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#include "common/common.h"
#include "demux/demux.h"
#include "demux/packet.h"
#include "f_demux_in.h"
#include "filter_internal.h"
struct priv {
struct sh_stream *src;
bool eof_returned;
};
static void wakeup(void *ctx)
{
struct mp_filter *f = ctx;
mp_filter_wakeup(f);
}
static void process(struct mp_filter *f)
{
struct priv *p = f->priv;
if (!mp_pin_in_needs_data(f->ppins[0]))
return;
struct demux_packet *pkt = NULL;
if (demux_read_packet_async(p->src, &pkt) == 0)
return; // wait
struct mp_frame frame = {MP_FRAME_PACKET, pkt};
if (pkt) {
p->eof_returned = false;
} else {
frame.type = MP_FRAME_EOF;
// While the demuxer will repeat EOFs, filters never do that.
if (p->eof_returned)
return;
p->eof_returned = true;
}
mp_pin_in_write(f->ppins[0], frame);
}
static void reset(struct mp_filter *f)
{
struct priv *p = f->priv;
p->eof_returned = false;
}
static void destroy(struct mp_filter *f)
{
struct priv *p = f->priv;
demux_set_stream_wakeup_cb(p->src, NULL, NULL);
}
static const struct mp_filter_info demux_filter = {
.name = "demux_in",
.priv_size = sizeof(struct priv),
.process = process,
.reset = reset,
.destroy = destroy,
};
struct mp_filter *mp_demux_in_create(struct mp_filter *parent,
struct sh_stream *src)
{
struct mp_filter *f = mp_filter_create(parent, &demux_filter);
if (!f)
return NULL;
struct priv *p = f->priv;
p->src = src;
mp_filter_add_pin(f, MP_PIN_OUT, "out");
demux_set_stream_wakeup_cb(p->src, wakeup, f);
return f;
}
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