GST_DEBUG_CATEGORY_STATIC (subparse_debug);
#define GST_CAT_DEFAULT subparse_debug
-/* format enum */
-typedef enum
-{
- GST_SUB_PARSE_FORMAT_UNKNOWN = 0,
- GST_SUB_PARSE_FORMAT_MDVDSUB = 1,
- GST_SUB_PARSE_FORMAT_SUBRIP = 2,
- GST_SUB_PARSE_FORMAT_MPSUB = 3
-} GstSubParseFormat;
-
static GstStaticPadTemplate sink_templ = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
static void gst_subparse_init (GstSubparse * subparse);
static const GstFormat *gst_subparse_formats (GstPad * pad);
-static const GstEventMask *gst_subparse_eventmask (GstPad * pad);
-static gboolean gst_subparse_event (GstPad * pad, GstEvent * event);
+static const GstEventMask *gst_subparse_src_eventmask (GstPad * pad);
+static gboolean gst_subparse_src_event (GstPad * pad, GstEvent * event);
static GstElementStateReturn gst_subparse_change_state (GstElement * element);
-static void gst_subparse_loop (GstElement * element);
+
+#if 0
+static void gst_subparse_loop (GstPad * sinkpad);
+#endif
+static GstFlowReturn gst_subparse_chain (GstPad * sinkpad, GstBuffer * buf);
#if 0
static GstCaps *gst_subparse_type_find (GstBuffer * buf, gpointer private);
subparse->sinkpad =
gst_pad_new_from_template (gst_static_pad_template_get (&sink_templ),
"sink");
+ gst_pad_set_chain_function (subparse->sinkpad, gst_subparse_chain);
gst_element_add_pad (GST_ELEMENT (subparse), subparse->sinkpad);
subparse->srcpad =
gst_pad_new_from_template (gst_static_pad_template_get (&src_templ),
"src");
- gst_pad_use_explicit_caps (subparse->srcpad);
gst_pad_set_formats_function (subparse->srcpad, gst_subparse_formats);
- gst_pad_set_event_function (subparse->srcpad, gst_subparse_event);
- gst_pad_set_event_mask_function (subparse->srcpad, gst_subparse_eventmask);
+ gst_pad_set_event_function (subparse->srcpad, gst_subparse_src_event);
+ gst_pad_set_event_mask_function (subparse->srcpad,
+ gst_subparse_src_eventmask);
gst_element_add_pad (GST_ELEMENT (subparse), subparse->srcpad);
- gst_element_set_loop_function (GST_ELEMENT (subparse), gst_subparse_loop);
-
subparse->textbuf = g_string_new (NULL);
- subparse->parser.type = GST_SUB_PARSE_FORMAT_UNKNOWN;
- subparse->parser_detected = FALSE;
- subparse->seek_time = GST_CLOCK_TIME_NONE;
- subparse->flush = FALSE;
+ subparse->parser_type = GST_SUB_PARSE_FORMAT_UNKNOWN;
}
/*
}
static const GstEventMask *
-gst_subparse_eventmask (GstPad * pad)
+gst_subparse_src_eventmask (GstPad * pad)
{
static const GstEventMask masks[] = {
{GST_EVENT_SEEK, GST_SEEK_METHOD_SET},
}
static gboolean
-gst_subparse_event (GstPad * pad, GstEvent * event)
+gst_subparse_src_event (GstPad * pad, GstEvent * event)
{
GstSubparse *self = GST_SUBPARSE (gst_pad_get_parent (pad));
- gboolean res = FALSE;
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_SEEK:
- if (!(GST_EVENT_SEEK_FORMAT (event) == GST_FORMAT_TIME &&
- GST_EVENT_SEEK_METHOD (event) == GST_SEEK_METHOD_SET))
- break;
- self->seek_time = GST_EVENT_SEEK_OFFSET (event);
- res = TRUE;
- break;
- default:
- break;
- }
- gst_event_unref (event);
+#define grvif(x,y) g_return_val_if_fail (x, y)
- return res;
-}
+ /* we guaranteed these with the eventmask */
+ grvif (GST_EVENT_TYPE (event) == GST_EVENT_SEEK, FALSE);
+ grvif (GST_EVENT_SEEK_FORMAT (event) == GST_FORMAT_TIME, FALSE);
+ grvif (GST_EVENT_SEEK_METHOD (event) == GST_SEEK_METHOD_SET, FALSE);
-/*
- * TRUE = continue, FALSE = stop.
- */
+ gst_event_unref (event);
-static gboolean
-gst_subparse_handle_event (GstSubparse * self, GstEvent * event)
-{
- gboolean res = TRUE;
+ GST_STREAM_LOCK (self->sinkpad);
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_INTERRUPT:
- gst_event_unref (event);
- res = FALSE;
- break;
- case GST_EVENT_EOS:
- res = FALSE;
- /* fall-through */
- default:
- gst_pad_event_default (self->sinkpad, event);
- break;
- }
+ /* just seek to 0, rely on the overlayer to throw away buffers until the right
+ time -- and his mother cried... */
+ self->next_offset = 0;
+
+ GST_STREAM_UNLOCK (self->sinkpad);
- return res;
+ return TRUE;
}
static gchar *
static gchar *
get_next_line (GstSubparse * self)
{
- GstBuffer *buf;
+ char *line = NULL;
const char *line_end;
int line_len;
gboolean have_r = FALSE;
- gchar *line;
- if ((line_end = strchr (self->textbuf->str, '\n')) == NULL) {
- /* end-of-line not found; try to get more data */
- buf = NULL;
- do {
- GstData *data = gst_pad_pull (self->sinkpad);
+ line_end = strchr (self->textbuf->str, '\n');
- if (GST_IS_EVENT (data)) {
- if (!gst_subparse_handle_event (self, GST_EVENT (data)))
- return NULL;
- } else {
- buf = GST_BUFFER (data);
- }
- } while (!buf);
- self->textbuf = g_string_append_len (self->textbuf,
- GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf));
- gst_buffer_unref (buf);
- /* search for end-of-line again */
- line_end = strchr (self->textbuf->str, '\n');
+ if (!line_end) {
+ /* end-of-line not found; return for more data */
+ return NULL;
}
+
/* get rid of '\r' */
- if ((int) (line_end - self->textbuf->str) > 0 &&
- self->textbuf->str[(int) (line_end - self->textbuf->str) - 1] == '\r') {
+ if (line_end != self->textbuf->str && *(line_end - 1) == '\r') {
line_end--;
have_r = TRUE;
}
- if (line_end) {
- line_len = line_end - self->textbuf->str;
- line = convert_encoding (self, self->textbuf->str, line_len);
- self->textbuf = g_string_erase (self->textbuf, 0,
- line_len + (have_r ? 2 : 1));
- return line;
- }
- return NULL;
+ line_len = line_end - self->textbuf->str;
+ line = convert_encoding (self, self->textbuf->str, line_len);
+ self->textbuf = g_string_erase (self->textbuf, 0,
+ line_len + (have_r ? 2 : 1));
+ return line;
}
static gchar *
-parse_mdvdsub (GstSubparse * self, guint64 * out_start_time,
- guint64 * out_end_time, gboolean after_seek)
+parse_mdvdsub (ParserState * state, const gchar * line)
{
- gchar *line, *line_start, *line_split, *line_chunk;
+ const gchar *line_split;
+ gchar *line_chunk;
guint start_frame, end_frame;
/* FIXME: hardcoded for now, but detecting the correct value is
* not going to be easy, I suspect... */
const double frames_per_sec = 24000 / 1001.;
GString *markup;
- gchar *rv;
+ gchar *ret;
/* style variables */
gboolean italic;
gboolean bold;
guint fontsize;
- line = line_start = get_next_line (self);
- if (!line)
- return NULL;
-
if (sscanf (line, "{%u}{%u}", &start_frame, &end_frame) != 2) {
g_warning ("Parse of the following line, assumed to be in microdvd .sub"
" format, failed:\n%s", line);
- g_free (line_start);
return NULL;
}
- *out_start_time = (start_frame - 1000) / frames_per_sec * GST_SECOND;
- *out_end_time = (end_frame - 1000) / frames_per_sec * GST_SECOND;
+
+ state->start_time = (start_frame - 1000) / frames_per_sec * GST_SECOND;
+ state->duration = (end_frame - start_frame) / frames_per_sec * GST_SECOND;
+
/* skip the {%u}{%u} part */
line = strchr (line, '}') + 1;
line = strchr (line, '}') + 1;
if (line_split) {
g_string_append (markup, "\n");
line = line_split + 1;
- } else
+ } else {
break;
+ }
}
- rv = markup->str;
+ ret = markup->str;
g_string_free (markup, FALSE);
- g_free (line_start);
- GST_DEBUG ("parse_mdvdsub returning (start=%f, end=%f): %s",
- *out_start_time / (double) GST_SECOND,
- *out_end_time / (double) GST_SECOND, rv);
- return rv;
-}
-
-static void
-parse_mdvdsub_init (GstSubparse * self)
-{
- self->parser.deinit = NULL;
- self->parser.parse = parse_mdvdsub;
+ GST_DEBUG ("parse_mdvdsub returning (%f+%f): %s",
+ state->start_time / (double) GST_SECOND,
+ state->duration / (double) GST_SECOND, ret);
+ return ret;
}
static gchar *
-parse_subrip (GstSubparse * self, guint64 * out_start_time,
- guint64 * out_end_time, gboolean after_seek)
+parse_subrip (ParserState * state, const gchar * line)
{
- gchar *line;
guint h1, m1, s1, ms1;
guint h2, m2, s2, ms2;
int subnum;
-
- while (1) {
- switch (self->state.subrip.state) {
- case 0:
- /* looking for a single integer */
- line = get_next_line (self);
- if (!line)
- return NULL;
- if (sscanf (line, "%u", &subnum) == 1)
- self->state.subrip.state = 1;
- g_free (line);
- break;
- case 1:
- /* looking for start_time --> end_time */
- line = get_next_line (self);
- if (!line)
- return NULL;
- if (sscanf (line, "%u:%u:%u,%u --> %u:%u:%u,%u",
- &h1, &m1, &s1, &ms1, &h2, &m2, &s2, &ms2) == 8) {
- self->state.subrip.state = 2;
- self->state.subrip.time1 =
- (((guint64) h1) * 3600 + m1 * 60 + s1) * GST_SECOND +
- ms1 * GST_MSECOND;
- self->state.subrip.time2 =
- (((guint64) h2) * 3600 + m2 * 60 + s2) * GST_SECOND +
- ms2 * GST_MSECOND;
- } else {
- GST_DEBUG (0, "error parsing subrip time line");
- self->state.subrip.state = 0;
- }
- g_free (line);
- break;
- case 2:
- /* looking for subtitle text; empty line ends this
- * subtitle entry */
- line = get_next_line (self);
- if (!line)
- return NULL;
- if (self->state.subrip.buf->len)
- g_string_append_c (self->state.subrip.buf, '\n');
- g_string_append (self->state.subrip.buf, line);
- if (strlen (line) == 0) {
- gchar *rv;
-
- g_free (line);
- *out_start_time = self->state.subrip.time1;
- *out_end_time = self->state.subrip.time2;
- rv = g_markup_escape_text (self->state.subrip.buf->str,
- self->state.subrip.buf->len);
- g_string_truncate (self->state.subrip.buf, 0);
- self->state.subrip.state = 0;
- return rv;
- }
- g_free (line);
- }
+ gchar *ret;
+
+ switch (state->state) {
+ case 0:
+ /* looking for a single integer */
+ if (sscanf (line, "%u", &subnum) == 1)
+ state->state = 1;
+ return NULL;
+ case 1:
+ /* looking for start_time --> end_time */
+ if (sscanf (line, "%u:%u:%u,%u --> %u:%u:%u,%u",
+ &h1, &m1, &s1, &ms1, &h2, &m2, &s2, &ms2) == 8) {
+ state->state = 2;
+ state->start_time =
+ (((guint64) h1) * 3600 + m1 * 60 + s1) * GST_SECOND +
+ ms1 * GST_MSECOND;
+ state->duration =
+ (((guint64) h2) * 3600 + m2 * 60 + s2) * GST_SECOND +
+ ms2 * GST_MSECOND - state->start_time;
+ } else {
+ GST_DEBUG (0, "error parsing subrip time line");
+ state->state = 0;
+ }
+ return NULL;
+ case 2:
+ /* looking for subtitle text; empty line ends this
+ * subtitle entry */
+ if (state->buf->len)
+ g_string_append_c (state->buf, '\n');
+ g_string_append (state->buf, line);
+ if (strlen (line) == 0) {
+ ret = g_markup_escape_text (state->buf->str, state->buf->len);
+ g_string_truncate (state->buf, 0);
+ state->state = 0;
+ return ret;
+ }
+ return NULL;
+ default:
+ g_assert_not_reached ();
}
}
-static void
-parse_subrip_deinit (GstSubparse * self)
-{
- g_string_free (self->state.subrip.buf, TRUE);
-}
-
-static void
-parse_subrip_init (GstSubparse * self)
-{
- self->state.subrip.state = 0;
- self->state.subrip.buf = g_string_new (NULL);
- self->parser.parse = parse_subrip;
- self->parser.deinit = parse_subrip_deinit;
-}
-
-
static gchar *
-parse_mpsub (GstSubparse * self, guint64 * out_start_time,
- guint64 * out_end_time, gboolean after_seek)
+parse_mpsub (ParserState * state, const gchar * line)
{
- gchar *line;
+ gchar *ret;
float t1, t2;
- if (after_seek) {
- self->state.mpsub.time = 0;
- }
-
- while (1) {
- switch (self->state.mpsub.state) {
- case 0:
- /* looking for two floats (offset, duration) */
- line = get_next_line (self);
- if (!line)
- return NULL;
- if (sscanf (line, "%f %f", &t1, &t2) == 2) {
- self->state.mpsub.state = 1;
- self->state.mpsub.time += GST_SECOND * t1;
- }
- g_free (line);
- break;
- case 1:
- /* looking for subtitle text; empty line ends this
- * subtitle entry */
- line = get_next_line (self);
- if (!line)
- return NULL;
- if (self->state.mpsub.buf->len)
- g_string_append_c (self->state.mpsub.buf, '\n');
- g_string_append (self->state.mpsub.buf, line);
- if (strlen (line) == 0) {
- gchar *rv;
-
- g_free (line);
- *out_start_time = self->state.mpsub.time;
- *out_end_time = self->state.mpsub.time + t2 * GST_SECOND;
- self->state.mpsub.time += t2 * GST_SECOND;
- rv = g_markup_escape_text (self->state.mpsub.buf->str,
- self->state.mpsub.buf->len);
- rv = g_strdup (self->state.mpsub.buf->str);
- g_string_truncate (self->state.mpsub.buf, 0);
- self->state.mpsub.state = 0;
- return rv;
- }
- g_free (line);
- break;
- }
+ switch (state->state) {
+ case 0:
+ /* looking for two floats (offset, duration) */
+ if (sscanf (line, "%f %f", &t1, &t2) == 2) {
+ state->state = 1;
+ state->start_time += state->duration + GST_SECOND * t1;
+ state->duration = GST_SECOND * t2;
+ }
+ return NULL;
+ case 1:
+ /* looking for subtitle text; empty line ends this
+ * subtitle entry */
+ if (state->buf->len)
+ g_string_append_c (state->buf, '\n');
+ g_string_append (state->buf, line);
+ if (strlen (line) == 0) {
+ ret = g_strdup (state->buf->str);
+ g_string_truncate (state->buf, 0);
+ state->state = 0;
+ return ret;
+ }
+ return NULL;
+ default:
+ g_assert_not_reached ();
}
-
- return NULL;
}
static void
-parse_mpsub_deinit (GstSubparse * self)
+parser_state_init (ParserState * state)
{
- g_string_free (self->state.mpsub.buf, TRUE);
+ if (state->buf) {
+ g_string_truncate (state->buf, 0);
+ } else {
+ state->buf = g_string_new (NULL);
+ }
+
+ state->start_time = state->duration = state->state = 0;
}
static void
-parse_mpsub_init (GstSubparse * self)
+parser_state_dispose (ParserState * state)
{
- self->state.mpsub.state = 0;
- self->state.mpsub.buf = g_string_new (NULL);
- self->parser.deinit = parse_mpsub_deinit;
- self->parser.parse = parse_mpsub;
+ if (state->buf) {
+ g_string_free (state->buf, TRUE);
+ state->buf = NULL;
+ }
}
/*
*/
static GstSubParseFormat
-gst_subparse_buffer_format_autodetect (GstBuffer * buf)
+gst_subparse_data_format_autodetect (gchar * match_str)
{
static gboolean need_init_regexps = TRUE;
static regex_t mdvd_rx;
static regex_t subrip_rx;
- /* Copy out chars to guard against short non-null-terminated buffers */
- const gint match_chars = 35;
- gchar *match_str =
- g_strndup ((const gchar *) GST_BUFFER_DATA (buf), MIN (match_chars,
- GST_BUFFER_SIZE (buf)));
-
- if (!match_str)
- return GST_SUB_PARSE_FORMAT_UNKNOWN;
-
/* initialize the regexps used the first time around */
if (need_init_regexps) {
int err;
if (regexec (&mdvd_rx, match_str, 0, NULL, 0) == 0) {
GST_LOG ("subparse: MicroDVD (frame based) format detected");
- g_free (match_str);
return GST_SUB_PARSE_FORMAT_MDVDSUB;
}
if (regexec (&subrip_rx, match_str, 0, NULL, 0) == 0) {
GST_LOG ("subparse: SubRip (time based) format detected");
- g_free (match_str);
return GST_SUB_PARSE_FORMAT_SUBRIP;
}
if (!strncmp (match_str, "FORMAT=TIME", 11)) {
GST_LOG ("subparse: MPSub (time based) format detected");
- g_free (match_str);
return GST_SUB_PARSE_FORMAT_MPSUB;
}
GST_WARNING ("subparse: subtitle format autodetection failed!");
- g_free (match_str);
return GST_SUB_PARSE_FORMAT_UNKNOWN;
}
-static gboolean
+static GstCaps *
gst_subparse_format_autodetect (GstSubparse * self)
{
- GstBuffer *buf = NULL;
+ gchar *data;
GstSubParseFormat format;
- gboolean res = TRUE;
- do {
- GstData *data = gst_pad_pull (self->sinkpad);
+ if (strlen (self->textbuf->str) < 35) {
+ GST_DEBUG ("File too small to be a subtitles file");
+ return NULL;
+ }
+
+ data = g_strndup (self->textbuf->str, 35);
+ format = gst_subparse_data_format_autodetect (data);
+ g_free (data);
+
+ self->parser_type = format;
+ parser_state_init (&self->state);
- if (GST_IS_EVENT (data)) {
- if (!gst_subparse_handle_event (self, GST_EVENT (data)))
- return FALSE;
- } else {
- buf = GST_BUFFER (data);
- }
- } while (!buf);
- self->textbuf = g_string_append_len (self->textbuf, GST_BUFFER_DATA (buf),
- GST_BUFFER_SIZE (buf));
- format = gst_subparse_buffer_format_autodetect (buf);
- gst_buffer_unref (buf);
- self->parser_detected = TRUE;
- self->parser.type = format;
switch (format) {
case GST_SUB_PARSE_FORMAT_MDVDSUB:
- GST_DEBUG ("MicroDVD format detected");
- parse_mdvdsub_init (self);
- res = gst_pad_set_explicit_caps (self->srcpad,
- gst_caps_new_simple ("text/x-pango-markup", NULL));
- break;
+ self->parse_line = parse_mdvdsub;
+ return gst_caps_new_simple ("text/x-pango-markup", NULL);
case GST_SUB_PARSE_FORMAT_SUBRIP:
- GST_DEBUG ("SubRip format detected");
- parse_subrip_init (self);
- res = gst_pad_set_explicit_caps (self->srcpad,
- gst_caps_new_simple ("text/plain", NULL));
- break;
+ self->parse_line = parse_subrip;
+ return gst_caps_new_simple ("text/plain", NULL);
case GST_SUB_PARSE_FORMAT_MPSUB:
- GST_DEBUG ("MPSub format detected");
- parse_mpsub_init (self);
- res = gst_pad_set_explicit_caps (self->srcpad,
- gst_caps_new_simple ("text/plain", NULL));
- break;
+ self->parse_line = parse_mpsub;
+ return gst_caps_new_simple ("text/plain", NULL);
case GST_SUB_PARSE_FORMAT_UNKNOWN:
default:
GST_DEBUG ("no subtitle format detected");
GST_ELEMENT_ERROR (self, STREAM, WRONG_TYPE,
("The input is not a valid/supported subtitle file"), (NULL));
- res = FALSE;
- break;
+ return NULL;
+ }
+}
+
+static void
+feed_textbuf (GstSubparse * self, GstBuffer * buf)
+{
+ if (GST_BUFFER_OFFSET (buf) != self->offset) {
+ /* flush the parser state */
+ parser_state_init (&self->state);
+ g_string_truncate (self->textbuf, 0);
}
- return res;
+ self->textbuf = g_string_append_len (self->textbuf,
+ (gchar *) GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf));
+ gst_buffer_unref (buf);
+
+ self->offset = GST_BUFFER_OFFSET (buf) + GST_BUFFER_SIZE (buf);
+ self->next_offset = self->offset;
}
-/*
- * parse input, getting a start and end time
- * then parse next input, and if next start time > current end time, send
- * clear buffer.
- */
+static GstFlowReturn
+handle_buffer (GstSubparse * self, GstBuffer * buf)
+{
+ GstCaps *caps = NULL;
+ gchar *line, *subtitle;
+
+ feed_textbuf (self, buf);
+
+ /* make sure we know the format */
+ if (G_UNLIKELY (self->parser_type == GST_SUB_PARSE_FORMAT_UNKNOWN)) {
+ if (!(caps = gst_subparse_format_autodetect (self))) {
+ return GST_FLOW_UNEXPECTED;
+ }
+ }
+
+ while ((line = get_next_line (self))) {
+ subtitle = self->parse_line (&self->state, line);
+ g_free (line);
+
+ if (subtitle) {
+ GST_DEBUG ("subparse: loop: text %s, %lld+%lld\n",
+ subtitle, self->state.start_time, self->state.duration);
+
+ buf = gst_buffer_new ();
+ GST_BUFFER_DATA (buf) = (guint8 *) subtitle;
+ GST_BUFFER_SIZE (buf) = strlen (subtitle);
+ GST_BUFFER_TIMESTAMP (buf) = self->state.start_time;
+ GST_BUFFER_DURATION (buf) = self->state.duration;
+ GST_DEBUG ("sending text buffer %s at %lld", subtitle,
+ self->state.start_time);
+
+ if (G_UNLIKELY (caps)) {
+ /* set caps on the first buffer */
+ gst_buffer_set_caps (buf, caps);
+ gst_caps_unref (caps);
+ caps = NULL;
+ }
+
+ gst_pad_push (self->srcpad, buf);
+ }
+ }
+ return GST_FLOW_OK;
+}
+
+#if 0
static void
-gst_subparse_loop (GstElement * element)
+gst_subparse_loop (GstPad * sinkpad)
{
+ GstFlowReturn ret = GST_FLOW_OK;
GstSubparse *self;
GstBuffer *buf;
- guint64 start_time, end_time, need_time = GST_CLOCK_TIME_NONE;
- gchar *subtitle;
- gboolean after_seek = FALSE;
GST_DEBUG ("gst_subparse_loop");
- self = GST_SUBPARSE (element);
+ self = GST_SUBPARSE (GST_OBJECT_PARENT (sinkpad));
- /* make sure we know the format */
- if (!self->parser_detected) {
- if (!gst_subparse_format_autodetect (self))
- return;
- }
+ GST_STREAM_LOCK (sinkpad);
- /* handle seeks */
- if (GST_CLOCK_TIME_IS_VALID (self->seek_time)) {
- GstEvent *seek;
+ ret = gst_pad_pull_range (sinkpad, self->next_offset, 1024, &buf);
- seek = gst_event_new_seek (GST_SEEK_FLAG_FLUSH | GST_FORMAT_BYTES |
- GST_SEEK_METHOD_SET, 0);
- if (gst_pad_send_event (GST_PAD_PEER (self->sinkpad), seek)) {
- need_time = self->seek_time;
- after_seek = TRUE;
+ if (ret == GST_FLOW_OK)
+ ret = handle_buffer (self, buf);
- if (self->flush) {
- gst_pad_push (self->srcpad, GST_DATA (gst_event_new (GST_EVENT_FLUSH)));
- self->flush = FALSE;
- }
- gst_pad_push (self->srcpad,
- GST_DATA (gst_event_new_discontinuous (FALSE,
- GST_FORMAT_TIME, need_time, GST_FORMAT_UNDEFINED)));
- }
+ if (ret != GST_FLOW_OK)
+ gst_task_pause (GST_RPAD_TASK (sinkpad));
- self->seek_time = GST_CLOCK_TIME_NONE;
- }
+ GST_STREAM_UNLOCK (sinkpad);
+}
+#endif
- /* get a next buffer */
- GST_INFO ("getting text buffer");
- if (!self->parser.parse || self->parser.type == GST_SUB_PARSE_FORMAT_UNKNOWN) {
- GST_ELEMENT_ERROR (self, LIBRARY, INIT, (NULL), (NULL));
- return;
- }
+static GstFlowReturn
+gst_subparse_chain (GstPad * sinkpad, GstBuffer * buf)
+{
+ GstFlowReturn ret;
+ GstSubparse *self;
- do {
- subtitle = self->parser.parse (self, &start_time, &end_time, after_seek);
- if (!subtitle)
- return;
- after_seek = FALSE;
+ GST_DEBUG ("gst_subparse_chain");
+ self = GST_SUBPARSE (GST_OBJECT_PARENT (sinkpad));
- if (GST_CLOCK_TIME_IS_VALID (need_time) && end_time < need_time) {
- g_free (subtitle);
- } else {
- need_time = GST_CLOCK_TIME_NONE;
- GST_DEBUG ("subparse: loop: text %s, start %lld, end %lld\n",
- subtitle, start_time, end_time);
+ GST_STREAM_LOCK (sinkpad);
- buf = gst_buffer_new ();
- GST_BUFFER_DATA (buf) = subtitle;
- GST_BUFFER_SIZE (buf) = strlen (subtitle);
- GST_BUFFER_TIMESTAMP (buf) = start_time;
- GST_BUFFER_DURATION (buf) = end_time - start_time;
- GST_DEBUG ("sending text buffer %s at %lld", subtitle, start_time);
- gst_pad_push (self->srcpad, GST_DATA (buf));
- }
- } while (GST_CLOCK_TIME_IS_VALID (need_time));
+ ret = handle_buffer (self, buf);
+
+ GST_STREAM_UNLOCK (sinkpad);
+
+ return ret;
}
static GstElementStateReturn
switch (GST_STATE_TRANSITION (element)) {
case GST_STATE_PAUSED_TO_READY:
- if (self->parser.deinit)
- self->parser.deinit (self);
- self->parser.type = GST_SUB_PARSE_FORMAT_UNKNOWN;
- self->parser_detected = FALSE;
- self->seek_time = GST_CLOCK_TIME_NONE;
- self->flush = FALSE;
+ parser_state_dispose (&self->state);
+ self->parser_type = GST_SUB_PARSE_FORMAT_UNKNOWN;
+ break;
+ case GST_STATE_READY_TO_PAUSED:
+ /* format detection will init the parser state */
+ self->offset = self->next_offset = 0;
+ self->parser_type = GST_SUB_PARSE_FORMAT_UNKNOWN;
break;
default:
break;
{
GstSubParseFormat format;
- format = gst_subparse_buffer_format_autodetect (buf);
+ format = gst_subparse_data_format_autodetect (buf);
switch (format) {
case GST_SUB_PARSE_FORMAT_MDVDSUB:
GST_DEBUG (GST_CAT_PLUGIN_INFO, "MicroDVD format detected");
projects / platform / upstream / gst-plugins-base.git / commitdiff