diff --git a/doc/ffplay.texi b/doc/ffplay.texi index 073b457256..378a229d67 100644 --- a/doc/ffplay.texi +++ b/doc/ffplay.texi @@ -62,6 +62,10 @@ see @ref{time duration syntax,,the Time duration section in the ffmpeg-utils(1) Seek by bytes. @item -nodisp Disable graphical display. +@item -volume +Set the startup volume. 0 means silence, 100 means no volume reduction or +amplification. Negative values are treated as 0, values above 100 are treated +as 100. @item -f @var{fmt} Force format. @item -window_title @var{title} diff --git a/ffplay.c b/ffplay.c index 911fd7f947..bca2d5cbaa 100644 --- a/ffplay.c +++ b/ffplay.c @@ -322,6 +322,7 @@ static int subtitle_disable; static const char* wanted_stream_spec[AVMEDIA_TYPE_NB] = {0}; static int seek_by_bytes = -1; static int display_disable; +static int startup_volume = 100; static int show_status = 1; static int av_sync_type = AV_SYNC_AUDIO_MASTER; static int64_t start_time = AV_NOPTS_VALUE; @@ -3105,7 +3106,13 @@ static VideoState *stream_open(const char *filename, AVInputFormat *iformat) init_clock(&is->audclk, &is->audioq.serial); init_clock(&is->extclk, &is->extclk.serial); is->audio_clock_serial = -1; - is->audio_volume = SDL_MIX_MAXVOLUME; + if (startup_volume < 0) + av_log(NULL, AV_LOG_WARNING, "-volume=%d < 0, setting to 0\n", startup_volume); + if (startup_volume > 100) + av_log(NULL, AV_LOG_WARNING, "-volume=%d > 100, setting to 100\n", startup_volume); + startup_volume = av_clip(startup_volume, 0, 100); + startup_volume = av_clip(SDL_MIX_MAXVOLUME * startup_volume / 100, 0, SDL_MIX_MAXVOLUME); + is->audio_volume = startup_volume; is->muted = 0; is->av_sync_type = av_sync_type; is->read_tid = SDL_CreateThread(read_thread, "read_thread", is); @@ -3586,6 +3593,7 @@ static const OptionDef options[] = { { "t", HAS_ARG, { .func_arg = opt_duration }, "play \"duration\" seconds of audio/video", "duration" }, { "bytes", OPT_INT | HAS_ARG, { &seek_by_bytes }, "seek by bytes 0=off 1=on -1=auto", "val" }, { "nodisp", OPT_BOOL, { &display_disable }, "disable graphical display" }, + { "volume", OPT_INT | HAS_ARG, { &startup_volume}, "set startup volume 0=min 100=max", "volume" }, { "f", HAS_ARG, { .func_arg = opt_format }, "force format", "fmt" }, { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_frame_pix_fmt }, "set pixel format", "format" }, { "stats", OPT_BOOL | OPT_EXPERT, { &show_status }, "show status", "" },