1 files changed, 0 insertions, 279 deletions
diff --git a/gr-blocks/lib/wavfile.cc b/gr-blocks/lib/wavfile.cc
deleted file mode 100644
index 2558d5c454..0000000000
--- a/gr-blocks/lib/wavfile.cc
+++ /dev/null
@@ -1,279 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2004,2008,2012-2013,2020 Free Software Foundation, Inc.
- *
- * This file is part of GNU Radio
- *
- * SPDX-License-Identifier: GPL-3.0-or-later
- *
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <gnuradio/blocks/wavfile.h>
-#include <gnuradio/logger.h>
-#include <stdint.h>
-#include <cstring>
-
-
-namespace gr {
-namespace blocks {
-#define VALID_COMPRESSION_TYPE 0x0001
-
-// Basically, this is the opposite of htonx() and ntohx()
-// Define host to/from worknet (little endian) short and long
-#ifdef GR_IS_BIG_ENDIAN
-
-static inline uint16_t __gri_wav_bs16(uint16_t x) { return (x >> 8) | (x << 8); }
-
-static inline uint32_t __gri_wav_bs32(uint32_t x)
-{
-    return (uint32_t(__gri_wav_bs16(uint16_t(x & 0xfffful))) << 16) |
-           (__gri_wav_bs16(uint16_t(x >> 16)));
-}
-
-#define htowl(x) __gri_wav_bs32(x)
-#define wtohl(x) __gri_wav_bs32(x)
-#define htows(x) __gri_wav_bs16(x)
-#define wtohs(x) __gri_wav_bs16(x)
-
-#else
-
-#define htowl(x) uint32_t(x)
-#define wtohl(x) uint32_t(x)
-#define htows(x) uint16_t(x)
-#define wtohs(x) uint16_t(x)
-
-#endif // GR_IS_BIG_ENDIAN
-
-// WAV files are always little-endian, so we need some byte switching macros
-static inline uint32_t host_to_wav(uint32_t x) { return htowl(x); }
-static inline uint16_t host_to_wav(uint16_t x) { return htows(x); }
-static inline int16_t host_to_wav(int16_t x) { return htows(x); }
-static inline uint32_t wav_to_host(uint32_t x) { return wtohl(x); }
-static inline uint16_t wav_to_host(uint16_t x) { return wtohs(x); }
-static inline int16_t wav_to_host(int16_t x) { return wtohs(x); }
-
-bool wavheader_parse(FILE* fp, wav_header_info& info)
-{
-    // _o variables take return values
-    char str_buf[8] = { 0 };
-
-    uint32_t file_size;
-    uint32_t fmt_hdr_skip;
-    uint16_t compression_type;
-    uint16_t nchans;
-    uint32_t sample_rate;
-    uint32_t avg_bytes_per_sec;
-    uint16_t block_align;
-    uint16_t bits_per_sample;
-    uint32_t chunk_size;
-    long real_file_size;
-
-    size_t fresult;
-
-    fseek(fp, 0L, SEEK_END);
-    real_file_size = ftell(fp);
-    rewind(fp);
-
-    fresult = fread(str_buf, 1, 4, fp);
-    if (fresult != 4 || strncmp(str_buf, "RIFF", 4) || feof(fp)) {
-        return false;
-    }
-
-    fresult = fread(&file_size, 1, 4, fp);
-    file_size = wav_to_host(file_size);
-    if (fresult != 4 || file_size != real_file_size - 8L) {
-        // FIXME use predefined loggers
-        gr::logger_ptr logger, debug_logger;
-        gr::configure_default_loggers(logger, debug_logger, "wavfile");
-        GR_LOG_ERROR(logger,
-                     boost::format("invalid file size (expected: %d; actual: %d)") %
-                         (file_size + 8L) % real_file_size);
-        return false;
-    }
-
-    fresult = fread(str_buf, 1, 8, fp);
-    if (fresult != 8 || strncmp(str_buf, "WAVEfmt ", 8) || feof(fp)) {
-        return false;
-    }
-
-    fresult = fread(&fmt_hdr_skip, 1, 4, fp);
-
-    fresult = fread(&compression_type, 1, 2, fp);
-    if (wav_to_host(compression_type) != VALID_COMPRESSION_TYPE) {
-        return false;
-    }
-
-    fresult = fread(&nchans, 1, 2, fp);
-    fresult = fread(&sample_rate, 1, 4, fp);
-    fresult = fread(&avg_bytes_per_sec, 1, 4, fp);
-    fresult = fread(&block_align, 1, 2, fp);
-    fresult = fread(&bits_per_sample, 1, 2, fp);
-
-    if (ferror(fp)) {
-        return false;
-    }
-
-    fmt_hdr_skip = wav_to_host(fmt_hdr_skip);
-    nchans = wav_to_host(nchans);
-    sample_rate = wav_to_host(sample_rate);
-    bits_per_sample = wav_to_host(bits_per_sample);
-
-    if (bits_per_sample != 8 && bits_per_sample != 16) {
-        return false;
-    }
-
-    fmt_hdr_skip -= 16;
-    if (fmt_hdr_skip) {
-        if (fseek(fp, fmt_hdr_skip, SEEK_CUR) != 0) {
-            return false;
-        }
-    }
-
-    // find data chunk
-    fresult = fread(str_buf, 1, 4, fp);
-    // keep parsing chunk until we hit the data chunk
-    while (fresult != 4 || strncmp(str_buf, "data", 4)) {
-        // all good?
-        if (fresult != 4 || ferror(fp) || feof(fp)) {
-            return false;
-        }
-        // get chunk body size and skip
-        fresult = fread(&chunk_size, 1, 4, fp);
-        if (fresult != 4 || ferror(fp) || feof(fp)) {
-            return false;
-        }
-        chunk_size = wav_to_host(chunk_size);
-        if (fseek(fp, chunk_size, SEEK_CUR) != 0) {
-            return false;
-        }
-        // read next chunk type
-        fresult = fread(str_buf, 1, 4, fp);
-    }
-
-    fresult = fread(&chunk_size, 1, 4, fp);
-    if (ferror(fp)) {
-        return false;
-    }
-
-    // More byte swapping
-    chunk_size = wav_to_host(chunk_size);
-
-    // Output values
-    info.sample_rate = (unsigned)sample_rate;
-    info.nchans = (int)nchans;
-    info.bytes_per_sample = (int)(bits_per_sample / 8);
-    info.first_sample_pos = (int)ftell(fp);
-    info.samples_per_chan = (unsigned)(chunk_size / (info.bytes_per_sample * nchans));
-    info.data_chunk_size = (unsigned)chunk_size;
-
-    return true;
-}
-
-
-short int wav_read_sample(FILE* fp, int bytes_per_sample)
-{
-    int16_t buf_16bit = 0;
-
-    if (fread(&buf_16bit, bytes_per_sample, 1, fp) != 1) {
-        return 0;
-    }
-    if (bytes_per_sample == 1) {
-        return (short)buf_16bit;
-    }
-    return (short)wav_to_host(buf_16bit);
-}
-
-
-bool wavheader_write(FILE* fp, unsigned int sample_rate, int nchans, int bytes_per_sample)
-{
-    const int header_len = 44;
-    char wav_hdr[header_len] =
-        "RIFF\0\0\0\0WAVEfmt \0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0data\0\0\0";
-    uint16_t nchans_f = (uint16_t)nchans;
-    uint32_t sample_rate_f = (uint32_t)sample_rate;
-    uint16_t block_align = bytes_per_sample * nchans;
-    uint32_t avg_bytes = sample_rate * block_align;
-    uint16_t bits_per_sample = bytes_per_sample * 8;
-
-    nchans_f = host_to_wav(nchans_f);
-    sample_rate_f = host_to_wav(sample_rate_f);
-    block_align = host_to_wav(block_align);
-    avg_bytes = host_to_wav(avg_bytes);
-    bits_per_sample = host_to_wav(bits_per_sample);
-
-    wav_hdr[16] = 0x10; // no extra bytes
-    wav_hdr[20] = 0x01; // no compression
-    memcpy((void*)(wav_hdr + 22), (void*)&nchans_f, 2);
-    memcpy((void*)(wav_hdr + 24), (void*)&sample_rate_f, 4);
-    memcpy((void*)(wav_hdr + 28), (void*)&avg_bytes, 4);
-    memcpy((void*)(wav_hdr + 32), (void*)&block_align, 2);
-    memcpy((void*)(wav_hdr + 34), (void*)&bits_per_sample, 2);
-
-    fwrite(&wav_hdr, 1, header_len, fp);
-    if (ferror(fp)) {
-        return false;
-    }
-
-    return true;
-}
-
-
-void wav_write_sample(FILE* fp, short int sample, int bytes_per_sample)
-{
-    void* data_ptr;
-    unsigned char buf_8bit;
-    int16_t buf_16bit;
-
-    if (bytes_per_sample == 1) {
-        buf_8bit = (unsigned char)sample;
-        data_ptr = (void*)&buf_8bit;
-    } else {
-        buf_16bit = host_to_wav((int16_t)sample);
-        data_ptr = (void*)&buf_16bit;
-    }
-
-    fwrite(data_ptr, 1, bytes_per_sample, fp);
-}
-
-inline bool fwrite_field_32(FILE* fp, long position, uint32_t data)
-{
-    data = host_to_wav(data);
-    if (fseek(fp, position, SEEK_SET) != 0) {
-        return false;
-    }
-
-    return 4 == fwrite(&data, 1, 4, fp);
-}
-
-bool wavheader_complete(FILE* fp, unsigned first_sample_pos)
-{
-    fseek(fp, 0L, SEEK_END);
-    long real_file_size = ftell(fp);
-
-    if (first_sample_pos >= real_file_size) {
-        return false;
-    }
-
-    uint32_t field_data;
-    bool ok;
-
-    // Write "data chunk size".
-    field_data = uint32_t(real_file_size - first_sample_pos);
-    ok = fwrite_field_32(fp, first_sample_pos - 4, field_data);
-    if (!ok) {
-        return false;
-    }
-
-    // Write "total file size" - 8
-    field_data = uint32_t(real_file_size - 8);
-    ok = fwrite_field_32(fp, 4, field_data);
-
-    return ok;
-}
-
-} /* namespace blocks */
-} /* namespace gr */