diff options
Diffstat (limited to '')
-rw-r--r-- | src/inputPlugins/mpc_plugin.c | 26 |
1 files changed, 10 insertions, 16 deletions
diff --git a/src/inputPlugins/mpc_plugin.c b/src/inputPlugins/mpc_plugin.c index 107792125..799664f2c 100644 --- a/src/inputPlugins/mpc_plugin.c +++ b/src/inputPlugins/mpc_plugin.c @@ -82,17 +82,14 @@ static mpc_int32_t mpc_getsize_cb(void * vdata) { return data->inStream->size; } -inline mpd_sint16 convertSample(MPC_SAMPLE_FORMAT sample) { +inline mpd_fixed_t convertSample(MPC_SAMPLE_FORMAT sample) { /* only doing 16-bit audio for now */ mpd_sint32 val; - const int clip_min = -1 << (16 - 1); - const int clip_max = (1 << (16 - 1)) - 1; - #ifdef MPC_FIXED_POINT - const int shift = 16 - MPC_FIXED_POINT_SCALE_SHIFT; + const int shift = 28 - MPC_FIXED_POINT_SCALE_SHIFT; - if( ssample > 0 ) { + if( shift > 0 ) { sample <<= shift; } else if ( shift < 0 ) { @@ -100,15 +97,12 @@ inline mpd_sint16 convertSample(MPC_SAMPLE_FORMAT sample) { } val = sample; #else - const int float_scale = 1 << (16 - 1); + const mpd_sint32 float_scale = 1L << 28; val = sample * float_scale; #endif - - if( val < clip_min) val = clip_min; - else if ( val > clip_max ) val = clip_max; - return val; + } static int mpc_decode(OutputBuffer * cb, DecoderControl * dc, @@ -129,7 +123,7 @@ static int mpc_decode(OutputBuffer * cb, DecoderControl * dc, int chunkpos = 0; long bitRate = 0; mpd_sint16 * s16 = (mpd_sint16 *) chunk; - float * f32 = (float *) chunk; + mpd_fixed_t * s32 = (mpd_fixed_t *) chunk; unsigned long samplePos = 0; mpc_uint32_t vbrUpdateAcc; mpc_uint32_t vbrUpdateBits; @@ -178,7 +172,7 @@ static int mpc_decode(OutputBuffer * cb, DecoderControl * dc, dc->totalTime = mpc_streaminfo_get_length(&info); dc->audioFormat.bits = 32; - dc->audioFormat.floatSamples = 1; + dc->audioFormat.fracBits = 28; dc->audioFormat.channels = info.channels; dc->audioFormat.sampleRate = info.sample_freq; @@ -221,9 +215,9 @@ static int mpc_decode(OutputBuffer * cb, DecoderControl * dc, chunkpos += 2; s16++; */ - *f32 = (float)(sample_buffer[i]); + *s32 = convertSample(sample_buffer[i]); chunkpos += 4; - f32++; + s32++; if(chunkpos >= MPC_CHUNK_SIZE) { time = ((float)samplePos) / @@ -242,7 +236,7 @@ static int mpc_decode(OutputBuffer * cb, DecoderControl * dc, chunkpos = 0; s16 = (mpd_sint16 *)chunk; - f32 = (float*)chunk; + s32 = (mpd_fixed_t *)chunk; if(dc->stop) { eof = 1; break; |