diff options
Diffstat (limited to 'meta-agl-bsp/meta-rcar-gen3/recipes-multimedia/gstreamer/gstreamer1.0-plugins-base/0003-ssaparse-enhance-SSA-text-lines-parsing.patch')
| -rw-r--r-- | meta-agl-bsp/meta-rcar-gen3/recipes-multimedia/gstreamer/gstreamer1.0-plugins-base/0003-ssaparse-enhance-SSA-text-lines-parsing.patch | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/meta-agl-bsp/meta-rcar-gen3/recipes-multimedia/gstreamer/gstreamer1.0-plugins-base/0003-ssaparse-enhance-SSA-text-lines-parsing.patch b/meta-agl-bsp/meta-rcar-gen3/recipes-multimedia/gstreamer/gstreamer1.0-plugins-base/0003-ssaparse-enhance-SSA-text-lines-parsing.patch new file mode 100644 index 000000000..9fbebd570 --- /dev/null +++ b/meta-agl-bsp/meta-rcar-gen3/recipes-multimedia/gstreamer/gstreamer1.0-plugins-base/0003-ssaparse-enhance-SSA-text-lines-parsing.patch @@ -0,0 +1,225 @@ +From be6163cfa3a255493f9d75bad9541cbfe1723fee Mon Sep 17 00:00:00 2001 +From: Mingke Wang <mingke.wang@freescale.com> +Date: Thu, 19 Mar 2015 14:17:10 +0800 +Subject: [PATCH 3/4] ssaparse: enhance SSA text lines parsing. + +some parser will pass in the original ssa text line which starts with "Dialog:" +and there's are maybe multiple Dialog lines in one input buffer. + +Upstream-Status: Submitted [https://bugzilla.gnome.org/show_bug.cgi?id=747496] + +Signed-off-by: Mingke Wang <mingke.wang@freescale.com> + +diff --git a/gst/subparse/gstssaparse.c b/gst/subparse/gstssaparse.c +old mode 100644 +new mode 100755 +index 06ecef9..0ab5dce +--- a/gst/subparse/gstssaparse.c ++++ b/gst/subparse/gstssaparse.c +@@ -260,6 +260,7 @@ gst_ssa_parse_remove_override_codes (GstSsaParse * parse, gchar * txt) + * gst_ssa_parse_push_line: + * @parse: caller element + * @txt: text to push ++ * @size: text size need to be parse + * @start: timestamp for the buffer + * @duration: duration for the buffer + * +@@ -269,27 +270,133 @@ gst_ssa_parse_remove_override_codes (GstSsaParse * parse, gchar * txt) + * Returns: result of the push of the created buffer + */ + static GstFlowReturn +-gst_ssa_parse_push_line (GstSsaParse * parse, gchar * txt, ++gst_ssa_parse_push_line (GstSsaParse * parse, gchar * txt, gint size, + GstClockTime start, GstClockTime duration) + { + GstFlowReturn ret; + GstBuffer *buf; +- gchar *t, *escaped; ++ gchar *t, *text, *p, *escaped, *p_start, *p_end; + gint num, i, len; ++ GstClockTime start_time = G_MAXUINT64, end_time = 0; + +- num = atoi (txt); +- GST_LOG_OBJECT (parse, "Parsing line #%d at %" GST_TIME_FORMAT, +- num, GST_TIME_ARGS (start)); +- +- /* skip all non-text fields before the actual text */ ++ p = text = g_malloc(size + 1); ++ *p = '\0'; + t = txt; +- for (i = 0; i < 8; ++i) { +- t = strchr (t, ','); ++ ++ /* there are may have multiple dialogue lines at a time */ ++ while (*t) { ++ /* ignore leading white space characters */ ++ while (isspace(*t)) ++ t++; ++ ++ /* ignore Format: and Style: lines */ ++ if (strncmp(t, "Format:", 7) == 0 || strncmp(t, "Style:", 6) == 0) { ++ while (*t != '\0' && *t != '\n') { ++ t++; ++ } ++ } ++ ++ if (*t == '\0') ++ break; ++ ++ /* continue with next line */ ++ if (*t == '\n') { ++ t++; ++ continue; ++ } ++ ++ if(strncmp(t, "Dialogue:", 9) != 0) { ++ /* not started with "Dialogue:", it must be a line trimmed by demuxer */ ++ num = atoi (t); ++ GST_LOG_OBJECT (parse, "Parsing line #%d at %" GST_TIME_FORMAT, ++ num, GST_TIME_ARGS (start)); ++ ++ /* skip all non-text fields before the actual text */ ++ for (i = 0; i < 8; ++i) { ++ t = strchr (t, ','); ++ if (t == NULL) ++ break; ++ ++t; ++ } ++ } else { ++ /* started with "Dialogue:", update timestamp and duration */ ++ /* time format are like Dialog:Mark,0:00:01.02,0:00:03.04,xx,xxx,... */ ++ guint hour, min, sec, msec, len; ++ GstClockTime tmp; ++ gchar t_str[12] = {0}; ++ ++ /* find the first ',' */ ++ p_start = strchr (t, ','); ++ if (p_start) ++ p_end = strchr (++p_start, ','); ++ ++ if (p_start && p_end) { ++ /* copy text between first ',' and second ',' */ ++ strncpy(t_str, p_start, p_end - p_start); ++ if (sscanf (t_str, "%u:%u:%u.%u", &hour, &min, &sec, &msec) == 4) { ++ tmp = ((hour*3600) + (min*60) + sec) * GST_SECOND + msec*GST_MSECOND; ++ GST_DEBUG_OBJECT (parse, "Get start time:%02d:%02d:%02d:%03d\n", ++ hour, min, sec, msec); ++ if (start_time > tmp) ++ start_time = tmp; ++ } else { ++ GST_WARNING_OBJECT (parse, ++ "failed to parse ssa start timestamp string :%s", t_str); ++ } ++ ++ p_start = p_end; ++ p_end = strchr (++p_start, ','); ++ if (p_end) { ++ /* copy text between second ',' and third ',' */ ++ strncpy(t_str, p_start, p_end - p_start); ++ if (sscanf (t_str, "%u:%u:%u.%u", &hour, &min, &sec, &msec) == 4) { ++ tmp = ((hour*3600) + (min*60) + sec)*GST_SECOND + msec*GST_MSECOND; ++ GST_DEBUG_OBJECT(parse, "Get end time:%02d:%02d:%02d:%03d\n", ++ hour, min, sec, msec); ++ if (end_time < tmp) ++ end_time = tmp; ++ } else { ++ GST_WARNING_OBJECT (parse, ++ "failed to parse ssa end timestamp string :%s", t_str); ++ } ++ } ++ } ++ ++ /* now skip all non-text fields before the actual text */ ++ for (i = 0; i <= 8; ++i) { ++ t = strchr (t, ','); ++ if (t == NULL) ++ break; ++ ++t; ++ } ++ } ++ ++ /* line end before expected number of ',', not a Dialogue line */ + if (t == NULL) +- return GST_FLOW_ERROR; +- ++t; ++ break; ++ ++ /* if not the first line, and the last character of previous line is '\0', ++ * then replace it with '\N' */ ++ if (p != text && *p == '\0') { ++ *p++ = '\\'; ++ *p++ = 'N'; ++ } ++ ++ /* copy all actual text of this line */ ++ while ((*t != '\0') && (*t != '\n')) ++ *p++ = *t++; ++ ++ /* add a terminator at the end */ ++ *p = '\0'; ++ } ++ ++ /* not valid text found in this buffer return OK to let caller unref buffer */ ++ if (strlen(text) <= 0) { ++ GST_WARNING_OBJECT (parse, "Not valid text found in this buffer\n"); ++ return GST_FLOW_ERROR; + } + ++ t = text; + GST_LOG_OBJECT (parse, "Text : %s", t); + + if (gst_ssa_parse_remove_override_codes (parse, t)) { +@@ -307,13 +414,22 @@ gst_ssa_parse_push_line (GstSsaParse * parse, gchar * txt, + gst_buffer_fill (buf, 0, escaped, len + 1); + gst_buffer_set_size (buf, len); + g_free (escaped); ++ g_free(t); ++ ++ if (start_time != G_MAXUINT64) ++ GST_BUFFER_TIMESTAMP (buf) = start_time; ++ else ++ GST_BUFFER_TIMESTAMP (buf) = start; + +- GST_BUFFER_TIMESTAMP (buf) = start; +- GST_BUFFER_DURATION (buf) = duration; ++ if (end_time > start_time) ++ GST_BUFFER_DURATION (buf) = end_time - start_time; ++ else ++ GST_BUFFER_DURATION (buf) = duration; + + GST_LOG_OBJECT (parse, "Pushing buffer with timestamp %" GST_TIME_FORMAT +- " and duration %" GST_TIME_FORMAT, GST_TIME_ARGS (start), +- GST_TIME_ARGS (duration)); ++ " and duration %" GST_TIME_FORMAT, ++ GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)), ++ GST_TIME_ARGS (GST_BUFFER_DURATION (buf))); + + ret = gst_pad_push (parse->srcpad, buf); + +@@ -333,6 +449,7 @@ gst_ssa_parse_chain (GstPad * sinkpad, GstObject * parent, GstBuffer * buf) + GstClockTime ts; + gchar *txt; + GstMapInfo map; ++ gint size; + + if (G_UNLIKELY (!parse->framed)) + goto not_framed; +@@ -350,13 +467,14 @@ gst_ssa_parse_chain (GstPad * sinkpad, GstObject * parent, GstBuffer * buf) + /* make double-sure it's 0-terminated and all */ + gst_buffer_map (buf, &map, GST_MAP_READ); + txt = g_strndup ((gchar *) map.data, map.size); ++ size = map.size; + gst_buffer_unmap (buf, &map); + + if (txt == NULL) + goto empty_text; + + ts = GST_BUFFER_TIMESTAMP (buf); +- ret = gst_ssa_parse_push_line (parse, txt, ts, GST_BUFFER_DURATION (buf)); ++ ret = gst_ssa_parse_push_line (parse, txt, size, ts, GST_BUFFER_DURATION (buf)); + + if (ret != GST_FLOW_OK && GST_CLOCK_TIME_IS_VALID (ts)) { + GstSegment segment; +-- +1.7.9.5 + |