X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fadpcm.c;h=c4a0a18690fa679f5a0ba697cbff6487806d68f0;hb=352bd18dff147ec1150c32a034046c6420ae1d36;hp=11eb9745c7747a5fbeb3ca950dd2b8dbd21caefc;hpb=ba94e985a33d8e0feb545b09854e711a331c5343;p=ffmpeg

diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c
index 11eb9745c77..c4a0a18690f 100644
--- a/libavcodec/adpcm.c
+++ b/libavcodec/adpcm.c
@@ -107,6 +107,9 @@ static av_cold int adpcm_decode_init(AVCodecContext * avctx)
     case AV_CODEC_ID_ADPCM_EA_XAS:
         max_channels = 6;
         break;
+    case AV_CODEC_ID_ADPCM_PSX:
+        max_channels = 8;
+        break;
     case AV_CODEC_ID_ADPCM_THP:
     case AV_CODEC_ID_ADPCM_THP_LE:
         max_channels = 14;
@@ -140,6 +143,7 @@ static av_cold int adpcm_decode_init(AVCodecContext * avctx)
     }
 
     switch(avctx->codec->id) {
+        case AV_CODEC_ID_ADPCM_AICA:
         case AV_CODEC_ID_ADPCM_IMA_QT:
         case AV_CODEC_ID_ADPCM_IMA_WAV:
         case AV_CODEC_ID_ADPCM_4XM:
@@ -518,6 +522,7 @@ static int get_nb_samples(AVCodecContext *avctx, GetByteContext *gb,
     case AV_CODEC_ID_ADPCM_IMA_OKI:
     case AV_CODEC_ID_ADPCM_IMA_WS:
     case AV_CODEC_ID_ADPCM_YAMAHA:
+    case AV_CODEC_ID_ADPCM_AICA:
         nb_samples = buf_size * 2 / ch;
         break;
     }
@@ -1377,6 +1382,21 @@ static int adpcm_decode_frame(AVCodecContext *avctx, void *data,
             *samples++ = adpcm_yamaha_expand_nibble(&c->status[st], v >> 4  );
         }
         break;
+    case AV_CODEC_ID_ADPCM_AICA:
+        if (!c->has_status) {
+            for (channel = 0; channel < avctx->channels; channel++)
+                c->status[channel].step = 0;
+            c->has_status = 1;
+        }
+        for (channel = 0; channel < avctx->channels; channel++) {
+            samples = samples_p[channel];
+            for (n = nb_samples >> 1; n > 0; n--) {
+                int v = bytestream2_get_byteu(&gb);
+                *samples++ = adpcm_yamaha_expand_nibble(&c->status[channel], v & 0x0F);
+                *samples++ = adpcm_yamaha_expand_nibble(&c->status[channel], v >> 4  );
+            }
+        }
+        break;
     case AV_CODEC_ID_ADPCM_AFC:
     {
         int samples_per_block;
@@ -1639,6 +1659,7 @@ AVCodec ff_ ## name_ ## _decoder = {                        \
 /* Note: Do not forget to add new entries to the Makefile as well. */
 ADPCM_DECODER(AV_CODEC_ID_ADPCM_4XM,         sample_fmts_s16p, adpcm_4xm,         "ADPCM 4X Movie");
 ADPCM_DECODER(AV_CODEC_ID_ADPCM_AFC,         sample_fmts_s16p, adpcm_afc,         "ADPCM Nintendo Gamecube AFC");
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_AICA,        sample_fmts_s16p, adpcm_aica,        "ADPCM Yamaha AICA");
 ADPCM_DECODER(AV_CODEC_ID_ADPCM_CT,          sample_fmts_s16,  adpcm_ct,          "ADPCM Creative Technology");
 ADPCM_DECODER(AV_CODEC_ID_ADPCM_DTK,         sample_fmts_s16p, adpcm_dtk,         "ADPCM Nintendo Gamecube DTK");
 ADPCM_DECODER(AV_CODEC_ID_ADPCM_EA,          sample_fmts_s16,  adpcm_ea,          "ADPCM Electronic Arts");
@@ -1661,7 +1682,7 @@ ADPCM_DECODER(AV_CODEC_ID_ADPCM_IMA_SMJPEG,  sample_fmts_s16,  adpcm_ima_smjpeg,
 ADPCM_DECODER(AV_CODEC_ID_ADPCM_IMA_WAV,     sample_fmts_s16p, adpcm_ima_wav,     "ADPCM IMA WAV");
 ADPCM_DECODER(AV_CODEC_ID_ADPCM_IMA_WS,      sample_fmts_both, adpcm_ima_ws,      "ADPCM IMA Westwood");
 ADPCM_DECODER(AV_CODEC_ID_ADPCM_MS,          sample_fmts_s16,  adpcm_ms,          "ADPCM Microsoft");
-ADPCM_DECODER(AV_CODEC_ID_ADPCM_PSX,         sample_fmts_s16p, adpcm_psx,         "ADPCM PSX");
+ADPCM_DECODER(AV_CODEC_ID_ADPCM_PSX,         sample_fmts_s16p, adpcm_psx,         "ADPCM Playstation");
 ADPCM_DECODER(AV_CODEC_ID_ADPCM_SBPRO_2,     sample_fmts_s16,  adpcm_sbpro_2,     "ADPCM Sound Blaster Pro 2-bit");
 ADPCM_DECODER(AV_CODEC_ID_ADPCM_SBPRO_3,     sample_fmts_s16,  adpcm_sbpro_3,     "ADPCM Sound Blaster Pro 2.6-bit");
 ADPCM_DECODER(AV_CODEC_ID_ADPCM_SBPRO_4,     sample_fmts_s16,  adpcm_sbpro_4,     "ADPCM Sound Blaster Pro 4-bit");