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authorRamiro Polla <ramiro.polla@gmail.com>2008-03-08 21:59:11 +0000
committerRamiro Polla <ramiro.polla@gmail.com>2008-03-08 21:59:11 +0000
commitab8ab30c3d075065b68552cd8e59556b863115e0 (patch)
treea111e48ab0131dc98c61d569dce663f2fcc80851
parentc123486e44f44560725fa0c28f01afc926dcb299 (diff)
downloadffmpeg-ab8ab30c3d075065b68552cd8e59556b863115e0.tar.gz
Introduce max_picture_buffer variable in AVFormatContext,
set by rtbufsize option. Originally committed as revision 12383 to svn://svn.ffmpeg.org/ffmpeg/trunk
-rw-r--r--libavformat/avformat.h8
-rw-r--r--libavformat/utils.c1
2 files changed, 8 insertions, 1 deletions
diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index 9a9125a9c5..54dfdbf39a 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -22,7 +22,7 @@
#define FFMPEG_AVFORMAT_H
#define LIBAVFORMAT_VERSION_MAJOR 52
-#define LIBAVFORMAT_VERSION_MINOR 8
+#define LIBAVFORMAT_VERSION_MINOR 9
#define LIBAVFORMAT_VERSION_MICRO 0
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
@@ -508,6 +508,12 @@ typedef struct AVFormatContext {
* demuxing: set by user
*/
unsigned int max_index_size;
+
+ /**
+ * Maximum ammount of memory in bytes to use for buffering frames that are
+ * obtained from real-time capture devices.
+ */
+ unsigned int max_picture_buffer;
} AVFormatContext;
typedef struct AVPacketList {
diff --git a/libavformat/utils.c b/libavformat/utils.c
index d032baaf95..b37db35b88 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -324,6 +324,7 @@ static const AVOption options[]={
{"analyzeduration", "how many microseconds are analyzed to estimate duration", OFFSET(max_analyze_duration), FF_OPT_TYPE_INT, 3*AV_TIME_BASE, 0, INT_MAX, D},
{"cryptokey", "decryption key", OFFSET(key), FF_OPT_TYPE_BINARY, 0, 0, 0, D},
{"indexmem", "max memory used for timestamp index (per stream)", OFFSET(max_index_size), FF_OPT_TYPE_INT, 1<<20, 0, INT_MAX, D},
+{"rtbufsize", "max memory used for buffering real-time frames", OFFSET(max_picture_buffer), FF_OPT_TYPE_INT, 3041280, 0, INT_MAX, D}, /* defaults to 1s of 15fps 352x288 YUYV422 video */
{NULL},
};