frsh: Export information about the last RTP contract and VRES

[frescor/ffmpeg.git] / libavcodec / libvorbis.c

diff --git a/libavcodec/libvorbis.c b/libavcodec/libvorbis.c
index dcef79939f1eb631274845361376cf4de5c9baef..34b2a59127c172df0d9c13b00ce9070c557dc3d3 100644 (file)
--- a/libavcodec/libvorbis.c
+++ b/libavcodec/libvorbis.c
@@ -19,7 +19,7 @@
  */
 
 /**
- * @file oggvorbis.c
+ * @file libavcodec/libvorbis.c
  * Ogg Vorbis codec support via libvorbisenc.
  * @author Mark Hills <mark@pogo.org.uk>
  */
@@ -42,6 +42,7 @@ typedef struct OggVorbisContext {
     vorbis_block vb ;
     uint8_t buffer[BUFFER_SIZE];
     int buffer_index;
+    int eof;
 
     /* decoder */
     vorbis_comment vc ;
@@ -49,14 +50,14 @@ typedef struct OggVorbisContext {
 } OggVorbisContext ;
 
 
-static int oggvorbis_init_encoder(vorbis_info *vi, AVCodecContext *avccontext) {
+static av_cold int oggvorbis_init_encoder(vorbis_info *vi, AVCodecContext *avccontext) {
     double cfreq;
 
     if(avccontext->flags & CODEC_FLAG_QSCALE) {
         /* variable bitrate */
         if(vorbis_encode_setup_vbr(vi, avccontext->channels,
                 avccontext->sample_rate,
-                avccontext->global_quality / (float)FF_QP2LAMBDA))
+                avccontext->global_quality / (float)FF_QP2LAMBDA / 10.0))
             return -1;
     } else {
         /* constant bitrate */
@@ -136,25 +137,31 @@ static int oggvorbis_encode_frame(AVCodecContext *avccontext,
                            int buf_size, void *data)
 {
     OggVorbisContext *context = avccontext->priv_data ;
-    float **buffer ;
     ogg_packet op ;
     signed short *audio = data ;
-    int l, samples = data ? OGGVORBIS_FRAME_SIZE : 0;
-
-    buffer = vorbis_analysis_buffer(&context->vd, samples) ;
-
-    if(context->vi.channels == 1) {
-        for(l = 0 ; l < samples ; l++)
-            buffer[0][l]=audio[l]/32768.f;
-    } else {
-        for(l = 0 ; l < samples ; l++){
-            buffer[0][l]=audio[l*2]/32768.f;
-            buffer[1][l]=audio[l*2+1]/32768.f;
+    int l;
+
+    if(data) {
+        int samples = OGGVORBIS_FRAME_SIZE;
+        float **buffer ;
+
+        buffer = vorbis_analysis_buffer(&context->vd, samples) ;
+        if(context->vi.channels == 1) {
+            for(l = 0 ; l < samples ; l++)
+                buffer[0][l]=audio[l]/32768.f;
+        } else {
+            for(l = 0 ; l < samples ; l++){
+                buffer[0][l]=audio[l*2]/32768.f;
+                buffer[1][l]=audio[l*2+1]/32768.f;
+            }
         }
+        vorbis_analysis_wrote(&context->vd, samples) ;
+    } else {
+        if(!context->eof)
+            vorbis_analysis_wrote(&context->vd, 0) ;
+        context->eof = 1;
     }
 
-    vorbis_analysis_wrote(&context->vd, samples) ;
-
     while(vorbis_analysis_blockout(&context->vd, &context->vb) == 1) {
         vorbis_analysis(&context->vb, NULL);
         vorbis_bitrate_addblock(&context->vb) ;
@@ -217,4 +224,6 @@ AVCodec libvorbis_encoder = {
     oggvorbis_encode_frame,
     oggvorbis_encode_close,
     .capabilities= CODEC_CAP_DELAY,
+    .sample_fmts = (enum SampleFormat[]){SAMPLE_FMT_S16,SAMPLE_FMT_NONE},
+    .long_name= NULL_IF_CONFIG_SMALL("libvorbis Vorbis"),
 } ;