[FFmpeg-devel,v3,1/3] lavd: Add SDL2 output device

Acked-by: Michael Niedermayer
Signed-off-by: Josh de Kock <josh@itanimul.li>
---
 configure                |  23 +++
 libavdevice/Makefile     |   1 +
 libavdevice/alldevices.c |   1 +
 libavdevice/sdl2.c       | 373 +++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 398 insertions(+)
 create mode 100644 libavdevice/sdl2.c

On 9/11/16, Josh de Kock <josh@itanimul.li> wrote:
> Acked-by: Michael Niedermayer
> Signed-off-by: Josh de Kock <josh@itanimul.li>
> ---
>  configure                |  23 +++
>  libavdevice/Makefile     |   1 +
>  libavdevice/alldevices.c |   1 +
>  libavdevice/sdl2.c       | 373
> +++++++++++++++++++++++++++++++++++++++++++++++
>  4 files changed, 398 insertions(+)
>  create mode 100644 libavdevice/sdl2.c
>
> diff --git a/configure b/configure
> index b11ca7f..d6c02fe 100755
> --- a/configure
> +++ b/configure
> @@ -292,6 +292,7 @@ External library support:
>    --disable-schannel       disable SChannel SSP, needed for TLS support on
>                             Windows if openssl and gnutls are not used
> [autodetect]
>    --disable-sdl            disable sdl [autodetect]
> +  --disable-sdl2           disable sdl2 [autodetect]
>    --disable-securetransport disable Secure Transport, needed for TLS
> support
>                             on OSX if openssl and gnutls are not used
> [autodetect]
>    --enable-x11grab         enable X11 grabbing (legacy) [no]
> @@ -1548,6 +1549,7 @@ EXTERNAL_LIBRARY_LIST="
>      openssl
>      schannel
>      sdl
> +    sdl2
>      securetransport
>      videotoolbox
>      x11grab
> @@ -2022,6 +2024,7 @@ HAVE_LIST="
>      perl
>      pod2man
>      sdl
> +    sdl2
>      section_data_rel_ro
>      texi2html
>      threads
> @@ -2945,6 +2948,7 @@ pulse_outdev_deps="libpulse"
>  qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework
> QuartzCore"
>  qtkit_indev_select="qtkit"
>  sdl_outdev_deps="sdl"
> +sdl2_outdev_deps="sdl2"
>  sndio_indev_deps="sndio_h"
>  sndio_outdev_deps="sndio_h"
>  v4l_indev_deps="linux_videodev_h"
> @@ -5876,6 +5880,24 @@ if ! disabled sdl; then
>  fi
>  enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
>
> +if ! disabled sdl2 && ! enabled sdl; then
> +    SDL2_CONFIG="${cross_prefix}sdl2-config"
> +    if check_pkg_config sdl2 SDL_events.h SDL_PollEvent; then
> +        check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 |
> SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
> +        check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 |
> SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
> +        enable sdl2
> +    else
> +      if "${SDL2_CONFIG}" --version > /dev/null 2>&1; then
> +        sdl2_cflags=$("${SDL2_CONFIG}" --cflags)
> +        sdl2_libs=$("${SDL2_CONFIG}" --libs)
> +        check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 |
> SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
> +        check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 |
> SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
> +        enable sdl2
> +      fi
> +    fi
> +fi
> +enabled sdl2 && add_cflags $sdl2_cflags && add_extralibs $sdl2_libs
> +
>  disabled securetransport || { check_func SecIdentityCreate
> "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&
>      check_lib2 "Security/SecureTransport.h Security/Security.h"
> "SSLCreateContext SecItemImport" "-Wl,-framework,CoreFoundation
> -Wl,-framework,Security" &&
>      enable securetransport; }
> @@ -6480,6 +6502,7 @@ echo "network support           ${network-no}"
>  echo "threading support         ${thread_type-no}"
>  echo "safe bitstream reader     ${safe_bitstream_reader-no}"
>  echo "SDL support               ${sdl-no}"
> +echo "SDL2 support              ${sdl2-no}"
>  echo "opencl enabled            ${opencl-no}"
>  echo "JNI support               ${jni-no}"
>  echo "texi2html enabled         ${texi2html-no}"
> diff --git a/libavdevice/Makefile b/libavdevice/Makefile
> index 585827b..1c4b4d3 100644
> --- a/libavdevice/Makefile
> +++ b/libavdevice/Makefile
> @@ -41,6 +41,7 @@ OBJS-$(CONFIG_PULSE_OUTDEV)              +=
> pulse_audio_enc.o \
>                                              pulse_audio_common.o
>  OBJS-$(CONFIG_QTKIT_INDEV)               += qtkit.o
>  OBJS-$(CONFIG_SDL_OUTDEV)                += sdl.o
> +OBJS-$(CONFIG_SDL2_OUTDEV)               += sdl2.o
>  OBJS-$(CONFIG_SNDIO_INDEV)               += sndio_dec.o sndio.o
>  OBJS-$(CONFIG_SNDIO_OUTDEV)              += sndio_enc.o sndio.o
>  OBJS-$(CONFIG_V4L2_INDEV)                += v4l2.o v4l2-common.o
> timefilter.o
> diff --git a/libavdevice/alldevices.c b/libavdevice/alldevices.c
> index 26aecf2..c0a9d9a 100644
> --- a/libavdevice/alldevices.c
> +++ b/libavdevice/alldevices.c
> @@ -64,6 +64,7 @@ void avdevice_register_all(void)
>      REGISTER_INOUTDEV(PULSE,            pulse);
>      REGISTER_INDEV   (QTKIT,            qtkit);
>      REGISTER_OUTDEV  (SDL,              sdl);
> +    REGISTER_OUTDEV  (SDL2,             sdl2);
>      REGISTER_INOUTDEV(SNDIO,            sndio);
>      REGISTER_INOUTDEV(V4L2,             v4l2);
>  //    REGISTER_INDEV   (V4L,              v4l
> diff --git a/libavdevice/sdl2.c b/libavdevice/sdl2.c
> new file mode 100644
> index 0000000..cad0713
> --- /dev/null
> +++ b/libavdevice/sdl2.c
> @@ -0,0 +1,373 @@
> +/*
> + * Copyright (c) 2016 Josh de Kock
> + *
> + * This file is part of FFmpeg.
> + *
> + * FFmpeg is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU Lesser General Public
> + * License as published by the Free Software Foundation; either
> + * version 2.1 of the License, or (at your option) any later version.
> + *
> + * FFmpeg is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> + * Lesser General Public License for more details.
> + *
> + * You should have received a copy of the GNU Lesser General Public
> + * License along with FFmpeg; if not, write to the Free Software
> + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
> USA
> + */
> +
> +/**
> + * @file
> + * libSDL2 output device
> + */
> +
> +#include <SDL.h>
> +#include <SDL_thread.h>
> +
> +#include "libavutil/avstring.h"
> +#include "libavutil/imgutils.h"
> +#include "libavutil/opt.h"
> +#include "libavutil/parseutils.h"
> +#include "libavutil/pixdesc.h"
> +#include "libavutil/time.h"
> +#include "avdevice.h"
> +
> +typedef struct {
> +    AVClass *class;
> +    SDL_Window *window;
> +    SDL_Renderer *renderer;
> +    char *window_title;
> +    int window_width,  window_height;  /**< size of the window */
> +    int window_fullscreen;
> +    int window_borderless;
> +
> +    SDL_Texture *texture;
> +    int texture_fmt;
> +    SDL_Rect texture_rect;
> +
> +    int inited;
> +    SDL_Thread *event_thread;
> +    SDL_mutex *mutex;
> +    SDL_cond *init_cond;
> +    int quit;
> +} SDLContext;
> +
> +static const struct sdl_texture_format_entry {
> +    enum AVPixelFormat format; int texture_fmt;
> +} sdl_texture_format_map[] = {
> +    { AV_PIX_FMT_RGB8, SDL_PIXELFORMAT_RGB332 },
> +    { AV_PIX_FMT_RGB444, SDL_PIXELFORMAT_RGB444 },
> +    { AV_PIX_FMT_RGB555, SDL_PIXELFORMAT_RGB555 },
> +    { AV_PIX_FMT_BGR555, SDL_PIXELFORMAT_BGR555 },
> +    // { AV_PIX_FMT_NONE, SDL_PIXELFORMAT_ARGB4444 }, // these aren't
> implemented in FFmpeg
> +    // { AV_PIX_FMT_NONE, SDL_PIXELFORMAT_RGBA4444 }, // but keeping them
> here in-case they
> +    // { AV_PIX_FMT_NONE, SDL_PIXELFORMAT_ABGR4444 }, // are
> +    // { AV_PIX_FMT_NONE, SDL_PIXELFORMAT_BGRA4444 },
> +    // { AV_PIX_FMT_NONE, SDL_PIXELFORMAT_ARGB1555 },
> +    // { AV_PIX_FMT_NONE, SDL_PIXELFORMAT_RGBA5551 },
> +    // { AV_PIX_FMT_NONE, SDL_PIXELFORMAT_ABGR1555 },
> +    // { AV_PIX_FMT_NONE, SDL_PIXELFORMAT_BGRA5551 },
> +    { AV_PIX_FMT_RGB565, SDL_PIXELFORMAT_RGB565 },
> +    { AV_PIX_FMT_BGR565, SDL_PIXELFORMAT_BGR565 },
> +    { AV_PIX_FMT_RGB24, SDL_PIXELFORMAT_RGB24 },
> +    { AV_PIX_FMT_BGR24, SDL_PIXELFORMAT_BGR24 },
> +    { AV_PIX_FMT_RGB24, SDL_PIXELFORMAT_RGB888 }, // is this right?
> +    { AV_PIX_FMT_RGB0, SDL_PIXELFORMAT_RGBX8888 },
> +    { AV_PIX_FMT_BGR24, SDL_PIXELFORMAT_BGR888 }, // is this right?
> +    { AV_PIX_FMT_BGR0, SDL_PIXELFORMAT_BGRX8888 },
> +    { AV_PIX_FMT_ARGB, SDL_PIXELFORMAT_ARGB8888 },
> +    { AV_PIX_FMT_RGBA, SDL_PIXELFORMAT_RGBA8888 },
> +    { AV_PIX_FMT_ABGR, SDL_PIXELFORMAT_ABGR8888 },
> +    { AV_PIX_FMT_BGRA, SDL_PIXELFORMAT_BGRA8888 },
> +    // { AV_PIX_FMT_NONE, SDL_PIXELFORMAT_ARGB2101010 }, // not implemented
> +    { AV_PIX_FMT_YUV420P, SDL_PIXELFORMAT_IYUV },
> +    { AV_PIX_FMT_YUYV422, SDL_PIXELFORMAT_YUY2 },
> +    { AV_PIX_FMT_UYVY422, SDL_PIXELFORMAT_UYVY },
> +    { AV_PIX_FMT_NONE,    0                },
> +};
> +
> +static void compute_texture_rect(AVFormatContext *s)
> +{
> +    AVRational sar, dar; /* sample and display aspect ratios */
> +    SDLContext *sdl = s->priv_data;
> +    AVStream *st = s->streams[0];
> +    AVCodecParameters *codecpar = st->codecpar;
> +    SDL_Rect *texture_rect = &sdl->texture_rect;
> +
> +    /* compute texture width and height from the codec context information
> */
> +    sar = st->sample_aspect_ratio.num ? st->sample_aspect_ratio :
> (AVRational){ 1, 1 };
> +    dar = av_mul_q(sar, (AVRational){ codecpar->width, codecpar->height });
> +
> +    /* we suppose the screen has a 1/1 sample aspect ratio */
> +    if (sdl->window_width && sdl->window_height) {
> +        /* fit in the window */
> +        if (av_cmp_q(dar, (AVRational){ sdl->window_width,
> sdl->window_height }) > 0) {
> +            /* fit in width */
> +            texture_rect->w = sdl->window_width;
> +            texture_rect->h = av_rescale(texture_rect->w, dar.den,
> dar.num);
> +        } else {
> +            /* fit in height */
> +            texture_rect->h = sdl->window_height;
> +            texture_rect->w = av_rescale(texture_rect->h, dar.num,
> dar.den);
> +        }
> +    } else {
> +        if (sar.num > sar.den) {
> +            texture_rect->w = codecpar->width;
> +            texture_rect->h = av_rescale(texture_rect->w, dar.den,
> dar.num);
> +        } else {
> +            texture_rect->h = codecpar->height;
> +            texture_rect->w = av_rescale(texture_rect->h, dar.num,
> dar.den);
> +        }
> +        sdl->window_width  = texture_rect->w;
> +        sdl->window_height = texture_rect->h;
> +    }
> +
> +    texture_rect->x = (sdl->window_width  - texture_rect->w) / 2;
> +    texture_rect->y = (sdl->window_height - texture_rect->h) / 2;
> +}
> +
> +static int sdl2_write_trailer(AVFormatContext *s)
> +{
> +    SDLContext *sdl = s->priv_data;
> +
> +    sdl->quit = 1;
> +
> +    if (sdl->texture)
> +        SDL_DestroyTexture(sdl->texture);
> +    sdl->texture = NULL;
> +    if (sdl->event_thread)
> +        SDL_WaitThread(sdl->event_thread, NULL);
> +    sdl->event_thread = NULL;
> +    if (sdl->mutex)
> +        SDL_DestroyMutex(sdl->mutex);
> +    sdl->mutex = NULL;
> +    if (sdl->init_cond)
> +        SDL_DestroyCond(sdl->init_cond);
> +    sdl->init_cond = NULL;
> +
> +    if (sdl->renderer)
> +        SDL_DestroyRenderer(sdl->renderer);
> +    sdl->renderer = NULL;
> +
> +    if (sdl->window)
> +        SDL_DestroyWindow(sdl->window);
> +    sdl->window = NULL;
> +
> +    if (!sdl->inited)
> +        SDL_Quit();
> +
> +    return 0;
> +}
> +
> +#define SDL_BASE_FLAGS (SDL_SWSURFACE|SDL_WINDOW_RESIZABLE)
> +
> +static int sdl2_write_header(AVFormatContext *s)
> +{
> +    SDLContext *sdl = s->priv_data;
> +    AVStream *st = s->streams[0];
> +    AVCodecParameters *codecpar = st->codecpar;
> +    int i, ret = 0;
> +
> +    if (!sdl->window_title)
> +        sdl->window_title = av_strdup(s->filename);
> +
> +    if (SDL_WasInit(SDL_INIT_VIDEO)) {
> +        av_log(s, AV_LOG_WARNING,
> +               "SDL video subsystem was already inited, you could have
> multiple SDL outputs. This may cause unknown behaviour.\n");
> +        sdl->inited = 1;
> +    }
> +
> +    if (   s->nb_streams > 1
> +        || codecpar->codec_type != AVMEDIA_TYPE_VIDEO
> +        || codecpar->codec_id   != AV_CODEC_ID_RAWVIDEO) {
> +        av_log(s, AV_LOG_ERROR, "Only supports one rawvideo stream\n");
> +        goto fail;
> +    }
> +
> +    for (i = 0; sdl_texture_format_map[i].format != AV_PIX_FMT_NONE; i++) {
> +        if (sdl_texture_format_map[i].format == codecpar->format) {
> +            sdl->texture_fmt = sdl_texture_format_map[i].texture_fmt;
> +            break;
> +        }
> +    }
> +
> +    if (!sdl->texture_fmt) {
> +        av_log(s, AV_LOG_ERROR,
> +               "Unsupported pixel format '%s', choose one of yuv420p,
> yuyv422, uyvy422, BGRA\n",
> +               av_get_pix_fmt_name(codecpar->format));
> +        goto fail;
> +    }
> +
> +    /* resize texture to width and height from the codec context
> information */
> +    int flags;
> +    flags = SDL_BASE_FLAGS | (sdl->window_fullscreen ?
> SDL_WINDOW_FULLSCREEN : 0) |
> +                             (sdl->window_borderless ?
> SDL_WINDOW_BORDERLESS : 0);
> +
> +    /* initialization */
> +    if (!sdl->inited){
> +        if (SDL_Init(SDL_INIT_VIDEO) != 0) {
> +            av_log(s, AV_LOG_ERROR, "Unable to initialize SDL: %s\n",
> SDL_GetError());
> +            goto fail;
> +        }
> +    }
> +
> +    sdl->window_width = sdl->texture_rect.w = codecpar->width;
> +    sdl->window_height = sdl->texture_rect.h = codecpar->height;
> +    sdl->texture_rect.x = sdl->texture_rect.y = 0;
> +
> +    if (SDL_CreateWindowAndRenderer(sdl->window_width, sdl->window_height,
> +                                    flags, &sdl->window, &sdl->renderer) !=
> 0){
> +        av_log(sdl, AV_LOG_ERROR, "Couldn't create window and renderer:
> %s\n", SDL_GetError());
> +        goto fail;
> +    }
> +
> +    SDL_SetWindowTitle(sdl->window, sdl->window_title);
> +
> +    sdl->texture = SDL_CreateTexture(sdl->renderer, sdl->texture_fmt,
> SDL_TEXTUREACCESS_STREAMING,
> +                                     sdl->window_width,
> sdl->window_height);
> +
> +    if (!sdl->texture) {
> +        av_log(sdl, AV_LOG_ERROR, "Unable to set create mode: %s\n",
> SDL_GetError());
> +        goto fail;
> +    }
> +
> +    av_log(s, AV_LOG_VERBOSE, "w:%d h:%d fmt:%s -> w:%d h:%d\n",
> +           codecpar->width, codecpar->height,
> av_get_pix_fmt_name(codecpar->format),
> +           sdl->window_width, sdl->window_height);
> +
> +    sdl->inited = 1;
> +
> +    return 0;
> +fail:
> +    sdl2_write_trailer(s);
> +    return ret;
> +}
> +
> +static int sdl2_write_packet(AVFormatContext *s, AVPacket *pkt)
> +{
> +    int ret = 0;
> +    SDLContext *sdl = s->priv_data;
> +    AVCodecParameters *codecpar = s->streams[0]->codecpar;
> +    uint8_t *data[4];
> +    int linesize[4];
> +
> +    SDL_Event event;
> +    if (SDL_PollEvent(&event)){
> +        switch (event.type) {
> +            case SDL_KEYDOWN:
> +                switch (event.key.keysym.sym) {

    Wrong indentation.

> +                    case SDLK_ESCAPE:
> +                    case SDLK_q:
> +                        sdl->quit = 1;
> +                        break;
> +                    default:
> +                        break;
> +                }
> +                break;
> +            case SDL_QUIT:
> +                sdl->quit = 1;
> +                break;
> +            case SDL_WINDOWEVENT:
> +                switch(event.window.event){
> +                    case SDL_WINDOWEVENT_RESIZED:
> +                    case SDL_WINDOWEVENT_SIZE_CHANGED:
> +                        sdl->window_width  = event.window.data1;
> +                        sdl->window_height = event.window.data2;
> +                        compute_texture_rect(s);
> +                        break;
> +                    default:
> +                        break;
> +                }
> +                break;
> +            default:
> +                break;
> +        }
> +    }
> +
> +    if (sdl->quit) {
> +        sdl2_write_trailer(s);
> +        return AVERROR(EIO);
> +    }
> +
> +    av_image_fill_arrays(data, linesize, pkt->data, codecpar->format,
> codecpar->width, codecpar->height, 1);
> +    SDL_LockMutex(sdl->mutex);
> +    switch (sdl->texture_fmt) {

ditto

> +        case SDL_PIXELFORMAT_IYUV:
> +        case SDL_PIXELFORMAT_YUY2:
> +        case SDL_PIXELFORMAT_UYVY:
> +            ret = SDL_UpdateYUVTexture(sdl->texture, NULL,
> +                                       data[0], linesize[0],
> +                                       data[1], linesize[1],
> +                                       data[2], linesize[2]);
> +            break;
> +        case SDL_PIXELFORMAT_RGB332:
> +        case SDL_PIXELFORMAT_RGB444:
> +        case SDL_PIXELFORMAT_RGB555:
> +        case SDL_PIXELFORMAT_BGR555:
> +        // case SDL_PIXELFORMAT_ARGB4444:
> +        // case SDL_PIXELFORMAT_RGBA4444:
> +        // case SDL_PIXELFORMAT_ABGR4444:
> +        // case SDL_PIXELFORMAT_BGRA4444:
> +        // case SDL_PIXELFORMAT_ARGB1555:
> +        // case SDL_PIXELFORMAT_RGBA5551:
> +        // case SDL_PIXELFORMAT_ABGR1555:
> +        // case SDL_PIXELFORMAT_BGRA5551:
> +        case SDL_PIXELFORMAT_RGB565:
> +        case SDL_PIXELFORMAT_BGR565:
> +        case SDL_PIXELFORMAT_RGB24:
> +        case SDL_PIXELFORMAT_BGR24:
> +        case SDL_PIXELFORMAT_RGB888: // is this right?
> +        case SDL_PIXELFORMAT_RGBX8888:
> +        case SDL_PIXELFORMAT_BGR888: // is this right?
> +        case SDL_PIXELFORMAT_BGRX8888:
> +        case SDL_PIXELFORMAT_ARGB8888:
> +        case SDL_PIXELFORMAT_RGBA8888:
> +        case SDL_PIXELFORMAT_ABGR8888:
> +        case SDL_PIXELFORMAT_BGRA8888:
> +        // case SDL_PIXELFORMAT_ARGB2101010:
> +            ret = SDL_UpdateTexture(sdl->texture, NULL, data[0],
> linesize[0]);
> +            break;
> +        default:
> +            av_log(NULL, AV_LOG_FATAL, "Unsupported pixel format\n");
> +            ret = -1;
> +            break;
> +    }
> +    SDL_RenderClear(sdl->renderer);
> +    SDL_RenderCopy(sdl->renderer, sdl->texture, NULL, &sdl->texture_rect);
> +    SDL_RenderPresent(sdl->renderer);
> +    SDL_UnlockMutex(sdl->mutex);
> +    return ret;
> +}
> +
> +#define OFFSET(x) offsetof(SDLContext,x)
> +
> +static const AVOption options[] = {
> +    { "window_title", "set SDL window title",
> OFFSET(window_title), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0,
> AV_OPT_FLAG_ENCODING_PARAM },
> +    { "window_size",  "set SDL window forced size",
> OFFSET(window_width), AV_OPT_TYPE_IMAGE_SIZE, { .str = NULL }, 0, 0,
> AV_OPT_FLAG_ENCODING_PARAM },
> +    { "window_fullscreen", "set SDL window fullscreen",
> OFFSET(window_fullscreen), AV_OPT_TYPE_INT, { .i64 = 0 }, INT_MIN, INT_MAX,
> AV_OPT_FLAG_ENCODING_PARAM },
> +    { "window_borderless", "set SDL window border off",
> OFFSET(window_fullscreen), AV_OPT_TYPE_INT, { .i64 = 0 }, INT_MIN, INT_MAX,
> AV_OPT_FLAG_ENCODING_PARAM },
> +    { NULL },
> +};
> +
> +static const AVClass sdl2_class = {
> +    .class_name = "sdl2 outdev",
> +    .item_name  = av_default_item_name,
> +    .option     = options,
> +    .version    = LIBAVUTIL_VERSION_INT,
> +    .category   = AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT,
> +};
> +
> +AVOutputFormat ff_sdl2_muxer = {
> +    .name           = "sdl2",
> +    .long_name      = NULL_IF_CONFIG_SMALL("SDL2 output device"),
> +    .priv_data_size = sizeof(SDLContext),
> +    .audio_codec    = AV_CODEC_ID_NONE,
> +    .video_codec    = AV_CODEC_ID_RAWVIDEO,
> +    .write_header   = sdl2_write_header,
> +    .write_packet   = sdl2_write_packet,
> +    .write_trailer  = sdl2_write_trailer,
> +    .flags          = AVFMT_NOFILE | AVFMT_VARIABLE_FPS |
> AVFMT_NOTIMESTAMPS,
> +    .priv_class     = &sdl2_class,
> +};
> --
> 2.7.4 (Apple Git-66)
>
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>