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gst/subparse/samiparse.c: Only output characters inside the "sync" elements. There could be other elements like "styl...

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Original commit message from CVS:
Patch by: Young-Ho Cha <ganadist at chollian dot net>
* gst/subparse/samiparse.c: (handle_start_sync),
(start_sami_element), (end_sami_element), (characters_sami),
(sami_context_reset):
Only output characters inside the "sync" elements. There could be
other elements like "style" that have some content but should
not be printed. Fixes bug #467911.
This commit is contained in:
Young-Ho Cha 2008-05-05 11:14:48 +00:00 committed by Sebastian Dröge
parent 1275eda108
commit 76e3ffb61c
2 changed files with 28 additions and 10 deletions
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11
ChangeLog
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@ -1,3 +1,14 @@
2008-05-05 Sebastian Dröge <slomo@circular-chaos.org>
Patch by: Young-Ho Cha <ganadist at chollian dot net>
* gst/subparse/samiparse.c: (handle_start_sync),
(start_sami_element), (end_sami_element), (characters_sami),
(sami_context_reset):
Only output characters inside the "sync" elements. There could be
other elements like "style" that have some content but should
not be printed. Fixes bug #467911.
2008-05-05 Sebastian Dröge <slomo@circular-chaos.org>
* gst/playback/gstplaybasebin.c: (set_audio_mute),

27
gst/subparse/samiparse.c
View file

@ -47,8 +47,8 @@ struct _GstSamiContext
* and _context_pop_state(). */
htmlParserCtxtPtr htmlctxt; /* html parser context */
gboolean has_result; /* set when ready to push out result */
gboolean in_title; /* flag to avoid appending the title content
* to buf */
gboolean in_sync; /* flag to avoid appending anything except the
* content of the sync elements to buf */
guint64 time1; /* previous start attribute in sync tag */
guint64 time2; /* current start attribute in sync tag */
};
@ -131,6 +131,14 @@ handle_start_sync (GstSamiContext * sctx, const xmlChar ** atts)
if (!value)
continue;
if (!xmlStrncmp ((const xmlChar *) "start", key, 5)) {
/* FIXME: this is not correct. According to[0] the start parameter
* specifies the time when the text should be shown and not the time
* when the text should be hidden again.
* This essentially means that we have to look at the next sync element
* before pushing one buffer and push the last buffer with -1
* as duration after the body element is closed.
* [0] http://msdn.microsoft.com/en-us/library/ms971327.aspx
*/
sctx->time1 = sctx->time2;
sctx->time2 = atoi ((const char *) value) * GST_MSECOND;
sctx->has_result = TRUE;
@ -210,10 +218,9 @@ start_sami_element (void *ctx, const xmlChar * name, const xmlChar ** atts)
{
GstSamiContext *sctx = (GstSamiContext *) ctx;
if (!xmlStrncmp ((const xmlChar *) "title", name, 5)) {
sctx->in_title = TRUE;
} else if (!xmlStrncmp ((const xmlChar *) "sync", name, 4)) {
if (!xmlStrncmp ((const xmlChar *) "sync", name, 4)) {
handle_start_sync (sctx, atts);
sctx->in_sync = TRUE;
} else if (!xmlStrncmp ((const xmlChar *) "font", name, 4)) {
handle_start_font (sctx, atts);
} else if (!xmlStrncmp ((const xmlChar *) "ruby", name, 4)) {
@ -239,8 +246,8 @@ end_sami_element (void *ctx, const xmlChar * name)
{
GstSamiContext *sctx = (GstSamiContext *) ctx;
if (!xmlStrncmp ((const xmlChar *) "title", name, 5)) {
sctx->in_title = FALSE;
if (!xmlStrncmp ((const xmlChar *) "sync", name, 4)) {
sctx->in_sync = FALSE;
} else if (!xmlStrncmp ((const xmlChar *) "font", name, 4)) {
sami_context_pop_state (sctx, SPAN_TAG);
} else if (!xmlStrncmp ((const xmlChar *) "ruby", name, 4)) {
@ -256,8 +263,8 @@ characters_sami (void *ctx, const xmlChar * ch, int len)
GstSamiContext *sctx = (GstSamiContext *) ctx;
gchar *escaped;
/* skip title */
if (sctx->in_title)
/* Skip everything except content of the sync elements */
if (!sctx->in_sync)
return;
escaped = g_markup_escape_text ((const gchar *) ch, len);
@ -361,7 +368,7 @@ sami_context_reset (ParserState * state)
g_string_truncate (context->resultbuf, 0);
g_string_truncate (context->state, 0);
context->has_result = FALSE;
context->in_title = FALSE;
context->in_sync = FALSE;
context->time1 = 0;
context->time2 = 0;
}