[FFmpeg-devel] [PATCH] examples/resampling_audio: make use of av_samples_alloc_pointers()

Stefano Sabatini stefasab at gmail.com
Thu Mar 21 20:54:38 CET 2013


Simplify.
---
 doc/examples/resampling_audio.c |   16 ++--------------
 1 file changed, 2 insertions(+), 14 deletions(-)

diff --git a/doc/examples/resampling_audio.c b/doc/examples/resampling_audio.c
index dd128e8..7f057e2 100644
--- a/doc/examples/resampling_audio.c
+++ b/doc/examples/resampling_audio.c
@@ -78,18 +78,6 @@ void fill_samples(double *dst, int nb_samples, int nb_channels, int sample_rate,
     }
 }
 
-int alloc_samples_array_and_data(uint8_t ***data, int *linesize, int nb_channels,
-                                    int nb_samples, enum AVSampleFormat sample_fmt, int align)
-{
-    int nb_planes = av_sample_fmt_is_planar(sample_fmt) ? nb_channels : 1;
-
-    *data = av_malloc(sizeof(*data) * nb_planes);
-    if (!*data)
-        return AVERROR(ENOMEM);
-    return av_samples_alloc(*data, linesize, nb_channels,
-                            nb_samples, sample_fmt, align);
-}
-
 int main(int argc, char **argv)
 {
     int64_t src_ch_layout = AV_CH_LAYOUT_STEREO, dst_ch_layout = AV_CH_LAYOUT_SURROUND;
@@ -164,8 +152,8 @@ int main(int argc, char **argv)
 
     /* buffer is going to be directly written to a rawaudio file, no alignment */
     dst_nb_channels = av_get_channel_layout_nb_channels(dst_ch_layout);
-    ret = alloc_samples_array_and_data(&dst_data, &dst_linesize, dst_nb_channels,
-                                       dst_nb_samples, dst_sample_fmt, 0);
+    ret = av_samples_alloc_pointers(&dst_data, &dst_linesize, dst_nb_channels,
+                                    dst_nb_samples, dst_sample_fmt, 0);
     if (ret < 0) {
         fprintf(stderr, "Could not allocate destination samples\n");
         goto end;
-- 
1.7.9.5



More information about the ffmpeg-devel mailing list