basic type mechanism working

1 files changed, 246 insertions, 22 deletions

diff --git a/ffmpeg/doc/APIchanges b/ffmpeg/doc/APIchanges
index 255f914..21a8c4c 100644
--- a/ffmpeg/doc/APIchanges
+++ b/ffmpeg/doc/APIchanges
@@ -4,7 +4,7 @@ since the last major version increase or the API was added.
 The last version increases were:
 libavcodec:    2013-03-xx
 libavdevice:   2013-03-xx
-libavfilter:   2012-06-22
+libavfilter:   2013-12-xx
 libavformat:   2013-03-xx
 libavresample: 2012-10-05
 libpostproc:   2011-04-18
@@ -15,16 +15,211 @@ libavutil:     2012-10-22
 
 API changes, most recent first:
 
-2013-03-20 - xxxxxxx - lavu 52.22.100 - opt.h
+2013-12-22 - xxxxxxx - lavu 52.59.100 - avstring.h
+  Add av_strnlen() function.
+
+2013-12-xx - xxxxxxx - lavu 52.57.100 - opencl.h
+  Add av_opencl_benchmark() function.
+
+2013-11-xx - xxxxxxx - lavu 52.56.100 - ffversion.h
+  Moves version.h to libavutil/ffversion.h.
+  Install ffversion.h and make it public.
+
+2013-12-xx - xxxxxxx - lavc 55.28.1 - avcodec.h
+  av_frame_alloc(), av_frame_unref() and av_frame_free() now can and should be
+  used instead of avcodec_alloc_frame(), avcodec_get_frame_defaults() and
+  avcodec_free_frame() respectively. The latter three functions are deprecated.
+
+2013-11-xx - xxxxxxx- - lavu 52.20.0 - frame.h
+  Add AV_FRAME_DATA_STEREO3D value to the AVFrameSideDataType enum and
+  stereo3d.h API, that identify codec-independent stereo3d information.
+
+2013-11-xx - xxxxxxx- - lavu 52.19.0 - frame.h
+  Add AV_FRAME_DATA_A53_CC value to the AVFrameSideDataType enum, which
+  identifies ATSC A53 Part 4 Closed Captions data.
+
+2013-11-XX - xxxxxxx - lavu 52.54.100 - avstring.h
+  Add av_utf8_decode() function.
+
+2013-11-22 - fb7d70c - lavc 55.44.100 - avcodec.h
+  Add HEVC profiles
+
+2013-11-xx - xxxxxxx - lavc 55.44.100 - avcodec.h
+  Add av_packet_{un,}pack_dictionary()
+  Add AV_PKT_METADATA_UPDATE side data type, used to transmit key/value
+  strings between a stream and the application.
+
+2013-11-xx - xxxxxxx - lavu 52.18.0 - mem.h
+  Move av_fast_malloc() and av_fast_realloc() for libavcodec to libavutil.
+
+2013-10-xx - xxxxxxx - lavc 55.27.0 - avcodec.h
+  Deprecate AVCodecContext.error_rate, it is replaced by the 'error_rate'
+  private option of the mpegvideo encoder family.
+
+2013-11-xx - xxxxxxx - lavc 55.26.0 - vdpau.h
+  Add av_vdpau_get_profile().
+  Add av_vdpau_alloc_context(). This function must from now on be
+  used for allocating AVVDPAUContext.
+
+2013-11-xx - xxxxxxx - lavc 55.41.100 / 55.25.0 - avcodec.h
+                       lavu 52.51.100 - frame.h
+  Add ITU-R BT.2020 and other not yet included values to color primaries,
+  transfer characteristics and colorspaces.
+
+2013-11-04 - xxxxxxx - lavu 52.50.100 - avutil.h
+  Add av_fopen_utf8()
+
+2013-08-xx - xxxxxxx - lavu 52.17.0 - avframe.h
+  Add AVFrame.flags and AV_FRAME_FLAG_CORRUPT.
+
+2013-10-27 - xxxxxxx - lavc 55.39.100 - avcodec.h
+  Add CODEC_CAP_DELAY support to avcodec_decode_subtitle2.
+
+2013-10-27 - xxxxxxx - lavu 52.48.100 - parseutils.h
+  Add av_get_known_color_name().
+
+2013-10-17 - xxxxxxx - lavu 52.47.100 - opt.h
+  Add AV_OPT_TYPE_CHANNEL_LAYOUT and channel layout option handlers
+  av_opt_get_channel_layout() and av_opt_set_channel_layout().
+
+2013-10-xx - xxxxxxx -libswscale 2.5.101 - options.c
+  Change default scaler to bicubic
+
+2013-10-03 - xxxxxxx - lavc 55.34.100 - avcodec.h
+  Add av_codec_get_max_lowres()
+
+2013-10-02 - xxxxxxx - lavf 55.19.100 - avformat.h
+  Add audio/video/subtitle AVCodec fields to AVFormatContext to force specific
+  decoders
+
+2013-08-xx - xxxxxxx - lavfi 3.11.0 - avfilter.h
+  Add AVFilterGraph.execute and AVFilterGraph.opaque for custom slice threading
+  implementations.
+
+2013-09-21 - xxxxxxx - lavu 52.16.0 - pixfmt.h
+  Add interleaved 4:2:2 8/10-bit formats AV_PIX_FMT_NV16 and
+  AV_PIX_FMT_NV20.
+
+2013-09-16 - c74c3fb / 3feb3d6 - lavu 52.44.100 / 52.15.0 - mem.h
+  Add av_reallocp.
+
+2013-09-04 - 3e1f507 - lavc 55.31.101 - avcodec.h
+  avcodec_close() argument can be NULL.
+
+2013-09-04 - 36cd017 - lavf 55.16.101 - avformat.h
+  avformat_close_input() argument can be NULL and point on NULL.
+
+2013-08-29 - e31db62 - lavf 55.15.100 - avformat.h
+  Add av_format_get_probe_score().
+
+2013-08-15 - 1e0e193 - lsws 2.5.100 -
+  Add a sws_dither AVOption, allowing to set the dither algorithm used
+
+2013-08-xx - xxxxxxx - lavc 55.27.100 - vdpau.h
+  Add a render2 alternative to the render callback function.
+
+2013-08-xx - xxxxxxx - lavc 55.26.100 - vdpau.h
+  Add allocation function for AVVDPAUContext, allowing
+  to extend it in the future without breaking ABI/API.
+
+2013-08-10 - 67a580f / 5a9a9d4 - lavc 55.25.100 / 55.16.0 - avcodec.h
+  Extend AVPacket API with av_packet_unref, av_packet_ref,
+  av_packet_move_ref, av_packet_copy_props, av_packet_free_side_data.
+
+2013-08-05 - 9547e3e / f824535 - lavc 55.22.100 / 55.13.0 - avcodec.h
+  Deprecate the bitstream-related members from struct AVVDPAUContext.
+  The bistream buffers no longer need to be explicitly freed.
+
+2013-08-05 - 3b805dc / 549294f - lavc 55.21.100 / 55.12.0 - avcodec.h
+  Deprecate the CODEC_CAP_HWACCEL_VDPAU codec capability. Use CODEC_CAP_HWACCEL
+  and select the AV_PIX_FMT_VDPAU format with get_format() instead.
+
+2013-08-05 - 4ee0984 / a0ad5d0 - lavu 52.41.100 / 52.14.0 - pixfmt.h
+  Deprecate AV_PIX_FMT_VDPAU_*. Use AV_PIX_FMT_VDPAU instead.
+
+2013-08-02 - 82fdfe8 / a8b1927 - lavc 55.20.100 / 55.11.0 - avcodec.h
+  Add output_picture_number to AVCodecParserContext.
+
+2013-07-23 - abc8110 - lavc 55.19.100 - avcodec.h
+  Add avcodec_chroma_pos_to_enum()
+  Add avcodec_enum_to_chroma_pos()
+
+2013-07-03 - 838bd73 - lavfi 3.78.100 - avfilter.h
+  Deprecate avfilter_graph_parse() in favor of the equivalent
+  avfilter_graph_parse_ptr().
+
+2013-06-24 - af5f9c0 / 95d5246 - lavc 55.17.100 / 55.10.0 - avcodec.h
+  Add MPEG-2 AAC profiles
+
+2013-06-25 - af5f9c0 / 95d5246 - lavf 55.10.100 - avformat.h
+  Add AV_DISPOSITION_* flags to indicate text track kind.
+
+2013-06-15 - 99b8cd0 - lavu 52.36.100
+  Add AVRIPEMD:
+   av_ripemd_alloc()
+   av_ripemd_init()
+   av_ripemd_update()
+   av_ripemd_final()
+
+2013-06-04 - 30b491f / fc962d4 - lavu 52.35.100 / 52.13.0 - mem.h
+  Add av_realloc_array and av_reallocp_array
+
+2013-05-30 - 682b227 - lavu 52.35.100
+  Add AVSHA512:
+   av_sha512_alloc()
+   av_sha512_init()
+   av_sha512_update()
+   av_sha512_final()
+
+2013-05-24 - 8d4e969 / 129bb23 - lavfi 3.10.0 / 3.70.100 - avfilter.h
+  Add support for slice multithreading to lavfi. Filters supporting threading
+  are marked with AVFILTER_FLAG_SLICE_THREADS.
+  New fields AVFilterContext.thread_type, AVFilterGraph.thread_type and
+  AVFilterGraph.nb_threads (accessible directly or through AVOptions) may be
+  used to configure multithreading.
+
+2013-05-24 - fe40a9f / 2a6eaea - lavu 52.12.0 / 52.34.100 - cpu.h
+  Add av_cpu_count() function for getting the number of logical CPUs.
+
+2013-05-24 - 0c25c39 / b493847 - lavc 55.7.0 / 55.12.100 - avcodec.h
+  Add picture_structure to AVCodecParserContext.
+
+2013-05-17 - 3a751ea - lavu 52.33.100 - opt.h
+  Add AV_OPT_TYPE_COLOR value to AVOptionType enum.
+
+2013-05-13 - e398416 - lavu 52.31.100 - mem.h
+  Add av_dynarray2_add().
+
+2013-05-12 - 1776177 - lavfi 3.65.100
+  Add AVFILTER_FLAG_SUPPORT_TIMELINE* filter flags.
+
+2013-04-19 - 380cfce - lavc 55.4.100
+  Add AV_CODEC_PROP_TEXT_SUB property for text based subtitles codec.
+
+2013-04-18 - 7c1a002 - lavf 55.3.100
+  The matroska demuxer can now output proper verbatim ASS packets. It will
+  become the default starting lavf 56.0.100.
+
+2013-04-10 - af0d270 - lavu 25.26.100 - avutil.h,opt.h
+  Add av_int_list_length()
+  and av_opt_set_int_list().
+
+2013-03-30 - 5c73645 - lavu 52.24.100 - samplefmt.h
+  Add av_samples_alloc_array_and_samples().
+
+2013-03-29 - ef7b6b4 - lavf 55.1.100 - avformat.h
+  Add av_guess_frame_rate()
+
+2013-03-20 - 8d928a9 - lavu 52.22.100 - opt.h
   Add AV_OPT_TYPE_DURATION value to AVOptionType enum.
 
-2013-03-17 - xxxxxx - lavu 52.20.100 - opt.h
+2013-03-17 - 7aa9af5 - lavu 52.20.100 - opt.h
   Add AV_OPT_TYPE_VIDEO_RATE value to AVOptionType enum.
 
-2013-03-07 - xxxxxx - lavu 52.18.100 - avstring.h,bprint.h
+2013-03-07 - 9767ec6 - lavu 52.18.100 - avstring.h,bprint.h
   Add av_escape() and av_bprint_escape() API.
 
-2013-02-24 - xxxxxx - lavfi 3.41.100 - buffersink.h
+2013-02-24 - b59cd08 - lavfi 3.41.100 - buffersink.h
   Add sample_rates field to AVABufferSinkParams.
 
 2013-01-17 - a1a707f - lavf 54.61.100
@@ -37,7 +232,7 @@ API changes, most recent first:
   Add AVFilterLink.channels, avfilter_link_get_channels()
   and avfilter_ref_get_channels().
 
-2012-12-15 - 2ada584d - lavc 54.80.100 - avcodec.h
+2012-12-15 - 96d815fc - lavc 54.80.100 - avcodec.h
   Add pkt_size field to AVFrame.
 
 2012-11-25 - c70ec631 - lavu 52.9.100 - opt.h
@@ -150,23 +345,52 @@ API changes, most recent first:
 2012-03-26 - a67d9cf - lavfi 2.66.100
   Add avfilter_fill_frame_from_{audio_,}buffer_ref() functions.
 
-2013-xx-xx - lavu 52.9.0 - pixdesc.h
+2013-05-15 - ff46809 / e6c4ac7 - lavu 52.32.100 / 52.11.0 - pixdesc.h
+  Replace PIX_FMT_* flags with AV_PIX_FMT_FLAG_*.
+
+2013-04-03 - 6fc58a8 / 507b1e4 - lavc 55.7.100 / 55.4.0 - avcodec.h
+  Add field_order to AVCodecParserContext.
+
+2013-04-19 - f4b05cd / 5e83d9a - lavc 55.5.100 / 55.2.0 - avcodec.h
+  Add CODEC_FLAG_UNALIGNED to allow decoders to produce unaligned output.
+
+2013-04-11 - lavfi 3.53.100 / 3.8.0
+  231fd44 / 38f0c07 - Move all content from avfiltergraph.h to avfilter.h. Deprecate
+            avfilterhraph.h, user applications should include just avfilter.h
+  86070b8 / bc1a985 - Add avfilter_graph_alloc_filter(), deprecate avfilter_open() and
+            avfilter_graph_add_filter().
+  4fde705 / 1113672 - Add AVFilterContext.graph pointing to the AVFilterGraph that contains the
+            filter.
+  710b0aa / 48a5ada - Add avfilter_init_str(), deprecate avfilter_init_filter().
+  46de9ba / 1ba95a9 - Add avfilter_init_dict().
+  16fc24b / 7cdd737 - Add AVFilter.flags field and AVFILTER_FLAG_DYNAMIC_{INPUTS,OUTPUTS} flags.
+  f4db6bf / 7e8fe4b - Add avfilter_pad_count() for counting filter inputs/outputs.
+  835cc0f / fa2a34c - Add avfilter_next(), deprecate av_filter_next().
+            Deprecate avfilter_uninit().
+
+2013-04-09 - lavfi 3.51.100 / 3.7.0 - avfilter.h
+  0594ef0 / b439c99 - Add AVFilter.priv_class for exporting filter options through the
+            AVOptions API in the similar way private options work in lavc and lavf.
+  44d4488 / 8114c10 - Add avfilter_get_class().
+  Switch all filters to use AVOptions.
+
+2013-03-19 - 17ebef2 / 2c328a9 - lavu 52.20.100 / 52.9.0 - pixdesc.h
   Add av_pix_fmt_count_planes() function for counting planes in a pixel format.
 
-2013-xx-xx - lavfi 3.6.0
+2013-03-16 - ecade98 / 42c7c61 - lavfi 3.47.100 / 3.6.0
   Add AVFilterGraph.nb_filters, deprecate AVFilterGraph.filter_count.
 
-2013-03-xx - Reference counted buffers - lavu 52.8.0, lavc 55.0.0, lavf 55.0.0,
-lavd 54.0.0, lavfi 3.5.0
-  xxxxxxx, xxxxxxx - add a new API for reference counted buffers and buffer
+2013-03-08 - Reference counted buffers - lavu 52.8.0, lavc 55.0.100 / 55.0.0, lavf 55.0.100 / 55.0.0,
+lavd 54.4.100 / 54.0.0, lavfi 3.5.0
+  36099df / 8e401db, 532f31a / 1cec062 - add a new API for reference counted buffers and buffer
                      pools (new header libavutil/buffer.h).
-  xxxxxxx - add AVPacket.buf to allow reference counting for the AVPacket data.
+  2653e12 / 1afddbe - add AVPacket.buf to allow reference counting for the AVPacket data.
             Add av_packet_from_data() function for constructing packets from
             av_malloc()ed data.
-  xxxxxxx - move AVFrame from lavc to lavu (new header libavutil/frame.h), add
+  c4e8821 / 7ecc2d4 - move AVFrame from lavc to lavu (new header libavutil/frame.h), add
             AVFrame.buf/extended_buf to allow reference counting for the AVFrame
             data. Add new API for working with reference-counted AVFrames.
-  xxxxxxx - add the refcounted_frames field to AVCodecContext to make audio and
+  80e9e63 / 759001c - add the refcounted_frames field to AVCodecContext to make audio and
             video decoders return reference-counted frames. Add get_buffer2()
             callback to AVCodecContext which allocates reference-counted frames.
             Add avcodec_default_get_buffer2() as the default get_buffer2()
@@ -184,30 +408,30 @@ lavd 54.0.0, lavfi 3.5.0
                 * qscale_table, qstride, qscale_type, mbskip_table, motion_val,
                   mb_type, dct_coeff, ref_index -- mpegvideo-specific tables,
                   which are not exported anymore.
-  xxxxxxx - switch libavfilter to use AVFrame instead of AVFilterBufferRef. Add
+  a05a44e / 7e35037 - switch libavfilter to use AVFrame instead of AVFilterBufferRef. Add
             av_buffersrc_add_frame(), deprecate av_buffersrc_buffer().
             Add av_buffersink_get_frame() and av_buffersink_get_samples(),
             deprecate av_buffersink_read() and av_buffersink_read_samples().
             Deprecate AVFilterBufferRef and all functions for working with it.
 
-2013-xx-xx - xxxxxxx - lavu 52.8.0 - avstring.h
+2013-03-17 - 6c17ff8 / 12c5c1d - lavu 52.19.100 / 52.8.0 - avstring.h
   Add av_isdigit, av_isgraph, av_isspace, av_isxdigit.
 
-2013-xx-xx - xxxxxxx - lavfi 3.4.0 - avfiltergraph.h
+2013-02-23 - 71cf094 / 9f12235 - lavfi 3.40.100 / 3.4.0 - avfiltergraph.h
   Add resample_lavr_opts to AVFilterGraph for setting libavresample options
   for auto-inserted resample filters.
 
-2013-xx-xx - xxxxxxx - lavu 52.7.0 - dict.h
+2013-01-25 - e7e14bc / 38c1466 - lavu 52.17.100 / 52.7.0 - dict.h
   Add av_dict_parse_string() to set multiple key/value pairs at once from a
   string.
 
-2013-01-xx - xxxxxxx - lavu 52.6.0 - avstring.h
+2013-01-25 - 25be630 / b85a5e8 - lavu 52.16.100 / 52.6.0 - avstring.h
   Add av_strnstr()
 
-2013-01-xx - xxxxxxx - lavu 52.5.0 - hmac.h
+2013-01-15 - e7e0186 / 8ee288d - lavu 52.15.100 / 52.5.0 - hmac.h
   Add AVHMAC.
 
-2013-01-13 - xxxxxxx - lavc 54.87.100 / 54.36.0 - vdpau.h
+2013-01-13 - 8ee7b38 / 44e065d - lavc 54.87.100 / 54.36.0 - vdpau.h
   Add AVVDPAUContext struct for VDPAU hardware-accelerated decoding.
 
 2013-01-12 - dae382b / 169fb94 - lavu 52.14.100 / 52.4.0 - pixdesc.h
@@ -295,7 +519,7 @@ lavd 54.0.0, lavfi 3.5.0
 2012-07-29 - 7c26761 / 681ed00 - lavf 54.22.100 / 54.13.0 - avformat.h
   Add AVFMT_FLAG_NOBUFFER for low latency use cases.
 
-2012-07-10 - 5fade8a - lavu 51.37.0
+2012-07-10 - fbe0245 / f3e5e6f - lavu 51.65.100 / 51.37.0
   Add av_malloc_array() and av_mallocz_array()
 
 2012-06-22 - e847f41 / d3d3a32 - lavu 51.61.100 / 51.34.0