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ffmpeg.wasm-core
Commit 0354fb7e authored by Justin Ruggles's avatar Justin Ruggles
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dpcm: use smaller data types for static tables

parent 5a54d510
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Showing with 5 additions and 5 deletions
libavcodec/dpcm.c
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...@@ -45,10 +45,10 @@ typedef struct DPCMContext { ...@@ -45,10 +45,10 @@ typedef struct DPCMContext {
int channels; int channels;
int16_t roq_square_array[256]; int16_t roq_square_array[256];
int sample[2]; ///< previous sample (for SOL_DPCM) int sample[2]; ///< previous sample (for SOL_DPCM)
const int *sol_table;//for SOL_DPCM const int8_t *sol_table; ///< delta table for SOL_DPCM
} DPCMContext; } DPCMContext;
static const int interplay_delta_table[] = { static const int16_t interplay_delta_table[] = {
0, 1, 2, 3, 4, 5, 6, 7, 0, 1, 2, 3, 4, 5, 6, 7,
8, 9, 10, 11, 12, 13, 14, 15, 8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23, 16, 17, 18, 19, 20, 21, 22, 23,
...@@ -84,17 +84,17 @@ static const int interplay_delta_table[] = { ...@@ -84,17 +84,17 @@ static const int interplay_delta_table[] = {
}; };
static const int sol_table_old[16] = { static const int8_t sol_table_old[16] = {
0x0, 0x1, 0x2, 0x3, 0x6, 0xA, 0xF, 0x15, 0x0, 0x1, 0x2, 0x3, 0x6, 0xA, 0xF, 0x15,
-0x15, -0xF, -0xA, -0x6, -0x3, -0x2, -0x1, 0x0 -0x15, -0xF, -0xA, -0x6, -0x3, -0x2, -0x1, 0x0
}; };
static const int sol_table_new[16] = { static const int8_t sol_table_new[16] = {
0x0, 0x1, 0x2, 0x3, 0x6, 0xA, 0xF, 0x15, 0x0, 0x1, 0x2, 0x3, 0x6, 0xA, 0xF, 0x15,
0x0, -0x1, -0x2, -0x3, -0x6, -0xA, -0xF, -0x15 0x0, -0x1, -0x2, -0x3, -0x6, -0xA, -0xF, -0x15
}; };
static const int sol_table_16[128] = { static const int16_t sol_table_16[128] = {
0x000, 0x008, 0x010, 0x020, 0x030, 0x040, 0x050, 0x060, 0x070, 0x080, 0x000, 0x008, 0x010, 0x020, 0x030, 0x040, 0x050, 0x060, 0x070, 0x080,
0x090, 0x0A0, 0x0B0, 0x0C0, 0x0D0, 0x0E0, 0x0F0, 0x100, 0x110, 0x120, 0x090, 0x0A0, 0x0B0, 0x0C0, 0x0D0, 0x0E0, 0x0F0, 0x100, 0x110, 0x120,
0x130, 0x140, 0x150, 0x160, 0x170, 0x180, 0x190, 0x1A0, 0x1B0, 0x1C0, 0x130, 0x140, 0x150, 0x160, 0x170, 0x180, 0x190, 0x1A0, 0x1B0, 0x1C0,
......
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