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Diffstat (limited to 'libavformat/idroqenc.c')
-rw-r--r--libavformat/idroqenc.c38
1 files changed, 32 insertions, 6 deletions
diff --git a/libavformat/idroqenc.c b/libavformat/idroqenc.c
index 2ce4d7d493..28a3aba9d4 100644
--- a/libavformat/idroqenc.c
+++ b/libavformat/idroqenc.c
@@ -2,20 +2,20 @@
* id RoQ (.roq) File muxer
* Copyright (c) 2007 Vitor Sessak
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@@ -25,9 +25,35 @@
static int roq_write_header(struct AVFormatContext *s)
{
- static const uint8_t header[] = {
- 0x84, 0x10, 0xFF, 0xFF, 0xFF, 0xFF, 0x1E, 0x00
+ uint8_t header[] = {
+ 0x84, 0x10, 0xFF, 0xFF, 0xFF, 0xFF, /* fps: */ 0x1E, 0x00
};
+ int n;
+ AVCodecContext *avctx;
+
+// set the actual fps
+ for(n=0;n<s->nb_streams;n++) {
+ if ((avctx=s->streams[n]->codec)->codec_type == AVMEDIA_TYPE_VIDEO) {
+ unsigned int fps;
+
+ if (avctx->time_base.num != 1) {
+ av_log(avctx, AV_LOG_ERROR, "Frame rate must be integer\n");
+ return AVERROR(EINVAL);
+ }
+
+ if ((fps=avctx->time_base.den) > 255) {
+ av_log(avctx, AV_LOG_ERROR, "Frame rate may not exceed 255fps\n");
+ return AVERROR(EINVAL);
+ }
+
+ if (fps != 30) {
+ av_log(avctx, AV_LOG_WARNING, "For vintage compatibility fps must be 30\n");
+ }
+
+ header[6] = fps;
+ break;
+ }
+ }
avio_write(s->pb, header, 8);
avio_flush(s->pb);