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grab device is in AVFormatParameter (at least better than global variable) - currently unused video output stuff for ffplay

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Originally committed as revision 1498 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Fabrice Bellard 2003-01-23 10:31:32 +00:00
parent 86fd51fbad
commit 79a7c2683e
1 changed files with 48 additions and 23 deletions
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71
ffmpeg.c
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@ -159,14 +159,13 @@ static int audio_stream_copy = 0;
static int video_stream_copy = 0;
static char *video_grab_format = "video4linux";
static char *video_device = NULL;
static char *audio_grab_format = "audio_device";
static char *audio_device = NULL;
#define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
#if !defined(CONFIG_AUDIO_OSS) && !defined(CONFIG_AUDIO_BEOS)
const char *audio_device = "none";
#endif
typedef struct AVOutputStream {
int file_index; /* file index */
int index; /* stream index in the output file */
@ -2421,12 +2420,14 @@ void prepare_grab(void)
int has_video, has_audio, i, j;
AVFormatContext *oc;
AVFormatContext *ic;
AVFormatParameters vp1, *vp = &vp1;
AVFormatParameters ap1, *ap = &ap1;
/* see if audio/video inputs are needed */
has_video = 0;
has_audio = 0;
memset(ap, 0, sizeof(*ap));
memset(vp, 0, sizeof(*vp));
for(j=0;j<nb_output_files;j++) {
oc = output_files[j];
for(i=0;i<oc->nb_streams;i++) {
@ -2440,12 +2441,12 @@ void prepare_grab(void)
has_audio = 1;
break;
case CODEC_TYPE_VIDEO:
if (enc->width > ap->width)
ap->width = enc->width;
if (enc->height > ap->height)
ap->height = enc->height;
if (enc->frame_rate > ap->frame_rate)
ap->frame_rate = enc->frame_rate;
if (enc->width > vp->width)
vp->width = enc->width;
if (enc->height > vp->height)
vp->height = enc->height;
if (enc->frame_rate > vp->frame_rate)
vp->frame_rate = enc->frame_rate;
has_video = 1;
break;
default:
@ -2462,25 +2463,28 @@ void prepare_grab(void)
if (has_video) {
AVInputFormat *fmt1;
fmt1 = av_find_input_format(video_grab_format);
if (av_open_input_file(&ic, "", fmt1, 0, ap) < 0) {
vp->device = video_device;
/* XXX: set DV video channel ? */
if (av_open_input_file(&ic, "", fmt1, 0, vp) < 0) {
fprintf(stderr, "Could not find video grab device\n");
exit(1);
}
/* by now video grab has one stream */
ic->streams[0]->r_frame_rate = ap->frame_rate;
ic->streams[0]->r_frame_rate = vp->frame_rate;
input_files[nb_input_files] = ic;
dump_format(ic, nb_input_files, video_device, 0);
dump_format(ic, nb_input_files, "", 0);
nb_input_files++;
}
if (has_audio) {
AVInputFormat *fmt1;
fmt1 = av_find_input_format(audio_grab_format);
ap->device = audio_device;
if (av_open_input_file(&ic, "", fmt1, 0, ap) < 0) {
fprintf(stderr, "Could not find audio grab device\n");
exit(1);
}
input_files[nb_input_files] = ic;
dump_format(ic, nb_input_files, audio_device, 0);
dump_format(ic, nb_input_files, "", 0);
nb_input_files++;
}
}
@ -2488,14 +2492,35 @@ void prepare_grab(void)
/* open the necessary output devices for playing */
void prepare_play(void)
{
file_iformat = NULL;
file_oformat = guess_format("audio_device", NULL, NULL);
if (!file_oformat) {
fprintf(stderr, "Could not find audio device\n");
exit(1);
}
int has_video, has_audio;
opt_output_file(audio_device);
check_audio_video_inputs(&has_video, &has_audio);
/* manual disable */
if (audio_disable) {
has_audio = 0;
}
if (video_disable) {
has_video = 0;
}
if (has_audio) {
file_oformat = guess_format("audio_device", NULL, NULL);
if (!file_oformat) {
fprintf(stderr, "Could not find audio device\n");
exit(1);
}
opt_output_file(audio_device);
}
if (has_video) {
file_oformat = guess_format("framebuffer_device", NULL, NULL);
if (!file_oformat) {
fprintf(stderr, "Could not find framebuffer device\n");
exit(1);
}
opt_output_file("");
}
}
/* same option as mencoder */
@ -2698,7 +2723,7 @@ const OptionDef options[] = {
{ "minrate", HAS_ARG, {(void*)opt_video_bitrate_min}, "set min video bitrate tolerance (in kbit/s)", "bitrate" },
{ "bufsize", HAS_ARG, {(void*)opt_video_buffer_size}, "set ratecontrol buffere size (in kbit)", "size" },
{ "vd", HAS_ARG | OPT_EXPERT, {(void*)opt_video_device}, "set video grab device", "device" },
{ "dv1394", OPT_EXPERT, {(void*)opt_dv1394}, "set DV1394 options", "[channel]" },
{ "dv1394", OPT_EXPERT, {(void*)opt_dv1394}, "set DV1394 grab", "" },
{ "vcodec", HAS_ARG | OPT_EXPERT, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
{ "me", HAS_ARG | OPT_EXPERT, {(void*)opt_motion_estimation}, "set motion estimation method",
"method" },