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/*
* mfc codec encoding example application
* Andrzej Hajda <a.hajda@samsung.com>
*
* Command line helper functions.
*
* Copyright 2012 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <linux/videodev2.h>
#include <stddef.h>
#include "common.h"
#include "args.h"
struct {
int id;
char *name;
} ctrls[] = {
{ V4L2_CID_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE, "force_frame"},
{ V4L2_CID_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE, "frame_skip_mode"},
{ V4L2_CID_MPEG_MFC51_VIDEO_H264_ADAPTIVE_RC_ACTIVITY, "h264_arc_activity"},
{ V4L2_CID_MPEG_MFC51_VIDEO_H264_ADAPTIVE_RC_DARK, "h264_arc_dark"},
{ V4L2_CID_MPEG_MFC51_VIDEO_H264_ADAPTIVE_RC_SMOOTH, "h264_arc_smooth"},
{ V4L2_CID_MPEG_MFC51_VIDEO_H264_ADAPTIVE_RC_STATIC, "h264_arc_static"},
{ V4L2_CID_MPEG_MFC51_VIDEO_H264_NUM_REF_PIC_FOR_P, "h264_ref_pic"},
{ V4L2_CID_MPEG_MFC51_VIDEO_PADDING_YUV, "padding_yuv"},
{ V4L2_CID_MPEG_MFC51_VIDEO_PADDING, "padding"},
{ V4L2_CID_MPEG_MFC51_VIDEO_RC_FIXED_TARGET_BIT, "rc_fixed_target_bit"},
{ V4L2_CID_MPEG_MFC51_VIDEO_RC_REACTION_COEFF, "rc_react_coeff"},
{ V4L2_CID_MPEG_VIDEO_B_FRAMES, "b_frames"},
{ V4L2_CID_MPEG_VIDEO_BITRATE, "bitrate"},
{ V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB, "intra_refresh_mb"},
{ V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE, "rc_enable"},
{ V4L2_CID_MPEG_VIDEO_GOP_CLOSURE, "gop_closure"},
{ V4L2_CID_MPEG_VIDEO_GOP_SIZE, "gop_size"},
{ V4L2_CID_MPEG_VIDEO_H263_B_FRAME_QP, "h263_b_qp"},
{ V4L2_CID_MPEG_VIDEO_H263_I_FRAME_QP, "h263_i_qp"},
{ V4L2_CID_MPEG_VIDEO_H263_MAX_QP, "h263_max_qp"},
{ V4L2_CID_MPEG_VIDEO_H263_MIN_QP, "h263_min_qp"},
{ V4L2_CID_MPEG_VIDEO_H263_P_FRAME_QP, "h263_p_qp"},
{ V4L2_CID_MPEG_VIDEO_H264_8X8_TRANSFORM, "h264_8x8_transform"},
{ V4L2_CID_MPEG_VIDEO_H264_B_FRAME_QP, "h264_b_qp"},
{ V4L2_CID_MPEG_VIDEO_H264_CPB_SIZE, "h264_cpb_size"},
{ V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE, "h264_entropy"},
{ V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP, "h264_i_qp"},
{ V4L2_CID_MPEG_VIDEO_H264_I_PERIOD, "h264_i_period"},
{ V4L2_CID_MPEG_VIDEO_H264_LEVEL, "h264_level"},
{ V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA, "h264_loop_filter_alpha"},
{ V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA, "h264_loop_filter_beta"},
{ V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE, "h264_loop_filter_mode"},
{ V4L2_CID_MPEG_VIDEO_H264_MAX_QP, "h264_max_qp"},
{ V4L2_CID_MPEG_VIDEO_H264_MIN_QP, "h264_min_qp"},
{ V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP, "h264_p_qp"},
{ V4L2_CID_MPEG_VIDEO_H264_PROFILE, "h264_profile"},
{ V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_HEIGHT, "h264_vui_sar_height"},
{ V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_WIDTH, "h264_vui_sar_width"},
{ V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_ENABLE, "h264_vui_sar"},
{ V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_IDC, "h264_vui_sar_idc"},
{ V4L2_CID_MPEG_VIDEO_HEADER_MODE, "header_mode"},
{ V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE, "mb_rc"},
{ V4L2_CID_MPEG_VIDEO_MPEG4_B_FRAME_QP, "mpeg4_b_qp"},
{ V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP, "mpeg4_i_qp"},
{ V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL, "mpeg4_level"},
{ V4L2_CID_MPEG_VIDEO_MPEG4_MAX_QP, "mpeg4_max_qp"},
{ V4L2_CID_MPEG_VIDEO_MPEG4_MIN_QP, "mpeg4_min_qp"},
{ V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP, "mpeg4_p_qp"},
{ V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE, "mpeg4_profile"},
{ V4L2_CID_MPEG_VIDEO_MPEG4_QPEL, "mpeg4_qpel"},
{ V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES, "slice_max_bytes"},
{ V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB, "slice_max_mb"},
{ V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE, "slice_mode"},
{ V4L2_CID_MPEG_VIDEO_VBV_SIZE, "vbv_size"},
};
void print_usage(char const *name)
{
int i;
printf("Usage: %s [args]\n"
"\t-i <device> - FIMC camera device (e.g. /dev/video1)\n"
"\t If not specified demo input device is used\n"
"\t-m <device> - (required) MFC device (e.g. /dev/video8)\n"
"\t-o <file> - Output file name\n"
"\t-c <codec>[,param[=val]]...\n"
"\t - The codec of the encoded stream optionally\n"
"\t followed by comma separated parameters.\n"
"\t Available codecs: mpeg4, h263, h264\n"
"\t-d <duration> - Number of frames to encode\n"
"\t-r <rate> - Frame rate\n"
"\t-s <size> - Size of frame in format WxH\n"
"Codec parameters:\n"
, name);
for (i = 0; i < array_len(ctrls); ++i) {
printf("\t%s\n", ctrls[i].name);
}
}
int get_codec(char *str)
{
if (strncasecmp("mpeg4", str, 5) == 0)
return V4L2_PIX_FMT_MPEG4;
else if (strncasecmp("h263", str, 5) == 0)
return V4L2_PIX_FMT_H263;
else if (strncasecmp("h264", str, 5) == 0)
return V4L2_PIX_FMT_H264;
return 0;
}
void set_options_default(struct options *o)
{
memset(o, 0, sizeof(*o));
o->width = 176;
o->height = 144;
o->duration = 250;
o->rate = 25;
o->out_name = "demo.out";
o->codec = V4L2_PIX_FMT_H264;
}
int parse_args(struct options *opts, int argc, char **argv)
{
static const int codecs[] = {
V4L2_PIX_FMT_MPEG4, V4L2_PIX_FMT_H263, V4L2_PIX_FMT_H264 };
const int nctrls = array_len(ctrls);
char *tokens[nctrls + 4];
char *s, *v;
int c, i;
set_options_default(opts);
for (i = 0; i < nctrls; ++i)
tokens[i] = ctrls[i].name;
tokens[i++] = "mpeg4";
tokens[i++] = "h263";
tokens[i++] = "h264";
tokens[i++] = NULL;
while ((c = getopt(argc, argv, "i:m:o:c:d:r:s:b:")) != -1) {
switch (c) {
case 'i':
opts->in_name = optarg;
break;
case 'm':
opts->mfc_name = optarg;
break;
case 'o':
opts->out_name = optarg;
break;
case 'c':
s = optarg;
while (*s) {
c = getsubopt(&s, tokens, &v);
if (c < 0) {
err("unknown codec option '%s'", v);
return -1;
} else if (c < nctrls) {
int *ctl = opts->ctrls[opts->nctrls++];
if (opts->nctrls > MAX_CTRLS) {
err("Too many codec options");
return -1;
}
ctl[0] = ctrls[c].id;
ctl[1] = v ? atoi(v) : 1;
dbg("opt %s=%d", ctrls[c].name, ctl[1]);
} else {
dbg("codec: %.04s",
(char *)&codecs[c - nctrls]);
opts->codec = codecs[c - nctrls];
}
};
break;
case 'd':
opts->duration = atoi(optarg);
break;
case 'r':
opts->rate = atoi(optarg);
break;
case 's': {
char *sep = NULL;
opts->width = strtol(optarg, &sep, 10);
if (!sep || *sep != 'x') {
err("Bad size, should be like 320x200");
return -1;
}
opts->height = atoi(++sep);
break;
}
default:
return -1;
}
}
if (opts->mfc_name == NULL) {
err("Please provide MFC device");
return -1;
}
return 0;
}
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