/**
* @file
-* function definitions common to libschroedingerdec.c and libschroedingerenc.c
+* function definitions common to libschroedinger decoder and encoder
*/
-#include "libdirac_libschro.h"
#include "libschroedinger.h"
+#include "libavutil/mem.h"
+
+static const SchroVideoFormatInfo ff_schro_video_format_info[] = {
+ { 640, 480, 24000, 1001},
+ { 176, 120, 15000, 1001},
+ { 176, 144, 25, 2 },
+ { 352, 240, 15000, 1001},
+ { 352, 288, 25, 2 },
+ { 704, 480, 15000, 1001},
+ { 704, 576, 25, 2 },
+ { 720, 480, 30000, 1001},
+ { 720, 576, 25, 1 },
+ { 1280, 720, 60000, 1001},
+ { 1280, 720, 50, 1 },
+ { 1920, 1080, 30000, 1001},
+ { 1920, 1080, 25, 1 },
+ { 1920, 1080, 60000, 1001},
+ { 1920, 1080, 50, 1 },
+ { 2048, 1080, 24, 1 },
+ { 4096, 2160, 24, 1 },
+};
+
+static unsigned int get_video_format_idx(AVCodecContext *avctx)
+{
+ unsigned int ret_idx = 0;
+ unsigned int idx;
+ unsigned int num_formats = sizeof(ff_schro_video_format_info) /
+ sizeof(ff_schro_video_format_info[0]);
+
+ for (idx = 1; idx < num_formats; ++idx) {
+ const SchroVideoFormatInfo *vf = &ff_schro_video_format_info[idx];
+ if (avctx->width == vf->width &&
+ avctx->height == vf->height) {
+ ret_idx = idx;
+ if (avctx->time_base.den == vf->frame_rate_num &&
+ avctx->time_base.num == vf->frame_rate_denom)
+ return idx;
+ }
+ }
+ return ret_idx;
+}
+
+void ff_schro_queue_init(FFSchroQueue *queue)
+{
+ queue->p_head = queue->p_tail = NULL;
+ queue->size = 0;
+}
+
+void ff_schro_queue_free(FFSchroQueue *queue, void (*free_func)(void *))
+{
+ while (queue->p_head)
+ free_func(ff_schro_queue_pop(queue));
+}
+
+int ff_schro_queue_push_back(FFSchroQueue *queue, void *p_data)
+{
+ FFSchroQueueElement *p_new = av_mallocz(sizeof(FFSchroQueueElement));
+
+ if (!p_new)
+ return -1;
+
+ p_new->data = p_data;
+
+ if (!queue->p_head)
+ queue->p_head = p_new;
+ else
+ queue->p_tail->next = p_new;
+ queue->p_tail = p_new;
+
+ ++queue->size;
+ return 0;
+}
+
+void *ff_schro_queue_pop(FFSchroQueue *queue)
+{
+ FFSchroQueueElement *top = queue->p_head;
+
+ if (top) {
+ void *data = top->data;
+ queue->p_head = queue->p_head->next;
+ --queue->size;
+ av_freep(&top);
+ return data;
+ }
+
+ return NULL;
+}
/**
* Schroedinger video preset table. Ensure that this tables matches up correctly
-* with the ff_dirac_schro_video_format_info table in libdirac_libschro.c.
+* with the ff_schro_video_format_info table.
*/
static const SchroVideoFormatEnum ff_schro_video_formats[]={
SCHRO_VIDEO_FORMAT_CUSTOM ,
SCHRO_VIDEO_FORMAT_DC4K_24 ,
};
-SchroVideoFormatEnum ff_get_schro_video_format_preset(AVCodecContext *avccontext)
+SchroVideoFormatEnum ff_get_schro_video_format_preset(AVCodecContext *avctx)
{
unsigned int num_formats = sizeof(ff_schro_video_formats) /
sizeof(ff_schro_video_formats[0]);
- unsigned int idx = ff_dirac_schro_get_video_format_idx (avccontext);
+ unsigned int idx = get_video_format_idx(avctx);
return (idx < num_formats) ? ff_schro_video_formats[idx] :
SCHRO_VIDEO_FORMAT_CUSTOM;
int ff_get_schro_frame_format (SchroChromaFormat schro_pix_fmt,
SchroFrameFormat *schro_frame_fmt)
{
- unsigned int num_formats = sizeof(ffmpeg_schro_pixel_format_map) /
- sizeof(ffmpeg_schro_pixel_format_map[0]);
+ unsigned int num_formats = sizeof(schro_pixel_format_map) /
+ sizeof(schro_pixel_format_map[0]);
int idx;
for (idx = 0; idx < num_formats; ++idx) {
- if (ffmpeg_schro_pixel_format_map[idx].schro_pix_fmt == schro_pix_fmt) {
- *schro_frame_fmt = ffmpeg_schro_pixel_format_map[idx].schro_frame_fmt;
+ if (schro_pixel_format_map[idx].schro_pix_fmt == schro_pix_fmt) {
+ *schro_frame_fmt = schro_pixel_format_map[idx].schro_frame_fmt;
return 0;
}
}
return -1;
}
-static void FreeSchroFrame(SchroFrame *frame, void *priv)
+static void free_schro_frame(SchroFrame *frame, void *priv)
{
AVPicture *p_pic = priv;
av_freep(&p_pic);
}
-SchroFrame *ff_create_schro_frame(AVCodecContext *avccontext,
+SchroFrame *ff_create_schro_frame(AVCodecContext *avctx,
SchroFrameFormat schro_frame_fmt)
{
AVPicture *p_pic;
int y_height, uv_height;
int i;
- y_width = avccontext->width;
- y_height = avccontext->height;
+ y_width = avctx->width;
+ y_height = avctx->height;
uv_width = y_width >> (SCHRO_FRAME_FORMAT_H_SHIFT(schro_frame_fmt));
uv_height = y_height >> (SCHRO_FRAME_FORMAT_V_SHIFT(schro_frame_fmt));
p_pic = av_mallocz(sizeof(AVPicture));
- avpicture_alloc(p_pic, avccontext->pix_fmt, y_width, y_height);
+ avpicture_alloc(p_pic, avctx->pix_fmt, y_width, y_height);
p_frame = schro_frame_new();
p_frame->format = schro_frame_fmt;
p_frame->width = y_width;
p_frame->height = y_height;
- schro_frame_set_free_callback(p_frame, FreeSchroFrame, (void *)p_pic);
+ schro_frame_set_free_callback(p_frame, free_schro_frame, (void *)p_pic);
for (i = 0; i < 3; ++i) {
p_frame->components[i].width = i ? uv_width : y_width;