/* y4m2patch.c */

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <jd_pretty.h>

#include "yuv4mpeg2.h"

typedef struct {

y4m2_parameters *parms;

y4m2_output *out;

} output_ctx;

static y4m2_parameters *merge_parms(output_ctx *oc,

const y4m2_parameters *parms) {

y4m2_parameters *p = y4m2_clone_parms(parms);

y4m2_merge_parms(p, oc->parms);

return p;

}

static void callback(y4m2_reason reason, const y4m2_parameters *parms,

y4m2_frame *frame, void *ctx) {

output_ctx *oc = (output_ctx *)ctx;

y4m2_parameters *merged = NULL;

switch (reason) {

case Y4M2_START:

merged = merge_parms(oc, parms);

y4m2_emit_start(oc->out, merged);

break;

case Y4M2_FRAME:

merged = merge_parms(oc, parms);

y4m2_emit_frame(oc->out, merged, frame);

break;

case Y4M2_END:

y4m2_emit_end(oc->out);

break;

}

y4m2_free_parms(merged);

}

int main(int argc, char *argv[]) {

output_ctx ctx;

int argn;

ctx.out = y4m2_output_file(stdout);

ctx.parms = y4m2_new_parms();

for (argn = 1; argn < argc; argn++) {

y4m2_parameters *p = y4m2_new_parms();

y4m2__parse_parms(p, argv[argn]);

ctx.parms = y4m2_merge_parms(ctx.parms, p);

y4m2_free_parms(p);

}

y4m2_output *out = y4m2_output_next(callback, &ctx);

y4m2_parse(stdin, out);

y4m2_free_parms(ctx.parms);

return 0;

}

/* vim:ts=2:sw=2:sts=2:et:ft=c

*/