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implement new grabbing interface, as described here:

Browse Source 
ttp://thread.gmane.org/gmane.comp.video.ffmpeg.devel/42920
patch by Ramiro Polla % ramiro A lisha P ufsc P br %
Original thread:
Date: Jan 31, 2007 8:56 PM
Subject: [Ffmpeg-devel] [PATCH] New grabbing interface

Originally committed as revision 7983 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ramiro Polla
2007-02-14 17:01:32 +00:00
committed by Guillaume Poirier
parent 2012121363
commit cc58300e30
11 changed files with 25 additions and 212 deletions
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10
libavformat/audio.c
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@@ -53,14 +53,6 @@ static int audio_open(AudioData *s, int is_output, const char *audio_device)
int tmp, err;
char *flip = getenv("AUDIO_FLIP_LEFT");
/* open linux audio device */
if (!audio_device)
#ifdef __OpenBSD__
audio_device = "/dev/sound";
#else
audio_device = "/dev/dsp";
#endif
if (is_output)
audio_fd = open(audio_device, O_WRONLY);
else
@@ -229,7 +221,7 @@ static int audio_read_header(AVFormatContext *s1, AVFormatParameters *ap)
s->sample_rate = ap->sample_rate;
s->channels = ap->channels;
ret = audio_open(s, 0, ap->device);
ret = audio_open(s, 0, s1->filename);
if (ret < 0) {
av_free(st);
return AVERROR_IO;