[FFmpeg-cvslog] update filtering_audio example

[Andrew Wason]

ffmpeg | branch: master | Andrew Wason <rectalogic at rectalogic.com> | Mon Jun  4 14:07:15 2012 -0400| [1ef802d0385dda533fb22702ed21de4e9a810658] | committer: Michael Niedermayer

update filtering_audio example

The filtering_audio.c example needs to be updated for the new
"abuffer" filter args.

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1ef802d0385dda533fb22702ed21de4e9a810658
---

 doc/examples/Makefile          |    1 -
 doc/examples/filtering_audio.c |    7 +++++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/doc/examples/Makefile b/doc/examples/Makefile
index a3d135d..5217d6e 100644
--- a/doc/examples/Makefile
+++ b/doc/examples/Makefile
@@ -3,7 +3,6 @@ FFMPEG_LIBS=    libavdevice                        \
                 libavformat                        \
                 libavfilter                        \
                 libavcodec                         \
-                libavresample                      \
                 libswresample                      \
                 libswscale                         \
                 libavutil                          \
diff --git a/doc/examples/filtering_audio.c b/doc/examples/filtering_audio.c
index dda5596..c934327 100644
--- a/doc/examples/filtering_audio.c
+++ b/doc/examples/filtering_audio.c
@@ -91,14 +91,17 @@ static int init_filters(const char *filters_descr)
     const int64_t *chlayouts                = avfilter_all_channel_layouts;
     AVABufferSinkParams *abuffersink_params;
     const AVFilterLink *outlink;
+    AVRational time_base = fmt_ctx->streams[audio_stream_index]->time_base;
 
     filter_graph = avfilter_graph_alloc();
 
     /* buffer audio source: the decoded frames from the decoder will be inserted here. */
     if (!dec_ctx->channel_layout)
         dec_ctx->channel_layout = av_get_default_channel_layout(dec_ctx->channels);
-    snprintf(args, sizeof(args), "%d:%d:0x%"PRIx64,
-             dec_ctx->sample_rate, dec_ctx->sample_fmt, dec_ctx->channel_layout);
+    snprintf(args, sizeof(args),
+            "time_base=%d/%d:sample_rate=%d:sample_fmt=%s:channel_layout=0x%"PRIx64,
+             time_base.num, time_base.den, dec_ctx->sample_rate,
+             av_get_sample_fmt_name(dec_ctx->sample_fmt), dec_ctx->channel_layout);
     ret = avfilter_graph_create_filter(&buffersrc_ctx, abuffersrc, "in",
                                        args, NULL, filter_graph);
     if (ret < 0) {