* http://www.pcisys.net/~melanson/codecs
*
* Supports: BGR24 (RGB 24bpp)
- *
*/
#include <stdio.h>
#include <stdlib.h>
#include "avcodec.h"
+#include "internal.h"
#include "lcl.h"
#include "libavutil/internal.h"
#include "libavutil/mem.h"
#include <zlib.h>
-/*
- * Decoder context
- */
typedef struct LclEncContext {
AVCodecContext *avctx;
- AVFrame pic;
// Image type
int imgtype;
z_stream zstream;
} LclEncContext;
-/*
- *
- * Encode a frame
- *
- */
static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *pict, int *got_packet)
{
LclEncContext *c = avctx->priv_data;
- AVFrame * const p = &c->pic;
+ const AVFrame * const p = pict;
int i, ret;
int zret; // Zlib return code
int max_size = deflateBound(&c->zstream, avctx->width * avctx->height * 3);
return ret;
}
- *p = *pict;
- p->pict_type= AV_PICTURE_TYPE_I;
- p->key_frame= 1;
-
if(avctx->pix_fmt != AV_PIX_FMT_BGR24){
av_log(avctx, AV_LOG_ERROR, "Format not supported!\n");
return -1;
return 0;
}
-/*
- *
- * Init lcl encoder
- *
- */
static av_cold int encode_init(AVCodecContext *avctx)
{
LclEncContext *c = avctx->priv_data;
assert(avctx->width && avctx->height);
avctx->extradata= av_mallocz(8);
- avctx->coded_frame= &c->pic;
+ if (!avctx->extradata)
+ return AVERROR(ENOMEM);
+
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
+ avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
+ avctx->coded_frame->key_frame = 1;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
// Will be user settable someday
c->compression = 6;
zret = deflateInit(&c->zstream, c->compression);
if (zret != Z_OK) {
av_log(avctx, AV_LOG_ERROR, "Deflate init error: %d\n", zret);
- return 1;
+ return AVERROR_UNKNOWN;
}
return 0;
}
-/*
- *
- * Uninit lcl encoder
- *
- */
static av_cold int encode_end(AVCodecContext *avctx)
{
LclEncContext *c = avctx->priv_data;
AVCodec ff_zlib_encoder = {
.name = "zlib",
+ .long_name = NULL_IF_CONFIG_SMALL("LCL (LossLess Codec Library) ZLIB"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_ZLIB,
.priv_data_size = sizeof(LclEncContext),
.encode2 = encode_frame,
.close = encode_end,
.pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_BGR24, AV_PIX_FMT_NONE },
- .long_name = NULL_IF_CONFIG_SMALL("LCL (LossLess Codec Library) ZLIB"),
+ .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
+ FF_CODEC_CAP_INIT_CLEANUP,
};