mirror of
https://github.com/mpv-player/mpv
synced 2024-08-20 08:55:06 +02:00
![wm4](/assets/img/avatar_default.png)
With the previous commit, this is dead code. This also makes the f_autoconvert.c code for this dead code (fortunately). Will probably remove this later.
74 lines
3.2 KiB
C
74 lines
3.2 KiB
C
#pragma once
|
|
|
|
#include "filter.h"
|
|
|
|
struct mp_image;
|
|
|
|
// A filter which automatically creates and uses a conversion filter based on
|
|
// the filter settings, or passes through data unchanged if no conversion is
|
|
// required.
|
|
struct mp_autoconvert {
|
|
// f->pins[0] is input, f->pins[1] is output
|
|
struct mp_filter *f;
|
|
|
|
// If this is set, the callback is invoked (from the process function), and
|
|
// further data flow is blocked until mp_autoconvert_format_change_continue()
|
|
// is called. The idea is that you can reselect the output parameters on
|
|
// format changes and continue filtering when ready.
|
|
void (*on_audio_format_change)(void *opaque);
|
|
void *on_audio_format_change_opaque;
|
|
};
|
|
|
|
// (to free this, free the filter itself, mp_autoconvert.f)
|
|
struct mp_autoconvert *mp_autoconvert_create(struct mp_filter *parent);
|
|
|
|
// Add the imgfmt as allowed video image format, and error on non-video frames.
|
|
// Each call adds to the list of allowed formats. Before the first call, all
|
|
// formats are allowed (even non-video).
|
|
// subfmt can be used to specify underlying surface formats for hardware formats,
|
|
// otherwise must be 0.
|
|
void mp_autoconvert_add_imgfmt(struct mp_autoconvert *c, int imgfmt, int subfmt);
|
|
|
|
// Add all sw image formats. The effect is that hardware video image formats are
|
|
// disallowed. The semantics are the same as calling mp_autoconvert_add_imgfmt()
|
|
// for each sw format that exists.
|
|
// No need to do this if you add sw formats with mp_autoconvert_add_imgfmt(),
|
|
// as the normal semantics will exclude other formats (including hw ones).
|
|
void mp_autoconvert_add_all_sw_imgfmts(struct mp_autoconvert *c);
|
|
|
|
// Approximate test for whether the input would be accepted for conversion
|
|
// according to the current settings. If false is returned, conversion will
|
|
// definitely fail; if true is returned, it might succeed, but with no hard
|
|
// guarantee. This is mainly intended for better error reporting to the user.
|
|
// The result is "approximate" because it could still fail at runtime.
|
|
// The mp_image is not mutated.
|
|
// This function is relatively slow.
|
|
// Accepting mp_image instead of any mp_frame is the result of laziness.
|
|
bool mp_autoconvert_probe_input_video(struct mp_autoconvert *c,
|
|
struct mp_image *img);
|
|
|
|
// This is pointless.
|
|
struct mp_hwdec_devices;
|
|
void mp_autoconvert_add_vo_hwdec_subfmts(struct mp_autoconvert *c,
|
|
struct mp_hwdec_devices *devs);
|
|
|
|
// Add afmt (an AF_FORMAT_* value) as allowed audio format.
|
|
// See mp_autoconvert_add_imgfmt() for other remarks.
|
|
void mp_autoconvert_add_afmt(struct mp_autoconvert *c, int afmt);
|
|
|
|
// Add allowed audio channel configuration.
|
|
struct mp_chmap;
|
|
void mp_autoconvert_add_chmap(struct mp_autoconvert *c, struct mp_chmap *chmap);
|
|
|
|
// Add allowed audio sample rate.
|
|
void mp_autoconvert_add_srate(struct mp_autoconvert *c, int rate);
|
|
|
|
// Reset set of allowed formats back to initial state. (This does not flush
|
|
// any frames or remove currently active filters, although to get reasonable
|
|
// behavior, you need to readd all previously allowed formats, or reset the
|
|
// filter.)
|
|
void mp_autoconvert_clear(struct mp_autoconvert *c);
|
|
|
|
// See mp_autoconvert.on_audio_format_change.
|
|
void mp_autoconvert_format_change_continue(struct mp_autoconvert *c);
|