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-rw-r--r--libmpeg2/stats.c315
1 files changed, 0 insertions, 315 deletions
diff --git a/libmpeg2/stats.c b/libmpeg2/stats.c
deleted file mode 100644
index f3456058df..0000000000
--- a/libmpeg2/stats.c
+++ /dev/null
@@ -1,315 +0,0 @@
-/*
- * stats.c
- * Copyright (C) 1999-2001 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
- *
- * This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
- *
- * mpeg2dec is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * mpeg2dec 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include "config.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <inttypes.h>
-
-#include "mpeg2_internal.h"
-
-static int debug_level = -1;
-
-/* Determine is debug output is required. */
-/* We could potentially have multiple levels of debug info */
-static int debug_is_on (void)
-{
- char * env_var;
-
- if (debug_level < 0) {
- env_var = getenv ("MPEG2_DEBUG");
-
- if (env_var)
- debug_level = 1;
- else
- debug_level = 0;
- }
-
- return debug_level;
-}
-
-static void stats_picture (uint8_t * buffer)
-{
- static char * picture_coding_type_str [8] = {
- "Invalid picture type",
- "I-type",
- "P-type",
- "B-type",
- "D (very bad)",
- "Invalid","Invalid","Invalid"
- };
-
- int picture_coding_type;
- int temporal_reference;
- int vbv_delay;
-
- temporal_reference = (buffer[0] << 2) | (buffer[1] >> 6);
- picture_coding_type = (buffer [1] >> 3) & 7;
- vbv_delay = ((buffer[1] << 13) | (buffer[2] << 5) |
- (buffer[3] >> 3)) & 0xffff;
-
- fprintf (stderr, " (picture) %s temporal_reference %d, vbv_delay %d\n",
- picture_coding_type_str [picture_coding_type],
- temporal_reference, vbv_delay);
-}
-
-static void stats_user_data (uint8_t * buffer)
-{
- fprintf (stderr, " (user_data)\n");
-}
-
-static void stats_sequence (uint8_t * buffer)
-{
- static char * aspect_ratio_information_str[8] = {
- "Invalid Aspect Ratio",
- "1:1",
- "4:3",
- "16:9",
- "2.21:1",
- "Invalid Aspect Ratio",
- "Invalid Aspect Ratio",
- "Invalid Aspect Ratio"
- };
- static char * frame_rate_str[16] = {
- "Invalid frame_rate_code",
- "23.976", "24", "25" , "29.97",
- "30" , "50", "59.94", "60" ,
- "Invalid frame_rate_code", "Invalid frame_rate_code",
- "Invalid frame_rate_code", "Invalid frame_rate_code",
- "Invalid frame_rate_code", "Invalid frame_rate_code",
- "Invalid frame_rate_code"
- };
-
- int horizontal_size;
- int vertical_size;
- int aspect_ratio_information;
- int frame_rate_code;
- int bit_rate_value;
- int vbv_buffer_size_value;
- int constrained_parameters_flag;
- int load_intra_quantizer_matrix;
- int load_non_intra_quantizer_matrix;
-
- vertical_size = (buffer[0] << 16) | (buffer[1] << 8) | buffer[2];
- horizontal_size = vertical_size >> 12;
- vertical_size &= 0xfff;
- aspect_ratio_information = buffer[3] >> 4;
- frame_rate_code = buffer[3] & 15;
- bit_rate_value = (buffer[4] << 10) | (buffer[5] << 2) | (buffer[6] >> 6);
- vbv_buffer_size_value = ((buffer[6] << 5) | (buffer[7] >> 3)) & 0x3ff;
- constrained_parameters_flag = buffer[7] & 4;
- load_intra_quantizer_matrix = buffer[7] & 2;
- if (load_intra_quantizer_matrix)
- buffer += 64;
- load_non_intra_quantizer_matrix = buffer[7] & 1;
-
- fprintf (stderr, " (seq) %dx%d %s, %s fps, %5.0f kbps, VBV %d kB%s%s%s\n",
- horizontal_size, vertical_size,
- aspect_ratio_information_str [aspect_ratio_information],
- frame_rate_str [frame_rate_code],
- bit_rate_value * 400.0 / 1000.0,
- 2 * vbv_buffer_size_value,
- constrained_parameters_flag ? " , CP":"",
- load_intra_quantizer_matrix ? " , Custom Intra Matrix":"",
- load_non_intra_quantizer_matrix ? " , Custom Non-Intra Matrix":"");
-}
-
-static void stats_sequence_error (uint8_t * buffer)
-{
- fprintf (stderr, " (sequence_error)\n");
-}
-
-static void stats_sequence_end (uint8_t * buffer)
-{
- fprintf (stderr, " (sequence_end)\n");
-}
-
-static void stats_group (uint8_t * buffer)
-{
- fprintf (stderr, " (group)%s%s\n",
- (buffer[4] & 0x40) ? " closed_gop" : "",
- (buffer[4] & 0x20) ? " broken_link" : "");
-}
-
-static void stats_slice (uint8_t code, uint8_t * buffer)
-{
- /* fprintf (stderr, " (slice %d)\n", code); */
-}
-
-static void stats_sequence_extension (uint8_t * buffer)
-{
- static char * chroma_format_str[4] = {
- "Invalid Chroma Format",
- "4:2:0 Chroma",
- "4:2:2 Chroma",
- "4:4:4 Chroma"
- };
-
- int progressive_sequence;
- int chroma_format;
-
- progressive_sequence = (buffer[1] >> 3) & 1;
- chroma_format = (buffer[1] >> 1) & 3;
-
- fprintf (stderr, " (seq_ext) progressive_sequence %d, %s\n",
- progressive_sequence, chroma_format_str [chroma_format]);
-}
-
-static void stats_sequence_display_extension (uint8_t * buffer)
-{
- fprintf (stderr, " (sequence_display_extension)\n");
-}
-
-static void stats_quant_matrix_extension (uint8_t * buffer)
-{
- fprintf (stderr, " (quant_matrix_extension)\n");
-}
-
-static void stats_copyright_extension (uint8_t * buffer)
-{
- fprintf (stderr, " (copyright_extension)\n");
-}
-
-
-static void stats_sequence_scalable_extension (uint8_t * buffer)
-{
- fprintf (stderr, " (sequence_scalable_extension)\n");
-}
-
-static void stats_picture_display_extension (uint8_t * buffer)
-{
- fprintf (stderr, " (picture_display_extension)\n");
-}
-
-static void stats_picture_coding_extension (uint8_t * buffer)
-{
- static char * picture_structure_str[4] = {
- "Invalid Picture Structure",
- "Top field",
- "Bottom field",
- "Frame Picture"
- };
-
- int f_code[2][2];
- int intra_dc_precision;
- int picture_structure;
- int top_field_first;
- int frame_pred_frame_dct;
- int concealment_motion_vectors;
- int q_scale_type;
- int intra_vlc_format;
- int alternate_scan;
- int repeat_first_field;
- int progressive_frame;
-
- f_code[0][0] = buffer[0] & 15;
- f_code[0][1] = buffer[1] >> 4;
- f_code[1][0] = buffer[1] & 15;
- f_code[1][1] = buffer[2] >> 4;
- intra_dc_precision = (buffer[2] >> 2) & 3;
- picture_structure = buffer[2] & 3;
- top_field_first = buffer[3] >> 7;
- frame_pred_frame_dct = (buffer[3] >> 6) & 1;
- concealment_motion_vectors = (buffer[3] >> 5) & 1;
- q_scale_type = (buffer[3] >> 4) & 1;
- intra_vlc_format = (buffer[3] >> 3) & 1;
- alternate_scan = (buffer[3] >> 2) & 1;
- repeat_first_field = (buffer[3] >> 1) & 1;
- progressive_frame = buffer[4] >> 7;
-
- fprintf (stderr,
- " (pic_ext) %s\n", picture_structure_str [picture_structure]);
- fprintf (stderr,
- " (pic_ext) forward horizontal f_code % d, forward vertical f_code % d\n",
- f_code[0][0], f_code[0][1]);
- fprintf (stderr,
- " (pic_ext) backward horizontal f_code % d, backward vertical f_code % d\n",
- f_code[1][0], f_code[1][1]);
- fprintf (stderr,
- " (pic_ext) intra_dc_precision %d, top_field_first %d, frame_pred_frame_dct %d\n",
- intra_dc_precision, top_field_first, frame_pred_frame_dct);
- fprintf (stderr,
- " (pic_ext) concealment_motion_vectors %d, q_scale_type %d, intra_vlc_format %d\n",
- concealment_motion_vectors, q_scale_type, intra_vlc_format);
- fprintf (stderr,
- " (pic_ext) alternate_scan %d, repeat_first_field %d, progressive_frame %d\n",
- alternate_scan, repeat_first_field, progressive_frame);
-}
-
-void stats_header (uint8_t code, uint8_t * buffer)
-{
- if (! (debug_is_on ()))
- return;
-
- switch (code) {
- case 0x00:
- stats_picture (buffer);
- break;
- case 0xb2:
- stats_user_data (buffer);
- break;
- case 0xb3:
- stats_sequence (buffer);
- break;
- case 0xb4:
- stats_sequence_error (buffer);
- break;
- case 0xb5:
- switch (buffer[0] >> 4) {
- case 1:
- stats_sequence_extension (buffer);
- break;
- case 2:
- stats_sequence_display_extension (buffer);
- break;
- case 3:
- stats_quant_matrix_extension (buffer);
- break;
- case 4:
- stats_copyright_extension (buffer);
- break;
- case 5:
- stats_sequence_scalable_extension (buffer);
- break;
- case 7:
- stats_picture_display_extension (buffer);
- break;
- case 8:
- stats_picture_coding_extension (buffer);
- break;
- default:
- fprintf (stderr, " (unknown extension %#x)\n", buffer[0] >> 4);
- }
- break;
- case 0xb7:
- stats_sequence_end (buffer);
- break;
- case 0xb8:
- stats_group (buffer);
- break;
- default:
- if (code < 0xb0)
- stats_slice (code, buffer);
- else
- fprintf (stderr, " (unknown start code %#02x)\n", code);
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-13 23:42:28 +0000