diff options
Diffstat (limited to 'libavcodec/libschroedinger.c')
| -rw-r--r-- | libavcodec/libschroedinger.c | 91 |
1 files changed, 88 insertions, 3 deletions
diff --git a/libavcodec/libschroedinger.c b/libavcodec/libschroedinger.c index 527c4927ae..fb0bfaa84d 100644 --- a/libavcodec/libschroedinger.c +++ b/libavcodec/libschroedinger.c @@ -23,12 +23,97 @@ * function definitions common to libschroedinger decoder and encoder */ -#include "libdirac_libschro.h" #include "libschroedinger.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 *avccontext) +{ + 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 (avccontext->width == vf->width && + avccontext->height == vf->height) { + ret_idx = idx; + if (avccontext->time_base.den == vf->frame_rate_num && + avccontext->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 , @@ -55,7 +140,7 @@ SchroVideoFormatEnum ff_get_schro_video_format_preset(AVCodecContext *avccontext 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(avccontext); return (idx < num_formats) ? ff_schro_video_formats[idx] : SCHRO_VIDEO_FORMAT_CUSTOM; |