Archives/notcurses
2
0
Fork 0
mirror of https://github.com/dankamongmen/notcurses.git synced 2024-11-04 06:00:30 +00:00
Code Issues Packages Projects Releases Wiki Activity

print_frame_summary(), let's figure out what the fuck we're doing #86

Browse Source
This commit is contained in:
nick black 2019-12-01 11:32:30 -05:00 committed by Nick Black
parent 684d9f66fe
commit 40ed1f1896
1 changed files with 50 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

51
src/lib/libav.c
View File

@ -9,6 +9,7 @@ typedef struct ncvisual {
AVCodecContext* codecctx;
AVFrame* frame;
AVCodec* codec;
AVCodecParameters* cparams;
AVPacket* packet;
struct SwsContext* swsctx;
int packet_outstanding;
@ -30,6 +31,7 @@ void ncvisual_destroy(ncvisual* ncv){
avcodec_close(ncv->codecctx);
avcodec_free_context(&ncv->codecctx);
av_frame_free(&ncv->frame);
avcodec_parameters_free(&ncv->cparams);
sws_freeContext(ncv->swsctx);
av_packet_free(&ncv->packet);
avformat_close_input(&ncv->fmtctx);
@ -37,6 +39,42 @@ void ncvisual_destroy(ncvisual* ncv){
}
}
static void
print_frame_summary(const AVCodecContext* cctx, const AVFrame* f){
char pfmt[128];
av_get_pix_fmt_string(pfmt, sizeof(pfmt), f->format);
fprintf(stderr, "Frame %05d (%d? %d?) pfmt %d (%s) %lums@%lums (%skeyframe) qual: %d\n",
cctx->frame_number,
f->coded_picture_number,
f->display_picture_number,
f->format, pfmt,
f->pkt_duration, // FIXME in 'time_base' units
f->best_effort_timestamp,
f->key_frame ? "" : "non-",
f->quality);
fprintf(stderr, " Data (%d):", AV_NUM_DATA_POINTERS);
int i;
for(i = 0 ; i < AV_NUM_DATA_POINTERS ; ++i){
fprintf(stderr, " %p", f->data[i]);
}
fprintf(stderr, "\n Linesizes:");
for(i = 0 ; i < AV_NUM_DATA_POINTERS ; ++i){
fprintf(stderr, " %d", f->linesize[i]);
}
if(f->sample_aspect_ratio.num == 0 && f->sample_aspect_ratio.den == 1){
fprintf(stderr, "\n Aspect ratio unknown");
}else{
fprintf(stderr, "\n Aspect ratio %d:%d", f->sample_aspect_ratio.num, f->sample_aspect_ratio.den);
}
if(f->interlaced_frame){
fprintf(stderr, " [ILaced]");
}
if(f->palette_has_changed){
fprintf(stderr, " [NewPal]");
}
fprintf(stderr, " PTS %ld Flags: 0x%04x\n", f->pts, f->flags);
}
AVFrame* ncvisual_decode(struct ncvisual* nc){
int ret;
if(nc->packet_outstanding){
@ -54,8 +92,10 @@ AVFrame* ncvisual_decode(struct ncvisual* nc){
fprintf(stderr, "Error decoding AVPacket (%s)\n", av_err2str(ret));
return NULL;
}
print_frame_summary(nc->codecctx, nc->frame);
return nc->frame;
#define IMGALLOCALIGN 32
fprintf(stderr, "Got frame %05d\n", nc->codecctx->frame_number);
/*
ret = av_image_alloc(nc->frame->data, nc->frame->linesize, nc->frame->width,
nc->frame->height, nc->frame->format, IMGALLOCALIGN);
if(ret < 0){
@ -98,6 +138,7 @@ AVFrame* ncvisual_decode(struct ncvisual* nc){
}
#undef IMGALLOCALIGN
return oframe;
*/
}
ncvisual* ncplane_visual_open(struct ncplane* nc, const char* filename){
@ -143,6 +184,14 @@ av_dump_format(ncv->fmtctx, 0, filename, false);
fprintf(stderr, "Couldn't open codec for %s (%s)\n", filename, av_err2str(ret));
goto err;
}
if((ncv->cparams = avcodec_parameters_alloc()) == NULL){
fprintf(stderr, "Couldn't allocate codec params for %s\n", filename);
goto err;
}
if((ret = avcodec_parameters_from_context(ncv->cparams, ncv->codecctx)) < 0){
fprintf(stderr, "Couldn't get codec params for %s (%s)\n", filename, av_err2str(ret));
goto err;
}
if((ret = avcodec_send_packet(ncv->codecctx, ncv->packet)) < 0){
fprintf(stderr, "Error decoding packet from %s (%s)\n", filename,
av_err2str(ret));