b->i_buffer /= 2;
return b;
}
+static block_t *Fl64toS16(filter_t *filter, block_t *b)
+{
+ VLC_UNUSED(filter);
+ double *src = (double *)b->p_buffer;
+ int16_t *dst = (int16_t *)src;
+ for (int i = b->i_buffer / 8; i--;) {
+ const double v = *src++;
+ /* Slow version. */
+ if (v >= 1.0)
+ *dst++ = 32767;
+ else if (v < -1.0)
+ *dst++ = -32768;
+ else
+ *dst++ = v * 32768.0;
+ }
+
+ b->i_buffer /= 4;
+ return b;
+}
static block_t *S32toFl32(filter_t *filter, block_t *b)
{
VLC_UNUSED(filter);
/* */
#define XCHG(type, a, b) \
do { type _tmp = a; a = b; b = _tmp; } while(0)
+static void Swap64(block_t *b)
+{
+ uint8_t *data = (uint8_t *)b->p_buffer;
+ for (size_t i = 0; i < b->i_buffer / 8; i++) {
+ XCHG(uint8_t, data[0], data[7]);
+ XCHG(uint8_t, data[1], data[6]);
+ XCHG(uint8_t, data[2], data[5]);
+ XCHG(uint8_t, data[3], data[4]);
+ data += 8;
+ }
+}
static void Swap32(block_t *b)
{
uint8_t *data = (uint8_t *)b->p_buffer;
vlc_fourcc_t dst;
cvt_direct_t convert;
} cvt_directs[] = {
+ { VLC_CODEC_FL64, VLC_CODEC_S16N, Fl64toS16 },
{ VLC_CODEC_FI32, VLC_CODEC_FL32, Fi32toFl32 },
{ VLC_CODEC_FI32, VLC_CODEC_S16N, Fi32toS16 },
{ VLC_CODEC_S32N, VLC_CODEC_FL32, S32toFl32 },
vlc_fourcc_t b;
cvt_swap_t convert;
} cvt_swaps[] = {
+ { VLC_CODEC_F64L, VLC_CODEC_F64B, Swap64 },
+ { VLC_CODEC_F32L, VLC_CODEC_F32B, Swap32 },
{ VLC_CODEC_S32L, VLC_CODEC_S32B, Swap32 },
{ VLC_CODEC_U32L, VLC_CODEC_U32B, Swap32 },
{ VLC_CODEC_S24L, VLC_CODEC_S24B, Swap24 },