS
- printf("dxr3_decode_video: SETPTS got %lld\n", vpts);
-#endif
+ llprintf(LOG_PTS, "SETPTS got %lld\n", vpts);
/* SETPTS only if less then one second in the future and
* either buffer has pts or sync_every_frame is set */
if ((delay > 0) && (delay < 90000) &&
@@ -724,11 +602,8 @@ static void dxr3_decode_data(video_decoder_t *this_gen, buf_element_t *buf)
if (delay < 0)
xprintf(this->stream->xine, XINE_VERBOSITY_DEBUG, "dxr3_decode_video: WARNING: overdue frame.\n");
}
-#if LOG_PTS
- else if (buf->pts) {
- printf("dxr3_decode_video: skip buf->pts = %lld (no vpts)\n", buf->pts);
- }
-#endif
+ else if (buf->pts)
+ llprintf(LOG_PTS, "skip buf->pts = %lld (no vpts)\n", buf->pts);
/* now write the content to the dxr3 mpeg device and, in a dramatic
* break with open source tradition, check the return value
@@ -797,6 +672,118 @@ static void dxr3_dispose(video_decoder_t *this_gen)
free(this);
}
+
+static void parse_mpeg_header(dxr3_decoder_t *this, uint8_t * buffer)
+{
+ this->frame_rate_code = buffer[3] & 15;
+ this->height = (buffer[0] << 16) |
+ (buffer[1] << 8) |
+ (buffer[2] << 0);
+ this->width = ((this->height >> 12) + 15) & ~15;
+ this->height = ((this->height & 0xfff) + 15) & ~15;
+ this->aspect_code = buffer[3] >> 4;
+
+ this->have_header_info = 1;
+
+ if (this->force_aspect) this->aspect_code = this->force_aspect;
+
+ /* when width, height or aspect changes,
+ * we have to send an event for dxr3 spu decoder */
+ if (!this->last_width || !this->last_height || !this->last_aspect_code ||
+ (this->last_width != this->width) ||
+ (this->last_height != this->height) ||
+ (this->last_aspect_code != this->aspect_code)) {
+ frame_format_change(this);
+ this->last_width = this->width;
+ this->last_height = this->height;
+ this->last_aspect_code = this->aspect_code;
+ }
+}
+
+static int get_duration(dxr3_decoder_t *this)
+{
+ int duration;
+
+ switch (this->frame_rate_code) {
+ case 1: /* 23.976 */
+ duration = 3754; /* actually it's 3753.75 */
+ break;
+ case 2: /* 24.000 */
+ duration = 3750;
+ break;
+ case 3: /* 25.000 */
+ duration = this->repeat_first_field ? 5400 : 3600;
+ break;
+ case 4: /* 29.970 */
+ duration = this->repeat_first_field ? 4505 : 3003;
+ break;
+ case 5: /* 30.000 */
+ duration = 3000;
+ break;
+ case 6: /* 50.000 */
+ duration = 1800;
+ break;
+ case 7: /* 59.940 */
+ duration = 1502; /* actually it's 1501.5 */
+ break;
+ case 8: /* 60.000 */
+ duration = 1500;
+ break;
+ default:
+ xprintf(this->stream->xine, XINE_VERBOSITY_LOG,
+ _("dxr3_decode_video: WARNING: unknown frame rate code %d\n"), this->frame_rate_code);
+ duration = 0;
+ break;
+ }
+
+ /* update stream metadata */
+ _x_stream_info_set(this->stream, XINE_STREAM_INFO_FRAME_DURATION, duration);
+
+ if (this->correct_durations && duration) {
+ /* we set an initial average frame duration here */
+ if (!this->avg_duration) this->avg_duration = duration;
+
+ /* Apply a correction to the framerate-code if metronom
+ * insists on a different frame duration.
+ * The code below is for NTCS streams labeled as PAL streams.
+ * (I have seen such things even on dvds!)
+ */
+ if (this->avg_duration && this->avg_duration < 3300 && duration == 3600) {
+ if (this->force_duration_window > 0) {
+ /* we are already in a force_duration window, so we force duration */
+ this->force_duration_window = FORCE_DURATION_WINDOW_SIZE;
+ return 3000;
+ }
+ if (this->force_duration_window <= 0 && (this->force_duration_window += 10) > 0) {
+ /* we just entered a force_duration window, so we start the correction */
+ metronom_t *metronom = this->stream->metronom;
+ int64_t cur_offset;
+ xprintf(this->stream->xine, XINE_VERBOSITY_LOG,
+ _("dxr3_decode_video: WARNING: correcting frame rate code from PAL to NTSC\n"));
+ /* those weird streams need an offset, too */
+ cur_offset = metronom->get_option(metronom, METRONOM_AV_OFFSET);
+ metronom->set_option(metronom, METRONOM_AV_OFFSET, cur_offset - 28800);
+ this->force_duration_window = FORCE_DURATION_WINDOW_SIZE;
+ return 3000;
+ }
+ }
+
+ if (this->force_duration_window == -FORCE_DURATION_WINDOW_SIZE)
+ /* we are far from a force_duration window */
+ return duration;
+ if (--this->force_duration_window == 0) {
+ /* we have just left a force_duration window */
+ metronom_t *metronom = this->stream->metronom;
+ int64_t cur_offset;
+ cur_offset = metronom->get_option(metronom, METRONOM_AV_OFFSET);
+ metronom->set_option(metronom, METRONOM_AV_OFFSET, cur_offset + 28800);
+ this->force_duration_window = -FORCE_DURATION_WINDOW_SIZE;
+ }
+ }
+
+ return duration;
+}
+
static void frame_format_change(dxr3_decoder_t *this)
{
/* inform the dxr3 SPU decoder about the current format,
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-10 14:06:14 +0000