prepare gapk for dealing with variable-length frames
The existing architecture was modelled around fixed-length codec frame
sizes, which of course fails with multi-rate codecs such as AMR.
diff --git a/src/codec_efr.c b/src/codec_efr.c
index a42b2a7..877a9eb 100644
--- a/src/codec_efr.c
+++ b/src/codec_efr.c
@@ -26,6 +26,7 @@
#ifdef HAVE_OPENCORE_AMRNB
#include <stdlib.h>
+#include <assert.h>
#include <opencore-amrnb/interf_dec.h>
#include <opencore-amrnb/interf_enc.h>
@@ -64,11 +65,12 @@
}
static int
-codec_efr_encode(void *state, uint8_t *cod, const uint8_t *pcm)
+codec_efr_encode(void *state, uint8_t *cod, const uint8_t *pcm, unsigned int pcm_len)
{
struct codec_efr_state *st = state;
int rv;
+ assert(pcm_len == PCM_CANON_LEN);
BENCHMARK_START;
rv = Encoder_Interface_Encode(
st->encoder,
@@ -79,14 +81,18 @@
);
BENCHMARK_STOP(CODEC_EFR, 1);
- return rv != 32;
+ if (rv != 32)
+ return -1;
+
+ return EFR_CANON_LEN;
}
static int
-codec_efr_decode(void *state, uint8_t *pcm, const uint8_t *cod)
+codec_efr_decode(void *state, uint8_t *pcm, const uint8_t *cod, unsigned int cod_len)
{
struct codec_efr_state *st = state;
+ assert(cod_len == EFR_CANON_LEN);
BENCHMARK_START;
Decoder_Interface_Decode(
st->decoder,
@@ -96,7 +102,7 @@
);
BENCHMARK_STOP(CODEC_EFR, 0);
- return 0;
+ return PCM_CANON_LEN;
}
#endif /* HAVE_OPENCORE_AMRNB */
diff --git a/src/codec_fr.c b/src/codec_fr.c
index 182eb73..2ce44b4 100644
--- a/src/codec_fr.c
+++ b/src/codec_fr.c
@@ -17,6 +17,8 @@
* along with gapk. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <assert.h>
+
#include <gapk/codecs.h>
#include <gapk/benchmark.h>
@@ -50,28 +52,32 @@
}
static int
-codec_fr_encode(void *state, uint8_t *cod, const uint8_t *pcm)
+codec_fr_encode(void *state, uint8_t *cod, const uint8_t *pcm, unsigned int pcm_len)
{
gsm gh = (gsm)state;
- uint8_t pcm_b[2*160]; /* local copy as libgsm src isn't const ! */
- memcpy(pcm_b, pcm, 2*160);
+ uint8_t pcm_b[PCM_CANON_LEN]; /* local copy as libgsm src isn't const ! */
+ assert(pcm_len == PCM_CANON_LEN);
+ memcpy(pcm_b, pcm, PCM_CANON_LEN);
BENCHMARK_START;
gsm_encode(gh, (gsm_signal*)pcm, (gsm_byte*)cod);
BENCHMARK_STOP(CODEC_FR, 1);
- return 0;
+ return FR_CANON_LEN;
}
static int
-codec_fr_decode(void *state, uint8_t *pcm, const uint8_t *cod)
+codec_fr_decode(void *state, uint8_t *pcm, const uint8_t *cod, unsigned int cod_len)
{
gsm gh = (gsm)state;
- uint8_t cod_b[33]; /* local copy as libgsm src isn't const ! */
+ uint8_t cod_b[FR_CANON_LEN]; /* local copy as libgsm src isn't const ! */
int rc;
- memcpy(cod_b, cod, 33);
+ assert(cod_len == FR_CANON_LEN);
+ memcpy(cod_b, cod, FR_CANON_LEN);
BENCHMARK_START;
rc = gsm_decode(gh, (gsm_byte*)cod_b, (gsm_signal*)pcm);
BENCHMARK_STOP(CODEC_FR, 1);
- return rc;
+ if (rc < 0)
+ return rc;
+ return PCM_CANON_LEN;
}
#endif /* HAVE_LIBGSM */
diff --git a/src/codec_hr.c b/src/codec_hr.c
index 4377f19..0b16985 100644
--- a/src/codec_hr.c
+++ b/src/codec_hr.c
@@ -17,6 +17,8 @@
* along with gapk. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <assert.h>
+
#include <gapk/codecs.h>
#include <gapk/benchmark.h>
@@ -41,25 +43,31 @@
}
static int
-codec_hr_encode(void *_state, uint8_t *cod, const uint8_t *pcm)
+codec_hr_encode(void *_state, uint8_t *cod, const uint8_t *pcm, unsigned int pcm_len)
{
struct gsmhr *state = _state;
int rc;
+ assert(pcm_len == PCM_CANON_LEN);
BENCHMARK_START;
rc = gsmhr_encode(state, (int16_t *)cod, (const int16_t *)pcm);
BENCHMARK_STOP(CODEC_HR, 1);
- return rc;
+ if (rc < 0)
+ return rc;
+ return HR_CANON_LEN;
}
static int
-codec_hr_decode(void *_state, uint8_t *pcm, const uint8_t *cod)
+codec_hr_decode(void *_state, uint8_t *pcm, const uint8_t *cod, unsigned int cod_len)
{
struct gsmhr *state = _state;
int rc;
+ assert(cod_len == HR_CANON_LEN);
BENCHMARK_START;
rc = gsmhr_decode(state, (int16_t *)pcm, (const int16_t *)cod);
BENCHMARK_STOP(CODEC_HR, 0);
- return rc;
+ if (rc < 0)
+ return rc;
+ return PCM_CANON_LEN;
}
#endif /* HAVE_LIBGSMHR */
diff --git a/src/fmt_amr.c b/src/fmt_amr.c
index 2990d7c..e28024c 100644
--- a/src/fmt_amr.c
+++ b/src/fmt_amr.c
@@ -18,6 +18,7 @@
*/
#include <stdint.h>
+#include <assert.h>
#include <osmocom/codec/codec.h>
@@ -25,13 +26,16 @@
#include <gapk/formats.h>
#include <gapk/utils.h>
+#define EFR_LEN 32
/* conversion function: .amr file -> canonical format */
static int
-amr_efr_from_canon(uint8_t *dst, const uint8_t *src)
+amr_efr_from_canon(uint8_t *dst, const uint8_t *src, unsigned int src_len)
{
int i;
+ assert(src_len == EFR_CANON_LEN);
+
dst[ 0] = 0x3c;
dst[31] = 0x00; /* last nibble won't written, pre-clear it */
@@ -41,15 +45,17 @@
msb_put_bit(&dst[1], di, msb_get_bit(src, si));
}
- return 0;
+ return EFR_LEN;
}
/* conversion function: canonical format -> .amr file */
static int
-amr_efr_to_canon(uint8_t *dst, const uint8_t *src)
+amr_efr_to_canon(uint8_t *dst, const uint8_t *src, unsigned int src_len)
{
int i;
+ assert(src_len == EFR_LEN);
+
if (src[0] != 0x3c)
return -1;
@@ -61,7 +67,7 @@
msb_put_bit(dst, di, msb_get_bit(&src[1], si));
}
- return 0;
+ return EFR_CANON_LEN;
}
const struct format_desc fmt_amr_efr = {
@@ -70,7 +76,7 @@
.name = "amr-efr",
.description = "Classic .amr file containing EFR (=AMR 12.2k) data",
- .frame_len = 32,
+ .frame_len = EFR_LEN,
.conv_from_canon = amr_efr_from_canon,
.conv_to_canon = amr_efr_to_canon,
diff --git a/src/fmt_gsm.c b/src/fmt_gsm.c
index 8156bee..604b865 100644
--- a/src/fmt_gsm.c
+++ b/src/fmt_gsm.c
@@ -17,36 +17,41 @@
* along with gapk. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <assert.h>
#include <gapk/codecs.h>
#include <gapk/formats.h>
-
+#define GSM_LEN 33
#define GSM_MAGIC 0xd
/* convert canonical -> .gsm */
static int
-gsm_from_canon(uint8_t *dst, const uint8_t *src)
+gsm_from_canon(uint8_t *dst, const uint8_t *src, unsigned int src_len)
{
int i;
+ assert(src_len == FR_CANON_LEN);
+
dst[0] = (GSM_MAGIC << 4) | (src[0] >> 4);
- for (i=1; i<33; i++)
+ for (i=1; i<GSM_LEN; i++)
dst[i] = (src[i-1] << 4) | (src[i] >> 4);
- return 0;
+ return GSM_LEN;
}
/* convert .gsm -> canonical */
static int
-gsm_to_canon(uint8_t *dst, const uint8_t *src)
+gsm_to_canon(uint8_t *dst, const uint8_t *src, unsigned int src_len)
{
int i;
- for (i=0; i<32; i++)
- dst[i] = (src[i] << 4) | (src[i+1] >> 4);
- dst[32] = src[32] << 4;
+ assert(src_len == GSM_LEN);
- return 0;
+ for (i=0; i<(GSM_LEN-1); i++)
+ dst[i] = (src[i] << 4) | (src[i+1] >> 4);
+ dst[GSM_LEN-1] = src[GSM_LEN-1] << 4;
+
+ return FR_CANON_LEN;
}
const struct format_desc fmt_gsm = {
@@ -55,7 +60,7 @@
.name = "gsm",
.description = "Classic .gsm file format",
- .frame_len = 33,
+ .frame_len = GSM_LEN,
.conv_from_canon = gsm_from_canon,
.conv_to_canon = gsm_to_canon,
};
diff --git a/src/fmt_hr_ref.c b/src/fmt_hr_ref.c
index 7a96d3e..32e8d48 100644
--- a/src/fmt_hr_ref.c
+++ b/src/fmt_hr_ref.c
@@ -20,10 +20,14 @@
* along with gapk. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <assert.h>
+
#include <gapk/codecs.h>
#include <gapk/formats.h>
#include <gapk/utils.h>
+#define HR_REF_DEC_LEN (22 * sizeof(uint16_t))
+#define HR_REF_ENC_LEN (20 * sizeof(uint16_t))
static const int params_unvoiced[] = {
5, /* R0 */
@@ -122,11 +126,13 @@
}
static int
-hr_ref_dec_from_canon(uint8_t *dst, const uint8_t *src)
+hr_ref_dec_from_canon(uint8_t *dst, const uint8_t *src, unsigned int src_len)
{
uint16_t *hr_ref = (uint16_t *)dst;
int rv;
+ assert(src_len == HR_CANON_LEN);
+
rv = hr_ref_from_canon(hr_ref, src);
if (rv)
return rv;
@@ -136,28 +142,32 @@
hr_ref[20] = 0; /* SID : 2 bit */
hr_ref[21] = 0; /* TAF : 1 bit */
- return 0;
+ return HR_REF_DEC_LEN;
}
static int
-hr_ref_dec_to_canon(uint8_t *dst, const uint8_t *src)
+hr_ref_dec_to_canon(uint8_t *dst, const uint8_t *src, unsigned int src_len)
{
const uint16_t *hr_ref = (const uint16_t *)src;
int rv;
+ assert(src_len == HR_REF_DEC_LEN);
+
rv = hr_ref_to_canon(dst, hr_ref);
if (rv)
return rv;
- return 0;
+ return HR_CANON_LEN;
}
static int
-hr_ref_enc_from_canon(uint8_t *dst, const uint8_t *src)
+hr_ref_enc_from_canon(uint8_t *dst, const uint8_t *src, unsigned int src_len)
{
uint16_t *hr_ref = (uint16_t *)dst;
int rv;
+ assert(src_len == HR_CANON_LEN);
+
rv = hr_ref_from_canon(hr_ref, src);
if (rv)
return rv;
@@ -165,20 +175,22 @@
hr_ref[18] = 0; /* SP : 1 bit */
hr_ref[19] = 0; /* VAD : 1 bit */
- return 0;
+ return HR_REF_ENC_LEN;
}
static int
-hr_ref_enc_to_canon(uint8_t *dst, const uint8_t *src)
+hr_ref_enc_to_canon(uint8_t *dst, const uint8_t *src, unsigned int src_len)
{
const uint16_t *hr_ref = (const uint16_t *)src;
int rv;
+ assert(src_len == HR_REF_ENC_LEN);
+
rv = hr_ref_to_canon(dst, hr_ref);
if (rv)
return rv;
- return 0;
+ return HR_CANON_LEN;
}
@@ -188,7 +200,7 @@
.name = "hr-ref-dec",
.description = "3GPP HR Reference decoder code parameters file format",
- .frame_len = 22 * sizeof(uint16_t),
+ .frame_len = HR_REF_DEC_LEN,
.conv_from_canon = hr_ref_dec_from_canon,
.conv_to_canon = hr_ref_dec_to_canon,
};
@@ -199,7 +211,7 @@
.name = "hr-ref-enc",
.description = "3GPP HR Reference encoder code parameters file format",
- .frame_len = 20 * sizeof(uint16_t),
+ .frame_len = HR_REF_ENC_LEN,
.conv_from_canon = hr_ref_enc_from_canon,
.conv_to_canon = hr_ref_enc_to_canon,
};
diff --git a/src/fmt_racal.c b/src/fmt_racal.c
index 65f810f..1dbc61d 100644
--- a/src/fmt_racal.c
+++ b/src/fmt_racal.c
@@ -18,6 +18,7 @@
*/
#include <stdint.h>
+#include <assert.h>
#include <osmocom/codec/codec.h>
@@ -25,13 +26,18 @@
#include <gapk/formats.h>
#include <gapk/utils.h>
+#define RACAL_HR_LEN 14
+#define RACAL_FR_LEN 33
+#define RACAL_EFR_LEN 31
static int
-racal_hr_from_canon(uint8_t *dst, const uint8_t *src)
+racal_hr_from_canon(uint8_t *dst, const uint8_t *src, unsigned int src_len)
{
int i, voiced;
const uint16_t *bit_mapping;
+ assert(src_len == HR_CANON_LEN);
+
voiced = (msb_get_bit(src, 34) << 1) | msb_get_bit(src, 35);
bit_mapping = voiced ?
@@ -44,15 +50,17 @@
lsb_put_bit(dst, di, msb_get_bit(src, si));
}
- return 0;
+ return RACAL_HR_LEN;
}
static int
-racal_hr_to_canon(uint8_t *dst, const uint8_t *src)
+racal_hr_to_canon(uint8_t *dst, const uint8_t *src, unsigned int src_len)
{
int i, voiced;
const uint16_t *bit_mapping;
+ assert(src_len == HR_CANON_LEN);
+
voiced = (lsb_get_bit(src, 94) << 1) | lsb_get_bit(src, 93);
bit_mapping = voiced ?
@@ -65,7 +73,7 @@
msb_put_bit(dst, di, lsb_get_bit(src, si));
}
- return 0;
+ return RACAL_HR_LEN;
}
const struct format_desc fmt_racal_hr = {
@@ -74,17 +82,19 @@
.name = "racal-hr",
.description = "Racal HR TCH/H recording",
- .frame_len = 14,
+ .frame_len = RACAL_HR_LEN,
.conv_from_canon = racal_hr_from_canon,
.conv_to_canon = racal_hr_to_canon,
};
static int
-racal_fr_from_canon(uint8_t *dst, const uint8_t *src)
+racal_fr_from_canon(uint8_t *dst, const uint8_t *src, unsigned int src_len)
{
int i;
+ assert(src_len == FR_CANON_LEN);
+
dst[32] = 0x00; /* last nibble won't written, pre-clear it */
for (i=0; i<260; i++) {
@@ -93,14 +103,16 @@
lsb_put_bit(dst, di, msb_get_bit(src, si));
}
- return 0;
+ return RACAL_FR_LEN;
}
static int
-racal_fr_to_canon(uint8_t *dst, const uint8_t *src)
+racal_fr_to_canon(uint8_t *dst, const uint8_t *src, unsigned int src_len)
{
int i;
+ assert(src_len == RACAL_FR_LEN);
+
dst[32] = 0x00; /* last nibble won't written, pre-clear it */
for (i=0; i<260; i++) {
@@ -109,7 +121,7 @@
msb_put_bit(dst, di, lsb_get_bit(src, si));
}
- return 0;
+ return FR_CANON_LEN;
}
const struct format_desc fmt_racal_fr = {
@@ -118,36 +130,40 @@
.name = "racal-fr",
.description = "Racal FR TCH/F recording",
- .frame_len = 33,
+ .frame_len = RACAL_FR_LEN,
.conv_from_canon = racal_fr_from_canon,
.conv_to_canon = racal_fr_to_canon,
};
static int
-racal_efr_from_canon(uint8_t *dst, const uint8_t *src)
+racal_efr_from_canon(uint8_t *dst, const uint8_t *src, unsigned int src_len)
{
int i;
+ assert(src_len == EFR_CANON_LEN);
+
dst[30] = 0x00; /* last nibble won't written, pre-clear it */
for (i=0; i<244; i++)
lsb_put_bit(dst, i, msb_get_bit(src, i));
- return 0;
+ return RACAL_EFR_LEN;
}
static int
-racal_efr_to_canon(uint8_t *dst, const uint8_t *src)
+racal_efr_to_canon(uint8_t *dst, const uint8_t *src, unsigned int src_len)
{
int i;
+ assert(src_len == RACAL_EFR_LEN);
+
dst[30] = 0x00; /* last nibble won't written, pre-clear it */
for (i=0; i<244; i++)
msb_put_bit(dst, i, lsb_get_bit(src, i));
- return 0;
+ return EFR_CANON_LEN;
}
const struct format_desc fmt_racal_efr = {
@@ -156,7 +172,7 @@
.name = "racal-efr",
.description = "Racal EFR TCH/F recording",
- .frame_len = 31,
+ .frame_len = RACAL_EFR_LEN,
.conv_from_canon = racal_efr_from_canon,
.conv_to_canon = racal_efr_to_canon,
};
diff --git a/src/fmt_rawpcm.c b/src/fmt_rawpcm.c
index e20fcaf..207708c 100644
--- a/src/fmt_rawpcm.c
+++ b/src/fmt_rawpcm.c
@@ -17,35 +17,40 @@
* along with gapk. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <assert.h>
+
#include <gapk/codecs.h>
#include <gapk/formats.h>
-
static int
-rawpcm_s16le_from_canon(uint8_t *dst, const uint8_t *src)
+rawpcm_s16le_from_canon(uint8_t *dst, const uint8_t *src, unsigned int src_len)
{
int i;
const uint16_t *samples = (const uint16_t *)src;
+ assert(src_len == PCM_CANON_LEN);
+
for (i=0; i<160; i++) {
uint16_t w = samples[i];
dst[(i<<1) ] = w & 0xff;
dst[(i<<1)+1] = (w >> 8) & 0xff;
}
- return 0;
+ return PCM_CANON_LEN;
}
static int
-rawpcm_s16le_to_canon(uint8_t *dst, const uint8_t *src)
+rawpcm_s16le_to_canon(uint8_t *dst, const uint8_t *src, unsigned int src_len)
{
int i;
uint16_t *samples = (uint16_t *)dst;
+ assert(src_len == PCM_CANON_LEN);
+
for (i=0; i<160; i++)
samples[i] = (src[(i<<1)+1] << 8) | src[(i<<1)];
- return 0;
+ return PCM_CANON_LEN;
}
const struct format_desc fmt_rawpcm_s16le = {
diff --git a/src/fmt_ti.c b/src/fmt_ti.c
index 646c74a..627593c 100644
--- a/src/fmt_ti.c
+++ b/src/fmt_ti.c
@@ -26,6 +26,7 @@
#include <stdint.h>
#include <string.h>
+#include <assert.h>
#include <osmocom/codec/codec.h>
@@ -33,14 +34,17 @@
#include <gapk/formats.h>
#include <gapk/utils.h>
+#define TI_LEN 33
static int
-ti_hr_from_canon(uint8_t *dst, const uint8_t *src)
+ti_hr_from_canon(uint8_t *dst, const uint8_t *src, unsigned int src_len)
{
int i, voiced;
const uint16_t *bit_mapping;
- memset(dst, 0x00, 33); /* Not even half the bits are written, so we pre-clear */
+ assert(src_len == HR_CANON_LEN);
+
+ memset(dst, 0x00, TI_LEN); /* Not even half the bits are written, so we pre-clear */
voiced = (msb_get_bit(src, 34) << 1) | msb_get_bit(src, 35);
@@ -54,15 +58,17 @@
lsb_put_bit(dst, di, msb_get_bit(src, si));
}
- return 0;
+ return TI_LEN;
}
static int
-ti_hr_to_canon(uint8_t *dst, const uint8_t *src)
+ti_hr_to_canon(uint8_t *dst, const uint8_t *src, unsigned int src_len)
{
int i, voiced;
const uint16_t *bit_mapping;
+ assert(src_len == TI_LEN);
+
voiced = (msb_get_bit(src, 94) << 1) | msb_get_bit(src, 93);
bit_mapping = voiced ?
@@ -75,7 +81,7 @@
msb_put_bit(dst, di, msb_get_bit(src, si));
}
- return 0;
+ return HR_CANON_LEN;
}
const struct format_desc fmt_ti_hr = {
@@ -84,17 +90,19 @@
.name = "ti-hr",
.description = "Texas Instrument HR TCH/H buffer format",
- .frame_len = 33,
+ .frame_len = TI_LEN,
.conv_from_canon = ti_hr_from_canon,
.conv_to_canon = ti_hr_to_canon,
};
static int
-ti_fr_from_canon(uint8_t *dst, const uint8_t *src)
+ti_fr_from_canon(uint8_t *dst, const uint8_t *src, unsigned int src_len)
{
int i;
+ assert(src_len == FR_CANON_LEN);
+
dst[22] = dst[23] = 0x00; /* some bits won't be writter, pre-clear them */
for (i=0; i<260; i++) {
@@ -103,14 +111,16 @@
msb_put_bit(dst, di, msb_get_bit(src, si));
}
- return 0;
+ return TI_LEN;
}
static int
-ti_fr_to_canon(uint8_t *dst, const uint8_t *src)
+ti_fr_to_canon(uint8_t *dst, const uint8_t *src, unsigned int src_len)
{
int i;
+ assert(src_len == TI_LEN);
+
dst[32] = 0x00; /* last nibble won't written, pre-clear it */
for (i=0; i<260; i++) {
@@ -119,7 +129,7 @@
msb_put_bit(dst, di, msb_get_bit(src, si));
}
- return 0;
+ return FR_CANON_LEN;
}
const struct format_desc fmt_ti_fr = {
@@ -128,17 +138,19 @@
.name = "ti-fr",
.description = "Texas Instrument FR TCH/F buffer format",
- .frame_len = 33,
+ .frame_len = TI_LEN,
.conv_from_canon = ti_fr_from_canon,
.conv_to_canon = ti_fr_to_canon,
};
static int
-ti_efr_from_canon(uint8_t *dst, const uint8_t *src)
+ti_efr_from_canon(uint8_t *dst, const uint8_t *src, unsigned int src_len)
{
int i;
+ assert(src_len == EFR_CANON_LEN);
+
memset(dst, 0x00, 33); /* pre-clear */
for (i=0; i<244; i++) {
@@ -169,14 +181,16 @@
msb_put_bit(dst, di, msb_get_bit(src, si));
}
- return 0;
+ return TI_LEN;
}
static int
-ti_efr_to_canon(uint8_t *dst, const uint8_t *src)
+ti_efr_to_canon(uint8_t *dst, const uint8_t *src, unsigned int src_len)
{
int i;
+ assert(src_len == TI_LEN);
+
dst[30] = 0x00; /* last nibble won't written, pre-clear it */
for (i=0; i<244; i++) {
@@ -207,7 +221,7 @@
msb_put_bit(dst, di, msb_get_bit(src, si));
}
- return 0;
+ return EFR_CANON_LEN;
}
const struct format_desc fmt_ti_efr = {
@@ -216,7 +230,7 @@
.name = "ti-efr",
.description = "Texas Instrument EFR TCH/F buffer format",
- .frame_len = 33,
+ .frame_len = TI_LEN,
.conv_from_canon = ti_efr_from_canon,
.conv_to_canon = ti_efr_to_canon,
};
diff --git a/src/pq_alsa.c b/src/pq_alsa.c
index b17faa8..563452e 100644
--- a/src/pq_alsa.c
+++ b/src/pq_alsa.c
@@ -40,20 +40,22 @@
};
static int
-pq_cb_alsa_input(void *_state, uint8_t *out, const uint8_t *in)
+pq_cb_alsa_input(void *_state, uint8_t *out, const uint8_t *in, unsigned int in_len)
{
struct pq_state_alsa *state = _state;
unsigned int num_samples = state->blk_len/2;
int rv;
rv = snd_pcm_readi(state->pcm_handle, out, num_samples);
- return rv == num_samples ? 0 : -1;
+ if (rv < 0)
+ return rv;
+ return rv * sizeof(uint16_t);
}
static int
-pq_cb_alsa_output(void *_state, uint8_t *out, const uint8_t *in)
+pq_cb_alsa_output(void *_state, uint8_t *out, const uint8_t *in, unsigned int in_len)
{
struct pq_state_alsa *state = _state;
- unsigned int num_samples = state->blk_len/2;
+ unsigned int num_samples = in_len/2;
int rv;
rv = snd_pcm_writei(state->pcm_handle, in, num_samples);
return rv == num_samples ? 0 : -1;
diff --git a/src/pq_file.c b/src/pq_file.c
index 7b9e356..dd82697 100644
--- a/src/pq_file.c
+++ b/src/pq_file.c
@@ -34,20 +34,22 @@
static int
-pq_cb_file_input(void *_state, uint8_t *out, const uint8_t *in)
+pq_cb_file_input(void *_state, uint8_t *out, const uint8_t *in, unsigned int in_len)
{
struct pq_state_file *state = _state;
int rv;
rv = fread(out, state->blk_len, 1, state->fh);
- return rv == 1 ? 0 : -1;
+ if (rv < 0)
+ return rv;
+ return rv * state->blk_len;
}
static int
-pq_cb_file_output(void *_state, uint8_t *out, const uint8_t *in)
+pq_cb_file_output(void *_state, uint8_t *out, const uint8_t *in, unsigned int in_len)
{
struct pq_state_file *state = _state;
int rv;
- rv = fwrite(in, state->blk_len, 1, state->fh);
+ rv = fwrite(in, in_len, 1, state->fh);
return rv == 1 ? 0 : -1;
}
diff --git a/src/pq_format.c b/src/pq_format.c
index 4e9515a..2089218 100644
--- a/src/pq_format.c
+++ b/src/pq_format.c
@@ -26,10 +26,10 @@
static int
-pq_cb_fmt_convert(void *_state, uint8_t *out, const uint8_t *in)
+pq_cb_fmt_convert(void *_state, uint8_t *out, const uint8_t *in, unsigned int in_len)
{
fmt_conv_cb_t f = _state;
- return f(out, in);
+ return f(out, in, in_len);
}
/*! Add format conversion to processing queue
diff --git a/src/pq_rtp.c b/src/pq_rtp.c
index 1a7edde..99e77bc 100644
--- a/src/pq_rtp.c
+++ b/src/pq_rtp.c
@@ -88,7 +88,7 @@
static int
-pq_cb_rtp_input(void *_state, uint8_t *out, const uint8_t *in)
+pq_cb_rtp_input(void *_state, uint8_t *out, const uint8_t *in, unsigned int in_len)
{
struct pq_state_rtp *state = _state;
uint8_t buf[state->blk_len+256];
@@ -153,14 +153,14 @@
memcpy(out, payload, payload_len);
- return 0;
+ return payload_len;
}
static int
-pq_cb_rtp_output(void *_state, uint8_t *out, const uint8_t *in)
+pq_cb_rtp_output(void *_state, uint8_t *out, const uint8_t *in, unsigned int in_len)
{
struct pq_state_rtp *state = _state;
- int len = state->blk_len + sizeof(struct rtp_hdr);
+ int len = in_len + sizeof(struct rtp_hdr);
uint8_t buf[len];
struct rtp_hdr *rtph = (struct rtp_hdr *)buf;
uint8_t *payload;
@@ -178,7 +178,7 @@
rtph->ssrc = htonl(state->ssrc);
payload = buf + sizeof(*rtph);
- memcpy(payload, in, state->blk_len);
+ memcpy(payload, in, in_len);
rv = write(state->fd, buf, len);
return rv == len ? 0 : -1;
diff --git a/src/procqueue.c b/src/procqueue.c
index 2451399..66c2967 100644
--- a/src/procqueue.c
+++ b/src/procqueue.c
@@ -23,7 +23,7 @@
#include <gapk/procqueue.h>
-
+#define VAR_BUF_SIZE 320
#define MAX_PQ_ITEMS 8
struct pq {
@@ -98,11 +98,16 @@
for (i=0; i<pq->n_items; i++) {
struct pq_item *item = pq->items[i];
- if (item->len_in != len_prev)
+ if (item->len_in && item->len_in != len_prev)
return -EINVAL;
if (i < (pq->n_items-1)) {
- pq->buffers[i] = malloc(item->len_out);
+ unsigned int buf_size = item->len_out;
+ /* variable-length codec output, use maximum
+ * known buffer size */
+ if (!buf_size)
+ buf_size = VAR_BUF_SIZE;
+ pq->buffers[i] = malloc(buf_size);
if (!pq->buffers[i])
return -ENOMEM;
} else{
@@ -124,8 +129,10 @@
{
int i;
void *buf_prev, *buf;
+ unsigned int len_prev;
buf_prev = NULL;
+ len_prev = 0;
for (i=0; i<pq->n_items; i++) {
int rv;
@@ -133,11 +140,14 @@
buf = i < (pq->n_items-1) ? pq->buffers[i] : NULL;
- rv = item->proc(item->state, buf, buf_prev);
- if (rv)
+ rv = item->proc(item->state, buf, buf_prev, len_prev);
+ if (rv < 0) {
+ fprintf(stderr, "pq_execute(): abort, item returned %d\n", rv);
return rv;
+ }
buf_prev = buf;
+ len_prev = rv;
}
return 0;