On Tue, May 07, 2019 at 10:05:12AM +0530, Shivam Goyal wrote: > The patch is for ticket #5154. > > I have improved the patch as suggested. > > Please review. > > Thank you, > > Shivam Goyal
> Changelog | 1 > libavformat/Makefile | 1 > libavformat/allformats.c | 1 > libavformat/h264dec.c | 121 > +++++++++++++++++++++++++++++++++++++++++++++++ > libavformat/version.h | 4 - > 5 files changed, 126 insertions(+), 2 deletions(-) > 34932cf36d17537b8fc34642e92cc1fff6ad481e add_arecont_h264_support_v3.patch > From 2aa843626f939218179d3ec252f76f9991c33ed6 Mon Sep 17 00:00:00 2001 > From: Shivam Goyal <shivamgoyal1...@outlook.com> > Date: Tue, 7 May 2019 10:01:15 +0530 > Subject: [PATCH] lavf/h264: Add support for h264 video from Arecont camera, > fixes ticket #5154 [...] > @@ -117,4 +120,122 @@ static int h264_probe(const AVProbeData *p) > return 0; > } > > +static int arecont_h264_probe(const AVProbeData *p) > +{ > + int i, j, k, o = 0; > + int ret = h264_probe(p); > + const uint8_t id[] = {0x2D, 0x2D, 0x66, 0x62, 0x64, 0x72, 0x0D, 0x0A}; > + > + if (!ret) > + return 0; > + for (i = 0; i + 7 < p->buf_size; i++){ > + if (p->buf[i] == id[0] && !memcmp(id, p->buf + i, 8)) > + o++; > + } > + if (o >= 1) > + return ret + 1; > + return 0; > +} > + > +static int read_raw_arecont_h264_packet(AVFormatContext *s, AVPacket *pkt) > +{ > + int ret, size, start, end, new_size = 0, i, j, k, w = 0; > + const uint8_t id[] = {0x2D, 0x2D, 0x66, 0x62, 0x64, 0x72}; > + uint8_t *data; > + int64_t pos; > + > + //Extra to find the http header > + size = 2 * ARECONT_H264_MIME_SIZE + RAW_PACKET_SIZE; > + data = av_malloc(size); > + > + if (av_new_packet(pkt, size) < 0) > + return AVERROR(ENOMEM); memleak on error [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Asymptotically faster algorithms should always be preferred if you have asymptotical amounts of data
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