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Move all compat ifdefs definitions to compat.h

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This allows to give a proper name to features requirements.
This commit is contained in:
Romain Vimont 2019-02-16 15:04:32 +01:00
parent 3fc11ee465
commit 751600a7f9
5 changed files with 56 additions and 18 deletions
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44
app/src/compat.h Normal file
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@ -0,0 +1,44 @@
#ifndef COMPAT_H
#define COMPAT_H
#include <libavformat/version.h>
#include <SDL2/SDL_version.h>
// In ffmpeg/doc/APIchanges:
// 2016-04-11 - 6f69f7a / 9200514 - lavf 57.33.100 / 57.5.0 - avformat.h
// Add AVStream.codecpar, deprecate AVStream.codec.
#if (LIBAVFORMAT_VERSION_MICRO >= 100 /* FFmpeg */ && \
LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(57, 33, 100)) \
|| (LIBAVFORMAT_VERSION_MICRO < 100 && /* Libav */ \
LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(57, 5, 0))
# define SCRCPY_LAVF_HAS_NEW_CODEC_PARAMS_API
#endif
// In ffmpeg/doc/APIchanges:
// 2018-02-06 - 0694d87024 - lavf 58.9.100 - avformat.h
// Deprecate use of av_register_input_format(), av_register_output_format(),
// av_register_all(), av_iformat_next(), av_oformat_next().
// Add av_demuxer_iterate(), and av_muxer_iterate().
#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(58, 9, 100)
# define SCRCPY_LAVF_HAS_NEW_MUXER_ITERATOR_API
#else
# define SCRCPY_LAVF_REQUIRES_REGISTER_ALL
#endif
// In ffmpeg/doc/APIchanges:
// 2016-04-21 - 7fc329e - lavc 57.37.100 - avcodec.h
// Add a new audio/video encoding and decoding API with decoupled input
// and output -- avcodec_send_packet(), avcodec_receive_frame(),
// avcodec_send_frame() and avcodec_receive_packet().
#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(57, 37, 100)
# define SCRCPY_LAVF_HAS_NEW_ENCODING_DECODING_API
#endif
#if SDL_VERSION_ATLEAST(2, 0, 5)
// <https://wiki.libsdl.org/SDL_HINT_MOUSE_FOCUS_CLICKTHROUGH>
# define SCRCPY_SDL_HAS_HINT_MOUSE_FOCUS_CLICKTHROUGH
// <https://wiki.libsdl.org/SDL_GetDisplayUsableBounds>
# define SCRCPY_SDL_HAS_GET_DISPLAY_USABLE_BOUNDS
#endif
#endif

3
app/src/decoder.c
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@ -8,6 +8,7 @@
#include <SDL2/SDL_thread.h>
#include <unistd.h>
#include "compat.h"
#include "config.h"
#include "buffer_util.h"
#include "events.h"
@ -220,7 +221,7 @@ static int run_decoder(void *data) {
while (!av_read_frame(format_ctx, &packet)) {
// the new decoding/encoding API has been introduced by:
// <http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=7fc329e2dd6226dfecaa4a1d7adf353bf2773726>
#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(57, 37, 0)
#ifdef SCRCPY_LAVF_HAS_NEW_ENCODING_DECODING_API
int ret;
if ((ret = avcodec_send_packet(codec_ctx, &packet)) < 0) {
LOGE("Could not send video packet: %d", ret);

3
app/src/main.c
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@ -5,6 +5,7 @@
#include <libavformat/avformat.h>
#include <SDL2/SDL.h>
#include "compat.h"
#include "config.h"
#include "log.h"
#include "recorder.h"
@ -371,7 +372,7 @@ int main(int argc, char *argv[]) {
return 0;
}
#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(58, 9, 100)
#ifdef SCRCPY_LAVF_REQUIRES_REGISTER_ALL
av_register_all();
#endif

19
app/src/recorder.c
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@ -3,28 +3,19 @@
#include <libavutil/time.h>
#include <SDL2/SDL_assert.h>
#include "compat.h"
#include "config.h"
#include "log.h"
// In ffmpeg/doc/APIchanges:
// 2016-04-11 - 6f69f7a / 9200514 - lavf 57.33.100 / 57.5.0 - avformat.h
// Add AVStream.codecpar, deprecate AVStream.codec.
#if (LIBAVFORMAT_VERSION_MICRO >= 100 /* FFmpeg */ && \
LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(57, 33, 100)) \
|| (LIBAVFORMAT_VERSION_MICRO < 100 && /* Libav */ \
LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(57, 5, 0))
# define LAVF_NEW_CODEC_API
#endif
static const AVRational SCRCPY_TIME_BASE = {1, 1000000}; // timestamps in us
static const AVOutputFormat *find_muxer(const char *name) {
#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(58, 9, 100)
#ifdef SCRCPY_LAVF_HAS_NEW_MUXER_ITERATOR_API
void *opaque = NULL;
#endif
const AVOutputFormat *oformat = NULL;
do {
#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(58, 9, 100)
#ifdef SCRCPY_LAVF_HAS_NEW_MUXER_ITERATOR_API
oformat = av_muxer_iterate(&opaque);
#else
oformat = av_oformat_next(oformat);
@ -91,7 +82,7 @@ SDL_bool recorder_open(struct recorder *recorder, AVCodec *input_codec) {
return SDL_FALSE;
}
#ifdef LAVF_NEW_CODEC_API
#ifdef SCRCPY_LAVF_HAS_NEW_CODEC_PARAMS_API
ostream->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
ostream->codecpar->codec_id = input_codec->id;
ostream->codecpar->format = AV_PIX_FMT_YUV420P;
@ -144,7 +135,7 @@ recorder_write_header(struct recorder *recorder, AVPacket *packet) {
// copy the first packet to the extra data
memcpy(extradata, packet->data, packet->size);
#ifdef LAVF_NEW_CODEC_API
#ifdef SCRCPY_LAVF_HAS_NEW_CODEC_PARAMS_API
ostream->codecpar->extradata = extradata;
ostream->codecpar->extradata_size = packet->size;
#else

5
app/src/screen.c
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@ -3,6 +3,7 @@
#include <SDL2/SDL.h>
#include <string.h>
#include "compat.h"
#include "icon.xpm"
#include "lock_util.h"
#include "log.h"
@ -23,7 +24,7 @@ SDL_bool sdl_init_and_configure(void) {
LOGW("Could not enable bilinear filtering");
}
#if SDL_VERSION_ATLEAST(2, 0, 5)
#ifdef SCRCPY_SDL_HAS_HINT_MOUSE_FOCUS_CLICKTHROUGH
// Handle a click to gain focus as any other click
if (!SDL_SetHint(SDL_HINT_MOUSE_FOCUS_CLICKTHROUGH, "1")) {
LOGW("Could not enable mouse focus clickthrough");
@ -71,7 +72,7 @@ static void set_window_size(struct screen *screen, struct size new_size) {
// get the preferred display bounds (i.e. the screen bounds with some margins)
static SDL_bool get_preferred_display_bounds(struct size *bounds) {
SDL_Rect rect;
#if SDL_VERSION_ATLEAST(2, 0, 5)
#ifdef SCRCPY_SDL_HAS_GET_DISPLAY_USABLE_BOUNDS
# define GET_DISPLAY_BOUNDS(i, r) SDL_GetDisplayUsableBounds((i), (r))
#else
# define GET_DISPLAY_BOUNDS(i, r) SDL_GetDisplayBounds((i), (r))