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| author | Michael Niedermayer <michaelni@gmx.at> | 2011-08-28 20:47:06 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-08-29 20:16:06 +0200 |
| commit | bb22f39fe200b0de7c757407dddbf9d7bf4e6cde (patch) | |
| tree | 859e339776ed7b158ae71d8a5ec509120daf83b8 /ffmpeg.c | |
| parent | 1e5014c7c7dee0efe026eacafe80a967f04892c8 (diff) | |
| download | ffmpeg-bb22f39fe200b0de7c757407dddbf9d7bf4e6cde.tar.gz | |
ffmpeg: Support passing commands to filters at runtime
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'ffmpeg.c')
| -rw-r--r-- | ffmpeg.c | 17 |
1 files changed, 17 insertions, 0 deletions
@@ -2681,6 +2681,22 @@ static int transcode(AVFormatContext **output_files, do_pkt_dump = 1; av_log_set_level(AV_LOG_DEBUG); } + if (key == 'c' || key == 'C'){ + char ret[4096], target[64], cmd[256], arg[256]={0}; + fprintf(stderr, "\nEnter command: <target> <command>[ <argument>]\n"); + if(scanf("%4095[^\n\r]%*c", ret) == 1 && sscanf(ret, "%63[^ ] %255[^ ] %255[^\n]", target, cmd, arg) >= 2){ + for(i=0;i<nb_ostreams;i++) { + int r; + ost = ost_table[i]; + if(ost->graph){ + r= avfilter_graph_send_command(ost->graph, target, cmd, arg, ret, sizeof(ret), key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0); + fprintf(stderr, "Command reply for %d: %d, %s\n", i, r, ret); + } + } + }else{ + fprintf(stderr, "Parse error\n"); + } + } if (key == 'd' || key == 'D'){ int debug=0; if(key == 'D') { @@ -2705,6 +2721,7 @@ static int transcode(AVFormatContext **output_files, "? show this help\n" "+ increase verbosity\n" "- decrease verbosity\n" + "c Send command to filtergraph\n" "D cycle through available debug modes\n" "h dump packets/hex press to cycle through the 3 states\n" "q quit\n" |