avctx->frame_size = BLKSIZE * avctx->channels;
avctx->block_align = BLKSIZE;
break;
+ case CODEC_ID_ADPCM_SWF:
+ avctx->frame_size = 4*BLKSIZE * avctx->channels;
+ break;
default:
return -1;
break;
samples += 8 * avctx->channels;
}
break;
+ case CODEC_ID_ADPCM_SWF:
+ {
+ int i;
+ PutBitContext pb;
+ init_put_bits(&pb, dst, buf_size*8);
+
+ //Store AdpcmCodeSize
+ put_bits(&pb, 2, 2); //Set 4bits flash adpcm format
+
+ //Init the encoder state
+ for(i=0; i<avctx->channels; i++){
+ put_bits(&pb, 16, samples[i] & 0xFFFF);
+ put_bits(&pb, 6, c->status[i].step_index & 0x3F);
+ c->status[i].prev_sample = (signed short)samples[i];
+ }
+
+ for (i=0 ; i<4096 ; i++) {
+ put_bits(&pb, 4, adpcm_ima_compress_sample(&c->status[0], samples[avctx->channels*i]) & 0xF);
+ if (avctx->channels == 2)
+ put_bits(&pb, 4, adpcm_ima_compress_sample(&c->status[1], samples[2*i+1]) & 0xF);
+ }
+
+ dst += (3 + 2048) * avctx->channels;
+ break;
+ }
case CODEC_ID_ADPCM_MS:
for(i=0; i<avctx->channels; i++){
int predictor=0;