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@ -19,6 +19,7 @@ |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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*/ |
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#include "avcodec.h" |
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#include "avcodec.h" |
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#include "bytestream.h" |
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typedef struct DVBSubtitleContext { |
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typedef struct DVBSubtitleContext { |
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int hide_state; |
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int hide_state; |
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@ -208,15 +209,6 @@ static void dvb_encode_rle4(uint8_t **pq, |
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(((FIX(0.50000*224.0/255.0) * r1 - FIX(0.41869*224.0/255.0) * g1 - \
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(((FIX(0.50000*224.0/255.0) * r1 - FIX(0.41869*224.0/255.0) * g1 - \
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FIX(0.08131*224.0/255.0) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128) |
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FIX(0.08131*224.0/255.0) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128) |
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static inline void putbe16(uint8_t **pq, uint16_t v) |
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{ |
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uint8_t *q; |
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q = *pq; |
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*q++ = v >> 8; |
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*q++ = v; |
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*pq = q; |
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} |
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static int encode_dvb_subtitles(DVBSubtitleContext *s, |
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static int encode_dvb_subtitles(DVBSubtitleContext *s, |
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uint8_t *outbuf, AVSubtitle *h) |
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uint8_t *outbuf, AVSubtitle *h) |
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{ |
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{ |
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@ -237,7 +229,7 @@ static int encode_dvb_subtitles(DVBSubtitleContext *s, |
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*q++ = 0x0f; /* sync_byte */ |
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*q++ = 0x0f; /* sync_byte */ |
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*q++ = 0x10; /* segment_type */ |
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*q++ = 0x10; /* segment_type */ |
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putbe16(&q, page_id); |
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bytestream_put_be16(&q, page_id); |
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pseg_len = q; |
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pseg_len = q; |
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q += 2; /* segment length */ |
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q += 2; /* segment length */ |
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*q++ = 30; /* page_timeout (seconds) */ |
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*q++ = 30; /* page_timeout (seconds) */ |
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@ -251,11 +243,11 @@ static int encode_dvb_subtitles(DVBSubtitleContext *s, |
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for (region_id = 0; region_id < h->num_rects; region_id++) { |
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for (region_id = 0; region_id < h->num_rects; region_id++) { |
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*q++ = region_id; |
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*q++ = region_id; |
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*q++ = 0xff; /* reserved */ |
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*q++ = 0xff; /* reserved */ |
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putbe16(&q, h->rects[region_id].x); /* left pos */ |
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bytestream_put_be16(&q, h->rects[region_id].x); /* left pos */ |
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putbe16(&q, h->rects[region_id].y); /* top pos */ |
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bytestream_put_be16(&q, h->rects[region_id].y); /* top pos */ |
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} |
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} |
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putbe16(&pseg_len, q - pseg_len - 2); |
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bytestream_put_be16(&pseg_len, q - pseg_len - 2); |
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if (!s->hide_state) { |
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if (!s->hide_state) { |
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for (clut_id = 0; clut_id < h->num_rects; clut_id++) { |
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for (clut_id = 0; clut_id < h->num_rects; clut_id++) { |
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@ -274,7 +266,7 @@ static int encode_dvb_subtitles(DVBSubtitleContext *s, |
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*q++ = 0x0f; /* sync byte */ |
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*q++ = 0x0f; /* sync byte */ |
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*q++ = 0x12; /* CLUT definition segment */ |
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*q++ = 0x12; /* CLUT definition segment */ |
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putbe16(&q, page_id); |
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bytestream_put_be16(&q, page_id); |
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pseg_len = q; |
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pseg_len = q; |
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q += 2; /* segment length */ |
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q += 2; /* segment length */ |
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*q++ = clut_id; |
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*q++ = clut_id; |
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@ -297,7 +289,7 @@ static int encode_dvb_subtitles(DVBSubtitleContext *s, |
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} |
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} |
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} |
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} |
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putbe16(&pseg_len, q - pseg_len - 2); |
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bytestream_put_be16(&pseg_len, q - pseg_len - 2); |
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} |
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} |
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} |
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} |
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@ -317,27 +309,27 @@ static int encode_dvb_subtitles(DVBSubtitleContext *s, |
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*q++ = 0x0f; /* sync_byte */ |
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*q++ = 0x0f; /* sync_byte */ |
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*q++ = 0x11; /* segment_type */ |
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*q++ = 0x11; /* segment_type */ |
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putbe16(&q, page_id); |
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bytestream_put_be16(&q, page_id); |
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pseg_len = q; |
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pseg_len = q; |
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q += 2; /* segment length */ |
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q += 2; /* segment length */ |
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*q++ = region_id; |
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*q++ = region_id; |
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*q++ = (s->object_version << 4) | (0 << 3) | 0x07; /* version , no fill */ |
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*q++ = (s->object_version << 4) | (0 << 3) | 0x07; /* version , no fill */ |
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putbe16(&q, h->rects[region_id].w); /* region width */ |
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bytestream_put_be16(&q, h->rects[region_id].w); /* region width */ |
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putbe16(&q, h->rects[region_id].h); /* region height */ |
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bytestream_put_be16(&q, h->rects[region_id].h); /* region height */ |
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*q++ = ((1 + bpp_index) << 5) | ((1 + bpp_index) << 2) | 0x03; |
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*q++ = ((1 + bpp_index) << 5) | ((1 + bpp_index) << 2) | 0x03; |
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*q++ = region_id; /* clut_id == region_id */ |
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*q++ = region_id; /* clut_id == region_id */ |
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*q++ = 0; /* 8 bit fill colors */ |
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*q++ = 0; /* 8 bit fill colors */ |
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*q++ = 0x03; /* 4 bit and 2 bit fill colors */ |
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*q++ = 0x03; /* 4 bit and 2 bit fill colors */ |
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if (!s->hide_state) { |
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if (!s->hide_state) { |
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putbe16(&q, region_id); /* object_id == region_id */ |
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bytestream_put_be16(&q, region_id); /* object_id == region_id */ |
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*q++ = (0 << 6) | (0 << 4); |
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*q++ = (0 << 6) | (0 << 4); |
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*q++ = 0; |
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*q++ = 0; |
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*q++ = 0xf0; |
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*q++ = 0xf0; |
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*q++ = 0; |
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*q++ = 0; |
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} |
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} |
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putbe16(&pseg_len, q - pseg_len - 2); |
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bytestream_put_be16(&pseg_len, q - pseg_len - 2); |
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} |
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} |
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if (!s->hide_state) { |
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if (!s->hide_state) { |
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@ -357,11 +349,11 @@ static int encode_dvb_subtitles(DVBSubtitleContext *s, |
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*q++ = 0x0f; /* sync byte */ |
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*q++ = 0x0f; /* sync byte */ |
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*q++ = 0x13; |
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*q++ = 0x13; |
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putbe16(&q, page_id); |
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bytestream_put_be16(&q, page_id); |
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pseg_len = q; |
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pseg_len = q; |
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q += 2; /* segment length */ |
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q += 2; /* segment length */ |
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putbe16(&q, object_id); |
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bytestream_put_be16(&q, object_id); |
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*q++ = (s->object_version << 4) | (0 << 2) | (0 << 1) | 1; /* version = 0,
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*q++ = (s->object_version << 4) | (0 << 2) | (0 << 1) | 1; /* version = 0,
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onject_coding_method, |
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onject_coding_method, |
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non_modifying_color_flag */ |
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non_modifying_color_flag */ |
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@ -388,11 +380,11 @@ static int encode_dvb_subtitles(DVBSubtitleContext *s, |
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h->rects[object_id].w * 2, h->rects[object_id].w, |
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h->rects[object_id].w * 2, h->rects[object_id].w, |
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h->rects[object_id].h >> 1); |
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h->rects[object_id].h >> 1); |
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putbe16(&ptop_field_len, bottom_ptr - top_ptr); |
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bytestream_put_be16(&ptop_field_len, bottom_ptr - top_ptr); |
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putbe16(&pbottom_field_len, q - bottom_ptr); |
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bytestream_put_be16(&pbottom_field_len, q - bottom_ptr); |
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} |
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} |
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putbe16(&pseg_len, q - pseg_len - 2); |
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bytestream_put_be16(&pseg_len, q - pseg_len - 2); |
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} |
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} |
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} |
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} |
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@ -400,11 +392,11 @@ static int encode_dvb_subtitles(DVBSubtitleContext *s, |
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*q++ = 0x0f; /* sync_byte */ |
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*q++ = 0x0f; /* sync_byte */ |
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*q++ = 0x80; /* segment_type */ |
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*q++ = 0x80; /* segment_type */ |
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putbe16(&q, page_id); |
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bytestream_put_be16(&q, page_id); |
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pseg_len = q; |
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pseg_len = q; |
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q += 2; /* segment length */ |
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q += 2; /* segment length */ |
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putbe16(&pseg_len, q - pseg_len - 2); |
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bytestream_put_be16(&pseg_len, q - pseg_len - 2); |
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*q++ = 0xff; /* end of PES data */ |
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*q++ = 0xff; /* end of PES data */ |
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