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demux_playlist: allow recognizing format by mime type

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This commit just adds basic support. The following commit will add
actual mime types.
This commit is contained in:
wm4 2014-05-06 20:09:46 +02:00
parent b7669d533b
commit 8bb61f97b4
1 changed files with 21 additions and 0 deletions
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21
demux/demux_playlist.c
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@ -155,8 +155,12 @@ static int parse_txt(struct pl_parser *p)
struct pl_format {
const char *name;
int (*parse)(struct pl_parser *p);
const char **mime_types;
};
#define MIME_TYPES(...) \
.mime_types = (const char*[]){__VA_ARGS__, NULL}
static const struct pl_format formats[] = {
{"m3u", parse_m3u},
{"ini", parse_ref_init},
@ -165,12 +169,28 @@ static const struct pl_format formats[] = {
{"txt", parse_txt},
};
static bool check_mimetype(struct stream *s, const char **list)
{
if (s->mime_type) {
for (int n = 0; list && list[n]; n++) {
if (strcmp(s->mime_type, list[n]) == 0)
return true;
}
}
return false;
}
static const struct pl_format *probe_pl(struct pl_parser *p)
{
int64_t start = stream_tell(p->s);
for (int n = 0; n < MP_ARRAY_SIZE(formats); n++) {
const struct pl_format *fmt = &formats[n];
stream_seek(p->s, start);
if (check_mimetype(p->s, fmt->mime_types)) {
MP_VERBOSE(p, "forcing format by mime-type.\n");
p->force = true;
return fmt;
}
if (fmt->parse(p) >= 0)
return fmt;
}
@ -187,6 +207,7 @@ static int open_file(struct demuxer *demuxer, enum demux_check check)
bstr probe_buf = stream_peek(demuxer->stream, PROBE_SIZE);
p->s = open_memory_stream(probe_buf.start, probe_buf.len);
p->s->mime_type = demuxer->stream->mime_type;
p->utf16 = stream_skip_bom(p->s);
p->force = force;
p->probing = true;