avconv: rename output_packet() to process_input_packet()

[ffmpeg] / libavcodec / g2meet.c

diff --git a/libavcodec/g2meet.c b/libavcodec/g2meet.c
index a741b6f0f231602f500fe107fe91c4ec95e375fb..c405f38e42b470983fbc09b5a375fa886abf6f84 100644 (file)
--- a/libavcodec/g2meet.c
+++ b/libavcodec/g2meet.c
@@ -29,8 +29,9 @@
 
 #include "libavutil/intreadwrite.h"
 #include "avcodec.h"
+#include "blockdsp.h"
 #include "bytestream.h"
-#include "dsputil.h"
+#include "idctdsp.h"
 #include "get_bits.h"
 #include "internal.h"
 #include "mjpeg.h"
@@ -72,7 +73,8 @@ static const uint8_t chroma_quant[64] = {
 };
 
 typedef struct JPGContext {
-    DSPContext dsp;
+    BlockDSPContext bdsp;
+    IDCTDSPContext idsp;
     ScanTable  scantable;
 
     VLC        dc_vlc[2], ac_vlc[2];
@@ -88,6 +90,7 @@ typedef struct G2MContext {
 
     int        compression;
     int        width, height, bpp;
+    int        orig_width, orig_height;
     int        tile_width, tile_height;
     int        tiles_x, tiles_y, tile_x, tile_y;
 
@@ -150,8 +153,9 @@ static av_cold int jpg_init(AVCodecContext *avctx, JPGContext *c)
     if (ret)
         return ret;
 
-    ff_dsputil_init(&c->dsp, avctx);
-    ff_init_scantable(c->dsp.idct_permutation, &c->scantable,
+    ff_blockdsp_init(&c->bdsp, avctx);
+    ff_idctdsp_init(&c->idsp, avctx);
+    ff_init_scantable(c->idsp.idct_permutation, &c->scantable,
                       ff_zigzag_direct);
 
     return 0;
@@ -193,7 +197,7 @@ static int jpg_decode_block(JPGContext *c, GetBitContext *gb,
     const int is_chroma = !!plane;
     const uint8_t *qmat = is_chroma ? chroma_quant : luma_quant;
 
-    c->dsp.clear_block(block);
+    c->bdsp.clear_block(block);
     dc = get_vlc2(gb, c->dc_vlc[is_chroma].table, 9, 3);
     if (dc < 0)
         return AVERROR_INVALIDDATA;
@@ -259,7 +263,7 @@ static int jpg_decode_data(JPGContext *c, int width, int height,
     for (i = 0; i < 3; i++)
         c->prev_dc[i] = 1024;
     bx = by = 0;
-    c->dsp.clear_blocks(c->block[0]);
+    c->bdsp.clear_blocks(c->block[0]);
     for (mb_y = 0; mb_y < mb_h; mb_y++) {
         for (mb_x = 0; mb_x < mb_w; mb_x++) {
             if (mask && !mask[mb_x * 2] && !mask[mb_x * 2 + 1] &&
@@ -276,13 +280,13 @@ static int jpg_decode_data(JPGContext *c, int width, int height,
                     if ((ret = jpg_decode_block(c, &gb, 0,
                                                 c->block[i + j * 2])) != 0)
                         return ret;
-                    c->dsp.idct(c->block[i + j * 2]);
+                    c->idsp.idct(c->block[i + j * 2]);
                 }
             }
             for (i = 1; i < 3; i++) {
                 if ((ret = jpg_decode_block(c, &gb, i, c->block[i + 3])) != 0)
                     return ret;
-                c->dsp.idct(c->block[i + 3]);
+                c->idsp.idct(c->block[i + 3]);
             }
 
             for (j = 0; j < 16; j++) {
@@ -707,8 +711,8 @@ static int g2m_decode_frame(AVCodecContext *avctx, void *data,
             }
             c->width  = bytestream2_get_be32(&bc);
             c->height = bytestream2_get_be32(&bc);
-            if (c->width  < 16 || c->width  > avctx->width ||
-                c->height < 16 || c->height > avctx->height) {
+            if (c->width  < 16 || c->width  > c->orig_width ||
+                c->height < 16 || c->height > c->orig_height) {
                 av_log(avctx, AV_LOG_ERROR,
                        "Invalid frame dimensions %dx%d\n",
                        c->width, c->height);
@@ -872,6 +876,10 @@ static av_cold int g2m_decode_init(AVCodecContext *avctx)
 
     avctx->pix_fmt = AV_PIX_FMT_RGB24;
 
+    // store original sizes and check against those if resize happens
+    c->orig_width  = avctx->width;
+    c->orig_height = avctx->height;
+
     return 0;
 }