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Diffstat (limited to 'src/dxr3/dxr3_decode_video.c')
-rw-r--r--src/dxr3/dxr3_decode_video.c290
1 files changed, 142 insertions, 148 deletions
diff --git a/src/dxr3/dxr3_decode_video.c b/src/dxr3/dxr3_decode_video.c
index d747ec377..9364499dc 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 1.55 2004/06/13 16:00:17 mroi Exp $
+ * $Id: dxr3_decode_video.c,v 1.56 2004/07/11 11:47:10 hadess Exp $
*/
/* dxr3 video decoder plugin.
@@ -144,10 +144,6 @@ 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 inline void parse_mpeg_header(dxr3_decoder_t *this, uint8_t *buffer);
-static inline int get_duration(dxr3_decoder_t *this);
static void frame_format_change(dxr3_decoder_t *this);
/* config callbacks */
@@ -156,6 +152,147 @@ 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);
+static inline int dxr3_present(xine_stream_t *stream)
+{
+ plugin_node_t *node;
+ video_driver_class_t *vo_class;
+ int present = 0;
+
+ if (stream->video_driver && stream->video_driver->node) {
+ node = (plugin_node_t *)stream->video_driver->node;
+ if (node->plugin_class) {
+ vo_class = (video_driver_class_t *)node->plugin_class;
+ if (vo_class->get_identifier)
+ 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
+ return present;
+}
+
+static inline int dxr3_mvcommand(int fd_control, int command)
+{
+ em8300_register_t reg;
+
+ reg.microcode_register = 1;
+ reg.reg = 0;
+ reg.val = 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)
{
@@ -660,149 +797,6 @@ static void dxr3_dispose(video_decoder_t *this_gen)
free(this);
}
-
-static inline int dxr3_present(xine_stream_t *stream)
-{
- plugin_node_t *node;
- video_driver_class_t *vo_class;
- int present = 0;
-
- if (stream->video_driver && stream->video_driver->node) {
- node = (plugin_node_t *)stream->video_driver->node;
- if (node->plugin_class) {
- vo_class = (video_driver_class_t *)node->plugin_class;
- if (vo_class->get_identifier)
- 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
- return present;
-}
-
-static inline int dxr3_mvcommand(int fd_control, int command)
-{
- em8300_register_t reg;
-
- reg.microcode_register = 1;
- reg.reg = 0;
- reg.val = 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 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 2025-05-01 11:54:32 +0000