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authorpovaddict <povaddict@users.sourceforge.net>2010-02-10 02:16:44 +0300
committerpovaddict <povaddict@users.sourceforge.net>2010-02-10 02:16:44 +0300
commit726a91b12a7524e45e7a901c9e4883af5b1bffe6 (patch)
treef5d25e3b2e84c92f4901280c73d5d3d7e6c3cd19 /src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/flvdec.c
parent02183f6e47ad4ea1057de9950482f291f2ae4290 (diff)
Rename several directories to use MixedCase instead of lowercase.
They now mostly match the case used in #includes, and they're consistent with the names of the .h files they contain. git-svn-id: https://mpc-hc.svn.sourceforge.net/svnroot/mpc-hc/trunk@1648 10f7b99b-c216-0410-bff0-8a66a9350fd8
Diffstat (limited to 'src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/flvdec.c')
-rw-r--r--src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/flvdec.c135
1 files changed, 135 insertions, 0 deletions
diff --git a/src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/flvdec.c b/src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/flvdec.c
new file mode 100644
index 000000000..104e48d91
--- /dev/null
+++ b/src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/flvdec.c
@@ -0,0 +1,135 @@
+/*
+ * FLV decoding.
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "mpegvideo.h"
+#include "h263.h"
+#include "flv.h"
+
+void ff_flv2_decode_ac_esc(GetBitContext *gb, int *level, int *run, int *last){
+ int is11 = get_bits1(gb);
+ *last = get_bits1(gb);
+ *run = get_bits(gb, 6);
+ if(is11){
+ *level = get_sbits(gb, 11);
+ } else {
+ *level = get_sbits(gb, 7);
+ }
+}
+
+int ff_flv_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;
+}
+
+AVCodec flv_decoder = {
+ "flv",
+ CODEC_TYPE_VIDEO,
+ CODEC_ID_FLV1,
+ sizeof(MpegEncContext),
+ ff_h263_decode_init,
+ NULL,
+ ff_h263_decode_end,
+ ff_h263_decode_frame,
+ /*.capabilities = */CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1,
+ /*.next = */NULL,
+ /*.flush = */NULL,
+ /*.supported_framerates = */NULL,
+ /*.pix_fmts = */NULL,
+ /*.long_name = */NULL_IF_CONFIG_SMALL("Flash Video (FLV) / Sorenson Spark / Sorenson H.263"),
+};