diff options
Diffstat (limited to 'libavformat/rtpenc_rfc4175.c')
-rw-r--r-- | libavformat/rtpenc_rfc4175.c | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/libavformat/rtpenc_rfc4175.c b/libavformat/rtpenc_rfc4175.c index ea4c3705f3..257d072cd3 100644 --- a/libavformat/rtpenc_rfc4175.c +++ b/libavformat/rtpenc_rfc4175.c @@ -21,36 +21,40 @@ #include "avformat.h" #include "rtpenc.h" -void ff_rtp_send_raw_rfc4175(AVFormatContext *s1, const uint8_t *buf, int size) +void ff_rtp_send_raw_rfc4175(AVFormatContext *s1, const uint8_t *buf, int size, int interlaced, int field) { RTPMuxContext *s = s1->priv_data; int width = s1->streams[0]->codecpar->width; int height = s1->streams[0]->codecpar->height; int xinc, yinc, pgroup; - int field = 0; int i = 0; int offset = 0; s->timestamp = s->cur_timestamp; switch (s1->streams[0]->codecpar->format) { case AV_PIX_FMT_UYVY422: - xinc = yinc = 2; + xinc = 2; + yinc = 1 << interlaced; pgroup = 4; break; case AV_PIX_FMT_YUV422P10: - xinc = yinc = 2; + xinc = 2; + yinc = 1 << interlaced; pgroup = 5; break; case AV_PIX_FMT_YUV420P: - xinc = yinc = 4; + xinc = 4; + yinc = 1 << interlaced; pgroup = 6; break; case AV_PIX_FMT_RGB24: - xinc = yinc = 1; + xinc = 1; + yinc = 1 << interlaced; pgroup = 3; break; case AV_PIX_FMT_BGR24: - xinc = yinc = 1; + xinc = 1; + yinc = 1 << interlaced; pgroup = 3; break; default: @@ -72,7 +76,9 @@ void ff_rtp_send_raw_rfc4175(AVFormatContext *s1, const uint8_t *buf, int size) headers = dest; do { - pixels = width * xinc - offset; + int l_line; + + pixels = width - offset; length = (pixels * pgroup) / xinc; left -= head_size; @@ -90,8 +96,9 @@ void ff_rtp_send_raw_rfc4175(AVFormatContext *s1, const uint8_t *buf, int size) *dest++ = length & 0xff; /* Line No */ - *dest++ = ((i >> 8) & 0x7f) | ((field << 7) & 0x80); - *dest++ = i & 0xff; + l_line = i >> interlaced; + *dest++ = ((l_line >> 8) & 0x7f) | ((field << 7) & 0x80); + *dest++ = l_line & 0xff; if (next_line) i += yinc; cont = (left > (head_size + pgroup) && i < height) ? 0x80 : 0x00; @@ -106,16 +113,20 @@ void ff_rtp_send_raw_rfc4175(AVFormatContext *s1, const uint8_t *buf, int size) } while (cont); do { + int l_field; int l_line; int l_off; int copy_offset; length = (headers[0] << 8) | headers[1]; + l_field = (headers[2] & 0x80) >> 7; l_line = ((headers[2] & 0x7f) << 8) | headers[3]; l_off = ((headers[4] & 0x7f) << 8) | headers[5]; cont = headers[4] & 0x80; headers += head_size; + if (interlaced) + l_line = 2 * l_line + l_field; copy_offset = (l_line * width + l_off) * pgroup / xinc; if (copy_offset + length > size) break; |