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FFmpeg/doc/APIchanges

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  1. Never assume the API of libav* to be stable unless at least 1 week has passed since

  2. the last major version increase.

  3. The last version increases were:

  4. libavcodec:  ?

  5. libavdevice: ?

  6. libavfilter: 2009-10-18

  7. libavformat: ?

  8. libpostproc: ?

  9. libswscale:  ?

  10. libavutil:   2009-03-08

  11. 

  12. 

  13. API changes, most recent first:

  14. 

  15. 2009-10-18 - r20272 - lavfi 1.0.0 - avfilter_get_video_buffer()

  16.   Make avfilter_get_video_buffer() recursive and add the w and h

  17.   parameters to it.

  18. 

  19. 2009-10-07 - r20189 - lavfi 0.5.1 - AVFilterPic

  20.   Added w and h fields to AVFilterPic.

  21. 

  22. 2009-06-22 - r19250 - lavf 52.34.1 - AVFormatContext.packet_size

  23.   This is now an unsigned int instead of a signed int.

  24. 

  25. 2009-06-19 - r19222 - lavc 52.32.0 - AVSubtitle.pts

  26.   Added a pts field to AVSubtitle which gives the subtitle's packet

  27.   PTS in AV_TIME_BASE. Some subtitle de-/encoders (e.g. XSUB) will

  28.   not work right without this.

  29. 

  30. 2009-06-03 - r19078 - lavc 52.30.2 - AV_PKT_FLAG_KEY

  31.   PKT_FLAG_KEY has been deprecated and will be dropped for the next

  32.   major version. Use AV_PKT_FLAG_KEY instead.

  33. 

  34. 2009-06-01 - r19025 - lavc 52.30.0 - av_lockmgr_register()

  35.   av_lockmgr_register() can be used to register a callback function

  36.   that lavc (and in the future, libraries that depend on lavc) can use

  37.   to implement mutexes. The application should provide a callback function

  38.   the implements the AV_LOCK_* operations described in avcodec.h.

  39.   When the lock manager is registered FFmpeg is guaranteed to behave

  40.   correct also in a multi-threaded application.

  41. 

  42. 2009-04-30 - r18719 - lavc 52.28.0 - av_free_packet

  43.   av_free_packet() is no longer an inline function. It is now exported.

  44. 

  45. 2009-04-11 - r18431 - lavc 52.25.0 - deprecate av_destruct_packet_nofree

  46.   Please use NULL instead. This has been supported since r16506

  47.   (lavf > 52.23.1, lavc > 52.10.0).

  48. 

  49. 2009-04-07 - r18351 - lavc 52.23.0 - avcodec_decode_video/audio/subtitle

  50.   The old decoding functions are deprecated, all new code should use the

  51.   new functions avcodec_decode_video2(), avcodec_decode_audio3() and

  52.   avcodec_decode_subtitle2(). These new functions take an AVPacket *pkt

  53.   argument instead of a const uint8_t *buf / int buf_size pair.

  54. 

  55. 2009-04-03 - r18321 - lavu 50.3.0 - av_fifo_space

  56.   Introduce the av_fifo_space() function.

  57. 

  58. 2009-04-02 - r18317 - lavc 52.23.0 - AVPacket

  59.   Move AVPacket declaration from libavformat/avformat.h to

  60.   libavcodec/avcodec.h.

  61. 

  62. 2009-03-22 - r18163 - lavu 50.2.0 - RGB32 pixel formats

  63.   Make the pixel formats: PIX_FMT_ARGB, PIX_FMT_RGBA, PIX_FMT_ABGR,

  64.   PIX_FMT_BGRA, which were defined as macros, defined as enum

  65.   PixelFormat values, and viceversa make PIX_FMT_RGB32,

  66.   PIX_FMT_RGB32_1, PIX_FMT_BGR32, PIX_FMT_BGR32_1 defined as macros.

  67.   Also make avcodec_get_pix_fmt() recognize the "rgb32" and "bgr32"

  68.   aliases.

  69.   Re-sort the enum PixelFormat list accordingly.

  70.   This change breaks API/ABI backward compatibility.

  71. 

  72. 2009-03-22 - r18133 - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants

  73.   Add the enum PixelFormat values:

  74.   PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,

  75.   PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.

  76. 

  77. 2009-03-21 - r18116 - lavu 50.0.0  - av_random*

  78.   The Mersenne Twister PRNG implemented through the av_random* functions

  79.   was removed. Use the lagged Fibonacci PRNG through the av_lfg* functions

  80.   instead.

  81. 

  82. 2009-03-08 - r17869 - lavu 50.0.0  - AVFifoBuffer

  83.   av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped

  84.   and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write

  85.   and av_fifo_realloc2.

  86.   In addition, the order of the function arguments of av_fifo_generic_read

  87.   were changed to match av_fifo_generic_write.

  88.   The AVFifoBuffer/struct AVFifoBuffer may only be used in an opaque way by

  89.   applications, they may not use sizeof() or directly access members.

  90. 

  91. 2009-03-01 - r17682 - lavf 52.31.0 - Generic metadata API

  92.   Introduce a new metadata API (see av_metadata_get() and friends).

  93.   The old API is now deprecated and should not be used anymore. This especially

  94.   includes the following structure fields:

  95.     - AVFormatContext.title

  96.     - AVFormatContext.author

  97.     - AVFormatContext.copyright

  98.     - AVFormatContext.comment

  99.     - AVFormatContext.album

  100.     - AVFormatContext.year

  101.     - AVFormatContext.track

  102.     - AVFormatContext.genre

  103.     - AVStream.language

  104.     - AVStream.filename

  105.     - AVProgram.provider_name

  106.     - AVProgram.name

  107.     - AVChapter.title