X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Foutput%2Fwav.c;h=732fe976f0df420c2cae8b8e4b9a935ca0201b45;hb=2622b4297fd4cc4bed5c06bb6ae0aaa8b40e0ece;hp=f991cbfdc68526d9fea8754ad200565b712076a9;hpb=17124cf9adf2b1017180bab854bf8a2d50639e0b;p=libsigrok.git diff --git a/src/output/wav.c b/src/output/wav.c index f991cbfd..732fe976 100644 --- a/src/output/wav.c +++ b/src/output/wav.c @@ -46,7 +46,7 @@ static int realloc_chanbufs(const struct sr_output *o, int size) outc = o->priv; for (i = 0; i < outc->num_channels; i++) { - if (!(outc->chanbuf[i] = g_try_realloc(outc->chanbuf[i], sizeof(float) * size))) { + if (!(outc->chanbuf[i] = g_try_realloc(outc->chanbuf[i], sizeof(float) * size))) { sr_err("Unable to allocate enough output buffer memory."); return SR_ERR; } @@ -186,9 +186,9 @@ static GString *gen_header(const struct sr_output *o) */ static void float_to_le(uint8_t *buf, float value) { - char *old; + uint8_t *old; - old = (char *)&value; + old = (uint8_t *)&value; #ifdef WORDS_BIGENDIAN buf[0] = old[3]; buf[1] = old[2]; @@ -219,9 +219,10 @@ static int check_chanbuf_size(const struct sr_output *o) /* Nothing in all the buffers yet. */ size = -1; break; - } else + } else { /* New high water mark. */ size = outc->chanbuf_used[i]; + } } else if (outc->chanbuf_used[i] != size) { /* All channel buffers are not equally full yet. */ size = -1; @@ -237,7 +238,6 @@ static int receive(const struct sr_output *o, const struct sr_datafeed_packet *p { struct out_context *outc; const struct sr_datafeed_meta *meta; - const struct sr_datafeed_analog_old *analog_old; const struct sr_datafeed_analog *analog; const struct sr_config *src; struct sr_channel *ch; @@ -262,33 +262,24 @@ static int receive(const struct sr_output *o, const struct sr_datafeed_packet *p outc->samplerate = g_variant_get_uint64(src->data); } break; - case SR_DF_ANALOG_OLD: case SR_DF_ANALOG: if (!outc->header_done) { *out = gen_header(o); outc->header_done = TRUE; - } else + } else { *out = g_string_sized_new(512); + } - analog_old = packet->payload; analog = packet->payload; - - if (packet->type == SR_DF_ANALOG_OLD) { - num_samples = analog_old->num_samples; - channels = analog_old->channels; - num_channels = g_slist_length(analog_old->channels); - data = analog_old->data; - } else { - num_samples = analog->num_samples; - channels = analog->meaning->channels; - num_channels = g_slist_length(analog->meaning->channels); - if (!(data = g_try_realloc(outc->fdata, sizeof(float) * num_samples * num_channels))) - return SR_ERR_MALLOC; - outc->fdata = data; - ret = sr_analog_to_float(analog, data); - if (ret != SR_OK) - return ret; - } + num_samples = analog->num_samples; + channels = analog->meaning->channels; + num_channels = g_slist_length(analog->meaning->channels); + if (!(data = g_try_realloc(outc->fdata, sizeof(float) * num_samples * num_channels))) + return SR_ERR_MALLOC; + outc->fdata = data; + ret = sr_analog_to_float(analog, data); + if (ret != SR_OK) + return ret; if (num_samples == 0) return SR_OK; @@ -300,7 +291,7 @@ static int receive(const struct sr_output *o, const struct sr_datafeed_packet *p } if (num_samples > outc->chanbuf_size) { - if (realloc_chanbufs(o, analog_old->num_samples) != SR_OK) + if (realloc_chanbufs(o, analog->num_samples) != SR_OK) return SR_ERR_MALLOC; } @@ -316,7 +307,7 @@ static int receive(const struct sr_output *o, const struct sr_datafeed_packet *p idx = chan_idx[j]; buf = outc->chanbuf[idx] + outc->chanbuf_used[idx]++ * 4; f = data[i * num_channels + j]; - if (outc->scale != 0.0) + if (outc->scale != 1.0) f /= outc->scale; float_to_le(buf, f); } @@ -349,7 +340,7 @@ static struct sr_option options[] = { static const struct sr_option *get_options(void) { if (!options[0].def) - options[0].def = g_variant_ref_sink(g_variant_new_double(0.0)); + options[0].def = g_variant_ref_sink(g_variant_new_double(1.0)); return options; } @@ -376,7 +367,7 @@ static int cleanup(struct sr_output *o) SR_PRIV struct sr_output_module output_wav = { .id = "wav", .name = "WAV", - .desc = "Microsoft WAV file format", + .desc = "Microsoft WAV file format data", .exts = (const char*[]){"wav", NULL}, .flags = 0, .options = get_options,