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-rw-r--r--xine_post_autocrop.c1633
1 files changed, 0 insertions, 1633 deletions
diff --git a/xine_post_autocrop.c b/xine_post_autocrop.c
deleted file mode 100644
index 8ebff773..00000000
--- a/xine_post_autocrop.c
+++ /dev/null
@@ -1,1633 +0,0 @@
-/*
- * xine_post_autocrop.c: xine post plugin
- *
- * See the main source file 'xineliboutput.c' for copyright information and
- * how to reach the author.
- *
- * $Id: xine_post_autocrop.c,v 1.19 2009-10-16 20:06:29 phintuka Exp $
- *
- */
-
-/*
- * Copyright (C) 2006 the xine project
- *
- * This file is part of xine, a free video player.
- *
- * xine 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.
- *
- * xine 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
- *
- *
- * autocrop video filter by Petri Hintukainen 25/03/2006
- *
- * Automatically crop 4:3 letterbox frames to 16:9
- *
- * based on expand.c
- *
- *
- * TODO:
- * - more reliable border detection, including channel logo detection
- * - OSD re-positioning (?)
- *
- */
-
-
-#include <stdint.h>
-
-#include <xine/xine_internal.h>
-#include <xine/post.h>
-
-
-/*
- * Configuration
- */
-
-/*#define USE_CROP / * Crop frame in video_out instead of copying */
-/*#define MARK_FRAME Draw markers on detected boundaries */
-/*#define ENABLE_64BIT 1 Force using of 64-bit routines */
-/*#undef __MMX__ Disable MMX */
-/*#undef __SSE__ Disable SSE */
-/*#define FILTER2 Tighter Y-filter */
-
-/*#define TRACE printf*/
-#define TRACE(x...) do {} while(0)
-/*#define TRACE2 printf*/
-#define TRACE2(x...) do {} while(0)
-/*#define INFO printf*/
-#define INFO(x...) do {} while(0)
-
-#define START_TIMER_INIT (25) /* 1 second, unit: frames */
-#define HEIGHT_LIMIT_LIFETIME (60*25) /* 1 minute, unit: frames */
-
-#define LOGOSKIP (frame->width/4) /* skip logo (Y, top-left or top-right quarter) */
-
-/*
- * Plugin
- */
-
-typedef struct autocrop_parameters_s {
- int enable_autodetect;
- int enable_subs_detect;
- int soft_start;
- int stabilize;
-} autocrop_parameters_t;
-
-START_PARAM_DESCR(autocrop_parameters_t)
-PARAM_ITEM(POST_PARAM_TYPE_BOOL, enable_autodetect, NULL, 0, 1, 0,
- "enable automatic border detecton")
-PARAM_ITEM(POST_PARAM_TYPE_BOOL, enable_subs_detect, NULL, 0, 1, 0,
- "enable automatic subtitle detecton")
-PARAM_ITEM(POST_PARAM_TYPE_BOOL, soft_start, NULL, 0, 1, 0,
- "enable soft start of cropping")
-PARAM_ITEM(POST_PARAM_TYPE_BOOL, stabilize, NULL, 0, 1, 0,
- "stabilize cropping to 14:9, 16:9, (16:9+subs), 20:9, (20:9+subs)")
-END_PARAM_DESCR(autocrop_param_descr)
-
-
-typedef struct autocrop_post_plugin_s
-{
- post_plugin_t post_plugin;
-
- xine_post_in_t parameter_input;
-
- /* setup */
- int autodetect;
- int subs_detect;
- int soft_start;
- int stabilize;
-
- /* Current cropping status */
- int cropping_active;
-
- /* Detected bars */
- int start_line;
- int end_line;
- int crop_total;
-
- /* Previously detected bars
- - eliminate jumping if there is some noise at bar boundaries:
- don't change cropped area unless it has been stable for
- some time */
- int prev_start_line;
- int prev_end_line;
-
- /* Delayed start for cropping */
- int start_timer;
- int stabilize_timer;
-
- /* Last seen frame */
- int prev_height;
- int prev_width;
- int64_t prev_pts;
-
- /* eliminate jumping when when there are subtitles inside bottom bar:
- - when cropping is active and one frame has larger end_line
- than previous, we enlarge frame.
- - after this, cropping is not resetted to previous value unless
- bottom bar has been empty for certain time */
- int height_limit_active; /* true if detected possible subtitles in bottom area */
- int height_limit; /* do not crop bottom above this value (bottom of subtitles) */
- int height_limit_timer; /* counter how many following frames must have black
- bottom bar until returning to full cropping
- (used to reset height_limit when there are no subtitles) */
-
- int has_driver_crop; /* true if driver has cropping capability */
- int has_unscaled_overlay; /* true if driver has unscaled overlay capability */
-
-} autocrop_post_plugin_t;
-
-
-# if defined(__SSE__)
-# warning Compiling with SSE support
-# include <xmmintrin.h>
-# elif defined(__MMX__)
-# warning Compiling with MMX support
-# include <mmintrin.h>
-# endif
-
-#if defined(__WORDSIZE)
-# if __WORDSIZE == 64
-# warning Compiling with 64-bit integer support
-# define ENABLE_64BIT (sizeof(int) > 32)
-# endif
-#endif
-
-/*
- * Constants
- */
-
-#define YNOISEFILTER (0xE0U)
-#define YSHIFTUP (0x05U)
-#define UVBLACK (0x80U)
-#define UVSHIFTUP (0x03U)
-#define UVNOISEFILTER (0xF8U)
-
-/* YV12 */
-#define YNOISEFILTER32 (YNOISEFILTER * 0x01010101U)
-#define YSHIFTUP32 (YSHIFTUP * 0x01010101U)
-#define UVBLACK32 (UVBLACK * 0x01010101U)
-#define UVSHIFTUP32 (UVSHIFTUP * 0x01010101U)
-#define UVNOISEFILTER32 (UVNOISEFILTER * 0x01010101U)
-
-#define YNOISEFILTER64 (YNOISEFILTER * UINT64_C(0x0101010101010101))
-#define YSHIFTUP64 (YSHIFTUP * UINT64_C(0x0101010101010101))
-#define UVBLACK64 (UVBLACK * UINT64_C(0x0101010101010101))
-#define UVSHIFTUP64 (UVSHIFTUP * UINT64_C(0x0101010101010101))
-#define UVNOISEFILTER64 (UVNOISEFILTER * UINT64_C(0x0101010101010101))
-
-/* YUY2 */
-/* TODO: should use normal/inverse order based on endianess */
-#if 0
-#define YUY2BLACK32 (UVBLACK * 0x00010001U)
-#define YUY2SHIFTUP32 (UVSHIFTUP * 0x00010001U)
-#define YUY2NOISEFILTER32 ((YNOISEFILTER * 0x01000100U)|(UVNOISEFILTER * 0x00010001U))
-#else
-#define YUY2BLACK32 (UVBLACK * 0x01000100U)
-#define YUY2SHIFTUP32 (UVSHIFTUP * 0x01000100U)
-#define YUY2NOISEFILTER32 ((YNOISEFILTER * 0x00010001U)|(UVNOISEFILTER * 0x01000100U))
-#endif
-
-#define YUY2BLACK64 (YUY2BLACK32 * UINT64_C(0x0000000100000001))
-#define YUY2SHIFTUP64 (YUY2SHIFTUP32 * UINT64_C(0x0000000100000001))
-#define YUY2NOISEFILTER64 (YUY2NOISEFILTER32 * UINT64_C(0x0000000100000001))
-
-#ifdef FILTER2
-/* tighter Y-filter: original black threshold is 0x1f ; here it is 0x1f - 0x0b = 0x14 */
-# define YUY2SHIFTUP32 ((UVSHIFTUP * 0x00010001U)|(YSHIFTUP * 0x01000100U))
-# undef __SSE__
-#endif
-
-
-/*
- * Black bar detection
- *
- * Detect black lines with simple noise filtering.
- * Line is "black" if Y-valus are less than 0x20 and
- * U/V values inside range 0x7d...0x84.
- * ~ 32 first and last pixels are not checked.
- *
- */
-
-static int blank_line_Y_C(uint8_t *data, int length);
-static int blank_line_UV_C(uint8_t *data, int length);
-static int blank_line_YUY2_C(uint8_t *data, int length);
-#if defined(ENABLE_64BIT)
-static int blank_line_Y_C64(uint8_t *data, int length);
-static int blank_line_UV_C64(uint8_t *data, int length);
-static int blank_line_YUY2_C64(uint8_t *data, int length);
-#endif
-#if defined(__MMX__)
-static int blank_line_Y_mmx(uint8_t *data, int length);
-static int blank_line_UV_mmx(uint8_t *data, int length);
-static int blank_line_YUY2_mmx(uint8_t *data, int length);
-#endif
-#if defined(__SSE__)
-static int blank_line_Y_sse(uint8_t *data, int length);
-static int blank_line_UV_sse(uint8_t *data, int length);
-static int blank_line_YUY2_sse(uint8_t *data, int length);
-#endif
-
-static int blank_line_Y_INIT(uint8_t *data, int length);
-static int blank_line_UV_INIT(uint8_t *data, int length);
-static int blank_line_YUY2_INIT(uint8_t *data, int length);
-
-static void autocrop_init_mm_accel(void);
-
-int (*blank_line_Y)(uint8_t *data, int length) = blank_line_Y_INIT;
-int (*blank_line_UV)(uint8_t *data, int length) = blank_line_UV_INIT;
-int (*blank_line_YUY2)(uint8_t *data, int length) = blank_line_YUY2_INIT;
-
-static int blank_line_Y_C(uint8_t *data, int length)
-{
- uint32_t *data32 = (uint32_t*)((((long int)data) + 32 + 3) & (~3)), r = 0;
-
- length -= 64; /* skip borders (2 x 32 pixels) */
- length /= 4; /* 4 bytes / loop */
-
-#ifdef FILTER2
- while(length) {
- /* shiftdown needs saturated unsigned element-wise substraction, available only in MMX ...*/
- /* -> use shiftup and looser noise filter for same result. */
- /* this needs special handling for large values */
- r = r | data32[--length]; /* this catches large values (0xf9 : 0xf9+0x7=0x100 === black) */
- r = r | (data32[length] + YSHIFTUP32); /* this catches small walues (0x1d...0x1f) */
- }
-#else
- while(length)
- r = r | data32[--length];
-#endif
-
- return !(r & YNOISEFILTER32);
-}
-
-static int blank_line_UV_C(uint8_t *data, int length)
-{
- uint32_t *data32 = (uint32_t*)((((long int)data) + 16 + 3) & (~3));
- uint32_t r1 = 0, r2 = 0;
-
- length -= 32; /* skip borders (2 x 32 pixels, 2 pix/byte) */
- length /= 4; /* 2 x 4 bytes / loop */
-
- while(length>0) {
- r1 = r1 | ((data32[--length] + UVSHIFTUP32) ^ UVBLACK32);
- r2 = r2 | ((data32[--length] + UVSHIFTUP32) ^ UVBLACK32);
- }
- return !((r1|r2) & (UVNOISEFILTER32));
-}
-
-#if defined(ENABLE_64BIT)
-static int blank_line_Y_C64(uint8_t *data, int length)
-{
- uint64_t *data64 = (uint64_t*)((((long int)data) + 32 + 7) & (~7)), r = 0;
-
- length -= 64; /* skip borders (2 x 32 pixels) */
- length /= 8; /* 8 bytes / loop */
-
-#ifdef FILTER2
- while(length) {
- r = r | data64[--length];
- r = r | (data64[length] + YSHIFTUP64);
- }
-#else
- while(length)
- r = r | data64[--length];
-#endif
-
- return !(r & YNOISEFILTER64);
-}
-#endif
-
-#if defined(ENABLE_64BIT)
-static int blank_line_UV_C64(uint8_t *data, int length)
-{
- uint64_t *data64 = (uint64_t*)((((long int)data) + 16 + 7) & (~7));
- uint64_t r1 = UINT64_C(0), r2 = UINT64_C(0);
-
- length -= 32; /* skip borders (2x32 pixels, 2 pix/byte) */
- length /= 8; /* 2 x 8 bytes / loop */
-
- while(length>0) {
- r1 = r1 | ((data64[--length] + UVSHIFTUP64) ^ UVBLACK64);
- r2 = r2 | ((data64[--length] + UVSHIFTUP64) ^ UVBLACK64);
- }
- return !((r1|r2) & (UVNOISEFILTER64));
-}
-#endif
-
-
-#if defined(__MMX__)
-typedef union {
- uint32_t u32[2];
- __m64 m64;
-} __attribute__((__aligned__ (8))) __m64_wrapper;
-#endif
-
-#if defined(__MMX__)
- int blank_line_Y_mmx(uint8_t *data, int length)
-{
-#ifdef FILTER2
- static const __m64_wrapper mask = {{YNOISEFILTER32, YNOISEFILTER32}};
- static const __m64_wrapper gshift = {{YSHIFTUP32, YSHIFTUP32}};
- register __m64 sum, sum2, shift = gshift.m64, val;
-#else
- static const __m64_wrapper mask = {{YNOISEFILTER32, YNOISEFILTER32}};
- register __m64 sum;
-#endif
- __m64 *data64 = (__m64*)(((long int)(data + 32 + 7)) & (~7));
-
- /*sum = _m_pxor(sum,sum);*/
- __asm__("pxor %0,%0" : "=y"(sum));
-
- length -= 64; /* skip borders (2 x 32 pixels) */
- length /= 8; /* 8 bytes / loop */
-
-#ifdef FILTER2
- __asm__("pxor %0,%0" : "=y"(sum2));
- while(length) {
- val = data64[--length];
- sum = _m_por(sum, val);
- sum2 = _m_por(sum2, _m_paddb(val, shift));
- }
- sum = _m_por(sum, sum2);
-#else
- while(length)
- sum = _m_por(sum, data64[--length]);
-#endif
-
- sum = _m_pand(sum, mask.m64);
- return 0 == _m_to_int(_m_packsswb(sum, sum));
-}
-#endif
-
-#if defined(__MMX__)
-static int blank_line_UV_mmx(uint8_t *data, int length)
-{
- static const __m64_wrapper gm_03 = {{UVSHIFTUP32, UVSHIFTUP32}};
- static const __m64_wrapper gm_f8 = {{UVNOISEFILTER32, UVNOISEFILTER32}};
- static const __m64_wrapper gm_80 = {{UVBLACK32, UVBLACK32}};
- __m64 *data64 = (__m64*)(((long int)(data) + 16 + 7) & (~7));
- register __m64 sum1, sum2, m_03, /*m_f8,*/ m_80;
-
- /*sum1 = _m_pxor(sum1, sum1); sum1 = _mm_setzero_si64(); */
- /*sum2 = _m_pxor(sum2, sum2); sum2 = _mm_setzero_si64(); */
- __asm__("pxor %0,%0" : "=y"(sum1));
- __asm__("pxor %0,%0" : "=y"(sum2));
-
- /* fetch static data to MMX registers */
- m_03 = gm_03.m64;
- /*m_f8 = gm_f8.m64;*/
- m_80 = gm_80.m64;
-
- length -= 32; /* skip borders (2 x 32 pixels, 2pix/byte) */
- length /= 8; /* 8 bytes / vector */
-
- do {
- /* process two 8-byte vectors */
- sum1 = _m_por(sum1,
- /* grab every byte that is not black (x ^ 0x80 != 0) */
- _m_pxor(
- /* filter noise: U/V of each "black" pixel should be 0x7d..0x84
- -> each black pixel should be 0x80 after (x+3) & 0xf8 */
- /*_m_pand(*/
- /* each black pixel should be 0x80..0x87 after adding 3 */
- _m_paddb(
- data64[length-1],
- m_03)/*,
- m_f8)*/,
- m_80));
- sum2 = _m_por(sum2,
- _m_pxor(
- /*_m_pand( */
- _m_paddb(
- data64[length-2],
- m_03)/*,
- m_f8)*/,
- m_80));
- length -= 2;
- } while(length>0);
-
- /* combine two result vectors (or), filter noise (and) */
- sum1 = _m_pand(_m_por(sum1,
- sum2),
- gm_f8.m64);
- /* result vector of black line is 0 */
- return 0 == _m_to_int(_m_packsswb(sum1, sum1));
-}
-#endif
-
-#if defined(__SSE__)
-typedef union {
- uint32_t u32[4];
- __m128 m128;
-} __attribute((__aligned__ (16))) __m128_wrapper;
-#endif
-
-#if defined(__SSE__)
-static int blank_line_Y_sse(uint8_t *data, int length)
-{
- static const __m128_wrapper gmask = {{YNOISEFILTER32, YNOISEFILTER32,
- YNOISEFILTER32, YNOISEFILTER32}};
- __m128 *data128 = (__m128*)(((long int)(data) + 32 + 15) & (~15));
- register __m128 sum1, sum2, zero, mask;
-
- length -= 64; /* skip borders (2 x 32 pixels) */
- length /= 16; /* 16 bytes / loop */
-
- /* Start prefetching data to CPU cache */
- _mm_prefetch(data128+length-1, _MM_HINT_NTA);
- _mm_prefetch(data128+length-3, _MM_HINT_NTA);
-
- /*
- * Process in two paraller loops, one 16 byte vector / each sub-loop
- * - grabs bytes with value larger than treshold
- */
-
- zero = _mm_setzero_ps();
- mask = gmask.m128;
- sum1 = zero;
- sum2 = zero;
-
- do {
- _mm_prefetch(data128+length-5, _MM_HINT_NTA);
- sum1 = _mm_or_ps(sum1, data128[--length]);
- sum2 = _mm_or_ps(sum2, data128[--length]);
- } while(length>0);
-
- return 0x0f == _mm_movemask_ps(_mm_cmpeq_ps(_mm_and_ps(_mm_or_ps(sum1,
- sum2),
- gmask.m128),
- _mm_setzero_ps()));
-}
-#endif
-
-#if defined(__SSE__)
-static int blank_line_UV_sse(uint8_t *data, int length)
-{
- uint8_t *top = data + length - 1;
- do {
- _mm_prefetch(top, _MM_HINT_NTA);
- _mm_prefetch(top-32, _MM_HINT_NTA);
- _mm_prefetch(top-64, _MM_HINT_NTA);
- _mm_prefetch(top-72, _MM_HINT_NTA);
- top -= 128;
- } while(top >= data);
-
- return blank_line_UV_mmx(data, length);
-}
-#endif
-
-static int blank_line_YUY2_C(uint8_t *data, int length)
-{
- uint32_t *data32 = (uint32_t*)((((long int)data) + 64 + 3) & (~3));
- uint32_t r1 = 0, r2 = 0;
-
- length -= 128; /* skip borders (2 x 32 pixels, 2 bytes/pixel) */
- length /= 4; /* 2 x 4 bytes / loop */
-
- while(length) {
- r1 = r1 | ((data32[--length] + YUY2SHIFTUP32) ^ YUY2BLACK32);
- r2 = r2 | ((data32[--length] + YUY2SHIFTUP32) ^ YUY2BLACK32);
- }
- return !((r1|r2) & YUY2NOISEFILTER32);
-}
-
-#if defined(ENABLE_64BIT)
-static int blank_line_YUY2_C64(uint8_t *data, int length)
-{
- uint64_t *data64 = (uint64_t*)((((long int)data) + 64 + 7) & (~7));
- uint64_t r1 = 0, r2 = 0;
-
- length -= 128; /* skip borders (2 x 32 pixels, 2 bytes/pixel) */
- length /= 8; /* 2 x 8 bytes / loop */
-
- while(length) {
- r1 = r1 | ((data64[--length] + YUY2SHIFTUP64) ^ YUY2BLACK64);
- r2 = r2 | ((data64[--length] + YUY2SHIFTUP64) ^ YUY2BLACK64);
- }
- return !((r1|r2) & YUY2NOISEFILTER64);
-}
-#endif
-
-#if defined(__MMX__)
-static int blank_line_YUY2_mmx(uint8_t *data, int length)
-{
- /* not implemented */
-
-# if !defined(ENABLE_64BIT)
- return blank_line_YUY2_C(data, length);
-# else
- return blank_line_YUY2_C64(data, length);
-# endif
-}
-#endif
-
-#if defined(__SSE__)
-static int blank_line_YUY2_sse(uint8_t *data, int length)
-{
- uint8_t *top = data + length - 1;
- do {
- _mm_prefetch(top, _MM_HINT_NTA);
- _mm_prefetch(top-32, _MM_HINT_NTA);
- _mm_prefetch(top-64, _MM_HINT_NTA);
- _mm_prefetch(top-72, _MM_HINT_NTA);
- top -= 128;
- } while(top >= data);
-
- return blank_line_YUY2_mmx(data, length);
-}
-#endif
-
-static void autocrop_init_mm_accel(void)
-{
- blank_line_Y = blank_line_Y_C;
- blank_line_UV = blank_line_UV_C;
- blank_line_YUY2 = blank_line_YUY2_C;
-
-#if defined(__SSE__)
- if(xine_mm_accel() & MM_ACCEL_X86_SSE) {
- INFO("autocrop_init_mm_accel: using SSE\n");
- blank_line_Y = blank_line_Y_sse;
- blank_line_UV = blank_line_UV_sse;
- blank_line_YUY2 = blank_line_YUY2_sse;
- return;
- }
-#endif
-#if defined(ENABLE_64BIT)
- if(ENABLE_64BIT) {
- INFO("autocrop_init_mm_accel: using 64-bit integer operations\n");
- blank_line_Y = blank_line_Y_C64;
- blank_line_UV = blank_line_UV_C64;
- blank_line_YUY2 = blank_line_YUY2_C64;
- return;
- }
-#endif
-#if defined(__MMX__)
- if(xine_mm_accel() & MM_ACCEL_X86_MMX) {
- /* mmx not faster than normal x64 (?) */
- INFO("autocrop_init_mm_accel: using MMX\n");
- blank_line_Y = blank_line_Y_mmx;
- blank_line_UV = blank_line_UV_mmx;
- blank_line_YUY2 = blank_line_YUY2_mmx;
- return;
- }
-#endif
- INFO("autocrop_init_mm_accel: no compatible acceleration methods found\n");
-}
-
-static int blank_line_Y_INIT(uint8_t *data, int length)
-{
- autocrop_init_mm_accel();
- return (*blank_line_Y)(data, length);
-}
-
-static int blank_line_UV_INIT(uint8_t *data, int length)
-{
- autocrop_init_mm_accel();
- return (*blank_line_UV)(data, length);
-}
-
-static int blank_line_YUY2_INIT(uint8_t *data, int length)
-{
- autocrop_init_mm_accel();
- return (*blank_line_YUY2)(data, length);
-}
-
-/*
- * Analyze frame
- * - if frame needs cropping set crop_top & crop_bottom
- */
-
-#ifdef MARK_FRAME
-int dbg_top=0, dbg_bottom=0;
-#endif
-
-static int analyze_frame_yv12(vo_frame_t *frame, int *crop_top, int *crop_bottom)
-{
- int y;
- int ypitch = frame->pitches[0];
- int upitch = frame->pitches[1];
- int vpitch = frame->pitches[2];
- uint8_t *ydata = frame->base[0];
- uint8_t *udata = frame->base[1];
- uint8_t *vdata = frame->base[2];
- int max_crop = (frame->height / 4) / 2; /* 4:3 --> 16:9 */
-
- /* from top -> down */
- ydata += 8 * ypitch; /* skip 8 first lines */
- udata += 4 * upitch;
- vdata += 4 * vpitch;
- for(y = 8; y <= max_crop *2 /* *2 = 20:9+subs -> 16:9 */ ; y += 2) {
- if( ! ( blank_line_UV(udata, (frame->width-LOGOSKIP)/2) ||
- blank_line_UV(udata+LOGOSKIP/2, (frame->width-LOGOSKIP)/2) ) ||
- ! ( blank_line_UV(vdata, (frame->width-LOGOSKIP)/2) ||
- blank_line_UV(vdata+LOGOSKIP/2, (frame->width-LOGOSKIP)/2) ) ||
- ! ( blank_line_Y( ydata, (frame->width-LOGOSKIP) ) ||
- blank_line_Y( ydata+LOGOSKIP, (frame->width-LOGOSKIP) ) ) ||
- ! ( blank_line_Y( ydata+ypitch, (frame->width-LOGOSKIP) ) ||
- blank_line_Y( ydata+ypitch+LOGOSKIP,(frame->width-LOGOSKIP) ) )) {
- break;
- } else {
- ydata += 2 * ypitch;
- udata += upitch;
- vdata += vpitch;
- }
- }
- *crop_top = y>8 ? y : 0;
-
- /* from bottom -> up */
- ydata = frame->base[0] + ((frame->height-4) -1 ) * ypitch;
- udata = frame->base[1] + ((frame->height-4)/2 -1 ) * upitch;
- vdata = frame->base[2] + ((frame->height-4)/2 -1 ) * vpitch;
- for(y = frame->height - 5; y >= frame->height-max_crop; y -=2 ) {
- if( ! blank_line_Y(ydata, frame->width) ||
- ! blank_line_Y(ydata-ypitch, frame->width) ||
- ! blank_line_UV(udata, frame->width/2) ||
- ! blank_line_UV(vdata, frame->width/2)) {
- break;
- } else {
- ydata -= 2*ypitch;
- udata -= upitch;
- vdata -= vpitch;
- }
- }
- *crop_bottom = y;
-
- /* test for black in center - don't crop if frame is empty */
- if(*crop_top >= max_crop*2 && *crop_bottom <= frame->height-max_crop) {
- ydata = frame->base[0] + (frame->height/2)*ypitch;
- udata = frame->base[1] + (frame->height/4)*upitch;
- vdata = frame->base[2] + (frame->height/4)*vpitch;
- if( blank_line_Y(ydata, frame->width) &&
- blank_line_Y(ydata-ypitch, frame->width) &&
- blank_line_UV(udata, frame->width/2) &&
- blank_line_UV(vdata, frame->width/2)) {
- TRACE("not cropping black frame\n");
- return 0;
- }
- }
- return 1;
-}
-
-static int analyze_frame_yuy2(vo_frame_t *frame, int *crop_top, int *crop_bottom)
-{
- int y;
- int pitch = frame->pitches[0];
- uint8_t *data = frame->base[0];
- int max_crop = (frame->height / 4) / 2; /* 4:3 --> 16:9 */
-
- /* from top -> down */
- data += 6 * pitch; /* skip 6 first lines */
- for(y = 6; y <= max_crop *2 /* *2 = 20:9+subs -> 16:9 */ ; y ++)
- if( ! ( blank_line_YUY2(data, (frame->width-LOGOSKIP)*2) ||
- blank_line_YUY2(data+2*LOGOSKIP, (frame->width-LOGOSKIP)*2)))
- break;
- else
- data += pitch;
-
- *crop_top = y;
-
- /* from bottom -> up */
- data = frame->base[0] + ((frame->height-4) -1 ) * pitch;
- for(y = frame->height - 5; y >= frame->height-max_crop; y -- )
- if( ! blank_line_YUY2(data, frame->width * 2))
- break;
- else
- data -= pitch;
-
- *crop_bottom = y;
-
- /* test for black in center - don't crop if frame is empty */
- if(*crop_top >= max_crop*2 && *crop_bottom <= frame->height-max_crop) {
- data = frame->base[0] + (frame->height/2)*pitch;
- if( blank_line_YUY2(data, frame->width * 2)) {
- TRACE("not cropping black frame\n");
- return 0;
- }
- }
-
- return 1;
-}
-
-static void analyze_frame(vo_frame_t *frame, int *crop_top, int *crop_bottom)
-{
- post_video_port_t *port = (post_video_port_t *)frame->port;
- autocrop_post_plugin_t *this = (autocrop_post_plugin_t *)port->post;
- int start_line, end_line;
- int result = 0;
-
- if(frame->format == XINE_IMGFMT_YV12)
- result = analyze_frame_yv12(frame, &start_line, &end_line);
- else if(frame->format == XINE_IMGFMT_YUY2)
- result = analyze_frame_yuy2(frame, &start_line, &end_line);
-
-#if defined(__MMX__)
- _mm_empty();
-#endif
-
- /* Ignore empty frames */
- if(!result) {
- TRACE2("not cropping black frame\n");
- return;
- }
-
-#ifdef MARK_FRAME
- dbg_top = start_line; dbg_bottom = end_line;
-#endif
-
- if(this->stabilize) {
- int bottom = frame->height - end_line;
- int wide = 0;
-
- /* bottom bar size */
- if(bottom < frame->height/32) {
- TRACE2("bottom: %d -> 4:3 ", end_line);
- end_line = frame->height - 1; /* no cropping */
- } else if(bottom < frame->height*3/32) {
- TRACE2("bottom: %d -> 14:9 (%d) ", end_line, frame->height * 15 / 16 - 1);
- end_line = frame->height * 15 / 16 - 1; /* 14:9 */
- } else if(bottom < frame->height*3/16) {
- TRACE2("bottom: %d -> 16:9 (%d) ", end_line, frame->height * 7 / 8 - 1);
- end_line = frame->height * 7 / 8 - 1; /* 16:9 */
- wide = 1;
- } else {
- TRACE2("bottom: %d -> 20:9 (%d) ", end_line, frame->height * 3 / 4 - 1);
- end_line = frame->height * 3 / 4 - 1; /* 20:9 */
- wide = 2;
- }
-
- /* top bar size */
- if(start_line < frame->height/32) {
- TRACE2("top: %3d -> 4:3 \n", start_line);
- start_line = 0; /* no cropping */
- } else if(start_line < frame->height*3/32) {
- TRACE2("top: %3d -> 14:9 (%d)\n", start_line, frame->height / 16);
- start_line = frame->height / 16; /* 14:9 */
- } else if(start_line < frame->height*3/16 || wide) {
- TRACE2("top: %3d -> 16:9 (%d)\n", start_line, frame->height / 8);
- start_line = frame->height / 8; /* 16:9 */
- } else {
- TRACE2("top: %3d -> 20:9 (%d)\n", start_line, frame->height / 4);
- start_line = frame->height / 4; /* 20:9 */
- wide++;
- }
- switch(wide) {
- case 3: start_line -= frame->height / 8;
- if(start_line < 0)
- start_line = 0;
- TRACE2(" wide -> center top\n");
- case 2: end_line += frame->height / 8;
- if(end_line >= frame->height)
- end_line = frame->height-1;
- TRACE2(" wide -> center bottom\n");
- }
-
- } else {
-
- if(start_line > (frame->height/8 *2)) /* *2 --> 20:9 -> 16:9 + subtitles */
- start_line = frame->height/8 *2 ;
- if(end_line < (frame->height*7/8))
- end_line = frame->height*7/8;
-
- if(start_line > (frame->height/8)) {
- /* if wider than 16:9, prefer cropping top if subtitles are inside bottom bar */
- if(start_line + (frame->height - end_line) > frame->height/4) {
- int diff = start_line + (frame->height - end_line) - frame->height/4;
- diff &= ~1;
- TRACE2("balance: %d,%d -> %d,%d\n",
- start_line, end_line,
- start_line, end_line + diff);
-#if 0
- /* this moves image to top (crop only top) */
- end_line += diff;
-#endif
-#if 0
- /* this moves image to center */
- /* may cause problems with subtitles ... */
- start_line -= diff;
-#endif
-#if 1
- /* this moves image to center when there are no
- detected subtitles inside bottom bar */
- if(this->height_limit_active) {
- int reserved = this->height_limit - end_line;
- if(reserved>0) {
- end_line += reserved;
- diff -= reserved;
- }
- }
- start_line -= diff;
-#endif
-#if 0
- /* do nothing - image will be centered in video out.
- - problems with subtitles using unscaled OSD */
-#endif
- }
- }
-
- /* stay inside frame and forget very small bars */
- if(start_line <= 8)
- start_line = 0;
- if(end_line >= (frame->height-6))
- end_line = frame->height;
-
- if(start_line < frame->height/12 || end_line > frame->height*11/12) {
- /* Small bars -> crop only detected borders */
- if(start_line || end_line < frame->height-1) {
- TRACE2("Small bars -> <16:9 : start_line = %d end_line = %d (%s%d t%d)\n",
- start_line, end_line,
- this->height_limit_active ? "height limit " : "",
- this->height_limit,
- this->height_limit_active ? this->height_limit_timer : 0);
- }
- } else {
- /* Large bars -> crop to 16:9 */
- TRACE2("Large bars -> 16:9 : start_line = %d end_line = %d (%s%d t%d)\n",
- start_line, end_line,
- this->height_limit_active ? "height limit " : "",
- this->height_limit,
- this->height_limit_active ? this->height_limit_timer : 0);
- if(start_line < frame->height / 8)
- start_line = frame->height / 8;
- if(end_line < frame->height * 7 / 8)
- end_line = frame->height * 7 / 8;
- }
- }
-
- /* adjust start and stop to even lines */
- (*crop_top) = (start_line) & (~1);
- (*crop_bottom) = (end_line + 1) & (~1);
-}
-
-#ifdef MARK_FRAME
-static void mark_frame_yv12(autocrop_post_plugin_t *this,
- vo_frame_t *frame, int *crop_top, int *crop_bottom)
-{
- int ypitch = frame->pitches[0];
- int upitch = frame->pitches[1];
- int vpitch = frame->pitches[2];
- uint8_t *ydata = frame->base[0];
- uint8_t *udata = frame->base[1];
- uint8_t *vdata = frame->base[2];
-
- /* draw markers to detected boundaries and expected boundaries */
- if(*crop_top > 4 && *crop_top < 200) {
- ydata = frame->base[0] + ((*crop_top)-2)*ypitch;
- udata = frame->base[1] + ((*crop_top)/2 -1)*upitch;
- memset(ydata, 0xff, frame->width/10);
- memset(ydata+ypitch, 0xff, frame->width/10);
- memset(udata, 0xff, frame->width/2/10);
-
- if(dbg_top < *crop_top) dbg_top = *crop_top;
- ydata = frame->base[0] + ((dbg_top - *crop_top))*ypitch;
- udata = frame->base[1] + ((dbg_top - *crop_top)/2)*upitch;
- memset(ydata, 0x80, frame->width/2);
- memset(ydata+ypitch, 0x80, frame->width/2);
- memset(udata, 0xff, frame->width/2/2);
- }
- if(*crop_bottom > 300) {
- if(*crop_bottom < frame->height - 2) {
- ydata = frame->base[0] + (*crop_bottom + 2)*ypitch;
- udata = frame->base[1] + ((*crop_bottom)/2)*upitch;
- memset(ydata, 0xff, frame->width);
- memset(ydata+ypitch, 0xff, frame->width);
- memset(udata, 0xff, frame->width/2);
- }
- if(dbg_bottom - *crop_top - 2 < frame->height) {
- ydata = frame->base[0] + (dbg_bottom - *crop_top - 2)*ypitch;
- udata = frame->base[1] + (dbg_bottom - *crop_top - 2)/2*upitch;
- memset(ydata, 0x80, frame->width/2);
- memset(ydata+ypitch, 0xff, frame->width/2);
- memset(udata, 0xff, frame->width/2/2);
- }
- }
- if(frame->height > 500) {
- /* TODO: use frame height instead of assuming 576 ... -> 72 */
- vdata = frame->base[2] + ((72-*crop_top)/2)*vpitch;
-vdata = frame->base[2] + (72/2)*vpitch;
- memset(vdata, 0xff, frame->width/2);
- vdata = frame->base[2] + ((frame->height-72+(576-*crop_bottom))/2)*vpitch;
-vdata = frame->base[2] + ((frame->height-72)/2)*vpitch;
- memset(vdata, 0xff, frame->width/2);
- }
-}
-#endif
-
-/*
- * crop frame by copying
- */
-#ifndef USE_CROP
-static int crop_copy_yv12(vo_frame_t *frame, xine_stream_t *stream)
-{
- post_video_port_t *port = (post_video_port_t *)frame->port;
- autocrop_post_plugin_t *this = (autocrop_post_plugin_t *)port->post;
- vo_frame_t *new_frame;
-
- int y, result;
- int yp = frame->pitches[0], yp2;
- int up = frame->pitches[1], up2;
- int vp = frame->pitches[2], vp2;
- uint8_t *ydata = frame->base[0], *ydata2;
- uint8_t *udata = frame->base[1], *udata2;
- uint8_t *vdata = frame->base[2], *vdata2;
-
- int new_height;
- double new_ratio;
-
- int start_line = this->start_line;
- int end_line = this->end_line;
- start_line &= ~1;
- end_line = (end_line + 1) & ~1;
-
- /* top bar */
- ydata += start_line * yp;
- udata += (start_line/2) * up;
- vdata += (start_line/2) * vp;
-
- new_height = end_line - start_line;
- new_ratio = 12.0/9.0 * ((double)frame->height / (double)new_height);
-
- new_frame = port->original_port->get_frame(port->original_port,
- frame->width, new_height,
- new_ratio, frame->format,
- frame->flags | VO_BOTH_FIELDS);
-
- /* ??? */
- frame->ratio = new_frame->ratio;
-
- _x_post_frame_copy_down(frame, new_frame);
-
- yp2 = new_frame->pitches[0];
- up2 = new_frame->pitches[1];
- vp2 = new_frame->pitches[2];
- ydata2 = new_frame->base[0];
- udata2 = new_frame->base[1];
- vdata2 = new_frame->base[2];
-
- /*
- TODO:
- save channel logo mask (from top)
- - no changes in 3 sec -> next time crop it out ...
- */
-
- for(y=0; y < new_height/2; y++) {
- xine_fast_memcpy(ydata2, ydata, frame->width);
- ydata += yp;
- ydata2 += yp2;
- xine_fast_memcpy(ydata2, ydata, frame->width);
- ydata += yp;
- ydata2 += yp2;
- xine_fast_memcpy(udata2, udata, frame->width/2);
- udata += up;
- udata2 += up2;
- xine_fast_memcpy(vdata2, vdata, frame->width/2);
- vdata += vp;
- vdata2 += vp2;
- }
-
-#ifdef MARK_FRAME
- mark_frame_yv12(this, new_frame, &this->start_line, &this->end_line);
-#endif
-
- result = new_frame->draw(new_frame, stream);
- _x_post_frame_copy_up(frame, new_frame);
- new_frame->free(new_frame);
-
- return result;
-}
-
-static int crop_copy_yuy2(vo_frame_t *frame, xine_stream_t *stream)
-{
- post_video_port_t *port = (post_video_port_t *)frame->port;
- autocrop_post_plugin_t *this = (autocrop_post_plugin_t *)port->post;
- vo_frame_t *new_frame;
-
- int y, result;
- int p = frame->pitches[0], p2;
- uint8_t *data = frame->base[0], *data2;
-
- int new_height;
- double new_ratio;
-
- int start_line = this->start_line;
- int end_line = this->end_line;
- start_line &= ~1;
- end_line = (end_line + 1) & ~1;
-
- /* top bar */
- data += start_line * p;
-
- new_height = end_line - start_line;
- new_ratio = 12.0/9.0 * ((double)frame->height / (double)new_height);
- new_frame = port->original_port->get_frame(port->original_port,
- frame->width, new_height,
- new_ratio, frame->format,
- frame->flags | VO_BOTH_FIELDS);
- /* ??? */
- frame->ratio = new_frame->ratio;
-
- _x_post_frame_copy_down(frame, new_frame);
-
- p2 = new_frame->pitches[0];
- data2 = new_frame->base[0];
-
- for(y=0; y < new_height; y++) {
- xine_fast_memcpy(data2, data, frame->width);
- data += p;
- data2 += p2;
- }
-
- result = new_frame->draw(new_frame, stream);
- _x_post_frame_copy_up(frame, new_frame);
- new_frame->free(new_frame);
-
- return result;
-}
-
-#endif
-
-/*
- * crop frame without copying
- */
-#ifdef USE_CROP
-static int crop_nocopy(vo_frame_t *frame, xine_stream_t *stream)
-{
- post_video_port_t *port = (post_video_port_t *)frame->port;
- autocrop_post_plugin_t *this = (autocrop_post_plugin_t *)port->post;
- int skip;
- double new_ratio = frame->ratio;
- int new_height;
-
- int start_line = this->start_line;
- int end_line = this->end_line;
- start_line &= ~1;
- end_line = (end_line + 1) & ~1;
-
- if(this->cropping_active) {
- frame->crop_top += start_line;
- frame->crop_bottom += (frame->height + 1 - this->end_line);
-
- TRACE("crop_nocopy: top ->%d bottom ->%d\n", frame->crop_top, frame->crop_bottom);
-
- new_height = end_line - start_line;
- new_ratio = 12.0/9.0 * ((double)frame->height / (double)new_height);
- }
-
- _x_post_frame_copy_down(frame, frame->next);
-
- /* ??? */
- frame->ratio = new_ratio;
-
- skip = frame->next->draw(frame->next, stream);
- TRACE("crop: top %d, bottom %d\n", frame->crop_top, frame->crop_bottom);
- _x_post_frame_copy_up(frame, frame->next);
-
- return skip;
-}
-#endif
-
-/*
- * Frame handling
- */
-
-static int autocrop_draw(vo_frame_t *frame, xine_stream_t *stream)
-{
- post_video_port_t *port = (post_video_port_t *)frame->port;
- autocrop_post_plugin_t *this = (autocrop_post_plugin_t *)port->post;
- int result;
- int detected_start, detected_end;
-
- if(!this->autodetect) {
- this->start_line = frame->height/8;
- this->end_line = frame->height*7/8;
- this->crop_total = frame->height/4;
-#ifdef USE_CROP
- return crop_nocopy(frame, stream);
-#else
- if(frame->format == XINE_IMGFMT_YV12)
- return crop_copy_yv12(frame, stream);
- else /*if(frame->format == XINE_IMGFMT_YUY2)*/
- return crop_copy_yuy2(frame, stream);
-#endif
- }
-
- /* use pts jumps to track stream changes (and seeks) */
- if(frame->pts > 0) {
- if(this->prev_pts>0) {
- int64_t dpts = frame->pts - this->prev_pts;
- if(dpts < INT64_C(-30*90000) || dpts > INT64_C(30*90000)) { /* 30 sec */
- if(this->height_limit_active) {
- this->height_limit_timer = START_TIMER_INIT;
- TRACE("short pts jump reseted height limit\n");
- }
- }
- if(dpts < INT64_C(-30*60*90000) || dpts > INT64_C(30*60*90000)) { /* 30 min */
- this->cropping_active = 0;
- TRACE("long pts jump reseted cropping\n");
- }
- }
- this->prev_pts = frame->pts;
- }
-
- /* reset ? */
- if(! this->cropping_active) {
- this->prev_start_line = 0;
- this->prev_end_line = frame->height;
- this->start_timer = START_TIMER_INIT;
- this->prev_pts = -1;
- if(this->height_limit_active) {
- TRACE("height limit reset (no cropping)");
- }
- this->height_limit_active = 0;
- this->height_limit = frame->height;
- }
-
- /* only 4:3 YV12 frames are cropped */
- if(frame->ratio != 4.0/3.0 || (frame->format != XINE_IMGFMT_YV12 &&
- frame->format != XINE_IMGFMT_YUY2)) {
- this->cropping_active = 0;
-
- } else if(frame->bad_frame) {
-
- /* check for letterbox borders only from I-frames */
- } else if(frame->picture_coding_type == 1/*XINE_PICT_I_TYPE*/) {
-
- analyze_frame(frame, &this->start_line, &this->end_line);
-
- /* ignore very small bars */
- if(this->start_line > 10 || this->end_line < frame->height - 10)
- this->cropping_active = 1;
- else
- this->cropping_active = 0;
-
- this->prev_height = frame->height;
- this->prev_width = frame->width;
-
- /* no change unless same values for several frames */
- if(this->stabilize &&
- (this->start_line != this->prev_start_line ||
- this->end_line != this->prev_end_line)) {
- if(this->stabilize_timer)
- this->stabilize_timer--;
- else
- this->stabilize_timer = 4;
- if(this->stabilize_timer) {
- TRACE("stabilize start_line: %d -> %d, end_line %d -> %d\n",
- this->start_line, this->prev_start_line,
- this->end_line, this->prev_end_line);
- this->start_line = this->prev_start_line;
- this->end_line = this->prev_end_line;
- }
- }
-
- } else {
- /* reset when format changes */
- if(frame->height != this->prev_height)
- this->cropping_active = 0;
- if(frame->width != this->prev_width)
- this->cropping_active = 0;
- }
-
- /* update timers */
- if(this->start_timer)
- this->start_timer--;
-
- if(this->height_limit_timer) {
- if (! --this->height_limit_timer) {
- this->height_limit_active = 0;
- this->height_limit = frame->height;
- TRACE("height limit timer expired");
- }
- }
-
- /* no cropping to be done ? */
- if (/*frame->bad_frame ||*/ !this->cropping_active || this->start_timer>0) {
- _x_post_frame_copy_down(frame, frame->next);
- result = frame->next->draw(frame->next, stream);
- _x_post_frame_copy_up(frame, frame->next);
- return result;
- }
-
- /* "soft start" and border stabilization */
- detected_start = this->start_line;
- detected_end = this->end_line;
- if(this->soft_start) {
- if(this->prev_start_line != this->start_line) {
- int diff = this->prev_start_line - this->start_line;
- if(diff < -4) diff = -4;
- else if(diff > 4) diff = 4;
- else diff = 0;
- this->start_line = this->prev_start_line - diff;
- }
- if(this->prev_end_line != this->end_line) {
- int diff = this->prev_end_line - this->end_line;
- if(diff < -4) diff = -4;
- else if(diff > 4) diff = 4;
- else diff = 0;
- this->end_line = this->prev_end_line - diff;
- }
- }
-
- /* handle fixed subtitles inside bottom bar */
- if(this->subs_detect) {
- if(abs(this->prev_start_line - this->start_line) > 5 ) {
- /* reset height limit if top bar changes */
- TRACE("height limit reset, top bar moved from %d -> %d\n",
- this->prev_start_line, this->start_line);
- this->height_limit_active = 0;
- this->height_limit = frame->height;
- this->height_limit_timer = 0;
- }
- if (this->end_line > this->prev_end_line) {
- if(!this->height_limit_active ||
- this->height_limit < this->end_line) {
- /* start or increase height limit */
- TRACE("height limit %d -> %d (%d secs)\n",
- this->height_limit, this->end_line,
- HEIGHT_LIMIT_LIFETIME/25);
- this->height_limit = this->end_line;
- this->height_limit_timer = HEIGHT_LIMIT_LIFETIME;
- this->height_limit_active = 1;
- }
- if(this->height_limit_active && this->height_limit_timer < HEIGHT_LIMIT_LIFETIME / 4) {
- /* keep heigh limit timer running */
- TRACE("height_limit_timer increment (still needed)\n");
- this->height_limit_timer = HEIGHT_LIMIT_LIFETIME / 2;
- }
- }
- }
-
- this->prev_start_line = this->start_line;
- this->prev_end_line = this->end_line;
-
- if(this->subs_detect) {
- if(this->height_limit_active) {
- /* apply height limit */
- if(this->end_line < this->height_limit)
- this->end_line = this->height_limit;
- } else {
- this->height_limit = frame->height;
- }
- }
-
- /*
- * do cropping
- * - using frame->crop_... does not seem to work with my xv and xine-lib-1.1.1.
- * - maybe cropping could be done by adjusting y/u/v data pointers
- * and height of frame ?
- * -> no time-consuming copying
- */
-#ifdef USE_CROP
- result = crop_nocopy(frame, stream);
-#else
- if(frame->format == XINE_IMGFMT_YV12)
- result = crop_copy_yv12(frame, stream);
- else /*if(frame->format == XINE_IMGFMT_YUY2)*/
- result = crop_copy_yuy2(frame, stream);
-#endif
- this->crop_total = this->start_line + frame->height - this->end_line;
-
- /* forget stabilized values */
- this->start_line = detected_start;
- this->end_line = detected_end;
-
- return result;
-}
-
-#ifdef USE_CROP
-static vo_frame_t *autocrop_get_frame(xine_video_port_t *port_gen,
- uint32_t width, uint32_t height,
- double ratio, int format, int flags)
-{
- post_video_port_t *port = (post_video_port_t *)port_gen;
- post_plugin_t *this_gen = port->post;
- autocrop_post_plugin_t *this = (autocrop_post_plugin_t *)this_gen;
- vo_frame_t *frame;
-
- _x_post_rewire(this_gen);
-
- if (ratio <= 0.0) {
- if(height > 1)
- ratio = (double)width / (double)height;
- }
-
- if (this->cropping_active &&
- ratio == 4.0/3.0 && (format == XINE_IMGFMT_YV12 ||
- format == XINE_IMGFMT_YUY2)) {
- int new_height = this->end_line+2 - this->start_line;
- double new_ratio = 12.0/9.0 * ((double)height / (double)new_height);
-
- frame = port->original_port->get_frame(port->original_port,
- width, height,
- new_ratio, format, flags);
- _x_post_inc_usage(port);
- frame = _x_post_intercept_video_frame(frame, port);
-
- frame->ratio = ratio;
- return frame;
- }
-
- return port->original_port->get_frame(port->original_port,
- width, height,
- ratio, format, flags);
-}
-#endif
-
-static int autocrop_intercept_frame(post_video_port_t *port, vo_frame_t *frame)
-{
- autocrop_post_plugin_t *this = (autocrop_post_plugin_t *)port->post;
-
- /* Crop only SDTV YV12 4:3 frames ... */
- int intercept = ((frame->format == XINE_IMGFMT_YV12 ||
- frame->format == XINE_IMGFMT_YUY2) &&
- frame->ratio == 4.0/3.0 &&
- frame->width >= 480 && frame->width <= 768 &&
- frame->height >= 288 && frame->height <= 576);
- if(!intercept) {
- this->height_limit_active = 0;
- this->crop_total = 0;
- this->cropping_active = 0;
- }
-
- return intercept;
-}
-
-static int autocrop_intercept_ovl(post_video_port_t *port)
-{
- autocrop_post_plugin_t *this = (autocrop_post_plugin_t *)port->post;
-
- if (!this->cropping_active)
- return 0;
-
- return 1;
-}
-
-static int32_t autocrop_overlay_add_event(video_overlay_manager_t *this_gen, void *event_gen)
-{
- post_video_port_t *port = _x_post_ovl_manager_to_port(this_gen);
- autocrop_post_plugin_t *this = (autocrop_post_plugin_t *)port->post;
- video_overlay_event_t *event = (video_overlay_event_t *)event_gen;
-
- if(this->cropping_active && this->crop_total>10) {
- if (event->event_type == OVERLAY_EVENT_SHOW) {
- switch (event->object.object_type) {
- case 0:
- /* regular subtitle */
- /* Subtitle overlays must be coming somewhere inside xine engine */
-
-#ifdef USE_CROP
- if (this->has_driver_crop) {
- if(!event->object.overlay->unscaled || !this->has_unscaled_overlay) {
- event->object.overlay->y -= this->crop_total;
- }
- } else {
- /* object is moved crop_top amount in video_out */
- if(event->object.overlay->unscaled && this->has_unscaled_overlay) {
- /* cancel incorrect move that will be done in video_out */
- event->object.overlay->y += this->start_line;
- } else {
- /* move crop_bottom pixels up */
- event->object.overlay->y -= (this->crop_total - this->start_line);
- }
- }
-
- /* when using cropping overlays are moved in video_out */
- INFO("autocrop_overlay_add_event: subtitle event untouched\n");
-#else
- /* when cropping here subtitles coming from inside of xine must be re-positioned */
- if(!event->object.overlay->unscaled || !this->has_unscaled_overlay) {
- event->object.overlay->y -= this->crop_total;
- INFO("autocrop_overlay_add_event: subtitle event moved up\n");
- }
-#endif
- break;
- case 1:
- /* menu overlay */
- /* All overlays coming from VDR have this type */
- {
-#ifdef DVDTEST
- int dvd_menu = 0;
- if (stream->input_plugin) {
- if (stream->input_plugin->get_capabilities (stream->input_plugin) &
- INPUT_CAP_SPULANG) {
- *((int *)lang) = 0; /* channel */
- if (stream->input_plugin->get_optional_data (stream->input_plugin, lang,
- INPUT_OPTIONAL_DATA_SPULANG)
- == INPUT_OPTIONAL_SUCCESS)
- if(!strcmp(lang, "menu"))
- dvd_menu = 1; /* -> cropping off */
- /* should turn on when not in menu ... -> where ? */
- }
- }
-#endif
-#ifdef USE_CROP
- if(!event->object.overlay->unscaled || !this->has_unscaled_overlay) {
- event->object.overlay->y += this->start_line;//crop_total;
- }
-#endif
- }
- break;
- }
- }
- }
-
- return port->original_manager->add_event(port->original_manager, event_gen);
-}
-
-
-/*
- * Parameter functions
- */
-
-static xine_post_api_descr_t *autocrop_get_param_descr(void)
-{
- return &autocrop_param_descr;
-}
-
-static int autocrop_set_parameters(xine_post_t *this_gen, void *param_gen)
-{
- autocrop_post_plugin_t *this = (autocrop_post_plugin_t *)this_gen;
- autocrop_parameters_t *param = (autocrop_parameters_t *)param_gen;
-
- this->autodetect = param->enable_autodetect;
- this->subs_detect = param->enable_subs_detect;
- this->soft_start = param->soft_start;
- this->stabilize = param->stabilize;
- TRACE("autocrop_set_parameters: "
- "auto=%d subs=%d soft=%d stabilize=%d\n",
- this->autodetect, this->subs_detect,
- this->soft_start, this->stabilize);
- return 1;
-}
-
-static int autocrop_get_parameters(xine_post_t *this_gen, void *param_gen)
-{
- autocrop_post_plugin_t *this = (autocrop_post_plugin_t *)this_gen;
- autocrop_parameters_t *param = (autocrop_parameters_t *)param_gen;
-
- TRACE("autocrop_get_parameters: "
- "auto=%d subs=%d soft=%d stabilize=%d\n",
- this->autodetect, this->subs_detect,
- this->soft_start, this->stabilize);
- param->enable_autodetect = this->autodetect;
- param->enable_subs_detect = this->subs_detect;
- param->soft_start = this->soft_start;
- param->stabilize = this->stabilize;
- return 1;
-}
-
-static char *autocrop_get_help(void) {
- return _("The autocrop plugin is meant to take 4:3 letterboxed frames and "
- "convert them to 16:9 by removing black bars on the top and bottom "
- "of the frame.\n"
- "\n"
- "Parameters\n"
- " enable_autodetect: Enable automatic letterbox detection\n"
- " enable_subs_detect: Enable automatic subtitle detection inside bottom bar\n"
- " soft_start: Enable soft start of cropping\n"
- " stabilize: Stabilize cropping to 14:9, 16:9, (16:9+subs), 20:9, (20:9+subs)\n"
- "\n"
- );
-}
-
-
-/*
- * Open/close
- */
-
-static void autocrop_dispose(post_plugin_t *this_gen)
-{
- if (_x_post_dispose(this_gen)) {
- autocrop_post_plugin_t *this = (autocrop_post_plugin_t *) this_gen;
- free(this);
- }
-}
-
-static post_plugin_t *autocrop_open_plugin(post_class_t *class_gen,
- int inputs,
- xine_audio_port_t **audio_target,
- xine_video_port_t **video_target)
-{
- if (video_target && video_target[ 0 ]) {
- autocrop_post_plugin_t *this = calloc(1, sizeof(autocrop_post_plugin_t));
- post_in_t *input;
- post_out_t *output;
- post_video_port_t *port;
- xine_post_in_t *input_param;
-
- static xine_post_api_t post_api =
- { autocrop_set_parameters, autocrop_get_parameters,
- autocrop_get_param_descr, autocrop_get_help };
-
- if (this) {
- _x_post_init(&this->post_plugin, 0, 1);
-
- port = _x_post_intercept_video_port(&this->post_plugin,
- video_target[ 0 ],
- &input, &output);
-
- input->xine_in.name = "video in";
- output->xine_out.name = "video out";
-
- port->intercept_ovl = autocrop_intercept_ovl;
- port->new_manager->add_event = autocrop_overlay_add_event;
- port->intercept_frame = autocrop_intercept_frame;
-#ifdef USE_CROP
- port->new_port.get_frame = autocrop_get_frame;
-#endif
- port->new_frame->draw = autocrop_draw;
-
- this->post_plugin.xine_post.video_input[ 0 ] = &port->new_port;
- this->post_plugin.dispose = autocrop_dispose;
-
- input_param = &this->parameter_input;
- input_param->name = "parameters";
- input_param->type = XINE_POST_DATA_PARAMETERS;
- input_param->data = &post_api;
-#if XINE_VERSION_CODE >= 10102
- xine_list_push_back(this->post_plugin.input, input_param);
-#else
- xine_list_append_content(this->post_plugin.input, input_param);
-#endif
- this->cropping_active = 0;
- this->autodetect = 1;
- this->subs_detect = 1;
- this->soft_start = 1;
- this->stabilize = 1;
- this->start_line = 0;
- this->end_line = 576;
-
- this->prev_start_line = 0;
- this->prev_end_line = 576;
-
- int caps = port->original_port->get_capabilities(port->original_port);
- this->has_driver_crop = caps & VO_CAP_CROP;
- this->has_unscaled_overlay = caps & VO_CAP_UNSCALED_OVERLAY;
-
- return &this->post_plugin;
- }
- }
-
- return NULL;
-}
-
-
-/*
- * Plugin class
- */
-
-#if POST_PLUGIN_IFACE_VERSION < 10
-static char *autocrop_get_identifier(post_class_t *class_gen)
-{
- return "autocrop";
-}
-
-static char *autocrop_get_description(post_class_t *class_gen)
-{
- return "Crop letterboxed 4:3 video to 16:9";
-}
-
-static void autocrop_class_dispose(post_class_t *class_gen)
-{
- free(class_gen);
-}
-#endif
-
-static void *autocrop_init_plugin(xine_t *xine, void *data)
-{
- post_class_t *class = calloc(1, sizeof(post_class_t));
-
- if(class) {
- class->open_plugin = autocrop_open_plugin;
-#if POST_PLUGIN_IFACE_VERSION < 10
- class->get_identifier = autocrop_get_identifier;
- class->get_description = autocrop_get_description;
- class->dispose = autocrop_class_dispose;
-#else
- class->identifier = "autocrop";
- class->description = N_("Crop letterboxed 4:3 video to 16:9");
- class->dispose = default_post_class_dispose;
-#endif
- }
-
- return class;
-}
-
-
-static post_info_t info = { XINE_POST_TYPE_VIDEO_FILTER };
-
-const plugin_info_t xine_plugin_info[] __attribute__((visibility("default"))) =
-{
- /* type, API, "name", version, special_info, init_function */
- { PLUGIN_POST, POST_PLUGIN_IFACE_VERSION, "autocrop", XINE_VERSION_CODE, &info, &autocrop_init_plugin },
- { PLUGIN_NONE, 0, "", 0, NULL, NULL }
-};
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-01 11:12:19 +0000