This commit was manufactured by cvs2svn to create branch 'CVS'.CVS

1 files changed, 0 insertions, 224 deletions

diff --git a/tools/h264.c b/tools/h264.c
deleted file mode 100644
index a729a289..00000000
--- a/tools/h264.c
+++ /dev/null
@@ -1,224 +0,0 @@
-/*
- * h264.c: H.264 bitstream decoding
- *
- * See the main source file 'xineliboutput.c' for copyright information and
- * how to reach the author.
- *
- * $Id: h264.c,v 1.7 2009-03-31 11:33:05 phintuka Exp $
- *
- */
-
-#include <stdint.h>
-#include <string.h>
-
-#ifndef LOG_MODULENAME
-#  define LOG_MODULENAME "[h264     ] "
-#  define SysLogLevel    iSysLogLevel
-#  include "../logdefs.h"
-#endif
-
-#define NOCACHE 1
-#include "bitstream.h"
-
-#include "mpeg.h"
-#include "h264.h"
-
-
-int h264_parse_sps(const uint8_t *buf, int len, h264_sps_data_t *sps)
-{
-  br_state br = BR_INIT(buf, len);
-  int profile_idc, pic_order_cnt_type;
-  int frame_mbs_only;
-  int i, j;
-
-  profile_idc = br_get_u8(&br);
-  LOGDBG("H.264 SPS: profile_idc %d", profile_idc);
-  /* constraint_set0_flag = br_get_bit(br);    */
-  /* constraint_set1_flag = br_get_bit(br);    */
-  /* constraint_set2_flag = br_get_bit(br);    */
-  /* constraint_set3_flag = br_get_bit(br);    */
-  /* reserved             = br_get_bits(br,4); */
-  /* level_idc            = br_get_u8(br);     */ 
-  br_skip_bits(&br, 16);
-  br_skip_ue_golomb(&br);   /* seq_parameter_set_id */
-  if (profile_idc >= 100) {
-    if (br_get_ue_golomb(&br) == 3) /* chroma_format_idc      */
-      br_skip_bit(&br);     /* residual_colour_transform_flag */
-    br_skip_ue_golomb(&br); /* bit_depth_luma - 8             */
-    br_skip_ue_golomb(&br); /* bit_depth_chroma - 8           */
-    br_skip_bit(&br);       /* transform_bypass               */
-    if (br_get_bit(&br))    /* seq_scaling_matrix_present     */
-      for (i = 0; i < 8; i++)  
-	if (br_get_bit(&br)) { /* seq_scaling_list_present    */
-	  int last = 8, next = 8, size = (i<6) ? 16 : 64;
-	  for (j = 0; j < size; j++) {
-	    if (next)
-	      next = (last + br_get_se_golomb(&br)) & 0xff;
-	    last = next ?: last;
-	  }
-	}
-  }
-
-  br_skip_ue_golomb(&br);      /* log2_max_frame_num - 4 */
-  pic_order_cnt_type = br_get_ue_golomb(&br);
-  if (pic_order_cnt_type == 0)
-    br_skip_ue_golomb(&br);    /* log2_max_poc_lsb - 4 */
-  else if (pic_order_cnt_type == 1) {
-    br_skip_bit(&br);          /* delta_pic_order_always_zero     */
-    br_skip_se_golomb(&br);    /* offset_for_non_ref_pic          */
-    br_skip_se_golomb(&br);    /* offset_for_top_to_bottom_field  */
-    j = br_get_ue_golomb(&br); /* num_ref_frames_in_pic_order_cnt_cycle */
-    for (i = 0; i < j; i++)
-      br_skip_se_golomb(&br);  /* offset_for_ref_frame[i]         */
-  }
-  br_skip_ue_golomb(&br);      /* ref_frames                      */
-  br_skip_bit(&br);            /* gaps_in_frame_num_allowed       */
-  sps->width  /* mbs */ = br_get_ue_golomb(&br) + 1;
-  sps->height /* mbs */ = br_get_ue_golomb(&br) + 1;
-  frame_mbs_only        = br_get_bit(&br);
-  LOGDBG("H.264 SPS: pic_width:  %u mbs", (unsigned) sps->width);
-  LOGDBG("H.264 SPS: pic_height: %u mbs", (unsigned) sps->height);
-  LOGDBG("H.264 SPS: frame only flag: %d", frame_mbs_only);
-  
-  sps->width  *= 16;
-  sps->height *= 16 * (2-frame_mbs_only);
-  
-  if (!frame_mbs_only)
-    if (br_get_bit(&br)) /* mb_adaptive_frame_field_flag */
-      LOGDBG("H.264 SPS: MBAFF");
-  br_skip_bit(&br);      /* direct_8x8_inference_flag    */
-  if (br_get_bit(&br)) { /* frame_cropping_flag */
-    uint32_t crop_left   = br_get_ue_golomb(&br);
-    uint32_t crop_right  = br_get_ue_golomb(&br);
-    uint32_t crop_top    = br_get_ue_golomb(&br);
-    uint32_t crop_bottom = br_get_ue_golomb(&br);
-    LOGDBG("H.264 SPS: cropping %d %d %d %d", 
-	   crop_left, crop_top, crop_right, crop_bottom);
-
-    sps->width -= 2*(crop_left + crop_right);
-    if (frame_mbs_only)
-      sps->height -= 2*(crop_top + crop_bottom); 
-    else
-      sps->height -= 4*(crop_top + crop_bottom);
-  }
-
-  /* VUI parameters */
-  sps->pixel_aspect.num = 0;
-  if (br_get_bit(&br)) {   /* vui_parameters_present flag */
-    if (br_get_bit(&br)) { /* aspect_ratio_info_present */
-      uint32_t aspect_ratio_idc = br_get_u8(&br);
-      LOGDBG("H.264 SPS: aspect_ratio_idc %d", aspect_ratio_idc);
-
-      if (aspect_ratio_idc == 255 /* Extended_SAR */) {
-	sps->pixel_aspect.num = br_get_u16(&br); /* sar_width */
-	sps->pixel_aspect.den = br_get_u16(&br); /* sar_height */
-	LOGDBG("H.264 SPS: -> sar %dx%d", sps->pixel_aspect.num, sps->pixel_aspect.den);
-      } else {
-	static const mpeg_rational_t aspect_ratios[] =
-	  { /* page 213: */
-	    /* 0: unknown */
-	    {0, 1},
-	    /* 1...16: */
-	    { 1,  1}, {12, 11}, {10, 11}, {16, 11}, { 40, 33}, {24, 11}, {20, 11}, {32, 11}, 
-	    {80, 33}, {18, 11}, {15, 11}, {64, 33}, {160, 99}, { 4,  3}, { 3,  2}, { 2,  1}
-	  };
-
-	if (aspect_ratio_idc < sizeof(aspect_ratios)/sizeof(aspect_ratios[0])) {
-	  memcpy(&sps->pixel_aspect, &aspect_ratios[aspect_ratio_idc], sizeof(mpeg_rational_t));
-	  LOGDBG("H.264 SPS: -> aspect ratio %d / %d", sps->pixel_aspect.num, sps->pixel_aspect.den);
-	} else {
-	  LOGMSG("H.264 SPS: aspect_ratio_idc out of range !");
-	}
-      }
-    }
-  }
-
-  LOGDBG("H.264 SPS: -> video size %dx%d, aspect %d:%d",
-	 sps->width, sps->height, sps->pixel_aspect.num, sps->pixel_aspect.den);
-
-  if(BR_EOF(&br)) {
-    LOGDBG("H.264 SPS: not enough data ?");
-    return 0;
-  }
-  return 1;
-}
-
-static int h264_nal_unescape(uint8_t *dst, const uint8_t *src, int len)
-{
-  int s = 0, d = 0;
-  while (s < len) {
-    if (!src[s] && !src[s+1]) {
-      /* hit 00 00 xx */
-      dst[d] = dst[d+1] = 0;
-      s += 2;
-      d += 2;
-      if (src[s] == 3) {
-	s++; /* 00 00 03 xx --> 00 00 xx */
-	/*LOGDBG("h264_nal_unescape: hit 00 00 03 %02x", src[s]);*/
-	if (s >= len)
-	  return d;
-      } /* else if (src[s] == 0 || src[s] == 1) {
-	LOGDBG("h264_nal_unescape: invalid NAL sequence 00 00 %02x %02x", src[s], src[s+1]);
-	return -1;
-      }*/
-    }
-    dst[d++] = src[s++];
-  }
-  return d;
-}
-
-int h264_get_picture_type(const uint8_t *buf, int len)
-{
-  int i;
-  for (i = 0; i < len-5; i++) {
-    if (buf[i] == 0 && buf[i + 1] == 0 && buf[i + 2] == 1 && buf[i + 3] == NAL_AUD) {
-      uint8_t type = (buf[i + 4] >> 5);
-      switch (type) {
-        case 0: case 3: case 5: return I_FRAME;
-        case 1: case 4: case 6: return P_FRAME;
-        case 2: case 7:         return B_FRAME;
-        default:;
-      }
-    }
-  }
-  return NO_PICTURE;
-}
-
-int h264_get_video_size(const uint8_t *buf, int len, video_size_t *size)
-{
-  int i;
-
-  /* H.264 detection, search for NAL AUD */
-  if (!IS_NAL_AUD(buf))
-    return 0;
-
-  /* if I-frame, search for NAL SPS */
-  if (h264_get_picture_type(buf, len) != I_FRAME)
-    return 0;
-
-  /* scan video packet for sequence parameter set */
-  for (i = 5; i < len-4; i++) 
-    if (buf[i] == 0 && buf[i + 1] == 0 && buf[i + 2] == 1 && (buf[i + 3] & 0x1f) == NAL_SPS) {
-
-      uint8_t nal_data[len];
-      int     nal_len;
-
-      LOGDBG("H.264: Found NAL SPS at offset %d/%d", i, len);
-
-      if (0 < (nal_len = h264_nal_unescape(nal_data, buf+i+4, len-i-4))) {
-
-	h264_sps_data_t sps = {0};
-
-	if (h264_parse_sps(nal_data, nal_len, &sps)) {
-	  size->width  = sps.width;
-	  size->height = sps.height;
-	  memcpy(&size->pixel_aspect, &sps.pixel_aspect, sizeof(mpeg_rational_t));
-	  return 1;
-	}
-	LOGMSG("h264_get_video_size: not enough data ?");
-      }
-    }
-
-  return 0;
-}
-