Based on code from rawvideo demuxer.
Signed-off-by: James Almer <jamr...@gmail.com>
---
libavformat/apvdec.c | 27 +++++++++++++++++++++++++--
1 file changed, 25 insertions(+), 2 deletions(-)
diff --git a/libavformat/apvdec.c b/libavformat/apvdec.c
index 1e5497bcd3..70f6babbb7 100644
--- a/libavformat/apvdec.c
+++ b/libavformat/apvdec.c
@@ -16,6 +16,8 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include "libavutil/opt.h"
+
#include "libavcodec/apv.h"
#include "libavcodec/bytestream.h"
@@ -24,6 +26,10 @@
#include "demux.h"
#include "internal.h"
+typedef struct APVDemuxerContext {
+ const AVClass *class; /**< Class for private options. */
+ AVRational frame_rate; /**< AVRational describing framerate, set by a
private option. */
+} APVDemuxerContext;
typedef struct APVHeaderInfo {
uint8_t pbu_type;
@@ -145,6 +151,7 @@ static int apv_probe(const AVProbeData *p)
static int apv_read_header(AVFormatContext *s)
{
+ APVDemuxerContext *apv = s->priv_data;
AVStream *st;
GetByteContext gbc;
uint8_t buffer[12];
@@ -184,8 +191,8 @@ static int apv_read_header(AVFormatContext *s)
st->codecpar->codec_id = AV_CODEC_ID_APV;
ffstream(st)->need_parsing = AVSTREAM_PARSE_HEADERS;
- st->avg_frame_rate = (AVRational){ 30, 1 };
- avpriv_set_pts_info(st, 64, 1, 30);
+ st->avg_frame_rate = apv->frame_rate;
+ avpriv_set_pts_info(st, 64, apv->frame_rate.den, apv->frame_rate.num);
avio_seek(s->pb, -size, SEEK_CUR);
@@ -221,11 +228,27 @@ static int apv_read_packet(AVFormatContext *s, AVPacket
*pkt)
return 0;
}
+#define OFFSET(x) offsetof(APVDemuxerContext, x)
+#define DEC AV_OPT_FLAG_DECODING_PARAM
+static const AVOption apv_options[] = {
+ { "framerate", "set frame rate", OFFSET(frame_rate),
AV_OPT_TYPE_VIDEO_RATE, { .str = "30" }, 0, INT_MAX, DEC },
+ { NULL },
+};
+
+static const AVClass apv_demuxer_class = {
+ .class_name = "apv demuxer",
+ .item_name = av_default_item_name,
+ .option = apv_options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
const FFInputFormat ff_apv_demuxer = {
.p.name = "apv",
.p.long_name = NULL_IF_CONFIG_SMALL("APV raw bitstream"),
.p.extensions = "apv",
.p.flags = AVFMT_GENERIC_INDEX | AVFMT_NOTIMESTAMPS,
+ .p.priv_class = &apv_demuxer_class,
+ .priv_data_size = sizeof(APVDemuxerContext),
.read_probe = apv_probe,
.read_header = apv_read_header,
.read_packet = apv_read_packet,
--
2.50.0
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