diff options
Diffstat (limited to 'contrib/ffmpeg/libavformat/rtp_mpv.c')
-rw-r--r-- | contrib/ffmpeg/libavformat/rtp_mpv.c | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/contrib/ffmpeg/libavformat/rtp_mpv.c b/contrib/ffmpeg/libavformat/rtp_mpv.c deleted file mode 100644 index c8bf81f9a..000000000 --- a/contrib/ffmpeg/libavformat/rtp_mpv.c +++ /dev/null @@ -1,118 +0,0 @@ -/* - * RTP packetization for MPEG video - * Copyright (c) 2002 Fabrice Bellard. - * Copyright (c) 2007 Luca Abeni. - * - * This file is part of FFmpeg. - * - * 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. - * - * 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 FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ -#include "avformat.h" -#include "rtp_internal.h" - -#include "mpegvideo.h" - -/* NOTE: a single frame must be passed with sequence header if - needed. XXX: use slices. */ -void ff_rtp_send_mpegvideo(AVFormatContext *s1, const uint8_t *buf1, int size) -{ - RTPDemuxContext *s = s1->priv_data; - int len, h, max_packet_size; - uint8_t *q; - int begin_of_slice, end_of_slice, frame_type, temporal_reference; - - max_packet_size = s->max_payload_size; - begin_of_slice = 1; - end_of_slice = 0; - frame_type = 0; - temporal_reference = 0; - - while (size > 0) { - int begin_of_sequence; - - begin_of_sequence = 0; - len = max_packet_size - 4; - - if (len >= size) { - len = size; - end_of_slice = 1; - } else { - const uint8_t *r, *r1; - int start_code; - - r1 = buf1; - while (1) { - start_code = -1; - r = ff_find_start_code(r1, buf1 + size, &start_code); - if((start_code & 0xFFFFFF00) == 0x100) { - /* New start code found */ - if (start_code == 0x100) { - frame_type = (r[1] & 0x38) >> 3; - temporal_reference = (int)r[0] << 2 | r[1] >> 6; - } - if (start_code == 0x1B8) { - begin_of_sequence = 1; - } - - if (r - buf1 < len) { - /* The current slice fits in the packet */ - if (begin_of_slice == 0) { - /* no slice at the beginning of the packet... */ - end_of_slice = 1; - len = r - buf1 - 4; - break; - } - r1 = r; - } else { - if (r - r1 < max_packet_size) { - len = r1 - buf1 - 4; - end_of_slice = 1; - } - break; - } - } else { - break; - } - } - } - - h = 0; - h |= temporal_reference << 16; - h |= begin_of_sequence << 13; - h |= begin_of_slice << 12; - h |= end_of_slice << 11; - h |= frame_type << 8; - - q = s->buf; - *q++ = h >> 24; - *q++ = h >> 16; - *q++ = h >> 8; - *q++ = h; - - memcpy(q, buf1, len); - q += len; - - /* 90 KHz time stamp */ - s->timestamp = s->cur_timestamp; - ff_rtp_send_data(s1, s->buf, q - s->buf, (len == size)); - - buf1 += len; - size -= len; - begin_of_slice = end_of_slice; - end_of_slice = 0; - } -} - - |