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dec_sub: move code around

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This commit is contained in:
wm4 2013-06-24 00:47:08 +02:00
parent 5da89f8d2c
commit 5dcae2481d
1 changed files with 51 additions and 45 deletions
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96
sub/dec_sub.c
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@ -199,6 +199,57 @@ void sub_init_from_sh(struct dec_sub *sub, struct sh_sub *sh)
sh->gsh->codec ? sh->gsh->codec : "<unknown>");
}
static struct demux_packet *get_decoded_packet(struct sd *sd)
{
return sd->driver->get_converted ? sd->driver->get_converted(sd) : NULL;
}
static void decode_chain(struct sd **sd, int num_sd, struct demux_packet *packet)
{
if (num_sd == 0)
return;
struct sd *dec = sd[0];
dec->driver->decode(dec, packet);
if (num_sd > 1) {
while (1) {
struct demux_packet *next = get_decoded_packet(dec);
if (!next)
break;
decode_chain(sd + 1, num_sd - 1, next);
}
}
}
static struct demux_packet *recode_packet(struct demux_packet *in,
const char *charset)
{
struct demux_packet *pkt = NULL;
bstr in_buf = {in->buffer, in->len};
bstr conv = mp_iconv_to_utf8(in_buf, charset, MP_ICONV_VERBOSE);
if (conv.start && conv.start != in_buf.start) {
pkt = talloc_ptrtype(NULL, pkt);
talloc_steal(pkt, conv.start);
*pkt = (struct demux_packet) {
.buffer = conv.start,
.len = conv.len,
.pts = in->pts,
.duration = in->duration,
.avpacket = in->avpacket, // questionable, but gives us sidedata
};
}
return pkt;
}
void sub_decode(struct dec_sub *sub, struct demux_packet *packet)
{
if (sub->num_sd > 0) {
struct demux_packet *recoded = NULL;
if (sub->charset)
recoded = recode_packet(packet, sub->charset);
decode_chain(sub->sd, sub->num_sd, recoded ? recoded : packet);
}
}
static const char *guess_sub_cp(struct packet_list *subs, const char *usercp)
{
if (!mp_charset_requires_guess(usercp))
@ -341,51 +392,6 @@ bool sub_accept_packets_in_advance(struct dec_sub *sub)
return sd && sd->driver->accept_packets_in_advance;
}
static void decode_next(struct dec_sub *sub, int n, struct demux_packet *packet)
{
struct sd *sd = sub->sd[n];
sd->driver->decode(sd, packet);
if (n + 1 >= sub->num_sd || !sd->driver->get_converted)
return;
while (1) {
struct demux_packet *next =
sd->driver->get_converted ? sd->driver->get_converted(sd) : NULL;
if (!next)
break;
decode_next(sub, n + 1, next);
}
}
static struct demux_packet *recode_packet(struct demux_packet *in,
const char *charset)
{
struct demux_packet *pkt = NULL;
bstr in_buf = {in->buffer, in->len};
bstr conv = mp_iconv_to_utf8(in_buf, charset, MP_ICONV_VERBOSE);
if (conv.start && conv.start != in_buf.start) {
pkt = talloc_ptrtype(NULL, pkt);
talloc_steal(pkt, conv.start);
*pkt = (struct demux_packet) {
.buffer = conv.start,
.len = conv.len,
.pts = in->pts,
.duration = in->duration,
.avpacket = in->avpacket, // questionable, but gives us sidedata
};
}
return pkt;
}
void sub_decode(struct dec_sub *sub, struct demux_packet *packet)
{
if (sub->num_sd > 0) {
struct demux_packet *recoded = NULL;
if (sub->charset)
recoded = recode_packet(packet, sub->charset);
decode_next(sub, 0, recoded ? recoded : packet);
}
}
void sub_get_bitmaps(struct dec_sub *sub, struct mp_osd_res dim, double pts,
struct sub_bitmaps *res)
{