int main()
{
ct_print_header("text/html", NULL);
const gchar *path = ct_get_path_info();
const gchar *query = ct_get_query_string();
GList *thumbs = gen_thumbs(read_dir("large"));
if (!path || g_str_equal(path, "/"))
frame_index();
else if (g_str_equal(path, "/head"))
frame_head();
else if (g_str_equal(path, "/nav"))
frame_nav(FALSE, thumbs);
else if (g_str_equal(path, "/noframe"))
frame_nav(TRUE, thumbs);
else if (g_str_equal(path, "/show_small"))
frame_show("small", "show_large", query);
else if (g_str_equal(path, "/show_large"))
frame_show("large", "show_small", query);
}
static int frame_command_filter(char *id, int argc, char **argv)
{
frame_t *frame;
char *class_id;
GList *options = NULL;
filter_t *filter;
int argx;
if ( id == NULL ) {
frame_command_filter_show_classes();
return 0;
}
/* Retrieve frame descriptor */
if ( (frame = frame_command_get_frame(id)) == NULL )
return -1;
if ( argc < 1 ) {
error(NULL, "Missing filter class specification");
frame_command_filter_show_classes();
return -1;
}
class_id = argv[0];
/* Parse command arguments */
for (argx = 1; argx < argc; argx++) {
char *str = argv[argx];
options = g_list_append(options, str);
}
/* Alloc filter */
filter = filter_alloc(class_id, options);
g_list_free(options);
if ( filter == NULL ) {
frame_command_filter_show_classes();
return -1;
}
/* Add item to the filter chain */
frame_add_filter(frame, filter);
/* Show frame with its new filter list */
frame_show(frame, log_hdr_(FRAME_TAG));
/* Refresh frame for applying filters */
frame_update_all(frame);
return 0;
}
static int frame_command_show(char *id)
{
char *hdr = log_hdr_(FRAME_TAG);
if ( id != NULL ) {
frame_t *frame = frame_command_get_frame(id);
if ( frame == NULL )
return -1;
frame_show(frame, hdr);
}
else {
g_list_foreach(frame_command_display->root->children, (GFunc) frame_show_tree, hdr);
}
return 0;
}
int main(int argc, char** argv)
{
AVFormatContext* avfmt_ctx = NULL;
int video_stream;
enum AVCodecID video_codec;
if (argc < 2)
{
fprintf(stderr, "Usage: %s filename\n", argv[0]);
exit(EXIT_FAILURE);
}
char *filename = argv[1];
av_register_all();
if (avformat_open_input(&avfmt_ctx, filename, NULL, NULL) < 0)
{
fprintf(stderr, "Could not open source file %s\n", filename);
exit(1);
}
if (avformat_find_stream_info(avfmt_ctx, NULL) < 0)
{
fprintf(stderr, "Could not find stream information\n");
avformat_close_input(&avfmt_ctx);
exit(1);
}
video_stream = av_find_best_stream(avfmt_ctx, AVMEDIA_TYPE_VIDEO, -1, -1, NULL, 0);
if (video_stream < 0)
{
fprintf(stderr, "Could not find video stream in input file\n");
avformat_close_input(&avfmt_ctx);
exit(1);
}
video_codec = avfmt_ctx->streams[video_stream]->codec->codec_id;
if (video_codec != AV_CODEC_ID_MPEG1VIDEO && video_codec != AV_CODEC_ID_MPEG2VIDEO)
{
fprintf(stderr, "Can't handle codec %s\n", avcodec_get_name(video_codec));
avformat_close_input(&avfmt_ctx);
exit(1);
}
AVPacket pkt;
av_init_packet(&pkt);
pkt.data = NULL;
pkt.size = 0;
struct mpeg_t mpeg;
memset(&mpeg, 0, sizeof(mpeg));
if (video_codec == AV_CODEC_ID_MPEG1VIDEO)
mpeg.type = MPEG1;
else
mpeg.type = MPEG2;
if (!ve_open())
err(EXIT_FAILURE, "Can't open VE");
struct frame_buffers_t frame_buffers = { NULL, NULL, NULL };
unsigned int disp_frame = 0, gop_offset = 0, gop_frames = 0, last_gop = 0;
struct frame_t *frames[RING_BUFFER_SIZE];
memset(frames, 0, sizeof(frames));
// activate MPEG engine
writel(ve_get_regs() + 0x00, 0x00130000);
printf("Playing now... press Enter for next frame!\n");
while (av_read_frame(avfmt_ctx, &pkt) >= 0)
{
mpeg.data = pkt.data;
mpeg.len = pkt.size;
mpeg.pos = 0;
if (pkt.stream_index == video_stream && parse_mpeg(&mpeg))
{
// create output buffer
frame_buffers.output = frame_new(mpeg.width, mpeg.height, COLOR_YUV420);
if (!frame_buffers.backward)
frame_buffers.backward = frame_ref(frame_buffers.output);
if (!frame_buffers.forward)
frame_buffers.forward = frame_ref(frame_buffers.output);
// decode frame
decode_mpeg(&frame_buffers, &mpeg);
// simple frame reordering (not safe, only for testing)
// count frames
if (mpeg.gop > last_gop)
{
last_gop = mpeg.gop;
gop_offset += gop_frames;
gop_frames = 0;
}
gop_frames++;
// save frame in ringbuffer
if (frames[(gop_offset + mpeg.temporal_reference) % RING_BUFFER_SIZE] != NULL)
{
printf("Buffer overrun!\n");
frame_unref(frames[(gop_offset + mpeg.temporal_reference) % RING_BUFFER_SIZE]);
}
frames[(gop_offset + mpeg.temporal_reference) % RING_BUFFER_SIZE] = frame_buffers.output;
// if we decoded a displayable frame, show it
if (frames[disp_frame % RING_BUFFER_SIZE] != NULL)
{
frame_show(frames[disp_frame % RING_BUFFER_SIZE]);
frame_unref(frames[(disp_frame - 2) % RING_BUFFER_SIZE]);
frames[(disp_frame - 2) % RING_BUFFER_SIZE] = NULL;
disp_frame++;
getchar();
}
}
av_free_packet(&pkt);
}
// stop MPEG engine
writel(ve_get_regs() + 0x0, 0x00130007);
// show left over frames
while (disp_frame < gop_offset + gop_frames && frames[disp_frame % RING_BUFFER_SIZE] != NULL)
{
frame_show(frames[disp_frame % RING_BUFFER_SIZE]);
frame_unref(frames[(disp_frame - 2) % RING_BUFFER_SIZE]);
frames[(disp_frame - 2) % RING_BUFFER_SIZE] = NULL;
disp_frame++;
getchar();
}
disp_close();
frame_unref(frames[(disp_frame - 2) % RING_BUFFER_SIZE]);
frame_unref(frames[(disp_frame - 1) % RING_BUFFER_SIZE]);
frame_unref(frame_buffers.forward);
frame_unref(frame_buffers.backward);
ve_close();
avformat_close_input(&avfmt_ctx);
return 0;
}
static int frame_command_add(char *id, int argc, char **argv)
{
frame_t *parent = NULL;
frame_geometry_t g = FRAME_GEOMETRY_NULL;
unsigned int flags = 0;
frame_t *frame;
int argx;
/* Parse command arguments */
for (argx = 0; argx < argc; argx++) {
char *str = argv[argx];
char *eq = strchr(str, '=');
if ( eq != NULL ) {
*(eq++) = '\0';
if ( strcmp(str, "frame") == 0 ) {
if ( eq[0] != '\0' ) {
if ( (parent = frame_command_get_frame(eq)) == NULL )
return -1;
}
}
else if ( strcmp(str, "window") == 0 ) {
if ( frame_geometry_parse(eq, &g) ) {
error(NULL, "Syntax error in window geometry specification");
return -1;
}
}
else {
error(NULL, "Unknown option '%s'", str);
return -1;
}
}
else {
if ( strcmp(str, "lazy") == 0 ) {
flags |= FRAME_REFRESH_LAZY;
}
else {
error(NULL, "Illegal argument '%s'", str);
return -1;
}
}
}
/* Delete already existing frame */
frame = frame_get_child_by_id(frame_command_display->root, id);
if ( frame != NULL ) {
frame_command_remove_guts(frame, NULL);
frame = NULL;
}
/* Use root frame as default parent frame */
if ( parent == NULL )
parent = frame_command_display->root;
/* Alloc new frame */
frame = frame_alloc_child(id, parent, &g);
if ( frame == NULL )
return -1;
frame->refresh_flags = flags;
/* Show newly created frame */
frame_show(frame, log_hdr_(FRAME_TAG));
/* Refresh frame */
frame_update_all(frame);
/* Add newly created frame to the Display Tool */
frame_display_frame_add(frame_command_display, frame);
return 0;
}