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-rw-r--r--3rdparty/minimp3/minimp3_ex.h392
1 files changed, 0 insertions, 392 deletions
diff --git a/3rdparty/minimp3/minimp3_ex.h b/3rdparty/minimp3/minimp3_ex.h
deleted file mode 100644
index 9e370e2c0ed..00000000000
--- a/3rdparty/minimp3/minimp3_ex.h
+++ /dev/null
@@ -1,392 +0,0 @@
-#ifndef MINIMP3_EXT_H
-#define MINIMP3_EXT_H
-/*
- https://github.com/lieff/minimp3
- To the extent possible under law, the author(s) have dedicated all copyright and related and neighboring rights to this software to the public domain worldwide.
- This software is distributed without any warranty.
- See <http://creativecommons.org/publicdomain/zero/1.0/>.
-*/
-#include "minimp3.h"
-
-#define MP3D_SEEK_TO_BYTE 0
-#define MP3D_SEEK_TO_SAMPLE 1
-#define MP3D_SEEK_TO_SAMPLE_INDEXED 2
-
-typedef struct
-{
- mp3d_sample_t *buffer;
- size_t samples; /* channels included, byte size = samples*sizeof(int16_t) */
- int channels, hz, layer, avg_bitrate_kbps, frame_bytes;
-} mp3dec_file_info_t;
-
-typedef struct
-{
- const uint8_t *buffer;
- size_t size;
-} mp3dec_map_info_t;
-
-typedef struct
-{
- mp3dec_t mp3d;
- mp3dec_map_info_t file;
- int seek_method;
-#ifndef MINIMP3_NO_STDIO
- int is_file;
-#endif
-} mp3dec_ex_t;
-
-typedef int (*MP3D_ITERATE_CB)(void *user_data, const uint8_t *frame, int frame_size, size_t offset, mp3dec_frame_info_t *info);
-typedef int (*MP3D_PROGRESS_CB)(void *user_data, size_t file_size, size_t offset, mp3dec_frame_info_t *info);
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-size_t mp3dec_skip_id3v2(const uint8_t *buf, size_t buf_size);
-
-/* decode whole buffer block */
-void mp3dec_load_buf(mp3dec_t *dec, const uint8_t *buf, size_t buf_size, mp3dec_file_info_t *info, MP3D_PROGRESS_CB progress_cb, void *user_data);
-/* iterate through frames with optional decoding */
-void mp3dec_iterate_buf(const uint8_t *buf, size_t buf_size, MP3D_ITERATE_CB callback, void *user_data);
-/* decoder with seeking capability */
-int mp3dec_ex_open_buf(mp3dec_ex_t *dec, const uint8_t *buf, size_t buf_size, int seek_method);
-void mp3dec_ex_close(mp3dec_ex_t *dec);
-void mp3dec_ex_seek(mp3dec_ex_t *dec, size_t position);
-int mp3dec_ex_read(mp3dec_ex_t *dec, int16_t *buf, int samples);
-#ifndef MINIMP3_NO_STDIO
-/* stdio versions with file pre-load */
-int mp3dec_load(mp3dec_t *dec, const char *file_name, mp3dec_file_info_t *info, MP3D_PROGRESS_CB progress_cb, void *user_data);
-int mp3dec_iterate(const char *file_name, MP3D_ITERATE_CB callback, void *user_data);
-int mp3dec_ex_open(mp3dec_ex_t *dec, const char *file_name, int seek_method);
-#endif
-
-#ifdef __cplusplus
-}
-#endif
-#endif /*MINIMP3_EXT_H*/
-
-#ifdef MINIMP3_IMPLEMENTATION
-
-size_t mp3dec_skip_id3v2(const uint8_t *buf, size_t buf_size)
-{
- if (buf_size > 10 && !strncmp((char *)buf, "ID3", 3))
- {
- return (((buf[6] & 0x7f) << 21) | ((buf[7] & 0x7f) << 14) |
- ((buf[8] & 0x7f) << 7) | (buf[9] & 0x7f)) + 10;
- }
- return 0;
-}
-
-void mp3dec_load_buf(mp3dec_t *dec, const uint8_t *buf, size_t buf_size, mp3dec_file_info_t *info, MP3D_PROGRESS_CB progress_cb, void *user_data)
-{
- size_t orig_buf_size = buf_size;
- mp3d_sample_t pcm[MINIMP3_MAX_SAMPLES_PER_FRAME];
- mp3dec_frame_info_t frame_info;
- memset(info, 0, sizeof(*info));
- memset(&frame_info, 0, sizeof(frame_info));
- /* skip id3v2 */
- size_t id3v2size = mp3dec_skip_id3v2(buf, buf_size);
- if (id3v2size > buf_size)
- return;
- buf += id3v2size;
- buf_size -= id3v2size;
- /* try to make allocation size assumption by first frame */
- mp3dec_init(dec);
- int samples;
- do
- {
- samples = mp3dec_decode_frame(dec, buf, buf_size, pcm, &frame_info);
- buf += frame_info.frame_bytes;
- buf_size -= frame_info.frame_bytes;
- if (samples) {
- info->frame_bytes += frame_info.frame_bytes + id3v2size;
- break;
- }
- } while (frame_info.frame_bytes);
- if (!samples)
- return;
- samples *= frame_info.channels;
- size_t allocated = (buf_size/frame_info.frame_bytes)*samples*sizeof(mp3d_sample_t) + MINIMP3_MAX_SAMPLES_PER_FRAME*sizeof(mp3d_sample_t);
- info->buffer = (mp3d_sample_t*)malloc(allocated);
- if (!info->buffer)
- return;
- info->samples = samples;
- memcpy(info->buffer, pcm, info->samples*sizeof(mp3d_sample_t));
- /* save info */
- info->channels = frame_info.channels;
- info->hz = frame_info.hz;
- info->layer = frame_info.layer;
- size_t avg_bitrate_kbps = frame_info.bitrate_kbps;
- size_t frames = 1;
- /* decode rest frames */
- int frame_bytes;
- do
- {
- if ((allocated - info->samples*sizeof(mp3d_sample_t)) < MINIMP3_MAX_SAMPLES_PER_FRAME*sizeof(mp3d_sample_t))
- {
- allocated *= 2;
- info->buffer = (mp3d_sample_t*)realloc(info->buffer, allocated);
- }
- samples = mp3dec_decode_frame(dec, buf, buf_size, info->buffer + info->samples, &frame_info);
- frame_bytes = frame_info.frame_bytes;
- buf += frame_bytes;
- buf_size -= frame_bytes;
- if (samples)
- {
- info->frame_bytes += frame_info.frame_bytes;
-
- if (info->hz != frame_info.hz || info->layer != frame_info.layer)
- break;
- if (info->channels && info->channels != frame_info.channels)
-#ifdef MINIMP3_ALLOW_MONO_STEREO_TRANSITION
- info->channels = 0; /* mark file with mono-stereo transition */
-#else
- break;
-#endif
-
- info->samples += samples*frame_info.channels;
- avg_bitrate_kbps += frame_info.bitrate_kbps;
- frames++;
- if (progress_cb)
- progress_cb(user_data, orig_buf_size, orig_buf_size - buf_size, &frame_info);
- }
- } while (frame_bytes);
- /* reallocate to normal buffer size */
- if (allocated != info->samples*sizeof(mp3d_sample_t))
- info->buffer = (mp3d_sample_t*)realloc(info->buffer, info->samples*sizeof(mp3d_sample_t));
- info->avg_bitrate_kbps = avg_bitrate_kbps/frames;
-}
-
-void mp3dec_iterate_buf(const uint8_t *buf, size_t buf_size, MP3D_ITERATE_CB callback, void *user_data)
-{
- if (!callback)
- return;
- mp3dec_frame_info_t frame_info;
- memset(&frame_info, 0, sizeof(frame_info));
- /* skip id3v2 */
- size_t id3v2size = mp3dec_skip_id3v2(buf, buf_size);
- if (id3v2size > buf_size)
- return;
- const uint8_t *orig_buf = buf;
- buf += id3v2size;
- buf_size -= id3v2size;
- do
- {
- int free_format_bytes = 0, frame_size = 0;
- int i = mp3d_find_frame(buf, buf_size, &free_format_bytes, &frame_size);
- buf += i;
- buf_size -= i;
- if (i && !frame_size)
- continue;
- if (!frame_size)
- break;
- const uint8_t *hdr = buf;
- frame_info.channels = HDR_IS_MONO(hdr) ? 1 : 2;
- frame_info.hz = hdr_sample_rate_hz(hdr);
- frame_info.layer = 4 - HDR_GET_LAYER(hdr);
- frame_info.bitrate_kbps = hdr_bitrate_kbps(hdr);
- frame_info.frame_bytes = frame_size;
-
- if (callback(user_data, hdr, frame_size, hdr - orig_buf, &frame_info))
- break;
- buf += frame_size;
- buf_size -= frame_size;
- } while (1);
-}
-
-int mp3dec_ex_open_buf(mp3dec_ex_t *dec, const uint8_t *buf, size_t buf_size, int seek_method)
-{
- memset(dec, 0, sizeof(*dec));
- dec->file.buffer = buf;
- dec->file.size = buf_size;
- dec->seek_method = seek_method;
- mp3dec_init(&dec->mp3d);
- return 0;
-}
-
-/*void mp3dec_ex_seek(mp3dec_ex_t *dec, size_t position)
-{
-}
-
-int mp3dec_ex_read(mp3dec_ex_t *dec, int16_t *buf, int samples)
-{
- return 0;
-}*/
-
-#ifndef MINIMP3_NO_STDIO
-
-#if defined(__linux__) || defined(__FreeBSD__)
-#include <errno.h>
-#include <sys/mman.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <fcntl.h>
-#if !defined(MAP_POPULATE) && defined(__linux__)
-#define MAP_POPULATE 0x08000
-#elif !defined(MAP_POPULATE)
-#define MAP_POPULATE 0
-#endif
-
-static void mp3dec_close_file(mp3dec_map_info_t *map_info)
-{
- if (map_info->buffer && MAP_FAILED != map_info->buffer)
- munmap((void *)map_info->buffer, map_info->size);
- map_info->buffer = 0;
- map_info->size = 0;
-}
-
-static int mp3dec_open_file(const char *file_name, mp3dec_map_info_t *map_info)
-{
- int file;
- struct stat st;
- memset(map_info, 0, sizeof(*map_info));
-retry_open:
- file = open(file_name, O_RDONLY);
- if (file < 0 && (errno == EAGAIN || errno == EINTR))
- goto retry_open;
- if (file < 0 || fstat(file, &st) < 0)
- {
- close(file);
- return -1;
- }
-
- map_info->size = st.st_size;
-retry_mmap:
- map_info->buffer = (const uint8_t *)mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE | MAP_POPULATE, file, 0);
- if (MAP_FAILED == map_info->buffer && (errno == EAGAIN || errno == EINTR))
- goto retry_mmap;
- close(file);
- if (MAP_FAILED == map_info->buffer)
- return -1;
- return 0;
-}
-#elif defined(_WIN32)
-#include <windows.h>
-
-static void mp3dec_close_file(mp3dec_map_info_t *map_info)
-{
- if (map_info->buffer)
- UnmapViewOfFile(map_info->buffer);
- map_info->buffer = 0;
- map_info->size = 0;
-}
-
-static int mp3dec_open_file(const char *file_name, mp3dec_map_info_t *map_info)
-{
- memset(map_info, 0, sizeof(*map_info));
-
- HANDLE file = CreateFileA(file_name, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0);
- if (INVALID_HANDLE_VALUE == file)
- return -1;
- LARGE_INTEGER s;
- s.LowPart = GetFileSize(file, (DWORD*)&s.HighPart);
- if (s.LowPart == INVALID_FILE_SIZE && GetLastError() != NO_ERROR)
- goto error;
- map_info->size = s.QuadPart;
-
- HANDLE mapping = CreateFileMapping(file, NULL, PAGE_READONLY, 0, 0, NULL);
- if (!mapping)
- goto error;
- map_info->buffer = MapViewOfFile(mapping, FILE_MAP_READ, 0, 0, s.QuadPart);
- CloseHandle(mapping);
- if (!map_info->buffer)
- goto error;
-
- CloseHandle(file);
- return 0;
-error:
- mp3dec_close_file(map_info);
- CloseHandle(file);
- return -1;
-}
-#else
-#include <stdio.h>
-
-static void mp3dec_close_file(mp3dec_map_info_t *map_info)
-{
- if (map_info->buffer)
- free((void *)map_info->buffer);
- map_info->buffer = 0;
- map_info->size = 0;
-}
-
-static int mp3dec_open_file(const char *file_name, mp3dec_map_info_t *map_info)
-{
- memset(map_info, 0, sizeof(*map_info));
- FILE *file = fopen(file_name, "rb");
- if (!file)
- return -1;
- long size = -1;
- if (fseek(file, 0, SEEK_END))
- goto error;
- size = ftell(file);
- if (size < 0)
- goto error;
- map_info->size = (size_t)size;
- if (fseek(file, 0, SEEK_SET))
- goto error;
- map_info->buffer = (uint8_t *)malloc(map_info->size);
- if (!map_info->buffer)
- goto error;
- if (fread((void *)map_info->buffer, 1, map_info->size, file) != map_info->size)
- goto error;
- fclose(file);
- return 0;
-error:
- mp3dec_close_file(map_info);
- fclose(file);
- return -1;
-}
-#endif
-
-int mp3dec_load(mp3dec_t *dec, const char *file_name, mp3dec_file_info_t *info, MP3D_PROGRESS_CB progress_cb, void *user_data)
-{
- int ret;
- mp3dec_map_info_t map_info;
- if ((ret = mp3dec_open_file(file_name, &map_info)))
- return ret;
- mp3dec_load_buf(dec, map_info.buffer, map_info.size, info, progress_cb, user_data);
- mp3dec_close_file(&map_info);
- return 0;
-}
-
-int mp3dec_iterate(const char *file_name, MP3D_ITERATE_CB callback, void *user_data)
-{
- int ret;
- mp3dec_map_info_t map_info;
- if ((ret = mp3dec_open_file(file_name, &map_info)))
- return ret;
- mp3dec_iterate_buf(map_info.buffer, map_info.size, callback, user_data);
- mp3dec_close_file(&map_info);
- return 0;
-}
-
-void mp3dec_ex_close(mp3dec_ex_t *dec)
-{
- if (dec->is_file)
- mp3dec_close_file(&dec->file);
- else
- free((void *)dec->file.buffer);
- memset(dec, 0, sizeof(*dec));
-}
-
-int mp3dec_ex_open(mp3dec_ex_t *dec, const char *file_name, int seek_method)
-{
- int ret;
- memset(dec, 0, sizeof(*dec));
- if ((ret = mp3dec_open_file(file_name, &dec->file)))
- return ret;
- dec->seek_method = seek_method;
- dec->is_file = 1;
- mp3dec_init(&dec->mp3d);
- return 0;
-}
-#else
-void mp3dec_ex_close(mp3dec_ex_t *dec)
-{
- free((void*)dec->file.buffer);
- memset(dec, 0, sizeof(*dec));
-}
-#endif
-
-#endif /*MINIMP3_IMPLEMENTATION*/