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mix: Use table for calc_stream_columes()

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Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
This commit is contained in:
Peter Meerwald 2013-02-13 17:27:01 +01:00 • committed by Tanu Kaskinen
parent 1335914e72
commit c90868f2e0
1 changed files with 20 additions and 26 deletions
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46
src/pulsecore/mix.c
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@ -104,6 +104,24 @@ static void calc_linear_float_stream_volumes(pa_mix_info streams[], unsigned nst
} }
} }
typedef void (*pa_calc_stream_volumes_func_t) (pa_mix_info streams[], unsigned nstreams, const pa_cvolume *volume, const pa_sample_spec *spec);
static const pa_calc_stream_volumes_func_t calc_stream_volumes_table[] = {
[PA_SAMPLE_U8] = (pa_calc_stream_volumes_func_t) calc_linear_integer_stream_volumes,
[PA_SAMPLE_ALAW] = (pa_calc_stream_volumes_func_t) calc_linear_integer_stream_volumes,
[PA_SAMPLE_ULAW] = (pa_calc_stream_volumes_func_t) calc_linear_integer_stream_volumes,
[PA_SAMPLE_S16LE] = (pa_calc_stream_volumes_func_t) calc_linear_integer_stream_volumes,
[PA_SAMPLE_S16BE] = (pa_calc_stream_volumes_func_t) calc_linear_integer_stream_volumes,
[PA_SAMPLE_FLOAT32LE] = (pa_calc_stream_volumes_func_t) calc_linear_float_stream_volumes,
[PA_SAMPLE_FLOAT32BE] = (pa_calc_stream_volumes_func_t) calc_linear_float_stream_volumes,
[PA_SAMPLE_S32LE] = (pa_calc_stream_volumes_func_t) calc_linear_integer_stream_volumes,
[PA_SAMPLE_S32BE] = (pa_calc_stream_volumes_func_t) calc_linear_integer_stream_volumes,
[PA_SAMPLE_S24LE] = (pa_calc_stream_volumes_func_t) calc_linear_integer_stream_volumes,
[PA_SAMPLE_S24BE] = (pa_calc_stream_volumes_func_t) calc_linear_integer_stream_volumes,
[PA_SAMPLE_S24_32LE] = (pa_calc_stream_volumes_func_t) calc_linear_integer_stream_volumes,
[PA_SAMPLE_S24_32BE] = (pa_calc_stream_volumes_func_t) calc_linear_integer_stream_volumes
};
size_t pa_mix( size_t pa_mix(
pa_mix_info streams[], pa_mix_info streams[],
unsigned nstreams, unsigned nstreams,
@ -140,13 +158,13 @@ size_t pa_mix(
end = (uint8_t*) data + length; end = (uint8_t*) data + length;
calc_stream_volumes_table[spec->format](streams, nstreams, volume, spec);
switch (spec->format) { switch (spec->format) {
case PA_SAMPLE_S16NE:{ case PA_SAMPLE_S16NE:{
unsigned channel = 0; unsigned channel = 0;
calc_linear_integer_stream_volumes(streams, nstreams, volume, spec);
while (data < end) { while (data < end) {
int32_t sum = 0; int32_t sum = 0;
unsigned i; unsigned i;
@ -188,8 +206,6 @@ size_t pa_mix(
case PA_SAMPLE_S16RE:{ case PA_SAMPLE_S16RE:{
unsigned channel = 0; unsigned channel = 0;
calc_linear_integer_stream_volumes(streams, nstreams, volume, spec);
while (data < end) { while (data < end) {
int32_t sum = 0; int32_t sum = 0;
unsigned i; unsigned i;
@ -225,8 +241,6 @@ size_t pa_mix(
case PA_SAMPLE_S32NE:{ case PA_SAMPLE_S32NE:{
unsigned channel = 0; unsigned channel = 0;
calc_linear_integer_stream_volumes(streams, nstreams, volume, spec);
while (data < end) { while (data < end) {
int64_t sum = 0; int64_t sum = 0;
unsigned i; unsigned i;
@ -260,8 +274,6 @@ size_t pa_mix(
case PA_SAMPLE_S32RE:{ case PA_SAMPLE_S32RE:{
unsigned channel = 0; unsigned channel = 0;
calc_linear_integer_stream_volumes(streams, nstreams, volume, spec);
while (data < end) { while (data < end) {
int64_t sum = 0; int64_t sum = 0;
unsigned i; unsigned i;
@ -295,8 +307,6 @@ size_t pa_mix(
case PA_SAMPLE_S24NE: { case PA_SAMPLE_S24NE: {
unsigned channel = 0; unsigned channel = 0;
calc_linear_integer_stream_volumes(streams, nstreams, volume, spec);
while (data < end) { while (data < end) {
int64_t sum = 0; int64_t sum = 0;
unsigned i; unsigned i;
@ -330,8 +340,6 @@ size_t pa_mix(
case PA_SAMPLE_S24RE: { case PA_SAMPLE_S24RE: {
unsigned channel = 0; unsigned channel = 0;
calc_linear_integer_stream_volumes(streams, nstreams, volume, spec);
while (data < end) { while (data < end) {
int64_t sum = 0; int64_t sum = 0;
unsigned i; unsigned i;
@ -365,8 +373,6 @@ size_t pa_mix(
case PA_SAMPLE_S24_32NE: { case PA_SAMPLE_S24_32NE: {
unsigned channel = 0; unsigned channel = 0;
calc_linear_integer_stream_volumes(streams, nstreams, volume, spec);
while (data < end) { while (data < end) {
int64_t sum = 0; int64_t sum = 0;
unsigned i; unsigned i;
@ -400,8 +406,6 @@ size_t pa_mix(
case PA_SAMPLE_S24_32RE: { case PA_SAMPLE_S24_32RE: {
unsigned channel = 0; unsigned channel = 0;
calc_linear_integer_stream_volumes(streams, nstreams, volume, spec);
while (data < end) { while (data < end) {
int64_t sum = 0; int64_t sum = 0;
unsigned i; unsigned i;
@ -435,8 +439,6 @@ size_t pa_mix(
case PA_SAMPLE_U8: { case PA_SAMPLE_U8: {
unsigned channel = 0; unsigned channel = 0;
calc_linear_integer_stream_volumes(streams, nstreams, volume, spec);
while (data < end) { while (data < end) {
int32_t sum = 0; int32_t sum = 0;
unsigned i; unsigned i;
@ -469,8 +471,6 @@ size_t pa_mix(
case PA_SAMPLE_ULAW: { case PA_SAMPLE_ULAW: {
unsigned channel = 0; unsigned channel = 0;
calc_linear_integer_stream_volumes(streams, nstreams, volume, spec);
while (data < end) { while (data < end) {
int32_t sum = 0; int32_t sum = 0;
unsigned i; unsigned i;
@ -506,8 +506,6 @@ size_t pa_mix(
case PA_SAMPLE_ALAW: { case PA_SAMPLE_ALAW: {
unsigned channel = 0; unsigned channel = 0;
calc_linear_integer_stream_volumes(streams, nstreams, volume, spec);
while (data < end) { while (data < end) {
int32_t sum = 0; int32_t sum = 0;
unsigned i; unsigned i;
@ -543,8 +541,6 @@ size_t pa_mix(
case PA_SAMPLE_FLOAT32NE: { case PA_SAMPLE_FLOAT32NE: {
unsigned channel = 0; unsigned channel = 0;
calc_linear_float_stream_volumes(streams, nstreams, volume, spec);
while (data < end) { while (data < end) {
float sum = 0; float sum = 0;
unsigned i; unsigned i;
@ -576,8 +572,6 @@ size_t pa_mix(
case PA_SAMPLE_FLOAT32RE: { case PA_SAMPLE_FLOAT32RE: {
unsigned channel = 0; unsigned channel = 0;
calc_linear_float_stream_volumes(streams, nstreams, volume, spec);
while (data < end) { while (data < end) {
float sum = 0; float sum = 0;
unsigned i; unsigned i;