Don't use SPA_AUDIO_MAX_CHANNELS directly

Make a MAX_CHANNELS define and use that one in code. This makes it
easier to change the constant later.
This commit is contained in:
Wim Taymans 2025-10-20 15:33:17 +02:00
parent eb096bfb62
commit 13b8c23767
30 changed files with 136 additions and 108 deletions

View file

@ -142,29 +142,29 @@ static uint32_t mask_to_ch(struct channelmix *mix, uint64_t mask)
}
static void distribute_mix(struct channelmix *mix,
float matrix[SPA_AUDIO_MAX_CHANNELS][SPA_AUDIO_MAX_CHANNELS],
float matrix[MAX_CHANNELS][MAX_CHANNELS],
uint64_t mask)
{
uint32_t i, ch = mask_to_ch(mix, mask);
for (i = 0; i < SPA_AUDIO_MAX_CHANNELS; i++)
for (i = 0; i < MAX_CHANNELS; i++)
matrix[i][ch]= 1.0f;
}
static void average_mix(struct channelmix *mix,
float matrix[SPA_AUDIO_MAX_CHANNELS][SPA_AUDIO_MAX_CHANNELS],
float matrix[MAX_CHANNELS][MAX_CHANNELS],
uint64_t mask)
{
uint32_t i, ch = mask_to_ch(mix, mask);
for (i = 0; i < SPA_AUDIO_MAX_CHANNELS; i++)
for (i = 0; i < MAX_CHANNELS; i++)
matrix[ch][i]= 1.0f;
}
static void pair_mix(float matrix[SPA_AUDIO_MAX_CHANNELS][SPA_AUDIO_MAX_CHANNELS])
static void pair_mix(float matrix[MAX_CHANNELS][MAX_CHANNELS])
{
uint32_t i;
for (i = 0; i < SPA_AUDIO_MAX_CHANNELS; i++)
for (i = 0; i < MAX_CHANNELS; i++)
matrix[i][i]= 1.0f;
}
static bool match_mix(struct channelmix *mix,
float matrix[SPA_AUDIO_MAX_CHANNELS][SPA_AUDIO_MAX_CHANNELS],
float matrix[MAX_CHANNELS][MAX_CHANNELS],
uint64_t src_mask, uint64_t dst_mask)
{
bool matched = false;
@ -181,7 +181,7 @@ static bool match_mix(struct channelmix *mix,
static int make_matrix(struct channelmix *mix)
{
float matrix[SPA_AUDIO_MAX_CHANNELS][SPA_AUDIO_MAX_CHANNELS] = {{ 0.0f }};
float matrix[MAX_CHANNELS][MAX_CHANNELS] = {{ 0.0f }};
uint64_t src_mask = mix->src_mask, src_paired;
uint64_t dst_mask = mix->dst_mask, dst_paired;
uint32_t src_chan = mix->src_chan;
@ -293,7 +293,7 @@ static int make_matrix(struct channelmix *mix)
keep &= ~STEREO;
} else if (dst_mask & _MASK(MONO)){
spa_log_info(mix->log, "assign FC to MONO (%f)", 1.0f);
for (i = 0; i < SPA_AUDIO_MAX_CHANNELS; i++)
for (i = 0; i < MAX_CHANNELS; i++)
matrix[i][_CH(FC)]= 1.0f;
normalize = true;
} else {
@ -313,7 +313,7 @@ static int make_matrix(struct channelmix *mix)
keep &= ~FRONT;
} else if ((dst_mask & _MASK(MONO))){
spa_log_info(mix->log, "assign STEREO to MONO (%f)", 1.0f);
for (i = 0; i < SPA_AUDIO_MAX_CHANNELS; i++) {
for (i = 0; i < MAX_CHANNELS; i++) {
matrix[i][_CH(FL)]= 1.0f;
matrix[i][_CH(FR)]= 1.0f;
}
@ -352,7 +352,7 @@ static int make_matrix(struct channelmix *mix)
_MATRIX(FC,RC) += slev * SQRT1_2;
} else if (dst_mask & _MASK(MONO)){
spa_log_info(mix->log, "assign RC to MONO (%f)", 1.0f);
for (i = 0; i < SPA_AUDIO_MAX_CHANNELS; i++)
for (i = 0; i < MAX_CHANNELS; i++)
matrix[i][_CH(RC)]= 1.0f;
normalize = true;
} else {
@ -398,7 +398,7 @@ static int make_matrix(struct channelmix *mix)
_MATRIX(FC,RR)+= slev * SQRT1_2;
} else if (dst_mask & _MASK(MONO)){
spa_log_info(mix->log, "assign RL+RR to MONO (%f)", 1.0f);
for (i = 0; i < SPA_AUDIO_MAX_CHANNELS; i++) {
for (i = 0; i < MAX_CHANNELS; i++) {
matrix[i][_CH(RL)]= 1.0f;
matrix[i][_CH(RR)]= 1.0f;
}
@ -450,7 +450,7 @@ static int make_matrix(struct channelmix *mix)
_MATRIX(FC,SR) += slev * SQRT1_2;
} else if (dst_mask & _MASK(MONO)){
spa_log_info(mix->log, "assign SL+SR to MONO (%f)", 1.0f);
for (i = 0; i < SPA_AUDIO_MAX_CHANNELS; i++) {
for (i = 0; i < MAX_CHANNELS; i++) {
matrix[i][_CH(SL)]= 1.0f;
matrix[i][_CH(SR)]= 1.0f;
}
@ -471,7 +471,7 @@ static int make_matrix(struct channelmix *mix)
_MATRIX(FC,FRC)+= SQRT1_2;
} else if (dst_mask & _MASK(MONO)){
spa_log_info(mix->log, "assign FLC+FRC to MONO (%f)", 1.0f);
for (i = 0; i < SPA_AUDIO_MAX_CHANNELS; i++) {
for (i = 0; i < MAX_CHANNELS; i++) {
matrix[i][_CH(FLC)]= 1.0f;
matrix[i][_CH(FRC)]= 1.0f;
}
@ -492,7 +492,7 @@ static int make_matrix(struct channelmix *mix)
_MATRIX(FR,LFE) += llev * SQRT1_2;
} else if ((dst_mask & _MASK(MONO))){
spa_log_info(mix->log, "assign LFE to MONO (%f)", 1.0f);
for (i = 0; i < SPA_AUDIO_MAX_CHANNELS; i++)
for (i = 0; i < MAX_CHANNELS; i++)
matrix[i][_CH(LFE)]= 1.0f;
normalize = true;
} else {
@ -690,7 +690,7 @@ done:
static void impl_channelmix_set_volume(struct channelmix *mix, float volume, bool mute,
uint32_t n_channel_volumes, float *channel_volumes)
{
float volumes[SPA_AUDIO_MAX_CHANNELS];
float volumes[MAX_CHANNELS];
float vol = mute ? 0.0f : volume, t;
uint32_t i, j;
uint32_t src_chan = mix->src_chan;
@ -760,8 +760,8 @@ int channelmix_init(struct channelmix *mix)
{
const struct channelmix_info *info;
if (mix->src_chan > SPA_AUDIO_MAX_CHANNELS ||
mix->dst_chan > SPA_AUDIO_MAX_CHANNELS)
if (mix->src_chan > MAX_CHANNELS ||
mix->dst_chan > MAX_CHANNELS)
return -EINVAL;
info = find_channelmix_info(mix->src_chan, mix->src_mask, mix->dst_chan, mix->dst_mask,