OpenShot Library | libopenshot  0.4.0
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FFmpegUtilities.h File Reference

Header file for FFmpegUtilities. More...

#include "OpenShotVersion.h"
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
#include <libswscale/swscale.h>
#include <libavresample/avresample.h>
#include <libavutil/mathematics.h>
#include <libavutil/pixfmt.h>
#include <libavutil/pixdesc.h>
#include <libavcodec/opt.h>
#include "libavutil/imgutils.h"
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Macros

#define ALLOC_CODEC_CTX(ctx, codec, stream)   ctx = avcodec_alloc_context3(codec);
 
#define AUDIO_PACKET_ENCODING_SIZE   768000
 
#define AV_ALLOCATE_FRAME()   av_frame_alloc()
 
#define AV_ALLOCATE_IMAGE(av_frame, pix_fmt, width, height)   av_image_alloc(av_frame->data, av_frame->linesize, width, height, pix_fmt, 1)
 
#define AV_COPY_PARAMS_FROM_CONTEXT(av_stream, av_codec)   avcodec_parameters_from_context(av_stream->codecpar, av_codec);
 
#define AV_COPY_PICTURE_DATA(av_frame, buffer, pix_fmt, width, height)   av_image_fill_arrays(av_frame->data, av_frame->linesize, buffer, pix_fmt, width, height, 1)
 
#define av_err2str(errnum)   av_err2string(errnum).c_str()
 
#define AV_ERROR_MAX_STRING_SIZE   64
 
#define AV_FILENAME   filename
 
#define AV_FIND_DECODER_CODEC_ID(av_stream)   av_stream->codecpar->codec_id
 
#define AV_FREE_CONTEXT(av_context)   avcodec_free_context(&av_context)
 
#define AV_FREE_FRAME(av_frame)   av_frame_free(av_frame)
 
#define AV_FREE_PACKET(av_packet)   av_packet_unref(av_packet)
 
#define AV_GET_CODEC_ATTRIBUTES(av_stream, av_context)   av_stream->codecpar
 
#define AV_GET_CODEC_CONTEXT(av_stream, av_codec)
 
#define AV_GET_CODEC_FROM_STREAM(av_stream, codec_in)
 
#define AV_GET_CODEC_PAR_CONTEXT(av_stream, av_codec)   av_codec;
 
#define AV_GET_CODEC_PIXEL_FORMAT(av_stream, av_context)   (AVPixelFormat) av_stream->codecpar->format
 
#define AV_GET_CODEC_TYPE(av_stream)   av_stream->codecpar->codec_type
 
#define AV_GET_IMAGE_SIZE(pix_fmt, width, height)   av_image_get_buffer_size(pix_fmt, width, height, 1)
 
#define AV_GET_SAMPLE_FORMAT(av_stream, av_context)   av_stream->codecpar->format
 
#define AV_OPTION_FIND(priv_data, name)   av_opt_find(priv_data, name, NULL, 0, 0)
 
#define AV_OPTION_SET(av_stream, priv_data, name, value, avcodec)
 
#define AV_OUTPUT_CONTEXT(output_context, path)   avformat_alloc_output_context2( output_context, NULL, NULL, path)
 
#define AV_REGISTER_ALL   av_register_all();
 
#define AV_RESET_FRAME(av_frame)   av_frame_unref(av_frame)
 
#define AV_SET_FILENAME(oc, f)   snprintf(oc->AV_FILENAME, sizeof(oc->AV_FILENAME), "%s", f)
 
#define AVCODEC_MAX_AUDIO_FRAME_SIZE   192000
 
#define AVCODEC_REGISTER_ALL   avcodec_register_all();
 
#define HAVE_CH_LAYOUT   (LIBAVUTIL_VERSION_INT >= AV_VERSION_INT(57, 28, 100))
 
#define INT64_C(c)   (c ## LL)
 
#define IS_FFMPEG_3_2   (LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(57, 64, 101))
 
#define MY_INPUT_BUFFER_PADDING_SIZE   FF_INPUT_BUFFER_PADDING_SIZE
 
#define PIX_FMT_NONE   AV_PIX_FMT_NONE
 
#define PIX_FMT_RGB24   AV_PIX_FMT_RGB24
 
#define PIX_FMT_RGBA   AV_PIX_FMT_RGBA
 
#define PIX_FMT_YUV420P   AV_PIX_FMT_YUV420P
 
#define PIX_FMT_YUV444P   AV_PIX_FMT_YUV444P
 
#define PixelFormat   AVPixelFormat
 
#define SWR_ALLOC()   avresample_alloc_context()
 
#define SWR_CLOSE(ctx)   avresample_close(ctx)
 
#define SWR_CONVERT(ctx, out, linesize, out_count, in, linesize2, in_count)   avresample_convert(ctx, out, linesize, out_count, (uint8_t **)in, linesize2, in_count)
 
#define SWR_FREE(ctx)   avresample_free(ctx)
 
#define SWR_INIT(ctx)   avresample_open(ctx)
 
#define SWRCONTEXT   AVAudioResampleContext
 
#define UINT64_C(c)   (c ## ULL)
 
#define USE_HW_ACCEL   (LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(57, 107, 100))
 
#define USE_SW   FFMPEG_USE_SWRESAMPLE
 

Detailed Description

Header file for FFmpegUtilities.

Author
Jonathan Thomas jonat.nosp@m.han@.nosp@m.opens.nosp@m.hot..nosp@m.org

License

Definition in file FFmpegUtilities.h.

Macro Definition Documentation

◆ ALLOC_CODEC_CTX

#define ALLOC_CODEC_CTX (   ctx,
  codec,
  stream 
)    ctx = avcodec_alloc_context3(codec);

Definition at line 226 of file FFmpegUtilities.h.

◆ AUDIO_PACKET_ENCODING_SIZE

#define AUDIO_PACKET_ENCODING_SIZE   768000

Definition at line 85 of file FFmpegUtilities.h.

◆ AV_ALLOCATE_FRAME

#define AV_ALLOCATE_FRAME ( )    av_frame_alloc()

Definition at line 198 of file FFmpegUtilities.h.

◆ AV_ALLOCATE_IMAGE

#define AV_ALLOCATE_IMAGE (   av_frame,
  pix_fmt,
  width,
  height 
)    av_image_alloc(av_frame->data, av_frame->linesize, width, height, pix_fmt, 1)

Definition at line 199 of file FFmpegUtilities.h.

◆ AV_COPY_PARAMS_FROM_CONTEXT

#define AV_COPY_PARAMS_FROM_CONTEXT (   av_stream,
  av_codec 
)    avcodec_parameters_from_context(av_stream->codecpar, av_codec);

Definition at line 228 of file FFmpegUtilities.h.

◆ AV_COPY_PICTURE_DATA

#define AV_COPY_PICTURE_DATA (   av_frame,
  buffer,
  pix_fmt,
  width,
  height 
)    av_image_fill_arrays(av_frame->data, av_frame->linesize, buffer, pix_fmt, width, height, 1)

Definition at line 218 of file FFmpegUtilities.h.

◆ av_err2str

#define av_err2str (   errnum)    av_err2string(errnum).c_str()

Definition at line 98 of file FFmpegUtilities.h.

◆ AV_ERROR_MAX_STRING_SIZE

#define AV_ERROR_MAX_STRING_SIZE   64

Definition at line 81 of file FFmpegUtilities.h.

◆ AV_FILENAME

#define AV_FILENAME   filename

Definition at line 195 of file FFmpegUtilities.h.

◆ AV_FIND_DECODER_CODEC_ID

#define AV_FIND_DECODER_CODEC_ID (   av_stream)    av_stream->codecpar->codec_id

Definition at line 206 of file FFmpegUtilities.h.

◆ AV_FREE_CONTEXT

#define AV_FREE_CONTEXT (   av_context)    avcodec_free_context(&av_context)

Definition at line 204 of file FFmpegUtilities.h.

◆ AV_FREE_FRAME

#define AV_FREE_FRAME (   av_frame)    av_frame_free(av_frame)

Definition at line 202 of file FFmpegUtilities.h.

◆ AV_FREE_PACKET

#define AV_FREE_PACKET (   av_packet)    av_packet_unref(av_packet)

Definition at line 203 of file FFmpegUtilities.h.

◆ AV_GET_CODEC_ATTRIBUTES

#define AV_GET_CODEC_ATTRIBUTES (   av_stream,
  av_context 
)    av_stream->codecpar

Definition at line 213 of file FFmpegUtilities.h.

◆ AV_GET_CODEC_CONTEXT

#define AV_GET_CODEC_CONTEXT (   av_stream,
  av_codec 
)
Value:
({ AVCodecContext *context = avcodec_alloc_context3(av_codec); \
avcodec_parameters_to_context(context, av_stream->codecpar); \
context; })

Definition at line 207 of file FFmpegUtilities.h.

◆ AV_GET_CODEC_FROM_STREAM

#define AV_GET_CODEC_FROM_STREAM (   av_stream,
  codec_in 
)

Definition at line 212 of file FFmpegUtilities.h.

◆ AV_GET_CODEC_PAR_CONTEXT

#define AV_GET_CODEC_PAR_CONTEXT (   av_stream,
  av_codec 
)    av_codec;

Definition at line 211 of file FFmpegUtilities.h.

◆ AV_GET_CODEC_PIXEL_FORMAT

#define AV_GET_CODEC_PIXEL_FORMAT (   av_stream,
  av_context 
)    (AVPixelFormat) av_stream->codecpar->format

Definition at line 214 of file FFmpegUtilities.h.

◆ AV_GET_CODEC_TYPE

#define AV_GET_CODEC_TYPE (   av_stream)    av_stream->codecpar->codec_type

Definition at line 205 of file FFmpegUtilities.h.

◆ AV_GET_IMAGE_SIZE

#define AV_GET_IMAGE_SIZE (   pix_fmt,
  width,
  height 
)    av_image_get_buffer_size(pix_fmt, width, height, 1)

Definition at line 217 of file FFmpegUtilities.h.

◆ AV_GET_SAMPLE_FORMAT

#define AV_GET_SAMPLE_FORMAT (   av_stream,
  av_context 
)    av_stream->codecpar->format

Definition at line 216 of file FFmpegUtilities.h.

◆ AV_OPTION_FIND

#define AV_OPTION_FIND (   priv_data,
  name 
)    av_opt_find(priv_data, name, NULL, 0, 0)

Definition at line 222 of file FFmpegUtilities.h.

◆ AV_OPTION_SET

#define AV_OPTION_SET (   av_stream,
  priv_data,
  name,
  value,
  avcodec 
)
Value:
av_opt_set(priv_data, name, value, 0); \
avcodec_parameters_from_context(av_stream->codecpar, avcodec);

Definition at line 223 of file FFmpegUtilities.h.

◆ AV_OUTPUT_CONTEXT

#define AV_OUTPUT_CONTEXT (   output_context,
  path 
)    avformat_alloc_output_context2( output_context, NULL, NULL, path)

Definition at line 220 of file FFmpegUtilities.h.

◆ AV_REGISTER_ALL

#define AV_REGISTER_ALL   av_register_all();

Definition at line 193 of file FFmpegUtilities.h.

◆ AV_RESET_FRAME

#define AV_RESET_FRAME (   av_frame)    av_frame_unref(av_frame)

Definition at line 201 of file FFmpegUtilities.h.

◆ AV_SET_FILENAME

#define AV_SET_FILENAME (   oc,
  f 
)    snprintf(oc->AV_FILENAME, sizeof(oc->AV_FILENAME), "%s", f)

Definition at line 196 of file FFmpegUtilities.h.

◆ AVCODEC_MAX_AUDIO_FRAME_SIZE

#define AVCODEC_MAX_AUDIO_FRAME_SIZE   192000

Definition at line 78 of file FFmpegUtilities.h.

◆ AVCODEC_REGISTER_ALL

#define AVCODEC_REGISTER_ALL   avcodec_register_all();

Definition at line 194 of file FFmpegUtilities.h.

◆ HAVE_CH_LAYOUT

#define HAVE_CH_LAYOUT   (LIBAVUTIL_VERSION_INT >= AV_VERSION_INT(57, 28, 100))

Definition at line 36 of file FFmpegUtilities.h.

◆ INT64_C

#define INT64_C (   c)    (c ## LL)

Definition at line 20 of file FFmpegUtilities.h.

◆ IS_FFMPEG_3_2

#define IS_FFMPEG_3_2   (LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(57, 64, 101))

Definition at line 25 of file FFmpegUtilities.h.

◆ MY_INPUT_BUFFER_PADDING_SIZE

#define MY_INPUT_BUFFER_PADDING_SIZE   FF_INPUT_BUFFER_PADDING_SIZE

Definition at line 197 of file FFmpegUtilities.h.

◆ PIX_FMT_NONE

#define PIX_FMT_NONE   AV_PIX_FMT_NONE

Definition at line 108 of file FFmpegUtilities.h.

◆ PIX_FMT_RGB24

#define PIX_FMT_RGB24   AV_PIX_FMT_RGB24

Definition at line 111 of file FFmpegUtilities.h.

◆ PIX_FMT_RGBA

#define PIX_FMT_RGBA   AV_PIX_FMT_RGBA

Definition at line 105 of file FFmpegUtilities.h.

◆ PIX_FMT_YUV420P

#define PIX_FMT_YUV420P   AV_PIX_FMT_YUV420P

Definition at line 114 of file FFmpegUtilities.h.

◆ PIX_FMT_YUV444P

#define PIX_FMT_YUV444P   AV_PIX_FMT_YUV444P

Definition at line 117 of file FFmpegUtilities.h.

◆ PixelFormat

#define PixelFormat   AVPixelFormat

Definition at line 102 of file FFmpegUtilities.h.

◆ SWR_ALLOC

#define SWR_ALLOC ( )    avresample_alloc_context()

Definition at line 146 of file FFmpegUtilities.h.

◆ SWR_CLOSE

#define SWR_CLOSE (   ctx)    avresample_close(ctx)

Definition at line 147 of file FFmpegUtilities.h.

◆ SWR_CONVERT

#define SWR_CONVERT (   ctx,
  out,
  linesize,
  out_count,
  in,
  linesize2,
  in_count 
)    avresample_convert(ctx, out, linesize, out_count, (uint8_t **)in, linesize2, in_count)

Definition at line 144 of file FFmpegUtilities.h.

◆ SWR_FREE

#define SWR_FREE (   ctx)    avresample_free(ctx)

Definition at line 148 of file FFmpegUtilities.h.

◆ SWR_INIT

#define SWR_INIT (   ctx)    avresample_open(ctx)

Definition at line 149 of file FFmpegUtilities.h.

◆ SWRCONTEXT

#define SWRCONTEXT   AVAudioResampleContext

Definition at line 150 of file FFmpegUtilities.h.

◆ UINT64_C

#define UINT64_C (   c)    (c ## ULL)

Definition at line 21 of file FFmpegUtilities.h.

◆ USE_HW_ACCEL

#define USE_HW_ACCEL   (LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(57, 107, 100))

Definition at line 29 of file FFmpegUtilities.h.

◆ USE_SW

#define USE_SW   FFMPEG_USE_SWRESAMPLE

Definition at line 33 of file FFmpegUtilities.h.

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