#include "avformat.h"
#include "subtitles.h"
+#include "libavutil/avstring.h"
AVPacket *ff_subtitles_queue_insert(FFDemuxSubtitlesQueue *q,
const uint8_t *event, int len, int merge)
av_freep(&q->subs);
q->nb_subs = q->allocated_size = q->current_sub_idx = 0;
}
+
+int ff_smil_extract_next_chunk(AVIOContext *pb, AVBPrint *buf, char *c)
+{
+ int i = 0;
+ char end_chr;
+
+ if (!*c) // cached char?
+ *c = avio_r8(pb);
+ if (!*c)
+ return 0;
+
+ end_chr = *c == '<' ? '>' : '<';
+ do {
+ av_bprint_chars(buf, *c, 1);
+ *c = avio_r8(pb);
+ i++;
+ } while (*c != end_chr && *c);
+ if (end_chr == '>') {
+ av_bprint_chars(buf, '>', 1);
+ *c = 0;
+ }
+ return i;
+}
+
+const char *ff_smil_get_attr_ptr(const char *s, const char *attr)
+{
+ int in_quotes = 0;
+ const int len = strlen(attr);
+
+ while (*s) {
+ while (*s) {
+ if (!in_quotes && isspace(*s))
+ break;
+ in_quotes ^= *s == '"'; // XXX: support escaping?
+ s++;
+ }
+ while (isspace(*s))
+ s++;
+ if (!av_strncasecmp(s, attr, len) && s[len] == '=')
+ return s + len + 1 + (s[len + 1] == '"');
+ }
+ return NULL;
+}
#include <stdint.h>
#include "avformat.h"
+#include "libavutil/bprint.h"
typedef struct {
AVPacket *subs; ///< array of subtitles packets
*/
void ff_subtitles_queue_clean(FFDemuxSubtitlesQueue *q);
+/**
+ * SMIL helper to load next chunk ("<...>" or untagged content) in buf.
+ *
+ * @param c cached character, to avoid a backward seek
+ */
+int ff_smil_extract_next_chunk(AVIOContext *pb, AVBPrint *buf, char *c);
+
+/**
+ * SMIL helper to point on the value of an attribute in the given tag.
+ *
+ * @param s SMIL tag ("<...>")
+ * @param attr the attribute to look for
+ */
+const char *ff_smil_get_attr_ptr(const char *s, const char *attr);
+
#endif /* AVFORMAT_SUBTITLES_H */