[FFmpeg-cvslog] ra144: decode directly to the user-provided AVFrame

Justin Ruggles git at videolan.org
Wed Feb 13 12:32:12 CET 2013


ffmpeg | branch: master | Justin Ruggles <justin.ruggles at gmail.com> | Sun Dec 23 19:50:54 2012 -0500| [f7e8c87c02dc9b94857b0652fd15981c2b856841] | committer: Justin Ruggles

ra144: decode directly to the user-provided AVFrame

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f7e8c87c02dc9b94857b0652fd15981c2b856841
---

 libavcodec/ra144.h    |    1 -
 libavcodec/ra144dec.c |   13 +++++--------
 2 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/libavcodec/ra144.h b/libavcodec/ra144.h
index 73f83f0..81d6964 100644
--- a/libavcodec/ra144.h
+++ b/libavcodec/ra144.h
@@ -35,7 +35,6 @@
 
 typedef struct RA144Context {
     AVCodecContext *avctx;
-    AVFrame frame;
     LPCContext lpc_ctx;
     AudioFrameQueue afq;
     int last_frame;
diff --git a/libavcodec/ra144dec.c b/libavcodec/ra144dec.c
index 1a987fc..ba965d6 100644
--- a/libavcodec/ra144dec.c
+++ b/libavcodec/ra144dec.c
@@ -43,9 +43,6 @@ static av_cold int ra144_decode_init(AVCodecContext * avctx)
     avctx->channel_layout = AV_CH_LAYOUT_MONO;
     avctx->sample_fmt     = AV_SAMPLE_FMT_S16;
 
-    avcodec_get_frame_defaults(&ractx->frame);
-    avctx->coded_frame = &ractx->frame;
-
     return 0;
 }
 
@@ -65,6 +62,7 @@ static void do_output_subblock(RA144Context *ractx, const uint16_t  *lpc_coefs,
 static int ra144_decode_frame(AVCodecContext * avctx, void *data,
                               int *got_frame_ptr, AVPacket *avpkt)
 {
+    AVFrame *frame     = data;
     const uint8_t *buf = avpkt->data;
     int buf_size = avpkt->size;
     static const uint8_t sizes[LPC_ORDER] = {6, 5, 5, 4, 4, 3, 3, 3, 3, 2};
@@ -80,12 +78,12 @@ static int ra144_decode_frame(AVCodecContext * avctx, void *data,
     GetBitContext gb;
 
     /* get output buffer */
-    ractx->frame.nb_samples = NBLOCKS * BLOCKSIZE;
-    if ((ret = ff_get_buffer(avctx, &ractx->frame)) < 0) {
+    frame->nb_samples = NBLOCKS * BLOCKSIZE;
+    if ((ret = ff_get_buffer(avctx, frame)) < 0) {
         av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
         return ret;
     }
-    samples = (int16_t *)ractx->frame.data[0];
+    samples = (int16_t *)frame->data[0];
 
     if(buf_size < FRAMESIZE) {
         av_log(avctx, AV_LOG_ERROR,
@@ -124,8 +122,7 @@ static int ra144_decode_frame(AVCodecContext * avctx, void *data,
 
     FFSWAP(unsigned int *, ractx->lpc_coef[0], ractx->lpc_coef[1]);
 
-    *got_frame_ptr   = 1;
-    *(AVFrame *)data = ractx->frame;
+    *got_frame_ptr = 1;
 
     return FRAMESIZE;
 }



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