diff options
Diffstat (limited to 'src/pulsecore/sample-util.c')
-rw-r--r-- | src/pulsecore/sample-util.c | 226 |
1 files changed, 91 insertions, 135 deletions
diff --git a/src/pulsecore/sample-util.c b/src/pulsecore/sample-util.c index b42b79d1..4b2efe5e 100644 --- a/src/pulsecore/sample-util.c +++ b/src/pulsecore/sample-util.c @@ -85,7 +85,6 @@ static uint8_t silence_byte(pa_sample_format_t format) { default: pa_assert_not_reached(); } - return 0; } void* pa_silence_memory(void *p, size_t length, const pa_sample_spec *spec) { @@ -134,7 +133,7 @@ static void calc_linear_float_stream_volumes(pa_mix_info streams[], unsigned nst for (channel = 0; channel < spec->channels; channel++) { pa_mix_info *m = streams + k; - m->linear[channel].f = pa_sw_volume_to_linear(m->volume.values[channel]); + m->linear[channel].f = (float) pa_sw_volume_to_linear(m->volume.values[channel]); } } } @@ -146,7 +145,7 @@ static void calc_linear_float_volume(float linear[], const pa_cvolume *volume) { pa_assert(volume); for (channel = 0; channel < volume->channels; channel++) - linear[channel] = pa_sw_volume_to_linear(volume->values[channel]); + linear[channel] = (float) pa_sw_volume_to_linear(volume->values[channel]); } size_t pa_mix( @@ -160,7 +159,8 @@ size_t pa_mix( pa_cvolume full_volume; unsigned k; - size_t d = 0; + unsigned z; + void *end; pa_assert(streams); pa_assert(data); @@ -170,9 +170,20 @@ size_t pa_mix( if (!volume) volume = pa_cvolume_reset(&full_volume, spec->channels); + if (mute || pa_cvolume_is_muted(volume) || nstreams <= 0) { + pa_silence_memory(data, length, spec); + return length; + } + for (k = 0; k < nstreams; k++) streams[k].ptr = (uint8_t*) pa_memblock_acquire(streams[k].chunk.memblock) + streams[k].chunk.index; + for (z = 0; z < nstreams; z++) + if (length > streams[z].chunk.length) + length = streams[z].chunk.length; + + end = (uint8_t*) data + length; + switch (spec->format) { case PA_SAMPLE_S16NE:{ @@ -182,21 +193,15 @@ size_t pa_mix( calc_linear_integer_stream_volumes(streams, nstreams, spec); calc_linear_integer_volume(linear, volume); - for (d = 0;; d += sizeof(int16_t)) { + while (data < end) { int32_t sum = 0; unsigned i; - if (PA_UNLIKELY(d >= length)) - goto finish; - for (i = 0; i < nstreams; i++) { pa_mix_info *m = streams + i; int32_t v, cv = m->linear[channel].i; - if (PA_UNLIKELY(d >= m->chunk.length)) - goto finish; - - if (PA_UNLIKELY(cv <= 0) || PA_UNLIKELY(!!mute) || PA_UNLIKELY(linear[channel] <= 0)) + if (PA_UNLIKELY(cv <= 0) || PA_UNLIKELY(linear[channel] <= 0)) v = 0; else { v = *((int16_t*) m->ptr); @@ -207,8 +212,8 @@ size_t pa_mix( m->ptr = (uint8_t*) m->ptr + sizeof(int16_t); } - sum = PA_CLAMP_UNLIKELY(sum, -0x8000, 0x7FFF); sum = (sum * linear[channel]) / 0x10000; + sum = PA_CLAMP_UNLIKELY(sum, -0x8000, 0x7FFF); *((int16_t*) data) = (int16_t) sum; data = (uint8_t*) data + sizeof(int16_t); @@ -227,21 +232,15 @@ size_t pa_mix( calc_linear_integer_stream_volumes(streams, nstreams, spec); calc_linear_integer_volume(linear, volume); - for (d = 0;; d += sizeof(int16_t)) { + while (data < end) { int32_t sum = 0; unsigned i; - if (PA_UNLIKELY(d >= length)) - goto finish; - for (i = 0; i < nstreams; i++) { pa_mix_info *m = streams + i; int32_t v, cv = m->linear[channel].i; - if (PA_UNLIKELY(d >= m->chunk.length)) - goto finish; - - if (PA_UNLIKELY(cv <= 0) || PA_UNLIKELY(!!mute) || PA_UNLIKELY(linear[channel] <= 0)) + if (PA_UNLIKELY(cv <= 0) || PA_UNLIKELY(linear[channel] <= 0)) v = 0; else { v = PA_INT16_SWAP(*((int16_t*) m->ptr)); @@ -252,8 +251,8 @@ size_t pa_mix( m->ptr = (uint8_t*) m->ptr + sizeof(int16_t); } - sum = PA_CLAMP_UNLIKELY(sum, -0x8000, 0x7FFF); sum = (sum * linear[channel]) / 0x10000; + sum = PA_CLAMP_UNLIKELY(sum, -0x8000, 0x7FFF); *((int16_t*) data) = PA_INT16_SWAP((int16_t) sum); data = (uint8_t*) data + sizeof(int16_t); @@ -272,22 +271,16 @@ size_t pa_mix( calc_linear_integer_stream_volumes(streams, nstreams, spec); calc_linear_integer_volume(linear, volume); - for (d = 0;; d += sizeof(int32_t)) { + while (data < end) { int64_t sum = 0; unsigned i; - if (PA_UNLIKELY(d >= length)) - goto finish; - for (i = 0; i < nstreams; i++) { pa_mix_info *m = streams + i; int64_t v; int32_t cv = m->linear[channel].i; - if (PA_UNLIKELY(d >= m->chunk.length)) - goto finish; - - if (PA_UNLIKELY(cv <= 0) || PA_UNLIKELY(!!mute) || PA_UNLIKELY(linear[channel] <= 0)) + if (PA_UNLIKELY(cv <= 0) || PA_UNLIKELY(linear[channel] <= 0)) v = 0; else { v = *((int32_t*) m->ptr); @@ -298,8 +291,8 @@ size_t pa_mix( m->ptr = (uint8_t*) m->ptr + sizeof(int32_t); } - sum = PA_CLAMP_UNLIKELY(sum, -0x80000000LL, 0x7FFFFFFFLL); sum = (sum * linear[channel]) / 0x10000; + sum = PA_CLAMP_UNLIKELY(sum, -0x80000000LL, 0x7FFFFFFFLL); *((int32_t*) data) = (int32_t) sum; data = (uint8_t*) data + sizeof(int32_t); @@ -318,22 +311,16 @@ size_t pa_mix( calc_linear_integer_stream_volumes(streams, nstreams, spec); calc_linear_integer_volume(linear, volume); - for (d = 0;; d += sizeof(int32_t)) { + while (data < end) { int64_t sum = 0; unsigned i; - if (PA_UNLIKELY(d >= length)) - goto finish; - for (i = 0; i < nstreams; i++) { pa_mix_info *m = streams + i; int64_t v; int32_t cv = m->linear[channel].i; - if (PA_UNLIKELY(d >= m->chunk.length)) - goto finish; - - if (PA_UNLIKELY(cv <= 0) || PA_UNLIKELY(!!mute) || PA_UNLIKELY(linear[channel] <= 0)) + if (PA_UNLIKELY(cv <= 0) || PA_UNLIKELY(linear[channel] <= 0)) v = 0; else { v = PA_INT32_SWAP(*((int32_t*) m->ptr)); @@ -344,8 +331,8 @@ size_t pa_mix( m->ptr = (uint8_t*) m->ptr + sizeof(int32_t); } - sum = PA_CLAMP_UNLIKELY(sum, -0x80000000LL, 0x7FFFFFFFLL); sum = (sum * linear[channel]) / 0x10000; + sum = PA_CLAMP_UNLIKELY(sum, -0x80000000LL, 0x7FFFFFFFLL); *((int32_t*) data) = PA_INT32_SWAP((int32_t) sum); data = (uint8_t*) data + sizeof(int32_t); @@ -364,21 +351,15 @@ size_t pa_mix( calc_linear_integer_stream_volumes(streams, nstreams, spec); calc_linear_integer_volume(linear, volume); - for (d = 0;; d ++) { + while (data < end) { int32_t sum = 0; unsigned i; - if (PA_UNLIKELY(d >= length)) - goto finish; - for (i = 0; i < nstreams; i++) { pa_mix_info *m = streams + i; int32_t v, cv = m->linear[channel].i; - if (PA_UNLIKELY(d >= m->chunk.length)) - goto finish; - - if (PA_UNLIKELY(cv <= 0) || PA_UNLIKELY(!!mute) || PA_UNLIKELY(linear[channel] <= 0)) + if (PA_UNLIKELY(cv <= 0) || PA_UNLIKELY(linear[channel] <= 0)) v = 0; else { v = (int32_t) *((uint8_t*) m->ptr) - 0x80; @@ -409,21 +390,15 @@ size_t pa_mix( calc_linear_integer_stream_volumes(streams, nstreams, spec); calc_linear_integer_volume(linear, volume); - for (d = 0;; d ++) { + while (data < end) { int32_t sum = 0; unsigned i; - if (PA_UNLIKELY(d >= length)) - goto finish; - for (i = 0; i < nstreams; i++) { pa_mix_info *m = streams + i; int32_t v, cv = m->linear[channel].i; - if (PA_UNLIKELY(d >= m->chunk.length)) - goto finish; - - if (PA_UNLIKELY(cv <= 0) || PA_UNLIKELY(!!mute) || PA_UNLIKELY(linear[channel] <= 0)) + if (PA_UNLIKELY(cv <= 0) || PA_UNLIKELY(linear[channel] <= 0)) v = 0; else { v = (int32_t) st_ulaw2linear16(*((uint8_t*) m->ptr)); @@ -434,9 +409,9 @@ size_t pa_mix( m->ptr = (uint8_t*) m->ptr + 1; } - sum = PA_CLAMP_UNLIKELY(sum, -0x8000, 0x7FFF); sum = (sum * linear[channel]) / 0x10000; - *((uint8_t*) data) = (uint8_t) st_14linear2ulaw(sum >> 2); + sum = PA_CLAMP_UNLIKELY(sum, -0x8000, 0x7FFF); + *((uint8_t*) data) = (uint8_t) st_14linear2ulaw((int16_t) sum >> 2); data = (uint8_t*) data + 1; @@ -454,21 +429,15 @@ size_t pa_mix( calc_linear_integer_stream_volumes(streams, nstreams, spec); calc_linear_integer_volume(linear, volume); - for (d = 0;; d ++) { + while (data < end) { int32_t sum = 0; unsigned i; - if (PA_UNLIKELY(d >= length)) - goto finish; - for (i = 0; i < nstreams; i++) { pa_mix_info *m = streams + i; int32_t v, cv = m->linear[channel].i; - if (PA_UNLIKELY(d >= m->chunk.length)) - goto finish; - - if (PA_UNLIKELY(cv <= 0) || PA_UNLIKELY(!!mute) || PA_UNLIKELY(linear[channel] <= 0)) + if (PA_UNLIKELY(cv <= 0) || PA_UNLIKELY(linear[channel] <= 0)) v = 0; else { v = (int32_t) st_alaw2linear16(*((uint8_t*) m->ptr)); @@ -479,9 +448,9 @@ size_t pa_mix( m->ptr = (uint8_t*) m->ptr + 1; } - sum = PA_CLAMP_UNLIKELY(sum, -0x8000, 0x7FFF); sum = (sum * linear[channel]) / 0x10000; - *((uint8_t*) data) = (uint8_t) st_13linear2alaw(sum >> 3); + sum = PA_CLAMP_UNLIKELY(sum, -0x8000, 0x7FFF); + *((uint8_t*) data) = (uint8_t) st_13linear2alaw((int16_t) sum >> 3); data = (uint8_t*) data + 1; @@ -499,21 +468,15 @@ size_t pa_mix( calc_linear_float_stream_volumes(streams, nstreams, spec); calc_linear_float_volume(linear, volume); - for (d = 0;; d += sizeof(float)) { + while (data < end) { float sum = 0; unsigned i; - if (PA_UNLIKELY(d >= length)) - goto finish; - for (i = 0; i < nstreams; i++) { pa_mix_info *m = streams + i; float v, cv = m->linear[channel].f; - if (PA_UNLIKELY(d >= m->chunk.length)) - goto finish; - - if (PA_UNLIKELY(cv <= 0) || PA_UNLIKELY(!!mute) || PA_UNLIKELY(linear[channel] <= 0)) + if (PA_UNLIKELY(cv <= 0) || PA_UNLIKELY(linear[channel] <= 0)) v = 0; else { v = *((float*) m->ptr); @@ -543,35 +506,25 @@ size_t pa_mix( calc_linear_float_stream_volumes(streams, nstreams, spec); calc_linear_float_volume(linear, volume); - for (d = 0;; d += sizeof(float)) { + while (data < end) { float sum = 0; unsigned i; - if (PA_UNLIKELY(d >= length)) - goto finish; - for (i = 0; i < nstreams; i++) { pa_mix_info *m = streams + i; float v, cv = m->linear[channel].f; - if (PA_UNLIKELY(d >= m->chunk.length)) - goto finish; - - if (PA_UNLIKELY(cv <= 0) || PA_UNLIKELY(!!mute) || PA_UNLIKELY(linear[channel] <= 0)) + if (PA_UNLIKELY(cv <= 0) || PA_UNLIKELY(linear[channel] <= 0)) v = 0; - else { - uint32_t z = *(uint32_t*) m->ptr; - z = PA_UINT32_SWAP(z); - v = *((float*) &z); - v *= cv; - } + else + v = PA_FLOAT32_SWAP(*(float*) m->ptr) *cv; sum += v; m->ptr = (uint8_t*) m->ptr + sizeof(float); } sum *= linear[channel]; - *((uint32_t*) data) = PA_UINT32_SWAP(*(uint32_t*) &sum); + *((float*) data) = PA_FLOAT32_SWAP(sum); data = (uint8_t*) data + sizeof(float); @@ -583,16 +536,14 @@ size_t pa_mix( } default: - pa_log_error("ERROR: Unable to mix audio data of format %s.", pa_sample_format_to_string(spec->format)); + pa_log_error("Unable to mix audio data of format %s.", pa_sample_format_to_string(spec->format)); pa_assert_not_reached(); } -finish: - for (k = 0; k < nstreams; k++) pa_memblock_release(streams[k].chunk.memblock); - return d; + return length; } @@ -624,14 +575,15 @@ void pa_volume_memchunk( switch (spec->format) { case PA_SAMPLE_S16NE: { - int16_t *d; - size_t n; + int16_t *d, *e; unsigned channel; int32_t linear[PA_CHANNELS_MAX]; calc_linear_integer_volume(linear, volume); - for (channel = 0, d = ptr, n = c->length/sizeof(int16_t); n > 0; d++, n--) { + e = (int16_t*) ptr + c->length/sizeof(int16_t); + + for (channel = 0, d = ptr; d < e; d++) { int32_t t; t = (int32_t)(*d); @@ -646,17 +598,18 @@ void pa_volume_memchunk( } case PA_SAMPLE_S16RE: { - int16_t *d; - size_t n; + int16_t *d, *e; unsigned channel; int32_t linear[PA_CHANNELS_MAX]; calc_linear_integer_volume(linear, volume); - for (channel = 0, d = ptr, n = c->length/sizeof(int16_t); n > 0; d++, n--) { + e = (int16_t*) ptr + c->length/sizeof(int16_t); + + for (channel = 0, d = ptr; d < e; d++) { int32_t t; - t = (int32_t)(PA_INT16_SWAP(*d)); + t = (int32_t) PA_INT16_SWAP(*d); t = (t * linear[channel]) / 0x10000; t = PA_CLAMP_UNLIKELY(t, -0x8000, 0x7FFF); *d = PA_INT16_SWAP((int16_t) t); @@ -669,14 +622,15 @@ void pa_volume_memchunk( } case PA_SAMPLE_S32NE: { - int32_t *d; - size_t n; + int32_t *d, *e; unsigned channel; int32_t linear[PA_CHANNELS_MAX]; calc_linear_integer_volume(linear, volume); - for (channel = 0, d = ptr, n = c->length/sizeof(int32_t); n > 0; d++, n--) { + e = (int32_t*) ptr + c->length/sizeof(int32_t); + + for (channel = 0, d = ptr; d < e; d++) { int64_t t; t = (int64_t)(*d); @@ -691,17 +645,18 @@ void pa_volume_memchunk( } case PA_SAMPLE_S32RE: { - int32_t *d; - size_t n; + int32_t *d, *e; unsigned channel; int32_t linear[PA_CHANNELS_MAX]; calc_linear_integer_volume(linear, volume); - for (channel = 0, d = ptr, n = c->length/sizeof(int32_t); n > 0; d++, n--) { + e = (int32_t*) ptr + c->length/sizeof(int32_t); + + for (channel = 0, d = ptr; d < e; d++) { int64_t t; - t = (int64_t)(PA_INT32_SWAP(*d)); + t = (int64_t) PA_INT32_SWAP(*d); t = (t * linear[channel]) / 0x10000; t = PA_CLAMP_UNLIKELY(t, -0x80000000LL, 0x7FFFFFFFLL); *d = PA_INT32_SWAP((int32_t) t); @@ -714,14 +669,15 @@ void pa_volume_memchunk( } case PA_SAMPLE_U8: { - uint8_t *d; - size_t n; + uint8_t *d, *e; unsigned channel; int32_t linear[PA_CHANNELS_MAX]; calc_linear_integer_volume(linear, volume); - for (channel = 0, d = ptr, n = c->length; n > 0; d++, n--) { + e = (uint8_t*) ptr + c->length; + + for (channel = 0, d = ptr; d < e; d++) { int32_t t; t = (int32_t) *d - 0x80; @@ -736,20 +692,21 @@ void pa_volume_memchunk( } case PA_SAMPLE_ULAW: { - uint8_t *d; - size_t n; + uint8_t *d, *e; unsigned channel; int32_t linear[PA_CHANNELS_MAX]; calc_linear_integer_volume(linear, volume); - for (channel = 0, d = ptr, n = c->length; n > 0; d++, n--) { + e = (uint8_t*) ptr + c->length; + + for (channel = 0, d = ptr; d < e; d++) { int32_t t; t = (int32_t) st_ulaw2linear16(*d); t = (t * linear[channel]) / 0x10000; t = PA_CLAMP_UNLIKELY(t, -0x8000, 0x7FFF); - *d = (uint8_t) st_14linear2ulaw(t >> 2); + *d = (uint8_t) st_14linear2ulaw((int16_t) t >> 2); if (PA_UNLIKELY(++channel >= spec->channels)) channel = 0; @@ -758,20 +715,21 @@ void pa_volume_memchunk( } case PA_SAMPLE_ALAW: { - uint8_t *d; - size_t n; + uint8_t *d, *e; unsigned channel; int32_t linear[PA_CHANNELS_MAX]; calc_linear_integer_volume(linear, volume); - for (channel = 0, d = ptr, n = c->length; n > 0; d++, n--) { + e = (uint8_t*) ptr + c->length; + + for (channel = 0, d = ptr; d < e; d++) { int32_t t; t = (int32_t) st_alaw2linear16(*d); t = (t * linear[channel]) / 0x10000; t = PA_CLAMP_UNLIKELY(t, -0x8000, 0x7FFF); - *d = (uint8_t) st_13linear2alaw(t >> 3); + *d = (uint8_t) st_13linear2alaw((int16_t) t >> 3); if (PA_UNLIKELY(++channel >= spec->channels)) channel = 0; @@ -786,8 +744,8 @@ void pa_volume_memchunk( unsigned channel; d = ptr; - skip = spec->channels * sizeof(float); - n = c->length/sizeof(float)/spec->channels; + skip = (int) (spec->channels * sizeof(float)); + n = (unsigned) (c->length/sizeof(float)/spec->channels); for (channel = 0; channel < spec->channels; channel ++) { float v, *t; @@ -797,28 +755,26 @@ void pa_volume_memchunk( v = (float) pa_sw_volume_to_linear(volume->values[channel]); t = d + channel; - oil_scalarmult_f32(t, skip, t, skip, &v, n); + oil_scalarmult_f32(t, skip, t, skip, &v, (int) n); } break; } case PA_SAMPLE_FLOAT32RE: { - uint32_t *d; - size_t n; + float *d, *e; unsigned channel; float linear[PA_CHANNELS_MAX]; calc_linear_float_volume(linear, volume); - for (channel = 0, d = ptr, n = c->length/sizeof(float); n > 0; d++, n--) { + e = (float*) ptr + c->length/sizeof(float); + + for (channel = 0, d = ptr; d < e; d++) { float t; - uint32_t z; - z = PA_UINT32_SWAP(*d); - t = *(float*) &z; + t = PA_FLOAT32_SWAP(*d); t *= linear[channel]; - z = *(uint32_t*) &t; - *d = PA_UINT32_SWAP(z); + *d = PA_FLOAT32_SWAP(t); if (PA_UNLIKELY(++channel >= spec->channels)) channel = 0; @@ -877,7 +833,7 @@ void pa_interleave(const void *src[], unsigned channels, void *dst, size_t ss, u d = (uint8_t*) dst + c * ss; for (j = 0; j < n; j ++) { - oil_memcpy(d, s, ss); + oil_memcpy(d, s, (int) ss); s = (uint8_t*) s + ss; d = (uint8_t*) d + fs; } @@ -905,7 +861,7 @@ void pa_deinterleave(const void *src, void *dst[], unsigned channels, size_t ss, d = dst[c]; for (j = 0; j < n; j ++) { - oil_memcpy(d, s, ss); + oil_memcpy(d, s, (int) ss); s = (uint8_t*) s + fs; d = (uint8_t*) d + ss; } @@ -1008,7 +964,7 @@ void pa_sample_clamp(pa_sample_format_t format, void *dst, size_t dstr, const vo if (format == PA_SAMPLE_FLOAT32NE) { float minus_one = -1.0, plus_one = 1.0; - oil_clip_f32(d, dstr, s, sstr, n, &minus_one, &plus_one); + oil_clip_f32(d, (int) dstr, s, (int) sstr, (int) n, &minus_one, &plus_one); } else { pa_assert(format == PA_SAMPLE_FLOAT32RE); @@ -1017,7 +973,7 @@ void pa_sample_clamp(pa_sample_format_t format, void *dst, size_t dstr, const vo float f; f = PA_FLOAT32_SWAP(*s); - f = PA_CLAMP_UNLIKELY(f, -1.0, 1.0); + f = PA_CLAMP_UNLIKELY(f, -1.0f, 1.0f); *d = PA_FLOAT32_SWAP(f); s = (const float*) ((const uint8_t*) s + sstr); |