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tld.c
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#include <ccv.h>
#ifdef HAVE_AVCODEC
#include <libavcodec/avcodec.h>
#endif
#ifdef HAVE_AVFORMAT
#include <libavformat/avformat.h>
#endif
#ifdef HAVE_SWSCALE
#include <libswscale/swscale.h>
#endif
int main(int argc, char** argv)
{
#ifdef HAVE_AVCODEC
#ifdef HAVE_AVFORMAT
#ifdef HAVE_SWSCALE
assert(argc == 6);
ccv_rect_t box = ccv_rect(atoi(argv[2]), atoi(argv[3]), atoi(argv[4]), atoi(argv[5]));
// box.width = box.width - box.x + 1;
// box.height = box.height - box.y + 1;
// printf("%d,%d,%d,%d,%f\n", box.x, box.y, box.width + box.x - 1, box.height + box.y - 1, 1.0f);
printf("%05d: %d %d %d %d %f\n", 0, box.x, box.y, box.width, box.height, 1.0f);
// init av-related structs
AVFormatContext* ic = 0;
int video_stream = -1;
AVStream* video_st = 0;
AVFrame* picture = 0;
AVFrame rgb_picture;
memset(&rgb_picture, 0, sizeof(AVPicture));
AVPacket packet;
memset(&packet, 0, sizeof(AVPacket));
av_init_packet(&packet);
av_register_all();
avformat_network_init();
// load video and codec
avformat_open_input(&ic, argv[1], 0, 0);
avformat_find_stream_info(ic, 0);
int i;
for (i = 0; i < ic->nb_streams; i++)
{
AVCodecContext* enc = ic->streams[i]->codec;
enc->thread_count = 2;
if (AVMEDIA_TYPE_VIDEO == enc->codec_type && video_stream < 0)
{
AVCodec* codec = avcodec_find_decoder(enc->codec_id);
if (!codec || avcodec_open2(enc, codec, 0) < 0)
continue;
video_stream = i;
video_st = ic->streams[i];
#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(55, 45, 101)
picture = av_frame_alloc();
#else
picture = avcodec_alloc_frame();
#endif
#if LIBAVUTIL_VERSION_MAJOR > 51
rgb_picture.data[0] = (uint8_t*)ccmalloc(avpicture_get_size(AV_PIX_FMT_RGB24, enc->width, enc->height));
avpicture_fill((AVPicture*)&rgb_picture, rgb_picture.data[0], AV_PIX_FMT_RGB24, enc->width, enc->height);
#else
rgb_picture.data[0] = (uint8_t*)ccmalloc(avpicture_get_size(PIX_FMT_RGB24, enc->width, enc->height));
avpicture_fill((AVPicture*)&rgb_picture, rgb_picture.data[0], PIX_FMT_RGB24, enc->width, enc->height);
#endif
break;
}
}
int got_picture = 0;
while (!got_picture)
{
int result = av_read_frame(ic, &packet);
if (result == AVERROR(EAGAIN))
continue;
avcodec_decode_video2(video_st->codec, picture, &got_picture, &packet);
}
ccv_enable_default_cache();
#if LIBAVUTIL_VERSION_MAJOR > 51
struct SwsContext* picture_ctx = sws_getCachedContext(0, video_st->codec->width, video_st->codec->height, video_st->codec->pix_fmt, video_st->codec->width, video_st->codec->height, AV_PIX_FMT_RGB24, SWS_BICUBIC, 0, 0, 0);
#else
struct SwsContext* picture_ctx = sws_getCachedContext(0, video_st->codec->width, video_st->codec->height, video_st->codec->pix_fmt, video_st->codec->width, video_st->codec->height, PIX_FMT_RGB24, SWS_BICUBIC, 0, 0, 0);
#endif
sws_scale(picture_ctx, (const uint8_t* const*)picture->data, picture->linesize, 0, video_st->codec->height, rgb_picture.data, rgb_picture.linesize);
ccv_dense_matrix_t* x = 0;
ccv_read(rgb_picture.data[0], &x, CCV_IO_RGB_RAW | CCV_IO_GRAY, video_st->codec->height, video_st->codec->width, rgb_picture.linesize[0]);
ccv_tld_t* tld = ccv_tld_new(x, box, ccv_tld_default_params);
ccv_dense_matrix_t* y = 0;
for (;;)
{
got_picture = 0;
int result = av_read_frame(ic, &packet);
if (result == AVERROR(EAGAIN))
continue;
avcodec_decode_video2(video_st->codec, picture, &got_picture, &packet);
if (!got_picture)
break;
sws_scale(picture_ctx, (const uint8_t* const*)picture->data, picture->linesize, 0, video_st->codec->height, rgb_picture.data, rgb_picture.linesize);
ccv_read(rgb_picture.data[0], &y, CCV_IO_RGB_RAW | CCV_IO_GRAY, video_st->codec->height, video_st->codec->width, rgb_picture.linesize[0]);
ccv_tld_info_t info;
ccv_comp_t newbox = ccv_tld_track_object(tld, x, y, &info);
/*
// printf("%04d: performed learn: %d, performed track: %d, successfully track: %d; %d passed fern detector, %d passed nnc detector, %d merged, %d confident matches, %d close matches\n", tld->count, info.perform_learn, info.perform_track, info.track_success, info.ferns_detects, info.nnc_detects, info.clustered_detects, info.confident_matches, info.close_matches);
ccv_dense_matrix_t* image = 0;
ccv_read(rgb_picture.data[0], &image, CCV_IO_RGB_RAW | CCV_IO_RGB_COLOR, video_st->codec->height, video_st->codec->width, rgb_picture.linesize[0]);
// draw out
// for (i = 0; i < tld->top->rnum; i++)
if (tld->found)
{
ccv_comp_t* comp = &newbox; // (ccv_comp_t*)ccv_array_get(tld->top, i);
if (comp->rect.x >= 0 && comp->rect.x + comp->rect.width < image->cols &&
comp->rect.y >= 0 && comp->rect.y + comp->rect.height < image->rows)
{
int x, y;
for (x = comp->rect.x; x < comp->rect.x + comp->rect.width; x++)
{
image->data.u8[image->step * comp->rect.y + x * 3] =
image->data.u8[image->step * (comp->rect.y + comp->rect.height - 1) + x * 3] = 255;
image->data.u8[image->step * comp->rect.y + x * 3 + 1] =
image->data.u8[image->step * (comp->rect.y + comp->rect.height - 1) + x * 3 + 1] =
image->data.u8[image->step * comp->rect.y + x * 3 + 2] =
image->data.u8[image->step * (comp->rect.y + comp->rect.height - 1) + x * 3 + 2] = 0;
}
for (y = comp->rect.y; y < comp->rect.y + comp->rect.height; y++)
{
image->data.u8[image->step * y + comp->rect.x * 3] =
image->data.u8[image->step * y + (comp->rect.x + comp->rect.width - 1) * 3] = 255;
image->data.u8[image->step * y + comp->rect.x * 3 + 1] =
image->data.u8[image->step * y + (comp->rect.x + comp->rect.width - 1) * 3 + 1] =
image->data.u8[image->step * y + comp->rect.x * 3 + 2] =
image->data.u8[image->step * y + (comp->rect.x + comp->rect.width - 1) * 3 + 2] = 0;
}
}
}
char filename[1024];
sprintf(filename, "tld-out/output-%04d.png", tld->count);
ccv_write(image, filename, 0, CCV_IO_PNG_FILE, 0);
ccv_matrix_free(image);
if (tld->found)
printf("%d,%d,%d,%d,%f\n", newbox.rect.x, newbox.rect.y, newbox.rect.width + newbox.rect.x - 1, newbox.rect.height + newbox.rect.y - 1, newbox.classification.confidence);
else
printf("NaN,NaN,NaN,NaN,NaN\n");
*/
if (tld->found)
printf("%05d: %d %d %d %d %f\n", tld->count, newbox.rect.x, newbox.rect.y, newbox.rect.width, newbox.rect.height, newbox.classification.confidence);
else
printf("%05d: --------------\n", tld->count);
x = y;
y = 0;
}
ccv_matrix_free(x);
ccv_tld_free(tld);
ccfree(rgb_picture.data[0]);
ccv_disable_cache();
#endif
#endif
#endif
return 0;
}