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ao_lavc: slightly simplify filter use 

Create a central function which pumps data through the filter. This also
might fix bogus use of the filter API on flushing. (The filter is just
used for convenience, but I guess the overall result is still simpler.)
This commit is contained in:
wm4 2020-09-03 15:39:31 +02:00
parent 4b3500dd14
commit d3afe34c09
1 changed files with 12 additions and 12 deletions
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24
audio/out/ao_lavc.c
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@ -59,7 +59,7 @@ struct priv {
bool shutdown;
};
static void read_frames(struct ao *ao);
static bool write_frame(struct ao *ao, struct mp_frame frame);
static bool supports_format(const AVCodec *codec, int format)
{
@ -188,9 +188,8 @@ static void uninit(struct ao *ao)
outpts += encoder_get_offset(ac->enc);
if (!mp_pin_in_write(ac->fix_frame_size->pins[0], MP_EOF_FRAME))
if (!write_frame(ao, MP_EOF_FRAME))
MP_WARN(ao, "could not flush last frame\n");
read_frames(ao);
encoder_encode(ac->enc, NULL);
}
@ -230,10 +229,16 @@ static void encode(struct ao *ao, struct mp_aframe *af)
av_frame_free(&frame);
}
static void read_frames(struct ao *ao)
static bool write_frame(struct ao *ao, struct mp_frame frame)
{
struct priv *ac = ao->priv;
// Can't push in frame if it doesn't want it output one.
mp_pin_out_request_data(ac->fix_frame_size->pins[1]);
if (!mp_pin_in_write(ac->fix_frame_size->pins[0], frame))
return false; // shouldn't happen™
while (1) {
struct mp_frame fr = mp_pin_out_read(ac->fix_frame_size->pins[1]);
if (!fr.type)
@ -244,6 +249,8 @@ static void read_frames(struct ao *ao)
encode(ao, af);
mp_frame_unref(&fr);
}
return true;
}
static bool audio_write(struct ao *ao, void **data, int samples)
@ -295,14 +302,7 @@ static bool audio_write(struct ao *ao, void **data, int samples)
mp_aframe_set_pts(af, outpts);
// Can't push in frame if it doesn't want it output one.
mp_pin_out_request_data(ac->fix_frame_size->pins[1]);
if (!mp_pin_in_write(ac->fix_frame_size->pins[0],
MAKE_FRAME(MP_FRAME_AUDIO, af)))
return false; // shouldn't happen™
read_frames(ao);
return true;
return write_frame(ao, MAKE_FRAME(MP_FRAME_AUDIO, af));
}
static void get_state(struct ao *ao, struct mp_pcm_state *state)