LOVE/megasource
1
0
Fork 0
mirror of https://github.com/love2d/megasource.git synced 2026-08-20 20:50:52 +02:00
Code Issues Packages Projects Releases Wiki Activity

update SDL3 to latest commit

Browse Source
This commit is contained in:
Sasha Szpakowski
2024-10-06 20:30:44 -03:00
parent 1b0fdc338b
commit 9e5eb1b018
1426 changed files with 242456 additions and 103496 deletions
Download Patch File Download Diff File Expand all files Collapse all files
libs/SDL3/src/audio/SDL_wave.h
+35 -35
View File
@@ -20,21 +20,21 @@
*/
#include "SDL_internal.h"
/* RIFF WAVE files are little-endian */
// RIFF WAVE files are little-endian
/*******************************************/
/* Define values for Microsoft WAVE format */
// Define values for Microsoft WAVE format
/*******************************************/
/* FOURCC */
#define RIFF 0x46464952 /* "RIFF" */
#define WAVE 0x45564157 /* "WAVE" */
#define FACT 0x74636166 /* "fact" */
#define LIST 0x5453494c /* "LIST" */
#define BEXT 0x74786562 /* "bext" */
#define JUNK 0x4B4E554A /* "JUNK" */
#define FMT 0x20746D66 /* "fmt " */
#define DATA 0x61746164 /* "data" */
/* Format tags */
// FOURCC
#define RIFF 0x46464952 // "RIFF"
#define WAVE 0x45564157 // "WAVE"
#define FACT 0x74636166 // "fact"
#define LIST 0x5453494c // "LIST"
#define BEXT 0x74786562 // "bext"
#define JUNK 0x4B4E554A // "JUNK"
#define FMT 0x20746D66 // "fmt "
#define DATA 0x61746164 // "data"
// Format tags
#define UNKNOWN_CODE 0x0000
#define PCM_CODE 0x0001
#define MS_ADPCM_CODE 0x0002
@@ -46,30 +46,30 @@
#define MPEGLAYER3_CODE 0x0055
#define EXTENSIBLE_CODE 0xFFFE
/* Stores the WAVE format information. */
// Stores the WAVE format information.
typedef struct WaveFormat
{
Uint16 formattag; /* Raw value of the first field in the fmt chunk data. */
Uint16 encoding; /* Actual encoding, possibly from the extensible header. */
Uint16 channels; /* Number of channels. */
Uint32 frequency; /* Sampling rate in Hz. */
Uint32 byterate; /* Average bytes per second. */
Uint16 blockalign; /* Bytes per block. */
Uint16 bitspersample; /* Currently supported are 8, 16, 24, 32, and 4 for ADPCM. */
Uint16 formattag; // Raw value of the first field in the fmt chunk data.
Uint16 encoding; // Actual encoding, possibly from the extensible header.
Uint16 channels; // Number of channels.
Uint32 frequency; // Sampling rate in Hz.
Uint32 byterate; // Average bytes per second.
Uint16 blockalign; // Bytes per block.
Uint16 bitspersample; // Currently supported are 8, 16, 24, 32, and 4 for ADPCM.
/* Extra information size. Number of extra bytes starting at byte 18 in the
* fmt chunk data. This is at least 22 for the extensible header.
*/
Uint16 extsize;
/* Extensible WAVE header fields */
// Extensible WAVE header fields
Uint16 validsamplebits;
Uint32 samplesperblock; /* For compressed formats. Can be zero. Actually 16 bits in the header. */
Uint32 samplesperblock; // For compressed formats. Can be zero. Actually 16 bits in the header.
Uint32 channelmask;
Uint8 subformat[16]; /* A format GUID. */
Uint8 subformat[16]; // A format GUID.
} WaveFormat;
/* Stores information on the fact chunk. */
// Stores information on the fact chunk.
typedef struct WaveFact
{
/* Represents the state of the fact chunk in the WAVE file.
@@ -88,20 +88,20 @@ typedef struct WaveFact
* because a compressed block is usually decoded to a fixed number of
* sample frames.
*/
Uint32 samplelength; /* Raw sample length value from the fact chunk. */
Uint32 samplelength; // Raw sample length value from the fact chunk.
} WaveFact;
/* Generic struct for the chunks in the WAVE file. */
// Generic struct for the chunks in the WAVE file.
typedef struct WaveChunk
{
Uint32 fourcc; /* FOURCC of the chunk. */
Uint32 length; /* Size of the chunk data. */
Sint64 position; /* Position of the data in the stream. */
Uint8 *data; /* When allocated, this points to the chunk data. length is used for the memory allocation size. */
size_t size; /* Number of bytes in data that could be read from the stream. Can be smaller than length. */
Uint32 fourcc; // FOURCC of the chunk.
Uint32 length; // Size of the chunk data.
Sint64 position; // Position of the data in the stream.
Uint8 *data; // When allocated, this points to the chunk data. length is used for the memory allocation size.
size_t size; // Number of bytes in data that could be read from the stream. Can be smaller than length.
} WaveChunk;
/* Controls how the size of the RIFF chunk affects the loading of a WAVE file. */
// Controls how the size of the RIFF chunk affects the loading of a WAVE file.
typedef enum WaveRiffSizeHint
{
RiffSizeNoHint,
@@ -111,7 +111,7 @@ typedef enum WaveRiffSizeHint
RiffSizeMaximum
} WaveRiffSizeHint;
/* Controls how a truncated WAVE file is handled. */
// Controls how a truncated WAVE file is handled.
typedef enum WaveTruncationHint
{
TruncNoHint,
@@ -121,7 +121,7 @@ typedef enum WaveTruncationHint
TruncDropBlock
} WaveTruncationHint;
/* Controls how the fact chunk affects the loading of a WAVE file. */
// Controls how the fact chunk affects the loading of a WAVE file.
typedef enum WaveFactChunkHint
{
FactNoHint,
@@ -143,7 +143,7 @@ typedef struct WaveFile
*/
Sint64 sampleframes;
void *decoderdata; /* Some decoders require extra data for a state. */
void *decoderdata; // Some decoders require extra data for a state.
WaveRiffSizeHint riffhint;
WaveTruncationHint trunchint;