hevc_filter: drop redundant checks

[ffmpeg] / libavcodec / ra288.c

diff --git a/libavcodec/ra288.c b/libavcodec/ra288.c
index a85d58a05a7ff7eb5bdf0dccb69437a987442023..215786c803689d986a56b258ab6ba759ff038c09 100644 (file)
--- a/libavcodec/ra288.c
+++ b/libavcodec/ra288.c
@@ -38,7 +38,6 @@
 #define RA288_BLOCKS_PER_FRAME 32
 
 typedef struct {
-    AVFrame frame;
     AVFloatDSPContext fdsp;
     DECLARE_ALIGNED(32, float,   sp_lpc)[FFALIGN(36, 16)];   ///< LPC coefficients for speech data (spec: A)
     DECLARE_ALIGNED(32, float, gain_lpc)[FFALIGN(10, 16)];   ///< LPC coefficients for gain        (spec: GB)
@@ -70,9 +69,6 @@ static av_cold int ra288_decode_init(AVCodecContext *avctx)
 
     avpriv_float_dsp_init(&ractx->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
 
-    avcodec_get_frame_defaults(&ractx->frame);
-    avctx->coded_frame = &ractx->frame;
-
     return 0;
 }
 
@@ -94,7 +90,7 @@ static void decode(RA288Context *ractx, float gain, int cb_coef)
     memmove(ractx->sp_hist + 70, ractx->sp_hist + 75, 36*sizeof(*block));
 
     /* block 46 of G.728 spec */
-    sum = 32.;
+    sum = 32.0;
     for (i=0; i < 10; i++)
         sum -= gain_block[9-i] * ractx->gain_lpc[i];
 
@@ -108,7 +104,7 @@ static void decode(RA288Context *ractx, float gain, int cb_coef)
     for (i=0; i < 5; i++)
         buffer[i] = codetable[cb_coef][i] * sumsum;
 
-    sum = avpriv_scalarproduct_float_c(buffer, buffer, 5) * ((1 << 24) / 5.);
+    sum = avpriv_scalarproduct_float_c(buffer, buffer, 5) * ((1 << 24) / 5.0);
 
     sum = FFMAX(sum, 1);
 
@@ -154,7 +150,7 @@ static void do_hybrid_window(RA288Context *ractx,
     }
 
     /* Multiply by the white noise correcting factor (WNCF). */
-    *out *= 257./256.;
+    *out *= 257.0 / 256.0;
 }
 
 /**
@@ -178,6 +174,7 @@ static void backward_filter(RA288Context *ractx,
 static int ra288_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;
     float *out;
@@ -193,12 +190,12 @@ static int ra288_decode_frame(AVCodecContext * avctx, void *data,
     }
 
     /* get output buffer */
-    ractx->frame.nb_samples = RA288_BLOCK_SIZE * RA288_BLOCKS_PER_FRAME;
-    if ((ret = ff_get_buffer(avctx, &ractx->frame)) < 0) {
+    frame->nb_samples = RA288_BLOCK_SIZE * RA288_BLOCKS_PER_FRAME;
+    if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
         av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
         return ret;
     }
-    out = (float *)ractx->frame.data[0];
+    out = (float *)frame->data[0];
 
     init_get_bits(&gb, buf, avctx->block_align * 8);
 
@@ -220,19 +217,18 @@ static int ra288_decode_frame(AVCodecContext * avctx, void *data,
         }
     }
 
-    *got_frame_ptr   = 1;
-    *(AVFrame *)data = ractx->frame;
+    *got_frame_ptr = 1;
 
     return avctx->block_align;
 }
 
 AVCodec ff_ra_288_decoder = {
     .name           = "real_288",
+    .long_name      = NULL_IF_CONFIG_SMALL("RealAudio 2.0 (28.8K)"),
     .type           = AVMEDIA_TYPE_AUDIO,
     .id             = AV_CODEC_ID_RA_288,
     .priv_data_size = sizeof(RA288Context),
     .init           = ra288_decode_init,
     .decode         = ra288_decode_frame,
     .capabilities   = CODEC_CAP_DR1,
-    .long_name      = NULL_IF_CONFIG_SMALL("RealAudio 2.0 (28.8K)"),
 };