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chmap: remove MPlayer layouts 

Unused; last uses removed with the previous two commits.
This commit is contained in:
wm4 2015-11-07 15:22:30 +01:00
parent a7f51f8fd4
commit 2dc18a2f82
4 changed files with 0 additions and 39 deletions
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26
audio/chmap.c
View File

@ -112,19 +112,6 @@ static const struct mp_chmap default_layouts[] = {
MP_CHMAP8(FL, FR, FC, LFE, BL, BR, SL, SR), // 7.1
};
// The channel order was lavc/waveex, but differs from lavc for 5, 6 and 8
// channels. 3 and 7 channels were likely undefined (no ALSA support).
// I'm not sure about the 4 channel case: ALSA uses "quad", while the ffmpeg
// default layout is "4.0".
static const char *const mplayer_layouts[MP_NUM_CHANNELS + 1] = {
[1] = "mono",
[2] = "stereo",
[4] = "quad",
[5] = "5.0(alsa)",
[6] = "5.1(alsa)",
[8] = "7.1(alsa)",
};
// Returns true if speakers are mapped uniquely, and there's at least 1 channel.
bool mp_chmap_is_valid(const struct mp_chmap *src)
{
@ -227,19 +214,6 @@ void mp_chmap_from_channels(struct mp_chmap *dst, int num_channels)
mp_chmap_set_unknown(dst, num_channels);
}
// Try to do what mplayer/mplayer2/mpv did before channel layouts were
// introduced, i.e. get the old default channel order.
void mp_chmap_from_channels_alsa(struct mp_chmap *dst, int num_channels)
{
if (num_channels < 0 || num_channels > MP_NUM_CHANNELS) {
*dst = (struct mp_chmap) {0};
} else {
mp_chmap_from_str(dst, bstr0(mplayer_layouts[num_channels]));
if (!dst->num)
mp_chmap_from_channels(dst, num_channels);
}
}
// Set *dst to an unknown layout for the given numbers of channels.
// If the number of channels is invalid, an invalid map is set, and
// mp_chmap_is_valid(dst) will return false.

1
audio/chmap.h
View File

@ -108,7 +108,6 @@ void mp_chmap_fill_na(struct mp_chmap *map, int num);
void mp_chmap_from_channels(struct mp_chmap *dst, int num_channels);
void mp_chmap_set_unknown(struct mp_chmap *dst, int num_channels);
void mp_chmap_from_channels_alsa(struct mp_chmap *dst, int num_channels);
void mp_chmap_remove_useless_channels(struct mp_chmap *map,
const struct mp_chmap *requested);

11
audio/chmap_sel.c
View File

@ -95,17 +95,6 @@ void mp_chmap_sel_add_waveext(struct mp_chmap_sel *s)
s->allow_waveext = true;
}
// Classic ALSA-based MPlayer layouts.
void mp_chmap_sel_add_alsa_def(struct mp_chmap_sel *s)
{
for (int n = 1; n <= MP_NUM_CHANNELS; n++) {
struct mp_chmap t;
mp_chmap_from_channels_alsa(&t, n);
if (t.num)
mp_chmap_sel_add_map(s, &t);
}
}
// Add a channel map that should be allowed.
void mp_chmap_sel_add_map(struct mp_chmap_sel *s, const struct mp_chmap *map)
{

1
audio/chmap_sel.h
View File

@ -37,7 +37,6 @@ struct mp_chmap_sel {
void mp_chmap_sel_add_any(struct mp_chmap_sel *s);
void mp_chmap_sel_add_waveext(struct mp_chmap_sel *s);
void mp_chmap_sel_add_waveext_def(struct mp_chmap_sel *s);
void mp_chmap_sel_add_alsa_def(struct mp_chmap_sel *s);
void mp_chmap_sel_add_map(struct mp_chmap_sel *s, const struct mp_chmap *map);
void mp_chmap_sel_add_speaker(struct mp_chmap_sel *s, int id);
bool mp_chmap_sel_adjust(const struct mp_chmap_sel *s, struct mp_chmap *map);