sdl: use the filename for defining the window title, if not specified

This allows a more efficient use of the commandline.
pull/2/head
Stefano Sabatini 14 years ago
parent ba91bf58cd
commit 0d0fdb0ad5
  1. 9
      doc/outdevs.texi
  2. 2
      libavdevice/avdevice.h
  3. 4
      libavdevice/sdl.c

@ -45,8 +45,8 @@ For more information about SDL, check:
@table @option
@item window_title
Set the SDL window title, if not specified default to "SDL video
outdev".
Set the SDL window title, if not specified default to the filename
specified for the output device.
@item icon_title
Set the name of the iconified SDL window, if not specified it is set
@ -63,12 +63,9 @@ If not specified it defaults to the size of the input video.
The following command shows the @file{ffmpeg} output is an
SDL window, forcing its size to the qcif format:
@example
ffmpeg -i INPUT -vcodec rawvideo -pix_fmt yuv420p -window_size qcif -f sdl none
ffmpeg -i INPUT -vcodec rawvideo -pix_fmt yuv420p -window_size qcif -f sdl "SDL output"
@end example
Note that the name specified for the output device is ignored, so it
can be set to an arbitrary value ("none" in the above example).
@section sndio
sndio audio output device.

@ -24,7 +24,7 @@
#define LIBAVDEVICE_VERSION_MAJOR 53
#define LIBAVDEVICE_VERSION_MINOR 1
#define LIBAVDEVICE_VERSION_MICRO 0
#define LIBAVDEVICE_VERSION_MICRO 1
#define LIBAVDEVICE_VERSION_INT AV_VERSION_INT(LIBAVDEVICE_VERSION_MAJOR, \
LIBAVDEVICE_VERSION_MINOR, \

@ -78,6 +78,8 @@ static int sdl_write_header(AVFormatContext *s)
float sar, dar; /* sample and display aspect ratios */
int i, ret;
if (!sdl->window_title)
sdl->window_title = av_strdup(s->filename);
if (!sdl->icon_title)
sdl->icon_title = av_strdup(sdl->window_title);
@ -201,7 +203,7 @@ static int sdl_write_packet(AVFormatContext *s, AVPacket *pkt)
#define OFFSET(x) offsetof(SDLContext,x)
static const AVOption options[] = {
{ "window_title", "SDL window title", OFFSET(window_title), FF_OPT_TYPE_STRING, {.str = "SDL video outdev" }, 0, 0, AV_OPT_FLAG_ENCODING_PARAM },
{ "window_title", "SDL window title", OFFSET(window_title), FF_OPT_TYPE_STRING, {.str = NULL }, 0, 0, AV_OPT_FLAG_ENCODING_PARAM },
{ "icon_title", "SDL iconified window title", OFFSET(icon_title) , FF_OPT_TYPE_STRING, {.str = NULL }, 0, 0, AV_OPT_FLAG_ENCODING_PARAM },
{ "window_size", "SDL window forced size", OFFSET(window_size) , FF_OPT_TYPE_STRING, {.str = NULL }, 0, 0, AV_OPT_FLAG_ENCODING_PARAM },
{ NULL },

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