[FFmpeg-cvslog] qcelp: decode directly to the user-provided AVFrame

Justin Ruggles git at videolan.org
Wed Feb 13 12:27:37 CET 2013


ffmpeg | branch: master | Justin Ruggles <justin.ruggles at gmail.com> | Sun Dec 23 19:43:11 2012 -0500| [1b9b6d6e5ea556b6d307f9d473f54f6406fdc3c8] | committer: Justin Ruggles

qcelp: decode directly to the user-provided AVFrame

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1b9b6d6e5ea556b6d307f9d473f54f6406fdc3c8
---

 libavcodec/qcelpdec.c |   14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/libavcodec/qcelpdec.c b/libavcodec/qcelpdec.c
index 59220d53..9c7855d 100644
--- a/libavcodec/qcelpdec.c
+++ b/libavcodec/qcelpdec.c
@@ -53,7 +53,6 @@ typedef enum {
 } qcelp_packet_rate;
 
 typedef struct {
-    AVFrame           avframe;
     GetBitContext     gb;
     qcelp_packet_rate bitrate;
     QCELPFrame        frame;    /**< unpacked data frame */
@@ -97,9 +96,6 @@ static av_cold int qcelp_decode_init(AVCodecContext *avctx)
     for (i = 0; i < 10; i++)
         q->prev_lspf[i] = (i + 1) / 11.;
 
-    avcodec_get_frame_defaults(&q->avframe);
-    avctx->coded_frame = &q->avframe;
-
     return 0;
 }
 
@@ -690,6 +686,7 @@ static int qcelp_decode_frame(AVCodecContext *avctx, void *data,
     const uint8_t *buf = avpkt->data;
     int buf_size       = avpkt->size;
     QCELPContext *q    = avctx->priv_data;
+    AVFrame *frame     = data;
     float *outbuffer;
     int   i, ret;
     float quantized_lspf[10], lpc[10];
@@ -697,12 +694,12 @@ static int qcelp_decode_frame(AVCodecContext *avctx, void *data,
     float *formant_mem;
 
     /* get output buffer */
-    q->avframe.nb_samples = 160;
-    if ((ret = ff_get_buffer(avctx, &q->avframe)) < 0) {
+    frame->nb_samples = 160;
+    if ((ret = ff_get_buffer(avctx, frame)) < 0) {
         av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
         return ret;
     }
-    outbuffer = (float *)q->avframe.data[0];
+    outbuffer = (float *)frame->data[0];
 
     if ((q->bitrate = determine_bitrate(avctx, buf_size, &buf)) == I_F_Q) {
         warn_insufficient_frame_quality(avctx, "bitrate cannot be determined.");
@@ -785,8 +782,7 @@ erasure:
     memcpy(q->prev_lspf, quantized_lspf, sizeof(q->prev_lspf));
     q->prev_bitrate  = q->bitrate;
 
-    *got_frame_ptr   = 1;
-    *(AVFrame *)data = q->avframe;
+    *got_frame_ptr = 1;
 
     return buf_size;
 }



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