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#include <libavutil/frame.h>
#include "audio/aframe.h"
#include "common/av_common.h"
#include "demux/packet.h"
#include "video/mp_image.h"
#include "frame.h"
struct frame_handler {
const char *name;
bool is_data;
bool is_signaling;
void *(*new_ref)(void *data);
double (*get_pts)(void *data);
void (*set_pts)(void *data, double pts);
AVFrame *(*new_av_ref)(void *data);
void *(*from_av_ref)(AVFrame *data);
void (*free)(void *data);
};
static void *video_ref(void *data)
{
return mp_image_new_ref(data);
}
static double video_get_pts(void *data)
{
return ((struct mp_image *)data)->pts;
}
static void video_set_pts(void *data, double pts)
{
((struct mp_image *)data)->pts = pts;
}
static AVFrame *video_new_av_ref(void *data)
{
return mp_image_to_av_frame(data);
}
static void *video_from_av_ref(AVFrame *data)
{
return mp_image_from_av_frame(data);
}
static void *audio_ref(void *data)
{
return mp_aframe_new_ref(data);
}
static double audio_get_pts(void *data)
{
return mp_aframe_get_pts(data);
}
static void audio_set_pts(void *data, double pts)
{
mp_aframe_set_pts(data, pts);
}
static AVFrame *audio_new_av_ref(void *data)
{
return mp_aframe_to_avframe(data);
}
static void *audio_from_av_ref(AVFrame *data)
{
return mp_aframe_from_avframe(data);
}
static void *packet_ref(void *data)
{
return demux_copy_packet(data);
}
static const struct frame_handler frame_handlers[] = {
[MP_FRAME_NONE] = {
.name = "none",
},
[MP_FRAME_EOF] = {
.name = "eof",
.is_signaling = true,
},
[MP_FRAME_VIDEO] = {
.name = "video",
.is_data = true,
.new_ref = video_ref,
.get_pts = video_get_pts,
.set_pts = video_set_pts,
.new_av_ref = video_new_av_ref,
.from_av_ref = video_from_av_ref,
.free = talloc_free,
},
[MP_FRAME_AUDIO] = {
.name = "audio",
.is_data = true,
.new_ref = audio_ref,
.get_pts = audio_get_pts,
.set_pts = audio_set_pts,
.new_av_ref = audio_new_av_ref,
.from_av_ref = audio_from_av_ref,
.free = talloc_free,
},
[MP_FRAME_PACKET] = {
.name = "packet",
.is_data = true,
.new_ref = packet_ref,
.free = talloc_free,
},
};
const char *mp_frame_type_str(enum mp_frame_type t)
{
return frame_handlers[t].name;
}
bool mp_frame_is_data(struct mp_frame frame)
{
return frame_handlers[frame.type].is_data;
}
bool mp_frame_is_signaling(struct mp_frame frame)
{
return frame_handlers[frame.type].is_signaling;
}
void mp_frame_unref(struct mp_frame *frame)
{
if (!frame)
return;
if (frame_handlers[frame->type].free)
frame_handlers[frame->type].free(frame->data);
*frame = (struct mp_frame){0};
}
struct mp_frame mp_frame_ref(struct mp_frame frame)
{
if (frame_handlers[frame.type].new_ref) {
assert(frame.data);
frame.data = frame_handlers[frame.type].new_ref(frame.data);
if (!frame.data)
frame.type = MP_FRAME_NONE;
}
return frame;
}
double mp_frame_get_pts(struct mp_frame frame)
{
if (frame_handlers[frame.type].get_pts)
return frame_handlers[frame.type].get_pts(frame.data);
return MP_NOPTS_VALUE;
}
void mp_frame_set_pts(struct mp_frame frame, double pts)
{
if (frame_handlers[frame.type].get_pts)
frame_handlers[frame.type].set_pts(frame.data, pts);
}
AVFrame *mp_frame_to_av(struct mp_frame frame, struct AVRational *tb)
{
if (!frame_handlers[frame.type].new_av_ref)
return NULL;
AVFrame *res = frame_handlers[frame.type].new_av_ref(frame.data);
if (!res)
return NULL;
res->pts = mp_pts_to_av(mp_frame_get_pts(frame), tb);
return res;
}
struct mp_frame mp_frame_from_av(enum mp_frame_type type, struct AVFrame *frame,
struct AVRational *tb)
{
struct mp_frame res = {type};
if (!frame_handlers[res.type].from_av_ref)
return MP_NO_FRAME;
res.data = frame_handlers[res.type].from_av_ref(frame);
if (!res.data)
return MP_NO_FRAME;
mp_frame_set_pts(res, mp_pts_from_av(frame->pts, tb));
return res;
}
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