X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fcljr.c;h=7e189cd12d2a7104de40d6c37710a2af5db53627;hb=95d52464542f532061290192518d5fe1c1930e8d;hp=b1cb6f07e3e0ebf8c2483bc92bd4d48d03caec06;hpb=0c1f5b93d9b97c4cc3684ba91a040e90bfc760d2;p=ffmpeg

diff --git a/libavcodec/cljr.c b/libavcodec/cljr.c
index b1cb6f07e3e..7e189cd12d2 100644
--- a/libavcodec/cljr.c
+++ b/libavcodec/cljr.c
@@ -25,140 +25,140 @@
  */
 
 #include "avcodec.h"
-#include "dsputil.h"
 #include "get_bits.h"
+#include "internal.h"
+#include "put_bits.h"
 
-/* Disable the encoder. */
-#undef CONFIG_CLJR_ENCODER
-#define CONFIG_CLJR_ENCODER 0
-
-typedef struct CLJRContext{
-    AVCodecContext *avctx;
-    AVFrame picture;
-    int delta[16];
-    int offset[4];
-    GetBitContext gb;
-} CLJRContext;
-
+#if CONFIG_CLJR_DECODER
 static int decode_frame(AVCodecContext *avctx,
-                        void *data, int *data_size,
+                        void *data, int *got_frame,
                         AVPacket *avpkt)
 {
     const uint8_t *buf = avpkt->data;
-    int buf_size = avpkt->size;
-    CLJRContext * const a = avctx->priv_data;
-    AVFrame *picture = data;
-    AVFrame * const p= (AVFrame*)&a->picture;
-    int x, y;
+    int buf_size       = avpkt->size;
+    GetBitContext gb;
+    AVFrame * const p = data;
+    int x, y, ret;
 
-    if(p->data[0])
-        avctx->release_buffer(avctx, p);
+    if (avctx->height <= 0 || avctx->width <= 0) {
+        av_log(avctx, AV_LOG_ERROR, "Invalid width or height\n");
+        return AVERROR_INVALIDDATA;
+    }
 
-    if(buf_size/avctx->height < avctx->width) {
-        av_log(avctx, AV_LOG_ERROR, "Resolution larger than buffer size. Invalid header?\n");
-        return -1;
+    if (buf_size < avctx->height * avctx->width) {
+        av_log(avctx, AV_LOG_ERROR,
+               "Resolution larger than buffer size. Invalid header?\n");
+        return AVERROR_INVALIDDATA;
     }
 
-    p->reference= 0;
-    if(avctx->get_buffer(avctx, p) < 0){
+    if ((ret = ff_get_buffer(avctx, p, 0)) < 0) {
         av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
-        return -1;
+        return ret;
     }
-    p->pict_type= AV_PICTURE_TYPE_I;
-    p->key_frame= 1;
-
-    init_get_bits(&a->gb, buf, buf_size * 8);
-
-    for(y=0; y<avctx->height; y++){
-        uint8_t *luma= &a->picture.data[0][ y*a->picture.linesize[0] ];
-        uint8_t *cb= &a->picture.data[1][ y*a->picture.linesize[1] ];
-        uint8_t *cr= &a->picture.data[2][ y*a->picture.linesize[2] ];
-        for(x=0; x<avctx->width; x+=4){
-                luma[3] = get_bits(&a->gb, 5) << 3;
-            luma[2] = get_bits(&a->gb, 5) << 3;
-            luma[1] = get_bits(&a->gb, 5) << 3;
-            luma[0] = get_bits(&a->gb, 5) << 3;
-            luma+= 4;
-            *(cb++) = get_bits(&a->gb, 6) << 2;
-            *(cr++) = get_bits(&a->gb, 6) << 2;
+    p->pict_type = AV_PICTURE_TYPE_I;
+    p->key_frame = 1;
+
+    init_get_bits(&gb, buf, buf_size * 8);
+
+    for (y = 0; y < avctx->height; y++) {
+        uint8_t *luma = &p->data[0][y * p->linesize[0]];
+        uint8_t *cb   = &p->data[1][y * p->linesize[1]];
+        uint8_t *cr   = &p->data[2][y * p->linesize[2]];
+        for (x = 0; x < avctx->width; x += 4) {
+            luma[3] = get_bits(&gb, 5) << 3;
+            luma[2] = get_bits(&gb, 5) << 3;
+            luma[1] = get_bits(&gb, 5) << 3;
+            luma[0] = get_bits(&gb, 5) << 3;
+            luma += 4;
+            *(cb++) = get_bits(&gb, 6) << 2;
+            *(cr++) = get_bits(&gb, 6) << 2;
         }
     }
 
-    *picture= *(AVFrame*)&a->picture;
-    *data_size = sizeof(AVPicture);
-
-    emms_c();
+    *got_frame = 1;
 
     return buf_size;
 }
 
-#if CONFIG_CLJR_ENCODER
-static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data){
-    CLJRContext * const a = avctx->priv_data;
-    AVFrame *pict = data;
-    AVFrame * const p= (AVFrame*)&a->picture;
-    int size;
-
-    *p = *pict;
-    p->pict_type= AV_PICTURE_TYPE_I;
-    p->key_frame= 1;
-
-    emms_c();
-
-    align_put_bits(&a->pb);
-    while(get_bit_count(&a->pb)&31)
-        put_bits(&a->pb, 8, 0);
-
-    size= get_bit_count(&a->pb)/32;
-
-    return size*4;
+static av_cold int decode_init(AVCodecContext *avctx)
+{
+    avctx->pix_fmt = AV_PIX_FMT_YUV411P;
+    return 0;
 }
-#endif
-
-static av_cold void common_init(AVCodecContext *avctx){
-    CLJRContext * const a = avctx->priv_data;
 
-    avctx->coded_frame= (AVFrame*)&a->picture;
-    a->avctx= avctx;
-}
+AVCodec ff_cljr_decoder = {
+    .name           = "cljr",
+    .type           = AVMEDIA_TYPE_VIDEO,
+    .id             = AV_CODEC_ID_CLJR,
+    .init           = decode_init,
+    .decode         = decode_frame,
+    .capabilities   = CODEC_CAP_DR1,
+    .long_name      = NULL_IF_CONFIG_SMALL("Cirrus Logic AccuPak"),
+};
+#endif
 
-static av_cold int decode_init(AVCodecContext *avctx){
+#if CONFIG_CLJR_ENCODER
+typedef struct CLJRContext {
+    AVFrame         picture;
+} CLJRContext;
 
-    common_init(avctx);
+static av_cold int encode_init(AVCodecContext *avctx)
+{
+    CLJRContext * const a = avctx->priv_data;
 
-    avctx->pix_fmt= PIX_FMT_YUV411P;
+    avctx->coded_frame = &a->picture;
 
     return 0;
 }
 
-#if CONFIG_CLJR_ENCODER
-static av_cold int encode_init(AVCodecContext *avctx){
+static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
+                        const AVFrame *p, int *got_packet)
+{
+    PutBitContext pb;
+    int x, y, ret;
+
+    if ((ret = ff_alloc_packet(pkt, 32*avctx->height*avctx->width/4)) < 0) {
+        av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
+        return ret;
+    }
 
-    common_init(avctx);
+    avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
+    avctx->coded_frame->key_frame = 1;
+
+    init_put_bits(&pb, pkt->data, pkt->size);
+
+    for (y = 0; y < avctx->height; y++) {
+        uint8_t *luma = &p->data[0][y * p->linesize[0]];
+        uint8_t *cb   = &p->data[1][y * p->linesize[1]];
+        uint8_t *cr   = &p->data[2][y * p->linesize[2]];
+        for (x = 0; x < avctx->width; x += 4) {
+            put_bits(&pb, 5, luma[3] >> 3);
+            put_bits(&pb, 5, luma[2] >> 3);
+            put_bits(&pb, 5, luma[1] >> 3);
+            put_bits(&pb, 5, luma[0] >> 3);
+            luma += 4;
+            put_bits(&pb, 6, *(cb++) >> 2);
+            put_bits(&pb, 6, *(cr++) >> 2);
+        }
+    }
 
+    flush_put_bits(&pb);
+
+    pkt->size   = put_bits_count(&pb) / 8;
+    pkt->flags |= AV_PKT_FLAG_KEY;
+    *got_packet = 1;
     return 0;
 }
-#endif
-
-AVCodec ff_cljr_decoder = {
-    .name           = "cljr",
-    .type           = AVMEDIA_TYPE_VIDEO,
-    .id             = CODEC_ID_CLJR,
-    .priv_data_size = sizeof(CLJRContext),
-    .init           = decode_init,
-    .decode         = decode_frame,
-    .capabilities   = CODEC_CAP_DR1,
-    .long_name = NULL_IF_CONFIG_SMALL("Cirrus Logic AccuPak"),
-};
 
-#if CONFIG_CLJR_ENCODER
 AVCodec ff_cljr_encoder = {
     .name           = "cljr",
     .type           = AVMEDIA_TYPE_VIDEO,
-    .id             = CODEC_ID_CLJR,
+    .id             = AV_CODEC_ID_CLJR,
     .priv_data_size = sizeof(CLJRContext),
     .init           = encode_init,
-    .encode         = encode_frame,
-    .long_name = NULL_IF_CONFIG_SMALL("Cirrus Logic AccuPak"),
+    .encode2        = encode_frame,
+    .pix_fmts       = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV411P,
+                                                   AV_PIX_FMT_NONE },
+    .long_name      = NULL_IF_CONFIG_SMALL("Cirrus Logic AccuPak"),
 };
 #endif