snow mmx+sse2 optimizations, part 4

[ffmpeg] / libavcodec / faad.c

diff --git a/libavcodec/faad.c b/libavcodec/faad.c
index ea578930880bffd9267e7efd30c5396ae6efc610..49cc789a51ce529fb158148c9c20c7aeb9f79c89 100644 (file)
--- a/libavcodec/faad.c
+++ b/libavcodec/faad.c
@@ -15,7 +15,7 @@
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 /**
@@ -49,9 +49,8 @@ static const char* libfaadname = "libfaad.so.0";
 typedef struct {
     void* handle;               /* dlopen handle */
     void* faac_handle;          /* FAAD library handle */
-    int frame_size;
     int sample_size;
-    int flags;
+    int init;
 
     /* faad calls */
     faacDecHandle FAADAPI (*faacDecOpen)(void);
@@ -111,17 +110,20 @@ static int faac_init_mp4(AVCodecContext *avctx)
 #endif
     int r = 0;
 
-    if (avctx->extradata)
+    if (avctx->extradata){
         r = s->faacDecInit2(s->faac_handle, (uint8_t*) avctx->extradata,
                             avctx->extradata_size,
                             &samplerate, &channels);
-    // else r = s->faacDecInit(s->faac_handle ... );
-
-    if (r < 0)
-        av_log(avctx, AV_LOG_ERROR, "faacDecInit2 failed r:%d   sr:%ld  ch:%ld  s:%d\n",
-                r, samplerate, (long)channels, avctx->extradata_size);
-    avctx->sample_rate = samplerate;
-    avctx->channels = channels;
+        if (r < 0){
+            av_log(avctx, AV_LOG_ERROR,
+                   "faacDecInit2 failed r:%d   sr:%ld  ch:%ld  s:%d\n",
+                   r, samplerate, (long)channels, avctx->extradata_size);
+        } else {
+            avctx->sample_rate = samplerate;
+            avctx->channels = channels;
+            s->init = 1;
+        }
+    }
 
     return r;
 }
@@ -155,12 +157,26 @@ static int faac_decode_frame(AVCodecContext *avctx,
         ? buf_size : (int)bytesconsumed;
 #else
 
+    if(!s->init){
+        unsigned long srate;
+        unsigned char channels;
+        int r = s->faacDecInit(s->faac_handle, buf, buf_size, &srate, &channels);
+        if(r < 0){
+            av_log(avctx, AV_LOG_ERROR, "faac: codec init failed: %s\n",
+                   s->faacDecGetErrorMessage(frame_info.error));
+            return -1;
+        }
+        avctx->sample_rate = srate;
+        avctx->channels = channels;
+        s->init = 1;
+    }
+
     out = s->faacDecDecode(s->faac_handle, &frame_info, (unsigned char*)buf, (unsigned long)buf_size);
 
     if (frame_info.error > 0) {
         av_log(avctx, AV_LOG_ERROR, "faac: frame decoding failed: %s\n",
                 s->faacDecGetErrorMessage(frame_info.error));
-        return 0;
+        return -1;
     }
 
     frame_info.samples *= s->sample_size;