X-Git-Url: https://git.piment-noir.org/?p=deb_ffmpeg.git;a=blobdiff_plain;f=ffmpeg%2Flibavcodec%2Fvorbisdec.c;h=fb1609920de48802680dc230ce1c80c9d48257e1;hp=354ab0e4662b0109427897df1a073773a8a328a5;hb=f6fa7814ccfe3e76514b36cf04f5cd3cb657c8cf;hpb=2ba45a602cbfa7b771effba9b11bb4245c21bc00

diff --git a/ffmpeg/libavcodec/vorbisdec.c b/ffmpeg/libavcodec/vorbisdec.c
index 354ab0e..fb16099 100644
--- a/ffmpeg/libavcodec/vorbisdec.c
+++ b/ffmpeg/libavcodec/vorbisdec.c
@@ -127,7 +127,7 @@ typedef struct vorbis_context_s {
     AVCodecContext *avctx;
     GetBitContext gb;
     VorbisDSPContext dsp;
-    AVFloatDSPContext fdsp;
+    AVFloatDSPContext *fdsp;
     FmtConvertContext fmt_conv;
 
     FFTContext mdct[2];
@@ -193,10 +193,11 @@ static void vorbis_free(vorbis_context *vc)
 
     av_freep(&vc->channel_residues);
     av_freep(&vc->saved);
+    av_freep(&vc->fdsp);
 
     if (vc->residues)
         for (i = 0; i < vc->residue_count; i++)
-            av_free(vc->residues[i].classifs);
+            av_freep(&vc->residues[i].classifs);
     av_freep(&vc->residues);
     av_freep(&vc->modes);
 
@@ -205,7 +206,7 @@ static void vorbis_free(vorbis_context *vc)
 
     if (vc->codebooks)
         for (i = 0; i < vc->codebook_count; ++i) {
-            av_free(vc->codebooks[i].codevectors);
+            av_freep(&vc->codebooks[i].codevectors);
             ff_free_vlc(&vc->codebooks[i].vlc);
         }
     av_freep(&vc->codebooks);
@@ -213,21 +214,21 @@ static void vorbis_free(vorbis_context *vc)
     if (vc->floors)
         for (i = 0; i < vc->floor_count; ++i) {
             if (vc->floors[i].floor_type == 0) {
-                av_free(vc->floors[i].data.t0.map[0]);
-                av_free(vc->floors[i].data.t0.map[1]);
-                av_free(vc->floors[i].data.t0.book_list);
-                av_free(vc->floors[i].data.t0.lsp);
+                av_freep(&vc->floors[i].data.t0.map[0]);
+                av_freep(&vc->floors[i].data.t0.map[1]);
+                av_freep(&vc->floors[i].data.t0.book_list);
+                av_freep(&vc->floors[i].data.t0.lsp);
             } else {
-                av_free(vc->floors[i].data.t1.list);
+                av_freep(&vc->floors[i].data.t1.list);
             }
         }
     av_freep(&vc->floors);
 
     if (vc->mappings)
         for (i = 0; i < vc->mapping_count; ++i) {
-            av_free(vc->mappings[i].magnitude);
-            av_free(vc->mappings[i].angle);
-            av_free(vc->mappings[i].mux);
+            av_freep(&vc->mappings[i].magnitude);
+            av_freep(&vc->mappings[i].angle);
+            av_freep(&vc->mappings[i].mux);
         }
     av_freep(&vc->mappings);
 }
@@ -992,6 +993,9 @@ static int vorbis_parse_id_hdr(vorbis_context *vc)
 
     ff_mdct_init(&vc->mdct[0], bl0, 1, -1.0);
     ff_mdct_init(&vc->mdct[1], bl1, 1, -1.0);
+    vc->fdsp = avpriv_float_dsp_alloc(vc->avctx->flags & CODEC_FLAG_BITEXACT);
+    if (!vc->fdsp)
+        return AVERROR(ENOMEM);
 
     av_dlog(NULL, " vorbis version %d \n audio_channels %d \n audio_samplerate %d \n bitrate_max %d \n bitrate_nom %d \n bitrate_min %d \n blk_0 %d blk_1 %d \n ",
             vc->version, vc->audio_channels, vc->audio_samplerate, vc->bitrate_maximum, vc->bitrate_nominal, vc->bitrate_minimum, vc->blocksize[0], vc->blocksize[1]);
@@ -1020,7 +1024,6 @@ static av_cold int vorbis_decode_init(AVCodecContext *avctx)
 
     vc->avctx = avctx;
     ff_vorbisdsp_init(&vc->dsp);
-    avpriv_float_dsp_init(&vc->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
     ff_fmt_convert_init(&vc->fmt_conv, avctx);
 
     avctx->sample_fmt = AV_SAMPLE_FMT_FLTP;
@@ -1688,7 +1691,7 @@ static int vorbis_parse_audio_packet(vorbis_context *vc, float **floor_ptr)
 
     for (j = vc->audio_channels-1;j >= 0; j--) {
         ch_res_ptr   = vc->channel_residues + res_chan[j] * blocksize / 2;
-        vc->fdsp.vector_fmul(floor_ptr[j], floor_ptr[j], ch_res_ptr, blocksize / 2);
+        vc->fdsp->vector_fmul(floor_ptr[j], floor_ptr[j], ch_res_ptr, blocksize / 2);
         mdct->imdct_half(mdct, ch_res_ptr, floor_ptr[j]);
     }
 
@@ -1705,13 +1708,13 @@ static int vorbis_parse_audio_packet(vorbis_context *vc, float **floor_ptr)
         const float *win  = vc->win[blockflag & previous_window];
 
         if (blockflag == previous_window) {
-            vc->fdsp.vector_fmul_window(ret, saved, buf, win, blocksize / 4);
+            vc->fdsp->vector_fmul_window(ret, saved, buf, win, blocksize / 4);
         } else if (blockflag > previous_window) {
-            vc->fdsp.vector_fmul_window(ret, saved, buf, win, bs0 / 4);
+            vc->fdsp->vector_fmul_window(ret, saved, buf, win, bs0 / 4);
             memcpy(ret+bs0/2, buf+bs0/4, ((bs1-bs0)/4) * sizeof(float));
         } else {
             memcpy(ret, saved, ((bs1 - bs0) / 4) * sizeof(float));
-            vc->fdsp.vector_fmul_window(ret + (bs1 - bs0) / 4, saved + (bs1 - bs0) / 4, buf, win, bs0 / 4);
+            vc->fdsp->vector_fmul_window(ret + (bs1 - bs0) / 4, saved + (bs1 - bs0) / 4, buf, win, bs0 / 4);
         }
         memcpy(saved, buf + blocksize / 4, blocksize / 4 * sizeof(float));
     }