avdevice/pulse_audio_dec: deprecate frame_size option

It does not do anything. Frame sizes can be controlled by using fragment_size.

Signed-off-by: Marton Balint <cus@passwd.hu>

doc/indevs.texi

@@ -1289,7 +1289,7 @@ Specify the samplerate in Hz, by default 48kHz is used.
 Specify the channels in use, by default 2 (stereo) is set.
 
 @item frame_size
-Specify the number of bytes per frame, by default it is set to 1024.
+This option does nothing and is deprecated.
 
 @item fragment_size
 Specify the size in bytes of the minimal buffering fragment in PulseAudio, it

libavdevice/pulse_audio_dec.c

@@ -371,6 +371,7 @@ static int pulse_get_device_list(AVFormatContext *h, AVDeviceInfoList *device_li
 
 #define OFFSET(a) offsetof(PulseData, a)
 #define D AV_OPT_FLAG_DECODING_PARAM
+#define DEPR AV_OPT_FLAG_DEPRECATED
 
 static const AVOption options[] = {
     { "server",        "set PulseAudio server",                             OFFSET(server),        AV_OPT_TYPE_STRING, {.str = NULL},     0, 0, D },
@@ -378,7 +379,7 @@ static const AVOption options[] = {
     { "stream_name",   "set stream description",                            OFFSET(stream_name),   AV_OPT_TYPE_STRING, {.str = "record"}, 0, 0, D },
     { "sample_rate",   "set sample rate in Hz",                             OFFSET(sample_rate),   AV_OPT_TYPE_INT,    {.i64 = 48000},    1, INT_MAX, D },
     { "channels",      "set number of audio channels",                      OFFSET(channels),      AV_OPT_TYPE_INT,    {.i64 = 2},        1, INT_MAX, D },
-    { "frame_size",    "set number of bytes per frame",                     OFFSET(frame_size),    AV_OPT_TYPE_INT,    {.i64 = 1024},     1, INT_MAX, D },
+    { "frame_size",    "set number of bytes per frame",                     OFFSET(frame_size),    AV_OPT_TYPE_INT,    {.i64 = 1024},     1, INT_MAX, D | DEPR },
     { "fragment_size", "set buffering size, affects latency and cpu usage", OFFSET(fragment_size), AV_OPT_TYPE_INT,    {.i64 = -1},      -1, INT_MAX, D },
     { "wallclock",     "set the initial pts using the current time",     OFFSET(wallclock),     AV_OPT_TYPE_INT,    {.i64 = 1},       -1, 1, D },
     { NULL },