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Original commit message from CVS: * gst/multifile/gstmultifilesink.c: (gst_multi_file_sink_class_init): * gst/multifile/gstmultifilesrc.c: (gst_multi_file_src_class_init): * gst/mve/gstmvedemux.c: (gst_mve_video_create_buffer), (gst_mve_video_palette), (gst_mve_video_code_map), (gst_mve_audio_init), (gst_mve_audio_data), (gst_mve_timer_create), (gst_mve_demux_chain): * gst/mve/gstmvemux.c: (gst_mve_mux_push_chunk): * gst/mve/mveaudioenc.c: (mve_compress_audio): * gst/mve/mvevideodec16.c: (ipvideo_copy_block): * gst/mve/mvevideodec8.c: (ipvideo_copy_block): * gst/mve/mvevideoenc16.c: (mve_encode_frame16): * gst/mve/mvevideoenc8.c: (mve_encode_frame8): Use proper print statements. Fixes build on mac os x. <wingo> oo look at me my name is edward i'm hacking on macos wooo
802 lines
19 KiB
C
802 lines
19 KiB
C
/*
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* Interplay MVE Video Decoder (8 bit)
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* Copyright (C) 2003 the ffmpeg project, Mike Melanson
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* (C) 2006 Jens Granseuer
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* For more information about the Interplay MVE format, visit:
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* http://www.pcisys.net/~melanson/codecs/interplay-mve.txt
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*/
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#include "gstmvedemux.h"
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#include <string.h>
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#define CHECK_STREAM(l, n) \
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do { \
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if (G_UNLIKELY (*(l) < (n))) { \
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GST_ERROR ("wanted to read %d bytes from stream, %d available", (n), *(l)); \
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return -1; \
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} \
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*(l) -= (n); \
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} while (0)
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/* copy an 8x8 block from the stream to the frame buffer */
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static int
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ipvideo_copy_block (const GstMveDemuxStream * s, unsigned char *frame,
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const unsigned char *src, int offset)
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{
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int i;
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long frame_offset;
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frame_offset = frame - s->back_buf1 + offset;
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if (G_UNLIKELY (frame_offset < 0)) {
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GST_ERROR ("frame offset < 0 (%ld)", frame_offset);
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return -1;
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} else if (G_UNLIKELY (frame_offset > s->max_block_offset)) {
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GST_ERROR ("frame offset above limit (%ld > %u)",
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frame_offset, s->max_block_offset);
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return -1;
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}
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for (i = 0; i < 8; ++i) {
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memcpy (frame, src, 8);
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frame += s->width;
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src += s->width;
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}
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return 0;
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}
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static int
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ipvideo_decode_0x2 (const GstMveDemuxStream * s, unsigned char *frame,
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const unsigned char **data, unsigned short *len)
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{
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unsigned char B;
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int x, y;
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int offset;
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/* copy block from 2 frames ago using a motion vector */
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CHECK_STREAM (len, 1);
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B = *(*data)++;
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if (B < 56) {
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x = 8 + (B % 7);
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y = B / 7;
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} else {
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x = -14 + ((B - 56) % 29);
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y = 8 + ((B - 56) / 29);
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}
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offset = y * s->width + x;
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return ipvideo_copy_block (s, frame, frame + offset, offset);
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}
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static int
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ipvideo_decode_0x3 (const GstMveDemuxStream * s, unsigned char *frame,
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const unsigned char **data, unsigned short *len)
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{
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unsigned char B;
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int x, y;
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int offset;
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/* copy 8x8 block from current frame from an up/left block */
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CHECK_STREAM (len, 1);
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B = *(*data)++;
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if (B < 56) {
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x = -(8 + (B % 7));
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y = -(B / 7);
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} else {
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x = -(-14 + ((B - 56) % 29));
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y = -(8 + ((B - 56) / 29));
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}
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offset = y * s->width + x;
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return ipvideo_copy_block (s, frame, frame + offset, offset);
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}
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static int
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ipvideo_decode_0x4 (const GstMveDemuxStream * s, unsigned char *frame,
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const unsigned char **data, unsigned short *len)
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{
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unsigned char B;
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int x, y;
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int offset;
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/* copy a block from the previous frame */
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CHECK_STREAM (len, 1);
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B = *(*data)++;
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x = -8 + (B & 0x0F);
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y = -8 + (B >> 4);
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offset = y * s->width + x;
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return ipvideo_copy_block (s, frame,
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frame + (s->back_buf2 - s->back_buf1) + offset, offset);
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}
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static int
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ipvideo_decode_0x5 (const GstMveDemuxStream * s, unsigned char *frame,
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const unsigned char **data, unsigned short *len)
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{
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signed char x, y;
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int offset;
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/* copy a block from the previous frame using an expanded range */
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CHECK_STREAM (len, 2);
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x = (signed char) *(*data)++;
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y = (signed char) *(*data)++;
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offset = y * s->width + x;
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return ipvideo_copy_block (s, frame,
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frame + (s->back_buf2 - s->back_buf1) + offset, offset);
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}
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static int
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ipvideo_decode_0x7 (const GstMveDemuxStream * s, unsigned char *frame,
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const unsigned char **data, unsigned short *len)
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{
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int x, y;
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unsigned char P0, P1;
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unsigned int flags;
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int bitmask;
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/* 2-color encoding */
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CHECK_STREAM (len, 2 + 2);
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P0 = *(*data)++;
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P1 = *(*data)++;
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if (P0 <= P1) {
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/* need 8 more bytes from the stream */
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CHECK_STREAM (len, 8 - 2);
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for (y = 0; y < 8; ++y) {
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flags = *(*data)++;
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for (x = 0x01; x <= 0x80; x <<= 1) {
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if (flags & x)
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*frame++ = P1;
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else
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*frame++ = P0;
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}
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frame += s->width - 8;
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}
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} else {
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/* need 2 more bytes from the stream */
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flags = ((*data)[1] << 8) | (*data)[0];
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(*data) += 2;
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bitmask = 0x0001;
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for (y = 0; y < 8; y += 2) {
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for (x = 0; x < 8; x += 2, bitmask <<= 1) {
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if (flags & bitmask) {
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*(frame + x) = P1;
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*(frame + x + 1) = P1;
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*(frame + s->width + x) = P1;
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*(frame + s->width + x + 1) = P1;
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} else {
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*(frame + x) = P0;
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*(frame + x + 1) = P0;
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*(frame + s->width + x) = P0;
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*(frame + s->width + x + 1) = P0;
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}
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}
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frame += s->width * 2;
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}
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}
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return 0;
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}
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static int
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ipvideo_decode_0x8 (const GstMveDemuxStream * s, unsigned char *frame,
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const unsigned char **data, unsigned short *len)
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{
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int x, y;
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unsigned char P[8];
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unsigned char B[8];
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unsigned int flags = 0;
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unsigned int bitmask = 0;
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unsigned char P0 = 0, P1 = 0;
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int lower_half = 0;
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/* 2-color encoding for each 4x4 quadrant, or 2-color encoding on
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* either top and bottom or left and right halves */
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CHECK_STREAM (len, 4 + 8);
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P[0] = (*data)[0];
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P[1] = (*data)[1];
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B[0] = (*data)[2];
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B[1] = (*data)[3];
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(*data) += 4;
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if (P[0] <= P[1]) {
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/* need 12 more bytes */
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CHECK_STREAM (len, 12 - 8);
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P[2] = (*data)[0];
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P[3] = (*data)[1];
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B[2] = (*data)[2];
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B[3] = (*data)[3];
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P[4] = (*data)[4];
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P[5] = (*data)[5];
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B[4] = (*data)[6];
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B[5] = (*data)[7];
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P[6] = (*data)[8];
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P[7] = (*data)[9];
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B[6] = (*data)[10];
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B[7] = (*data)[11];
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(*data) += 12;
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flags =
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((B[0] & 0xF0) << 4) | ((B[4] & 0xF0) << 8) |
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((B[0] & 0x0F)) | ((B[4] & 0x0F) << 4) |
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((B[1] & 0xF0) << 20) | ((B[5] & 0xF0) << 24) |
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((B[1] & 0x0F) << 16) | ((B[5] & 0x0F) << 20);
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bitmask = 0x00000001;
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lower_half = 0; /* still on top half */
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for (y = 0; y < 8; ++y) {
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/* time to reload flags? */
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if (y == 4) {
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flags =
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((B[2] & 0xF0) << 4) | ((B[6] & 0xF0) << 8) |
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((B[2] & 0x0F)) | ((B[6] & 0x0F) << 4) |
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((B[3] & 0xF0) << 20) | ((B[7] & 0xF0) << 24) |
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((B[3] & 0x0F) << 16) | ((B[7] & 0x0F) << 20);
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bitmask = 0x00000001;
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lower_half = 2;
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}
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/* get the pixel values ready for this quadrant */
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P0 = P[lower_half + 0];
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P1 = P[lower_half + 1];
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for (x = 0; x < 8; ++x, bitmask <<= 1) {
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if (x == 4) {
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P0 = P[lower_half + 4];
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P1 = P[lower_half + 5];
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}
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if (flags & bitmask)
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*frame++ = P1;
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else
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*frame++ = P0;
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}
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frame += s->width - 8;
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}
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} else {
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/* need 8 more bytes */
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B[2] = (*data)[0];
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B[3] = (*data)[1];
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P[2] = (*data)[2];
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P[3] = (*data)[3];
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B[4] = (*data)[4];
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B[5] = (*data)[5];
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B[6] = (*data)[6];
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B[7] = (*data)[7];
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(*data) += 8;
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if (P[2] <= P[3]) {
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/* vertical split; left & right halves are 2-color encoded */
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flags =
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((B[0] & 0xF0) << 4) | ((B[4] & 0xF0) << 8) |
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((B[0] & 0x0F)) | ((B[4] & 0x0F) << 4) |
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((B[1] & 0xF0) << 20) | ((B[5] & 0xF0) << 24) |
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((B[1] & 0x0F) << 16) | ((B[5] & 0x0F) << 20);
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bitmask = 0x00000001;
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for (y = 0; y < 8; ++y) {
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/* time to reload flags? */
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if (y == 4) {
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flags =
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((B[2] & 0xF0) << 4) | ((B[6] & 0xF0) << 8) |
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((B[2] & 0x0F)) | ((B[6] & 0x0F) << 4) |
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((B[3] & 0xF0) << 20) | ((B[7] & 0xF0) << 24) |
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((B[3] & 0x0F) << 16) | ((B[7] & 0x0F) << 20);
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bitmask = 0x00000001;
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}
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/* get the pixel values ready for this half */
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P0 = P[0];
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P1 = P[1];
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for (x = 0; x < 8; ++x, bitmask <<= 1) {
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if (x == 4) {
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P0 = P[2];
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P1 = P[3];
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}
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if (flags & bitmask)
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*frame++ = P1;
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else
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*frame++ = P0;
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}
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frame += s->width - 8;
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}
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} else {
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/* horizontal split; top & bottom halves are 2-color encoded */
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P0 = P[0];
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P1 = P[1];
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for (y = 0; y < 8; ++y) {
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flags = B[y];
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if (y == 4) {
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P0 = P[2];
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P1 = P[3];
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}
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for (bitmask = 0x01; bitmask <= 0x80; bitmask <<= 1) {
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if (flags & bitmask)
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*frame++ = P1;
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else
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*frame++ = P0;
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}
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frame += s->width - 8;
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}
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}
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}
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return 0;
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}
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static int
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ipvideo_decode_0x9 (const GstMveDemuxStream * s, unsigned char *frame,
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const unsigned char **data, unsigned short *len)
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{
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int x, y;
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unsigned char P[4];
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unsigned char B[4];
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unsigned long flags = 0;
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int shifter = 0;
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unsigned char pix;
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/* 4-color encoding */
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CHECK_STREAM (len, 4 + 4);
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P[0] = (*data)[0];
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P[1] = (*data)[1];
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P[2] = (*data)[2];
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P[3] = (*data)[3];
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(*data) += 4;
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if ((P[0] <= P[1]) && (P[2] <= P[3])) {
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/* 1 of 4 colors for each pixel, need 16 more bytes */
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CHECK_STREAM (len, 16 - 4);
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for (y = 0; y < 8; ++y) {
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/* get the next set of 8 2-bit flags */
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flags = ((*data)[1] << 8) | (*data)[0];
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(*data) += 2;
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for (x = 0, shifter = 0; x < 8; ++x, shifter += 2) {
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*frame++ = P[(flags >> shifter) & 0x03];
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}
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frame += s->width - 8;
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}
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} else if ((P[0] <= P[1]) && (P[2] > P[3])) {
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/* 1 of 4 colors for each 2x2 block, need 4 more bytes */
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B[0] = (*data)[0];
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B[1] = (*data)[1];
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B[2] = (*data)[2];
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B[3] = (*data)[3];
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(*data) += 4;
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flags = (B[3] << 24) | (B[2] << 16) | (B[1] << 8) | B[0];
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shifter = 0;
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for (y = 0; y < 8; y += 2) {
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for (x = 0; x < 8; x += 2, shifter += 2) {
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pix = P[(flags >> shifter) & 0x03];
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*(frame + x) = pix;
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*(frame + x + 1) = pix;
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*(frame + s->width + x) = pix;
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*(frame + s->width + x + 1) = pix;
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}
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frame += s->width * 2;
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}
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} else if ((P[0] > P[1]) && (P[2] <= P[3])) {
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/* 1 of 4 colors for each 2x1 block, need 8 more bytes */
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CHECK_STREAM (len, 8 - 4);
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for (y = 0; y < 8; ++y) {
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/* time to reload flags? */
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if ((y == 0) || (y == 4)) {
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B[0] = (*data)[0];
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B[1] = (*data)[1];
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B[2] = (*data)[2];
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B[3] = (*data)[3];
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(*data) += 4;
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flags = (B[3] << 24) | (B[2] << 16) | (B[1] << 8) | B[0];
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shifter = 0;
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}
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for (x = 0; x < 8; x += 2, shifter += 2) {
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pix = P[(flags >> shifter) & 0x03];
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*(frame + x) = pix;
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*(frame + x + 1) = pix;
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}
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frame += s->width;
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}
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} else {
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/* 1 of 4 colors for each 1x2 block, need 8 more bytes */
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CHECK_STREAM (len, 8 - 4);
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for (y = 0; y < 8; y += 2) {
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/* time to reload flags? */
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if ((y == 0) || (y == 4)) {
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B[0] = (*data)[0];
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B[1] = (*data)[1];
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B[2] = (*data)[2];
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B[3] = (*data)[3];
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(*data) += 4;
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flags = (B[3] << 24) | (B[2] << 16) | (B[1] << 8) | B[0];
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shifter = 0;
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}
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for (x = 0; x < 8; ++x, shifter += 2) {
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pix = P[(flags >> shifter) & 0x03];
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*(frame + x) = pix;
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*(frame + s->width + x) = pix;
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}
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frame += s->width * 2;
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}
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}
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return 0;
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}
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static int
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ipvideo_decode_0xa (const GstMveDemuxStream * s, unsigned char *frame,
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const unsigned char **data, unsigned short *len)
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{
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int x, y;
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unsigned char P[16];
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unsigned char B[16];
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int flags = 0;
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int shifter = 0;
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int index;
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int split;
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int lower_half;
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/* 4-color encoding for each 4x4 quadrant, or 4-color encoding on
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* either top and bottom or left and right halves */
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CHECK_STREAM (len, 8 + 16);
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|
|
P[0] = (*data)[0];
|
|
P[1] = (*data)[1];
|
|
P[2] = (*data)[2];
|
|
P[3] = (*data)[3];
|
|
B[0] = (*data)[4];
|
|
B[1] = (*data)[5];
|
|
B[2] = (*data)[6];
|
|
B[3] = (*data)[7];
|
|
(*data) += 8;
|
|
|
|
if (P[0] <= P[1]) {
|
|
|
|
/* 4-color encoding for each quadrant; need 24 more bytes */
|
|
CHECK_STREAM (len, 24 - 16);
|
|
|
|
for (y = 4; y < 16; y += 4) {
|
|
for (x = y; x < y + 4; ++x)
|
|
P[x] = *(*data)++;
|
|
for (x = y; x < y + 4; ++x)
|
|
B[x] = *(*data)++;
|
|
}
|
|
|
|
for (y = 0; y < 8; ++y) {
|
|
|
|
lower_half = (y >= 4) ? 4 : 0;
|
|
flags = (B[y + 8] << 8) | B[y];
|
|
|
|
for (x = 0, shifter = 0; x < 8; ++x, shifter += 2) {
|
|
split = (x >= 4) ? 8 : 0;
|
|
index = split + lower_half + ((flags >> shifter) & 0x03);
|
|
*frame++ = P[index];
|
|
}
|
|
|
|
frame += s->width - 8;
|
|
}
|
|
|
|
} else {
|
|
|
|
/* 4-color encoding for either left and right or top and bottom
|
|
* halves; need 16 more bytes */
|
|
|
|
B[4] = (*data)[0];
|
|
B[5] = (*data)[1];
|
|
B[6] = (*data)[2];
|
|
B[7] = (*data)[3];
|
|
P[4] = (*data)[4];
|
|
P[5] = (*data)[5];
|
|
P[6] = (*data)[6];
|
|
P[7] = (*data)[7];
|
|
(*data) += 8;
|
|
memcpy (&B[8], *data, 8);
|
|
(*data) += 8;
|
|
|
|
if (P[4] <= P[5]) {
|
|
|
|
/* block is divided into left and right halves */
|
|
for (y = 0; y < 8; ++y) {
|
|
|
|
flags = (B[y + 8] << 8) | B[y];
|
|
split = 0;
|
|
|
|
for (x = 0, shifter = 0; x < 8; ++x, shifter += 2) {
|
|
if (x == 4)
|
|
split = 4;
|
|
*frame++ = P[split + ((flags >> shifter) & 0x03)];
|
|
}
|
|
|
|
frame += s->width - 8;
|
|
}
|
|
|
|
} else {
|
|
|
|
/* block is divided into top and bottom halves */
|
|
split = 0;
|
|
for (y = 0; y < 8; ++y) {
|
|
|
|
flags = (B[y * 2 + 1] << 8) | B[y * 2];
|
|
if (y == 4)
|
|
split = 4;
|
|
|
|
for (x = 0, shifter = 0; x < 8; ++x, shifter += 2)
|
|
*frame++ = P[split + ((flags >> shifter) & 0x03)];
|
|
|
|
frame += s->width - 8;
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ipvideo_decode_0xb (const GstMveDemuxStream * s, unsigned char *frame,
|
|
const unsigned char **data, unsigned short *len)
|
|
{
|
|
int y;
|
|
|
|
/* 64-color encoding (each pixel in block is a different color) */
|
|
CHECK_STREAM (len, 64);
|
|
|
|
for (y = 0; y < 8; ++y) {
|
|
memcpy (frame, *data, 8);
|
|
frame += s->width;
|
|
(*data) += 8;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ipvideo_decode_0xc (const GstMveDemuxStream * s, unsigned char *frame,
|
|
const unsigned char **data, unsigned short *len)
|
|
{
|
|
int x, y;
|
|
unsigned char pix;
|
|
|
|
/* 16-color block encoding: each 2x2 block is a different color */
|
|
CHECK_STREAM (len, 16);
|
|
|
|
for (y = 0; y < 8; y += 2) {
|
|
for (x = 0; x < 8; x += 2) {
|
|
pix = *(*data)++;
|
|
*(frame + x) = pix;
|
|
*(frame + x + 1) = pix;
|
|
*(frame + s->width + x) = pix;
|
|
*(frame + s->width + x + 1) = pix;
|
|
}
|
|
frame += s->width * 2;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ipvideo_decode_0xd (const GstMveDemuxStream * s, unsigned char *frame,
|
|
const unsigned char **data, unsigned short *len)
|
|
{
|
|
int x, y;
|
|
unsigned char P[4];
|
|
unsigned char index = 0;
|
|
|
|
/* 4-color block encoding: each 4x4 block is a different color */
|
|
CHECK_STREAM (len, 4);
|
|
|
|
P[0] = (*data)[0];
|
|
P[1] = (*data)[1];
|
|
P[2] = (*data)[2];
|
|
P[3] = (*data)[3];
|
|
(*data) += 4;
|
|
|
|
for (y = 0; y < 8; ++y) {
|
|
if (y < 4)
|
|
index = 0;
|
|
else
|
|
index = 2;
|
|
|
|
for (x = 0; x < 8; ++x) {
|
|
if (x == 4)
|
|
++index;
|
|
*frame++ = P[index];
|
|
}
|
|
frame += s->width - 8;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ipvideo_decode_0xe (const GstMveDemuxStream * s, unsigned char *frame,
|
|
const unsigned char **data, unsigned short *len)
|
|
{
|
|
int y;
|
|
unsigned char pix;
|
|
|
|
/* 1-color encoding: the whole block is 1 solid color */
|
|
CHECK_STREAM (len, 1);
|
|
pix = *(*data)++;
|
|
|
|
for (y = 0; y < 8; ++y) {
|
|
memset (frame, pix, 8);
|
|
frame += s->width;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ipvideo_decode_0xf (const GstMveDemuxStream * s, unsigned char *frame,
|
|
const unsigned char **data, unsigned short *len)
|
|
{
|
|
int x, y;
|
|
unsigned char P[2];
|
|
|
|
/* dithered encoding */
|
|
CHECK_STREAM (len, 2);
|
|
|
|
P[0] = *(*data)++;
|
|
P[1] = *(*data)++;
|
|
|
|
for (y = 0; y < 8; ++y) {
|
|
for (x = 0; x < 4; ++x) {
|
|
*frame++ = P[y & 1];
|
|
*frame++ = P[(y & 1) ^ 1];
|
|
}
|
|
frame += s->width - 8;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
ipvideo_decode_frame8 (const GstMveDemuxStream * s, const unsigned char *data,
|
|
unsigned short len)
|
|
{
|
|
int rc = 0;
|
|
int x, y, xx, yy;
|
|
int index = 0;
|
|
unsigned char opcode;
|
|
unsigned char *frame;
|
|
|
|
frame = s->back_buf1;
|
|
|
|
/* decoding is done in 8x8 blocks */
|
|
xx = s->width >> 3;
|
|
yy = s->height >> 3;
|
|
|
|
for (y = 0; y < yy; ++y) {
|
|
for (x = 0; x < xx; ++x) {
|
|
/* decoding map contains 4 bits of information per 8x8 block */
|
|
/* bottom nibble first, then top nibble */
|
|
if (index & 1)
|
|
opcode = s->code_map[index >> 1] >> 4;
|
|
else
|
|
opcode = s->code_map[index >> 1] & 0x0F;
|
|
++index;
|
|
|
|
/* GST_DEBUG ("block @ (%3d, %3d): encoding 0x%X, data ptr @ %p",
|
|
x, y, opcode, data); */
|
|
|
|
switch (opcode) {
|
|
case 0x00:
|
|
/* copy a block from the previous frame */
|
|
rc = ipvideo_copy_block (s, frame,
|
|
frame + (s->back_buf2 - s->back_buf1), 0);
|
|
break;
|
|
case 0x01:
|
|
/* copy block from 2 frames ago; since we switched the back
|
|
* buffers we don't actually have to do anything here */
|
|
break;
|
|
case 0x02:
|
|
rc = ipvideo_decode_0x2 (s, frame, &data, &len);
|
|
break;
|
|
case 0x03:
|
|
rc = ipvideo_decode_0x3 (s, frame, &data, &len);
|
|
break;
|
|
case 0x04:
|
|
rc = ipvideo_decode_0x4 (s, frame, &data, &len);
|
|
break;
|
|
case 0x05:
|
|
rc = ipvideo_decode_0x5 (s, frame, &data, &len);
|
|
break;
|
|
case 0x06:
|
|
/* mystery opcode? skip multiple blocks? */
|
|
GST_WARNING ("encountered unsupported opcode 0x6");
|
|
rc = -1;
|
|
break;
|
|
case 0x07:
|
|
rc = ipvideo_decode_0x7 (s, frame, &data, &len);
|
|
break;
|
|
case 0x08:
|
|
rc = ipvideo_decode_0x8 (s, frame, &data, &len);
|
|
break;
|
|
case 0x09:
|
|
rc = ipvideo_decode_0x9 (s, frame, &data, &len);
|
|
break;
|
|
case 0x0a:
|
|
rc = ipvideo_decode_0xa (s, frame, &data, &len);
|
|
break;
|
|
case 0x0b:
|
|
rc = ipvideo_decode_0xb (s, frame, &data, &len);
|
|
break;
|
|
case 0x0c:
|
|
rc = ipvideo_decode_0xc (s, frame, &data, &len);
|
|
break;
|
|
case 0x0d:
|
|
rc = ipvideo_decode_0xd (s, frame, &data, &len);
|
|
break;
|
|
case 0x0e:
|
|
rc = ipvideo_decode_0xe (s, frame, &data, &len);
|
|
break;
|
|
case 0x0f:
|
|
rc = ipvideo_decode_0xf (s, frame, &data, &len);
|
|
break;
|
|
}
|
|
|
|
if (rc != 0)
|
|
return rc;
|
|
|
|
frame += 8;
|
|
}
|
|
frame += 7 * s->width;
|
|
}
|
|
|
|
return 0;
|
|
}
|