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#include "ffmpeg.h"
FFMPEG* ffmpegStart(const char* filename, int width, int height, int fps)
{
int pipefd[2];
if (pipe(pipefd) < 0)
{
TraceLog(LOG_ERROR, "FFMPEG: Could not create a pipe: %s", strerror(errno));
return NULL;
}
pid_t child = fork();
if (child < 0)
{
TraceLog(LOG_ERROR, "FFMPEG: could not fork a child: %s", strerror(errno));
return NULL;
}
if (child == 0)
{
if (dup2(pipefd[READ_END], STDIN_FILENO) < 0)
{
TraceLog(LOG_ERROR, "FFMPEG CHILD: could not reopen read end of pipe as stdin: %s", strerror(errno));
exit(1);
}
close(pipefd[WRITE_END]);
char resolution[64];
snprintf(resolution, sizeof(resolution), "%zux%zu", (size_t)width, (size_t)height);
char framerate[64];
snprintf(framerate, sizeof(framerate), "%zu", (size_t)fps);
int ret = execlp("ffmpeg",
"ffmpeg",
"-loglevel", "verbose",
"-y",
"-f", "rawvideo",
"-pix_fmt", "rgba",
"-s", resolution,
"-r", framerate,
"-i", "-",
"-c:v", "libx264",
"-vb", "2500k",
"-c:a", "aac",
"-ab", "200k",
"-pix_fmt", "yuv420p",
filename,
NULL
);
if (ret < 0)
{
TraceLog(LOG_ERROR, "FFMPEG CHILD: could not run ffmpeg as a child process: %s", strerror(errno));
exit(1);
}
assert(0 && "unreachable");
exit(1);
}
if (close(pipefd[READ_END]) < 0)
{
TraceLog(LOG_WARNING, "FFMPEG: could not close read end of the pipe on the parent's end: %s", strerror(errno));
}
FFMPEG *ffmpeg = malloc(sizeof(FFMPEG));
assert(ffmpeg != NULL && "Buy MORE RAM lol!!");
ffmpeg->pid = child;
ffmpeg->pipe = pipefd[WRITE_END];
return ffmpeg;
}
int ffmpegSendFrame(FFMPEG* ffmpeg, void* data, int widtth, int height)
{
return 0;
}
int ffmpegEnd(FFMPEG* ffmpeg)
{
return 0;
}
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