rtpenc.h 3.0 KB

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  1. /*
  2. * RTP muxer definitions
  3. * Copyright (c) 2002 Fabrice Bellard
  4. *
  5. * This file is part of FFmpeg.
  6. *
  7. * FFmpeg is free software; you can redistribute it and/or
  8. * modify it under the terms of the GNU Lesser General Public
  9. * License as published by the Free Software Foundation; either
  10. * version 2.1 of the License, or (at your option) any later version.
  11. *
  12. * FFmpeg is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15. * Lesser General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU Lesser General Public
  18. * License along with FFmpeg; if not, write to the Free Software
  19. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20. */
  21. #ifndef AVFORMAT_RTPENC_H
  22. #define AVFORMAT_RTPENC_H
  23. #include "avformat.h"
  24. #include "rtp.h"
  25. struct RTPMuxContext {
  26. const AVClass *av_class;
  27. AVFormatContext *ic;
  28. AVStream *st;
  29. int payload_type;
  30. uint32_t ssrc;
  31. uint16_t seq;
  32. uint32_t timestamp;
  33. uint32_t base_timestamp;
  34. uint32_t cur_timestamp;
  35. int max_payload_size;
  36. int num_frames;
  37. /* rtcp sender statistics receive */
  38. int64_t last_rtcp_ntp_time; // TODO: move into statistics
  39. int64_t first_rtcp_ntp_time; // TODO: move into statistics
  40. /* rtcp sender statistics */
  41. unsigned int packet_count; // TODO: move into statistics (outgoing)
  42. unsigned int octet_count; // TODO: move into statistics (outgoing)
  43. unsigned int last_octet_count; // TODO: move into statistics (outgoing)
  44. int first_packet;
  45. /* buffer for output */
  46. uint8_t *buf;
  47. uint8_t *buf_ptr;
  48. int max_frames_per_packet;
  49. /**
  50. * Number of bytes used for H.264 NAL length, if the MP4 syntax is used
  51. * (1, 2 or 4)
  52. */
  53. int nal_length_size;
  54. int flags;
  55. };
  56. typedef struct RTPMuxContext RTPMuxContext;
  57. #define FF_RTP_FLAG_MP4A_LATM 1
  58. #define FF_RTP_FLAG_OPTS(ctx, fieldname) \
  59. { "rtpflags", "RTP muxer flags", offsetof(ctx, fieldname), AV_OPT_TYPE_FLAGS, {.dbl = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "rtpflags" }, \
  60. { "latm", "Use MP4A-LATM packetization instead of MPEG4-GENERIC for AAC", 0, AV_OPT_TYPE_CONST, {.dbl = FF_RTP_FLAG_MP4A_LATM}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "rtpflags" } \
  61. void ff_rtp_send_data(AVFormatContext *s1, const uint8_t *buf1, int len, int m);
  62. void ff_rtp_send_h264(AVFormatContext *s1, const uint8_t *buf1, int size);
  63. void ff_rtp_send_h263(AVFormatContext *s1, const uint8_t *buf1, int size);
  64. void ff_rtp_send_aac(AVFormatContext *s1, const uint8_t *buff, int size);
  65. void ff_rtp_send_latm(AVFormatContext *s1, const uint8_t *buff, int size);
  66. void ff_rtp_send_amr(AVFormatContext *s1, const uint8_t *buff, int size);
  67. void ff_rtp_send_mpegvideo(AVFormatContext *s1, const uint8_t *buf1, int size);
  68. void ff_rtp_send_xiph(AVFormatContext *s1, const uint8_t *buff, int size);
  69. void ff_rtp_send_vp8(AVFormatContext *s1, const uint8_t *buff, int size);
  70. #endif /* AVFORMAT_RTPENC_H */