X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Finput%2Fwav.c;h=f2d5db0dfcc21075293c3d9350573aff820410e8;hb=c1aae90038456a61d0f9313d34e6107c3440d3e7;hp=0c23010eb6f7c5f1dab218356c54c1cf80a4a212;hpb=5e23fcab889c62864b92aa3ad6902ce3e9f5be49;p=libsigrok.git diff --git a/src/input/wav.c b/src/input/wav.c index 0c23010e..f2d5db0d 100644 --- a/src/input/wav.c +++ b/src/input/wav.c @@ -24,7 +24,7 @@ #include #include #include -#include "libsigrok.h" +#include #include "libsigrok-internal.h" #define LOG_PREFIX "input/wav" @@ -38,9 +38,9 @@ /* Expect to find the "data" chunk within this offset from the start. */ #define MAX_DATA_CHUNK_OFFSET 256 -#define WAVE_FORMAT_PCM 0x0001 -#define WAVE_FORMAT_IEEE_FLOAT 0x0003 -#define WAVE_FORMAT_EXTENSIBLE 0xfffe +#define WAVE_FORMAT_PCM_ 0x0001 +#define WAVE_FORMAT_IEEE_FLOAT_ 0x0003 +#define WAVE_FORMAT_EXTENSIBLE_ 0xfffe struct context { gboolean started; @@ -73,14 +73,13 @@ static int parse_wav_header(GString *buf, struct context *inc) return SR_ERR_DATA; } - - if (fmt_code == WAVE_FORMAT_PCM) { - } else if (fmt_code == WAVE_FORMAT_IEEE_FLOAT) { + if (fmt_code == WAVE_FORMAT_PCM_) { + } else if (fmt_code == WAVE_FORMAT_IEEE_FLOAT_) { if (unitsize != 4) { sr_err("only 32-bit floats supported."); return SR_ERR_DATA; } - } else if (fmt_code == WAVE_FORMAT_EXTENSIBLE) { + } else if (fmt_code == WAVE_FORMAT_EXTENSIBLE_) { if (buf->len < 70) /* Not enough for extensible header and next chunk. */ return SR_ERR_NA; @@ -99,11 +98,11 @@ static int parse_wav_header(GString *buf, struct context *inc) } /* Real format code is the first two bytes of the GUID. */ fmt_code = RL16(buf->str + 44); - if (fmt_code != WAVE_FORMAT_PCM && fmt_code != WAVE_FORMAT_IEEE_FLOAT) { + if (fmt_code != WAVE_FORMAT_PCM_ && fmt_code != WAVE_FORMAT_IEEE_FLOAT_) { sr_err("Only PCM and floating point samples are supported."); return SR_ERR_DATA; } - if (fmt_code == WAVE_FORMAT_IEEE_FLOAT && unitsize != 4) { + if (fmt_code == WAVE_FORMAT_IEEE_FLOAT_ && unitsize != 4) { sr_err("only 32-bit floats supported."); return SR_ERR_DATA; } @@ -161,13 +160,12 @@ static int find_data_chunk(GString *buf, int initial_offset) unsigned int offset, i; offset = initial_offset; - while(offset < MIN(MAX_DATA_CHUNK_OFFSET, buf->len)) { + while (offset < MIN(MAX_DATA_CHUNK_OFFSET, buf->len)) { if (!memcmp(buf->str + offset, "data", 4)) /* Skip into the samples. */ return offset + 8; for (i = 0; i < 4; i++) { - if (!isalpha(buf->str[offset + i]) - && !isascii(buf->str[offset + i]) + if (!isalnum(buf->str[offset + i]) && !isblank(buf->str[offset + i])) /* Doesn't look like a chunk ID. */ return -1; @@ -196,7 +194,7 @@ static void send_chunk(const struct sr_input *in, int offset, int num_samples) memset(fdata, 0, CHUNK_SIZE); total_samples = num_samples * inc->num_channels; for (samplenum = 0; samplenum < total_samples; samplenum++) { - if (inc->fmt_code == WAVE_FORMAT_PCM) { + if (inc->fmt_code == WAVE_FORMAT_PCM_) { sample = 0; memcpy(&sample, s, inc->unitsize); switch (inc->samplesize) { @@ -370,4 +368,3 @@ SR_PRIV struct sr_input_module input_wav = { .receive = receive, .end = end, }; -