From a0b0d75368c603671379de73993404955ca96079 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Thu, 7 Jan 2010 05:36:45 +0000
Subject: Split flv decoding out.

Originally committed as revision 21051 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/h263.c | 96 ++-----------------------------------------------------
 1 file changed, 2 insertions(+), 94 deletions(-)

(limited to 'libavcodec/h263.c')

diff --git a/libavcodec/h263.c b/libavcodec/h263.c
index 67d01dc246..0576eec8e6 100644
--- a/libavcodec/h263.c
+++ b/libavcodec/h263.c
@@ -4428,15 +4428,8 @@ retry:
         }
         if (code == rl->n) {
             /* escape */
-            if (s->h263_flv > 1) {
-                int is11 = get_bits1(&s->gb);
-                last = get_bits1(&s->gb);
-                run = get_bits(&s->gb, 6);
-                if(is11){
-                    level = get_sbits(&s->gb, 11);
-                } else {
-                    level = get_sbits(&s->gb, 7);
-                }
+            if (CONFIG_FLV_DECODER && s->h263_flv > 1) {
+                ff_flv2_decode_ac_esc(&s->gb, &level, &run, &last);
             } else {
                 last = get_bits1(&s->gb);
                 run = get_bits(&s->gb, 6);
@@ -6166,88 +6159,3 @@ int intel_h263_decode_picture_header(MpegEncContext *s)
 
     return 0;
 }
-
-int flv_h263_decode_picture_header(MpegEncContext *s)
-{
-    int format, width, height;
-
-    /* picture header */
-    if (get_bits_long(&s->gb, 17) != 1) {
-        av_log(s->avctx, AV_LOG_ERROR, "Bad picture start code\n");
-        return -1;
-    }
-    format = get_bits(&s->gb, 5);
-    if (format != 0 && format != 1) {
-        av_log(s->avctx, AV_LOG_ERROR, "Bad picture format\n");
-        return -1;
-    }
-    s->h263_flv = format+1;
-    s->picture_number = get_bits(&s->gb, 8); /* picture timestamp */
-    format = get_bits(&s->gb, 3);
-    switch (format) {
-    case 0:
-        width = get_bits(&s->gb, 8);
-        height = get_bits(&s->gb, 8);
-        break;
-    case 1:
-        width = get_bits(&s->gb, 16);
-        height = get_bits(&s->gb, 16);
-        break;
-    case 2:
-        width = 352;
-        height = 288;
-        break;
-    case 3:
-        width = 176;
-        height = 144;
-        break;
-    case 4:
-        width = 128;
-        height = 96;
-        break;
-    case 5:
-        width = 320;
-        height = 240;
-        break;
-    case 6:
-        width = 160;
-        height = 120;
-        break;
-    default:
-        width = height = 0;
-        break;
-    }
-    if(avcodec_check_dimensions(s->avctx, width, height))
-        return -1;
-    s->width = width;
-    s->height = height;
-
-    s->pict_type = FF_I_TYPE + get_bits(&s->gb, 2);
-    s->dropable= s->pict_type > FF_P_TYPE;
-    if (s->dropable)
-        s->pict_type = FF_P_TYPE;
-
-    skip_bits1(&s->gb); /* deblocking flag */
-    s->chroma_qscale= s->qscale = get_bits(&s->gb, 5);
-
-    s->h263_plus = 0;
-
-    s->unrestricted_mv = 1;
-    s->h263_long_vectors = 0;
-
-    /* PEI */
-    while (get_bits1(&s->gb) != 0) {
-        skip_bits(&s->gb, 8);
-    }
-    s->f_code = 1;
-
-    if(s->avctx->debug & FF_DEBUG_PICT_INFO){
-        av_log(s->avctx, AV_LOG_DEBUG, "%c esc_type:%d, qp:%d num:%d\n",
-               s->dropable ? 'D' : av_get_pict_type_char(s->pict_type), s->h263_flv-1, s->qscale, s->picture_number);
-    }
-
-    s->y_dc_scale_table=
-    s->c_dc_scale_table= ff_mpeg1_dc_scale_table;
-
-    return 0;
-}
-- 
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