]> git.sesse.net Git - ffmpeg/blobdiff - libavcodec/4xm.c
libavcodec version bump for Bink codec IDs (r21536)
[ffmpeg] / libavcodec / 4xm.c
index 3348ed06fddc463b7ac74904bf2dada4d73d321b..bf3c07e908d4a79f7440f1aace9f14e8159c1c26 100644 (file)
@@ -27,7 +27,7 @@
 #include "libavutil/intreadwrite.h"
 #include "avcodec.h"
 #include "dsputil.h"
-#include "bitstream.h"
+#include "get_bits.h"
 #include "bytestream.h"
 
 //#undef NDEBUG
@@ -137,8 +137,8 @@ typedef struct FourXContext{
     int mv[256];
     VLC pre_vlc;
     int last_dc;
-    DECLARE_ALIGNED_8(DCTELEM, block[6][64]);
-    uint8_t *bitstream_buffer;
+    DECLARE_ALIGNED_16(DCTELEM, block)[6][64];
+    void *bitstream_buffer;
     unsigned int bitstream_buffer_size;
     int version;
     CFrameBuffer cfrm[CFRAME_BUFFER_COUNT];
@@ -378,8 +378,10 @@ static int decode_p_frame(FourXContext *f, const uint8_t *buf, int length){
         return -1;
     }
 
-    f->bitstream_buffer= av_fast_realloc(f->bitstream_buffer, &f->bitstream_buffer_size, bitstream_size + FF_INPUT_BUFFER_PADDING_SIZE);
-    f->dsp.bswap_buf((uint32_t*)f->bitstream_buffer, (const uint32_t*)(buf + extra), bitstream_size/4);
+    av_fast_malloc(&f->bitstream_buffer, &f->bitstream_buffer_size, bitstream_size + FF_INPUT_BUFFER_PADDING_SIZE);
+    if (!f->bitstream_buffer)
+        return AVERROR(ENOMEM);
+    f->dsp.bswap_buf(f->bitstream_buffer, (const uint32_t*)(buf + extra), bitstream_size/4);
     init_get_bits(&f->gb, f->bitstream_buffer, 8*bitstream_size);
 
     f->wordstream= (const uint16_t*)(buf + extra + bitstream_size);
@@ -656,8 +658,10 @@ static int decode_i_frame(FourXContext *f, const uint8_t *buf, int length){
 
     prestream_size= length + buf - prestream;
 
-    f->bitstream_buffer= av_fast_realloc(f->bitstream_buffer, &f->bitstream_buffer_size, prestream_size + FF_INPUT_BUFFER_PADDING_SIZE);
-    f->dsp.bswap_buf((uint32_t*)f->bitstream_buffer, (const uint32_t*)prestream, prestream_size/4);
+    av_fast_malloc(&f->bitstream_buffer, &f->bitstream_buffer_size, prestream_size + FF_INPUT_BUFFER_PADDING_SIZE);
+    if (!f->bitstream_buffer)
+        return AVERROR(ENOMEM);
+    f->dsp.bswap_buf(f->bitstream_buffer, (const uint32_t*)prestream, prestream_size/4);
     init_get_bits(&f->pre_gb, f->bitstream_buffer, 8*prestream_size);
 
     f->last_dc= 0*128*8*8;
@@ -811,7 +815,7 @@ static av_cold int decode_init(AVCodecContext *avctx){
     init_vlcs(f);
 
     if(f->version>2) avctx->pix_fmt= PIX_FMT_RGB565;
-    else             avctx->pix_fmt= PIX_FMT_RGB555;
+    else             avctx->pix_fmt= PIX_FMT_BGR555;
 
     return 0;
 }
@@ -828,6 +832,10 @@ static av_cold int decode_end(AVCodecContext *avctx){
         f->cfrm[i].allocated_size= 0;
     }
     free_vlc(&f->pre_vlc);
+    if(f->current_picture.data[0])
+        avctx->release_buffer(avctx, &f->current_picture);
+    if(f->last_picture.data[0])
+        avctx->release_buffer(avctx, &f->last_picture);
 
     return 0;
 }
@@ -841,7 +849,7 @@ AVCodec fourxm_decoder = {
     NULL,
     decode_end,
     decode_frame,
-    /*CODEC_CAP_DR1,*/
+    CODEC_CAP_DR1,
     .long_name = NULL_IF_CONFIG_SMALL("4X Movie"),
 };