mpegvideo_enc: do not modify the input frame.

[ffmpeg] / libavcodec / wmaprodec.c

diff --git a/libavcodec/wmaprodec.c b/libavcodec/wmaprodec.c
index ac0cce16bdcb8ff33acaed507c81554567921996..b54484ea9de3dd971222d27cc3fe681ea51dd36f 100644 (file)
--- a/libavcodec/wmaprodec.c
+++ b/libavcodec/wmaprodec.c
@@ -170,7 +170,6 @@ typedef struct WMAProDecodeCtx {
     /* generic decoder variables */
     AVCodecContext*  avctx;                         ///< codec context for av_log
     AVFrame          frame;                         ///< AVFrame for decoded output
-    DSPContext       dsp;                           ///< accelerated DSP functions
     AVFloatDSPContext fdsp;
     uint8_t          frame_data[MAX_FRAMESIZE +
                       FF_INPUT_BUFFER_PADDING_SIZE];///< compressed frame data
@@ -281,7 +280,6 @@ static av_cold int decode_init(AVCodecContext *avctx)
     int num_possible_block_sizes;
 
     s->avctx = avctx;
-    ff_dsputil_init(&s->dsp, avctx);
     avpriv_float_dsp_init(&s->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
 
     init_put_bits(&s->pb, s->frame_data, MAX_FRAMESIZE);
@@ -299,7 +297,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
 
     } else {
         av_log_ask_for_sample(avctx, "Unknown extradata size\n");
-        return AVERROR_INVALIDDATA;
+        return AVERROR_PATCHWELCOME;
     }
 
     /** generic init */
@@ -533,7 +531,7 @@ static int decode_tilehdr(WMAProDecodeCtx *s)
     int c;
 
     /* Should never consume more than 3073 bits (256 iterations for the
-     * while loop when always the minimum amount of 128 samples is substracted
+     * while loop when always the minimum amount of 128 samples is subtracted
      * from missing samples in the 8 channel case).
      * 1 + BLOCK_MAX_SIZE * MAX_CHANNELS / BLOCK_MIN_SIZE * (MAX_CHANNELS  + 4)
      */
@@ -680,7 +678,7 @@ static int decode_channel_transform(WMAProDecodeCtx* s)
         if (get_bits1(&s->gb)) {
             av_log_ask_for_sample(s->avctx,
                                   "unsupported channel transform bit\n");
-            return AVERROR_INVALIDDATA;
+            return AVERROR_PATCHWELCOME;
         }
 
         for (s->num_chgroups = 0; remaining_channels &&
@@ -1046,8 +1044,8 @@ static void wmapro_window(WMAProDecodeCtx *s)
 
         winlen >>= 1;
 
-        s->dsp.vector_fmul_window(start, start, start + winlen,
-                                  window, winlen);
+        s->fdsp.vector_fmul_window(start, start, start + winlen,
+                                   window, winlen);
 
         s->channel[c].prev_block_len = s->subframe_len;
     }
@@ -1089,7 +1087,7 @@ static int decode_subframe(WMAProDecodeCtx *s)
     s->channels_for_cur_subframe = 0;
     for (i = 0; i < s->avctx->channels; i++) {
         const int cur_subframe = s->channel[i].cur_subframe;
-        /** substract already processed samples */
+        /** subtract already processed samples */
         total_samples -= s->channel[i].decoded_samples;
 
         /** and count if there are multiple subframes that match our profile */
@@ -1150,7 +1148,7 @@ static int decode_subframe(WMAProDecodeCtx *s)
     /** no idea for what the following bit is used */
     if (get_bits1(&s->gb)) {
         av_log_ask_for_sample(s->avctx, "reserved bit set\n");
-        return AVERROR_INVALIDDATA;
+        return AVERROR_PATCHWELCOME;
     }
 
 
@@ -1369,7 +1367,7 @@ static int decode_frame(WMAProDecodeCtx *s, int *got_frame_ptr)
 
     /* get output buffer */
     s->frame.nb_samples = s->samples_per_frame;
-    if ((ret = avctx->get_buffer(avctx, &s->frame)) < 0) {
+    if ((ret = ff_get_buffer(avctx, &s->frame)) < 0) {
         av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
         s->packet_loss = 1;
         return 0;