wmalossless: output in planar sample format

libavcodec/wmalosslessdec.c

@@ -186,9 +186,9 @@ static av_cold int decode_init(AVCodecContext *avctx)
         channel_mask       = AV_RL32(edata_ptr +  2);
         s->bits_per_sample = AV_RL16(edata_ptr);
         if (s->bits_per_sample == 16)
-            avctx->sample_fmt = AV_SAMPLE_FMT_S16;
+            avctx->sample_fmt = AV_SAMPLE_FMT_S16P;
         else if (s->bits_per_sample == 24) {
-            avctx->sample_fmt = AV_SAMPLE_FMT_S32;
+            avctx->sample_fmt = AV_SAMPLE_FMT_S32P;
             av_log_missing_feature(avctx, "bit-depth higher than 16", 0);
             return AVERROR_PATCHWELCOME;
         } else {
@@ -984,11 +984,9 @@ static int decode_subframe(WmallDecodeCtx *s)
 
         for (j = 0; j < subframe_len; j++) {
             if (s->bits_per_sample == 16) {
-                *s->samples_16[c] = (int16_t) s->channel_residues[c][j] << padding_zeroes;
-                s->samples_16[c] += s->num_channels;
+                *s->samples_16[c]++ = (int16_t) s->channel_residues[c][j] << padding_zeroes;
             } else {
-                *s->samples_32[c] = s->channel_residues[c][j] << padding_zeroes;
-                s->samples_32[c] += s->num_channels;
+                *s->samples_32[c]++ = s->channel_residues[c][j] << padding_zeroes;
             }
         }
     }
@@ -1025,8 +1023,8 @@ static int decode_frame(WmallDecodeCtx *s)
         return ret;
     }
     for (i = 0; i < s->num_channels; i++) {
-        s->samples_16[i] = (int16_t *)s->frame.data[0] + i;
-        s->samples_32[i] = (int32_t *)s->frame.data[0] + i;
+        s->samples_16[i] = (int16_t *)s->frame.extended_data[i];
+        s->samples_32[i] = (int32_t *)s->frame.extended_data[i];
     }
 
     /* get frame length */
@@ -1296,4 +1294,7 @@ AVCodec ff_wmalossless_decoder = {
     .flush          = flush,
     .capabilities   = CODEC_CAP_SUBFRAMES | CODEC_CAP_DR1 | CODEC_CAP_DELAY,
     .long_name      = NULL_IF_CONFIG_SMALL("Windows Media Audio Lossless"),
+    .sample_fmts    = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_S16P,
+                                                      AV_SAMPLE_FMT_S32P,
+                                                      AV_SAMPLE_FMT_NONE },
 };