mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-21 10:55:51 +02:00
indent
Originally committed as revision 9616 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård
parent
ebccac06ff
commit
7c8b273bbe
@ -53,7 +53,7 @@
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* Decoder context
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*/
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typedef struct LclDecContext {
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AVFrame pic;
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AVFrame pic;
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// Image type
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int imgtype;
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@ -163,8 +163,8 @@ static unsigned int mszh_decomp(unsigned char * srcptr, int srclen, unsigned cha
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*/
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static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8_t *buf, int buf_size)
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{
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LclDecContext * const c = avctx->priv_data;
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unsigned char *encoded = (unsigned char *)buf;
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LclDecContext * const c = avctx->priv_data;
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unsigned char *encoded = (unsigned char *)buf;
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unsigned int pixel_ptr;
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int row, col;
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unsigned char *outptr;
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@ -179,327 +179,327 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8
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#endif
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unsigned int len = buf_size;
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if(c->pic.data[0])
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avctx->release_buffer(avctx, &c->pic);
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if(c->pic.data[0])
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avctx->release_buffer(avctx, &c->pic);
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c->pic.reference = 0;
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c->pic.buffer_hints = FF_BUFFER_HINTS_VALID;
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if(avctx->get_buffer(avctx, &c->pic) < 0){
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av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
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return -1;
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}
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c->pic.reference = 0;
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c->pic.buffer_hints = FF_BUFFER_HINTS_VALID;
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if(avctx->get_buffer(avctx, &c->pic) < 0){
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av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
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return -1;
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}
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outptr = c->pic.data[0]; // Output image pointer
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/* Decompress frame */
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switch (avctx->codec_id) {
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case CODEC_ID_MSZH:
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switch (c->compression) {
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case COMP_MSZH:
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if (c->flags & FLAG_MULTITHREAD) {
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mthread_inlen = *((unsigned int*)encoded);
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mthread_outlen = *((unsigned int*)(encoded+4));
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if (mthread_outlen > c->decomp_size) // this should not happen
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mthread_outlen = c->decomp_size;
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mszh_dlen = mszh_decomp(encoded + 8, mthread_inlen, c->decomp_buf, c->decomp_size);
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if (mthread_outlen != mszh_dlen) {
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av_log(avctx, AV_LOG_ERROR, "Mthread1 decoded size differs (%d != %d)\n",
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mthread_outlen, mszh_dlen);
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return -1;
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}
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mszh_dlen = mszh_decomp(encoded + 8 + mthread_inlen, len - mthread_inlen,
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c->decomp_buf + mthread_outlen, c->decomp_size - mthread_outlen);
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if (mthread_outlen != mszh_dlen) {
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av_log(avctx, AV_LOG_ERROR, "Mthread2 decoded size differs (%d != %d)\n",
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mthread_outlen, mszh_dlen);
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return -1;
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}
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encoded = c->decomp_buf;
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len = c->decomp_size;
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} else {
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mszh_dlen = mszh_decomp(encoded, len, c->decomp_buf, c->decomp_size);
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if (c->decomp_size != mszh_dlen) {
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av_log(avctx, AV_LOG_ERROR, "Decoded size differs (%d != %d)\n",
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c->decomp_size, mszh_dlen);
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return -1;
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}
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encoded = c->decomp_buf;
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len = mszh_dlen;
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}
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break;
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case COMP_MSZH_NOCOMP:
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break;
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default:
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av_log(avctx, AV_LOG_ERROR, "BUG! Unknown MSZH compression in frame decoder.\n");
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return -1;
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}
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break;
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case CODEC_ID_ZLIB:
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#ifdef CONFIG_ZLIB
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/* Using the original dll with normal compression (-1) and RGB format
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* gives a file with ZLIB fourcc, but frame is really uncompressed.
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* To be sure that's true check also frame size */
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if ((c->compression == COMP_ZLIB_NORMAL) && (c->imgtype == IMGTYPE_RGB24) &&
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(len == width * height * 3))
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break;
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zret = inflateReset(&(c->zstream));
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if (zret != Z_OK) {
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av_log(avctx, AV_LOG_ERROR, "Inflate reset error: %d\n", zret);
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return -1;
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}
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case CODEC_ID_MSZH:
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switch (c->compression) {
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case COMP_MSZH:
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if (c->flags & FLAG_MULTITHREAD) {
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mthread_inlen = *((unsigned int*)encoded);
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mthread_outlen = *((unsigned int*)(encoded+4));
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if (mthread_outlen > c->decomp_size)
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if (mthread_outlen > c->decomp_size) // this should not happen
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mthread_outlen = c->decomp_size;
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c->zstream.next_in = encoded + 8;
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c->zstream.avail_in = mthread_inlen;
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c->zstream.next_out = c->decomp_buf;
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c->zstream.avail_out = c->decomp_size;
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zret = inflate(&(c->zstream), Z_FINISH);
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if ((zret != Z_OK) && (zret != Z_STREAM_END)) {
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av_log(avctx, AV_LOG_ERROR, "Mthread1 inflate error: %d\n", zret);
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mszh_dlen = mszh_decomp(encoded + 8, mthread_inlen, c->decomp_buf, c->decomp_size);
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if (mthread_outlen != mszh_dlen) {
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av_log(avctx, AV_LOG_ERROR, "Mthread1 decoded size differs (%d != %d)\n",
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mthread_outlen, mszh_dlen);
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return -1;
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}
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if (mthread_outlen != (unsigned int)(c->zstream.total_out)) {
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av_log(avctx, AV_LOG_ERROR, "Mthread1 decoded size differs (%u != %lu)\n",
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mthread_outlen, c->zstream.total_out);
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return -1;
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}
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zret = inflateReset(&(c->zstream));
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if (zret != Z_OK) {
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av_log(avctx, AV_LOG_ERROR, "Mthread2 inflate reset error: %d\n", zret);
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return -1;
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}
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c->zstream.next_in = encoded + 8 + mthread_inlen;
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c->zstream.avail_in = len - mthread_inlen;
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c->zstream.next_out = c->decomp_buf + mthread_outlen;
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c->zstream.avail_out = c->decomp_size - mthread_outlen;
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zret = inflate(&(c->zstream), Z_FINISH);
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if ((zret != Z_OK) && (zret != Z_STREAM_END)) {
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av_log(avctx, AV_LOG_ERROR, "Mthread2 inflate error: %d\n", zret);
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return -1;
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}
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if (mthread_outlen != (unsigned int)(c->zstream.total_out)) {
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av_log(avctx, AV_LOG_ERROR, "Mthread2 decoded size differs (%d != %lu)\n",
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mthread_outlen, c->zstream.total_out);
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mszh_dlen = mszh_decomp(encoded + 8 + mthread_inlen, len - mthread_inlen,
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c->decomp_buf + mthread_outlen, c->decomp_size - mthread_outlen);
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if (mthread_outlen != mszh_dlen) {
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av_log(avctx, AV_LOG_ERROR, "Mthread2 decoded size differs (%d != %d)\n",
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mthread_outlen, mszh_dlen);
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return -1;
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}
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encoded = c->decomp_buf;
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len = c->decomp_size;
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} else {
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c->zstream.next_in = encoded;
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c->zstream.avail_in = len;
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c->zstream.next_out = c->decomp_buf;
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c->zstream.avail_out = c->decomp_size;
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zret = inflate(&(c->zstream), Z_FINISH);
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if ((zret != Z_OK) && (zret != Z_STREAM_END)) {
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av_log(avctx, AV_LOG_ERROR, "Inflate error: %d\n", zret);
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return -1;
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}
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if (c->decomp_size != (unsigned int)(c->zstream.total_out)) {
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av_log(avctx, AV_LOG_ERROR, "Decoded size differs (%d != %lu)\n",
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c->decomp_size, c->zstream.total_out);
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mszh_dlen = mszh_decomp(encoded, len, c->decomp_buf, c->decomp_size);
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if (c->decomp_size != mszh_dlen) {
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av_log(avctx, AV_LOG_ERROR, "Decoded size differs (%d != %d)\n",
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c->decomp_size, mszh_dlen);
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return -1;
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}
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encoded = c->decomp_buf;
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len = mszh_dlen;
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}
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encoded = c->decomp_buf;
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len = c->decomp_size;;
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#else
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av_log(avctx, AV_LOG_ERROR, "BUG! Zlib support not compiled in frame decoder.\n");
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return -1;
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#endif
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break;
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case COMP_MSZH_NOCOMP:
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break;
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default:
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av_log(avctx, AV_LOG_ERROR, "BUG! Unknown codec in frame decoder compression switch.\n");
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av_log(avctx, AV_LOG_ERROR, "BUG! Unknown MSZH compression in frame decoder.\n");
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return -1;
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}
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break;
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case CODEC_ID_ZLIB:
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#ifdef CONFIG_ZLIB
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/* Using the original dll with normal compression (-1) and RGB format
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* gives a file with ZLIB fourcc, but frame is really uncompressed.
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* To be sure that's true check also frame size */
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if ((c->compression == COMP_ZLIB_NORMAL) && (c->imgtype == IMGTYPE_RGB24) &&
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(len == width * height * 3))
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break;
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zret = inflateReset(&(c->zstream));
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if (zret != Z_OK) {
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av_log(avctx, AV_LOG_ERROR, "Inflate reset error: %d\n", zret);
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return -1;
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}
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if (c->flags & FLAG_MULTITHREAD) {
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mthread_inlen = *((unsigned int*)encoded);
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mthread_outlen = *((unsigned int*)(encoded+4));
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if (mthread_outlen > c->decomp_size)
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mthread_outlen = c->decomp_size;
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c->zstream.next_in = encoded + 8;
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c->zstream.avail_in = mthread_inlen;
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c->zstream.next_out = c->decomp_buf;
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c->zstream.avail_out = c->decomp_size;
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zret = inflate(&(c->zstream), Z_FINISH);
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if ((zret != Z_OK) && (zret != Z_STREAM_END)) {
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av_log(avctx, AV_LOG_ERROR, "Mthread1 inflate error: %d\n", zret);
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return -1;
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}
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if (mthread_outlen != (unsigned int)(c->zstream.total_out)) {
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av_log(avctx, AV_LOG_ERROR, "Mthread1 decoded size differs (%u != %lu)\n",
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mthread_outlen, c->zstream.total_out);
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return -1;
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}
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zret = inflateReset(&(c->zstream));
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if (zret != Z_OK) {
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av_log(avctx, AV_LOG_ERROR, "Mthread2 inflate reset error: %d\n", zret);
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return -1;
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}
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c->zstream.next_in = encoded + 8 + mthread_inlen;
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c->zstream.avail_in = len - mthread_inlen;
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c->zstream.next_out = c->decomp_buf + mthread_outlen;
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c->zstream.avail_out = c->decomp_size - mthread_outlen;
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zret = inflate(&(c->zstream), Z_FINISH);
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if ((zret != Z_OK) && (zret != Z_STREAM_END)) {
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av_log(avctx, AV_LOG_ERROR, "Mthread2 inflate error: %d\n", zret);
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return -1;
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}
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if (mthread_outlen != (unsigned int)(c->zstream.total_out)) {
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av_log(avctx, AV_LOG_ERROR, "Mthread2 decoded size differs (%d != %lu)\n",
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mthread_outlen, c->zstream.total_out);
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return -1;
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}
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} else {
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c->zstream.next_in = encoded;
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c->zstream.avail_in = len;
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c->zstream.next_out = c->decomp_buf;
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c->zstream.avail_out = c->decomp_size;
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zret = inflate(&(c->zstream), Z_FINISH);
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if ((zret != Z_OK) && (zret != Z_STREAM_END)) {
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av_log(avctx, AV_LOG_ERROR, "Inflate error: %d\n", zret);
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return -1;
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}
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if (c->decomp_size != (unsigned int)(c->zstream.total_out)) {
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av_log(avctx, AV_LOG_ERROR, "Decoded size differs (%d != %lu)\n",
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c->decomp_size, c->zstream.total_out);
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return -1;
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}
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}
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encoded = c->decomp_buf;
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len = c->decomp_size;;
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#else
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av_log(avctx, AV_LOG_ERROR, "BUG! Zlib support not compiled in frame decoder.\n");
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return -1;
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#endif
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break;
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default:
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av_log(avctx, AV_LOG_ERROR, "BUG! Unknown codec in frame decoder compression switch.\n");
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return -1;
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}
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/* Apply PNG filter */
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if ((avctx->codec_id == CODEC_ID_ZLIB) && (c->flags & FLAG_PNGFILTER)) {
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switch (c->imgtype) {
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case IMGTYPE_YUV111:
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case IMGTYPE_RGB24:
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for (row = 0; row < height; row++) {
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pixel_ptr = row * width * 3;
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yq = encoded[pixel_ptr++];
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uqvq = AV_RL16(encoded+pixel_ptr);
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pixel_ptr += 2;
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for (col = 1; col < width; col++) {
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encoded[pixel_ptr] = yq -= encoded[pixel_ptr];
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uqvq -= AV_RL16(encoded+pixel_ptr+1);
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AV_WL16(encoded+pixel_ptr+1, uqvq);
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pixel_ptr += 3;
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}
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case IMGTYPE_YUV111:
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case IMGTYPE_RGB24:
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for (row = 0; row < height; row++) {
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pixel_ptr = row * width * 3;
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yq = encoded[pixel_ptr++];
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uqvq = AV_RL16(encoded+pixel_ptr);
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pixel_ptr += 2;
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for (col = 1; col < width; col++) {
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encoded[pixel_ptr] = yq -= encoded[pixel_ptr];
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uqvq -= AV_RL16(encoded+pixel_ptr+1);
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AV_WL16(encoded+pixel_ptr+1, uqvq);
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pixel_ptr += 3;
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}
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break;
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case IMGTYPE_YUV422:
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for (row = 0; row < height; row++) {
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pixel_ptr = row * width * 2;
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yq = uq = vq =0;
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for (col = 0; col < width/4; col++) {
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encoded[pixel_ptr] = yq -= encoded[pixel_ptr];
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encoded[pixel_ptr+1] = yq -= encoded[pixel_ptr+1];
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encoded[pixel_ptr+2] = yq -= encoded[pixel_ptr+2];
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encoded[pixel_ptr+3] = yq -= encoded[pixel_ptr+3];
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encoded[pixel_ptr+4] = uq -= encoded[pixel_ptr+4];
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encoded[pixel_ptr+5] = uq -= encoded[pixel_ptr+5];
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encoded[pixel_ptr+6] = vq -= encoded[pixel_ptr+6];
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encoded[pixel_ptr+7] = vq -= encoded[pixel_ptr+7];
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pixel_ptr += 8;
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}
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}
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break;
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case IMGTYPE_YUV422:
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for (row = 0; row < height; row++) {
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pixel_ptr = row * width * 2;
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yq = uq = vq =0;
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for (col = 0; col < width/4; col++) {
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encoded[pixel_ptr] = yq -= encoded[pixel_ptr];
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encoded[pixel_ptr+1] = yq -= encoded[pixel_ptr+1];
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encoded[pixel_ptr+2] = yq -= encoded[pixel_ptr+2];
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encoded[pixel_ptr+3] = yq -= encoded[pixel_ptr+3];
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encoded[pixel_ptr+4] = uq -= encoded[pixel_ptr+4];
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encoded[pixel_ptr+5] = uq -= encoded[pixel_ptr+5];
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encoded[pixel_ptr+6] = vq -= encoded[pixel_ptr+6];
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encoded[pixel_ptr+7] = vq -= encoded[pixel_ptr+7];
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pixel_ptr += 8;
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}
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break;
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case IMGTYPE_YUV411:
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for (row = 0; row < height; row++) {
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pixel_ptr = row * width / 2 * 3;
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yq = uq = vq =0;
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for (col = 0; col < width/4; col++) {
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encoded[pixel_ptr] = yq -= encoded[pixel_ptr];
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encoded[pixel_ptr+1] = yq -= encoded[pixel_ptr+1];
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encoded[pixel_ptr+2] = yq -= encoded[pixel_ptr+2];
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encoded[pixel_ptr+3] = yq -= encoded[pixel_ptr+3];
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encoded[pixel_ptr+4] = uq -= encoded[pixel_ptr+4];
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encoded[pixel_ptr+5] = vq -= encoded[pixel_ptr+5];
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pixel_ptr += 6;
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}
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}
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break;
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case IMGTYPE_YUV411:
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for (row = 0; row < height; row++) {
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pixel_ptr = row * width / 2 * 3;
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yq = uq = vq =0;
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for (col = 0; col < width/4; col++) {
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encoded[pixel_ptr] = yq -= encoded[pixel_ptr];
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encoded[pixel_ptr+1] = yq -= encoded[pixel_ptr+1];
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encoded[pixel_ptr+2] = yq -= encoded[pixel_ptr+2];
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encoded[pixel_ptr+3] = yq -= encoded[pixel_ptr+3];
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encoded[pixel_ptr+4] = uq -= encoded[pixel_ptr+4];
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encoded[pixel_ptr+5] = vq -= encoded[pixel_ptr+5];
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pixel_ptr += 6;
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}
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break;
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case IMGTYPE_YUV211:
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for (row = 0; row < height; row++) {
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pixel_ptr = row * width * 2;
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yq = uq = vq =0;
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for (col = 0; col < width/2; col++) {
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encoded[pixel_ptr] = yq -= encoded[pixel_ptr];
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encoded[pixel_ptr+1] = yq -= encoded[pixel_ptr+1];
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encoded[pixel_ptr+2] = uq -= encoded[pixel_ptr+2];
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encoded[pixel_ptr+3] = vq -= encoded[pixel_ptr+3];
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pixel_ptr += 4;
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}
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}
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break;
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case IMGTYPE_YUV211:
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for (row = 0; row < height; row++) {
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pixel_ptr = row * width * 2;
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yq = uq = vq =0;
|
||||
for (col = 0; col < width/2; col++) {
|
||||
encoded[pixel_ptr] = yq -= encoded[pixel_ptr];
|
||||
encoded[pixel_ptr+1] = yq -= encoded[pixel_ptr+1];
|
||||
encoded[pixel_ptr+2] = uq -= encoded[pixel_ptr+2];
|
||||
encoded[pixel_ptr+3] = vq -= encoded[pixel_ptr+3];
|
||||
pixel_ptr += 4;
|
||||
}
|
||||
break;
|
||||
case IMGTYPE_YUV420:
|
||||
for (row = 0; row < height/2; row++) {
|
||||
pixel_ptr = row * width * 3;
|
||||
yq = y1q = uq = vq =0;
|
||||
for (col = 0; col < width/2; col++) {
|
||||
encoded[pixel_ptr] = yq -= encoded[pixel_ptr];
|
||||
encoded[pixel_ptr+1] = yq -= encoded[pixel_ptr+1];
|
||||
encoded[pixel_ptr+2] = y1q -= encoded[pixel_ptr+2];
|
||||
encoded[pixel_ptr+3] = y1q -= encoded[pixel_ptr+3];
|
||||
encoded[pixel_ptr+4] = uq -= encoded[pixel_ptr+4];
|
||||
encoded[pixel_ptr+5] = vq -= encoded[pixel_ptr+5];
|
||||
pixel_ptr += 6;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case IMGTYPE_YUV420:
|
||||
for (row = 0; row < height/2; row++) {
|
||||
pixel_ptr = row * width * 3;
|
||||
yq = y1q = uq = vq =0;
|
||||
for (col = 0; col < width/2; col++) {
|
||||
encoded[pixel_ptr] = yq -= encoded[pixel_ptr];
|
||||
encoded[pixel_ptr+1] = yq -= encoded[pixel_ptr+1];
|
||||
encoded[pixel_ptr+2] = y1q -= encoded[pixel_ptr+2];
|
||||
encoded[pixel_ptr+3] = y1q -= encoded[pixel_ptr+3];
|
||||
encoded[pixel_ptr+4] = uq -= encoded[pixel_ptr+4];
|
||||
encoded[pixel_ptr+5] = vq -= encoded[pixel_ptr+5];
|
||||
pixel_ptr += 6;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
av_log(avctx, AV_LOG_ERROR, "BUG! Unknown imagetype in pngfilter switch.\n");
|
||||
return -1;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
av_log(avctx, AV_LOG_ERROR, "BUG! Unknown imagetype in pngfilter switch.\n");
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
/* Convert colorspace */
|
||||
switch (c->imgtype) {
|
||||
case IMGTYPE_YUV111:
|
||||
for (row = height - 1; row >= 0; row--) {
|
||||
pixel_ptr = row * c->pic.linesize[0];
|
||||
for (col = 0; col < width; col++) {
|
||||
outptr[pixel_ptr++] = get_b(encoded[0], encoded[1]);
|
||||
outptr[pixel_ptr++] = get_g(encoded[0], encoded[1], encoded[2]);
|
||||
outptr[pixel_ptr++] = get_r(encoded[0], encoded[2]);
|
||||
encoded += 3;
|
||||
}
|
||||
case IMGTYPE_YUV111:
|
||||
for (row = height - 1; row >= 0; row--) {
|
||||
pixel_ptr = row * c->pic.linesize[0];
|
||||
for (col = 0; col < width; col++) {
|
||||
outptr[pixel_ptr++] = get_b(encoded[0], encoded[1]);
|
||||
outptr[pixel_ptr++] = get_g(encoded[0], encoded[1], encoded[2]);
|
||||
outptr[pixel_ptr++] = get_r(encoded[0], encoded[2]);
|
||||
encoded += 3;
|
||||
}
|
||||
break;
|
||||
case IMGTYPE_YUV422:
|
||||
for (row = height - 1; row >= 0; row--) {
|
||||
pixel_ptr = row * c->pic.linesize[0];
|
||||
for (col = 0; col < width/4; col++) {
|
||||
outptr[pixel_ptr++] = get_b(encoded[0], encoded[4]);
|
||||
outptr[pixel_ptr++] = get_g(encoded[0], encoded[4], encoded[6]);
|
||||
outptr[pixel_ptr++] = get_r(encoded[0], encoded[6]);
|
||||
outptr[pixel_ptr++] = get_b(encoded[1], encoded[4]);
|
||||
outptr[pixel_ptr++] = get_g(encoded[1], encoded[4], encoded[6]);
|
||||
outptr[pixel_ptr++] = get_r(encoded[1], encoded[6]);
|
||||
outptr[pixel_ptr++] = get_b(encoded[2], encoded[5]);
|
||||
outptr[pixel_ptr++] = get_g(encoded[2], encoded[5], encoded[7]);
|
||||
outptr[pixel_ptr++] = get_r(encoded[2], encoded[7]);
|
||||
outptr[pixel_ptr++] = get_b(encoded[3], encoded[5]);
|
||||
outptr[pixel_ptr++] = get_g(encoded[3], encoded[5], encoded[7]);
|
||||
outptr[pixel_ptr++] = get_r(encoded[3], encoded[7]);
|
||||
encoded += 8;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case IMGTYPE_YUV422:
|
||||
for (row = height - 1; row >= 0; row--) {
|
||||
pixel_ptr = row * c->pic.linesize[0];
|
||||
for (col = 0; col < width/4; col++) {
|
||||
outptr[pixel_ptr++] = get_b(encoded[0], encoded[4]);
|
||||
outptr[pixel_ptr++] = get_g(encoded[0], encoded[4], encoded[6]);
|
||||
outptr[pixel_ptr++] = get_r(encoded[0], encoded[6]);
|
||||
outptr[pixel_ptr++] = get_b(encoded[1], encoded[4]);
|
||||
outptr[pixel_ptr++] = get_g(encoded[1], encoded[4], encoded[6]);
|
||||
outptr[pixel_ptr++] = get_r(encoded[1], encoded[6]);
|
||||
outptr[pixel_ptr++] = get_b(encoded[2], encoded[5]);
|
||||
outptr[pixel_ptr++] = get_g(encoded[2], encoded[5], encoded[7]);
|
||||
outptr[pixel_ptr++] = get_r(encoded[2], encoded[7]);
|
||||
outptr[pixel_ptr++] = get_b(encoded[3], encoded[5]);
|
||||
outptr[pixel_ptr++] = get_g(encoded[3], encoded[5], encoded[7]);
|
||||
outptr[pixel_ptr++] = get_r(encoded[3], encoded[7]);
|
||||
encoded += 8;
|
||||
}
|
||||
break;
|
||||
case IMGTYPE_RGB24:
|
||||
for (row = height - 1; row >= 0; row--) {
|
||||
pixel_ptr = row * c->pic.linesize[0];
|
||||
for (col = 0; col < width; col++) {
|
||||
outptr[pixel_ptr++] = encoded[0];
|
||||
outptr[pixel_ptr++] = encoded[1];
|
||||
outptr[pixel_ptr++] = encoded[2];
|
||||
encoded += 3;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case IMGTYPE_RGB24:
|
||||
for (row = height - 1; row >= 0; row--) {
|
||||
pixel_ptr = row * c->pic.linesize[0];
|
||||
for (col = 0; col < width; col++) {
|
||||
outptr[pixel_ptr++] = encoded[0];
|
||||
outptr[pixel_ptr++] = encoded[1];
|
||||
outptr[pixel_ptr++] = encoded[2];
|
||||
encoded += 3;
|
||||
}
|
||||
break;
|
||||
case IMGTYPE_YUV411:
|
||||
for (row = height - 1; row >= 0; row--) {
|
||||
pixel_ptr = row * c->pic.linesize[0];
|
||||
for (col = 0; col < width/4; col++) {
|
||||
outptr[pixel_ptr++] = get_b(encoded[0], encoded[4]);
|
||||
outptr[pixel_ptr++] = get_g(encoded[0], encoded[4], encoded[5]);
|
||||
outptr[pixel_ptr++] = get_r(encoded[0], encoded[5]);
|
||||
outptr[pixel_ptr++] = get_b(encoded[1], encoded[4]);
|
||||
outptr[pixel_ptr++] = get_g(encoded[1], encoded[4], encoded[5]);
|
||||
outptr[pixel_ptr++] = get_r(encoded[1], encoded[5]);
|
||||
outptr[pixel_ptr++] = get_b(encoded[2], encoded[4]);
|
||||
outptr[pixel_ptr++] = get_g(encoded[2], encoded[4], encoded[5]);
|
||||
outptr[pixel_ptr++] = get_r(encoded[2], encoded[5]);
|
||||
outptr[pixel_ptr++] = get_b(encoded[3], encoded[4]);
|
||||
outptr[pixel_ptr++] = get_g(encoded[3], encoded[4], encoded[5]);
|
||||
outptr[pixel_ptr++] = get_r(encoded[3], encoded[5]);
|
||||
encoded += 6;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case IMGTYPE_YUV411:
|
||||
for (row = height - 1; row >= 0; row--) {
|
||||
pixel_ptr = row * c->pic.linesize[0];
|
||||
for (col = 0; col < width/4; col++) {
|
||||
outptr[pixel_ptr++] = get_b(encoded[0], encoded[4]);
|
||||
outptr[pixel_ptr++] = get_g(encoded[0], encoded[4], encoded[5]);
|
||||
outptr[pixel_ptr++] = get_r(encoded[0], encoded[5]);
|
||||
outptr[pixel_ptr++] = get_b(encoded[1], encoded[4]);
|
||||
outptr[pixel_ptr++] = get_g(encoded[1], encoded[4], encoded[5]);
|
||||
outptr[pixel_ptr++] = get_r(encoded[1], encoded[5]);
|
||||
outptr[pixel_ptr++] = get_b(encoded[2], encoded[4]);
|
||||
outptr[pixel_ptr++] = get_g(encoded[2], encoded[4], encoded[5]);
|
||||
outptr[pixel_ptr++] = get_r(encoded[2], encoded[5]);
|
||||
outptr[pixel_ptr++] = get_b(encoded[3], encoded[4]);
|
||||
outptr[pixel_ptr++] = get_g(encoded[3], encoded[4], encoded[5]);
|
||||
outptr[pixel_ptr++] = get_r(encoded[3], encoded[5]);
|
||||
encoded += 6;
|
||||
}
|
||||
break;
|
||||
case IMGTYPE_YUV211:
|
||||
for (row = height - 1; row >= 0; row--) {
|
||||
pixel_ptr = row * c->pic.linesize[0];
|
||||
for (col = 0; col < width/2; col++) {
|
||||
outptr[pixel_ptr++] = get_b(encoded[0], encoded[2]);
|
||||
outptr[pixel_ptr++] = get_g(encoded[0], encoded[2], encoded[3]);
|
||||
outptr[pixel_ptr++] = get_r(encoded[0], encoded[3]);
|
||||
outptr[pixel_ptr++] = get_b(encoded[1], encoded[2]);
|
||||
outptr[pixel_ptr++] = get_g(encoded[1], encoded[2], encoded[3]);
|
||||
outptr[pixel_ptr++] = get_r(encoded[1], encoded[3]);
|
||||
encoded += 4;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case IMGTYPE_YUV211:
|
||||
for (row = height - 1; row >= 0; row--) {
|
||||
pixel_ptr = row * c->pic.linesize[0];
|
||||
for (col = 0; col < width/2; col++) {
|
||||
outptr[pixel_ptr++] = get_b(encoded[0], encoded[2]);
|
||||
outptr[pixel_ptr++] = get_g(encoded[0], encoded[2], encoded[3]);
|
||||
outptr[pixel_ptr++] = get_r(encoded[0], encoded[3]);
|
||||
outptr[pixel_ptr++] = get_b(encoded[1], encoded[2]);
|
||||
outptr[pixel_ptr++] = get_g(encoded[1], encoded[2], encoded[3]);
|
||||
outptr[pixel_ptr++] = get_r(encoded[1], encoded[3]);
|
||||
encoded += 4;
|
||||
}
|
||||
break;
|
||||
case IMGTYPE_YUV420:
|
||||
for (row = height / 2 - 1; row >= 0; row--) {
|
||||
pixel_ptr = 2 * row * c->pic.linesize[0];
|
||||
for (col = 0; col < width/2; col++) {
|
||||
outptr[pixel_ptr] = get_b(encoded[0], encoded[4]);
|
||||
outptr[pixel_ptr+1] = get_g(encoded[0], encoded[4], encoded[5]);
|
||||
outptr[pixel_ptr+2] = get_r(encoded[0], encoded[5]);
|
||||
outptr[pixel_ptr+3] = get_b(encoded[1], encoded[4]);
|
||||
outptr[pixel_ptr+4] = get_g(encoded[1], encoded[4], encoded[5]);
|
||||
outptr[pixel_ptr+5] = get_r(encoded[1], encoded[5]);
|
||||
outptr[pixel_ptr-c->pic.linesize[0]] = get_b(encoded[2], encoded[4]);
|
||||
outptr[pixel_ptr-c->pic.linesize[0]+1] = get_g(encoded[2], encoded[4], encoded[5]);
|
||||
outptr[pixel_ptr-c->pic.linesize[0]+2] = get_r(encoded[2], encoded[5]);
|
||||
outptr[pixel_ptr-c->pic.linesize[0]+3] = get_b(encoded[3], encoded[4]);
|
||||
outptr[pixel_ptr-c->pic.linesize[0]+4] = get_g(encoded[3], encoded[4], encoded[5]);
|
||||
outptr[pixel_ptr-c->pic.linesize[0]+5] = get_r(encoded[3], encoded[5]);
|
||||
pixel_ptr += 6;
|
||||
encoded += 6;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case IMGTYPE_YUV420:
|
||||
for (row = height / 2 - 1; row >= 0; row--) {
|
||||
pixel_ptr = 2 * row * c->pic.linesize[0];
|
||||
for (col = 0; col < width/2; col++) {
|
||||
outptr[pixel_ptr] = get_b(encoded[0], encoded[4]);
|
||||
outptr[pixel_ptr+1] = get_g(encoded[0], encoded[4], encoded[5]);
|
||||
outptr[pixel_ptr+2] = get_r(encoded[0], encoded[5]);
|
||||
outptr[pixel_ptr+3] = get_b(encoded[1], encoded[4]);
|
||||
outptr[pixel_ptr+4] = get_g(encoded[1], encoded[4], encoded[5]);
|
||||
outptr[pixel_ptr+5] = get_r(encoded[1], encoded[5]);
|
||||
outptr[pixel_ptr-c->pic.linesize[0]] = get_b(encoded[2], encoded[4]);
|
||||
outptr[pixel_ptr-c->pic.linesize[0]+1] = get_g(encoded[2], encoded[4], encoded[5]);
|
||||
outptr[pixel_ptr-c->pic.linesize[0]+2] = get_r(encoded[2], encoded[5]);
|
||||
outptr[pixel_ptr-c->pic.linesize[0]+3] = get_b(encoded[3], encoded[4]);
|
||||
outptr[pixel_ptr-c->pic.linesize[0]+4] = get_g(encoded[3], encoded[4], encoded[5]);
|
||||
outptr[pixel_ptr-c->pic.linesize[0]+5] = get_r(encoded[3], encoded[5]);
|
||||
pixel_ptr += 6;
|
||||
encoded += 6;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
av_log(avctx, AV_LOG_ERROR, "BUG! Unknown imagetype in image decoder.\n");
|
||||
return -1;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
av_log(avctx, AV_LOG_ERROR, "BUG! Unknown imagetype in image decoder.\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
*data_size = sizeof(AVFrame);
|
||||
@ -546,85 +546,85 @@ static int decode_init(AVCodecContext *avctx)
|
||||
|
||||
/* Detect image type */
|
||||
switch (c->imgtype = *((char *)avctx->extradata + 4)) {
|
||||
case IMGTYPE_YUV111:
|
||||
c->decomp_size = basesize * 3;
|
||||
max_decomp_size = max_basesize * 3;
|
||||
av_log(avctx, AV_LOG_INFO, "Image type is YUV 1:1:1.\n");
|
||||
break;
|
||||
case IMGTYPE_YUV422:
|
||||
c->decomp_size = basesize * 2;
|
||||
max_decomp_size = max_basesize * 2;
|
||||
av_log(avctx, AV_LOG_INFO, "Image type is YUV 4:2:2.\n");
|
||||
break;
|
||||
case IMGTYPE_RGB24:
|
||||
c->decomp_size = basesize * 3;
|
||||
max_decomp_size = max_basesize * 3;
|
||||
av_log(avctx, AV_LOG_INFO, "Image type is RGB 24.\n");
|
||||
break;
|
||||
case IMGTYPE_YUV411:
|
||||
c->decomp_size = basesize / 2 * 3;
|
||||
max_decomp_size = max_basesize / 2 * 3;
|
||||
av_log(avctx, AV_LOG_INFO, "Image type is YUV 4:1:1.\n");
|
||||
break;
|
||||
case IMGTYPE_YUV211:
|
||||
c->decomp_size = basesize * 2;
|
||||
max_decomp_size = max_basesize * 2;
|
||||
av_log(avctx, AV_LOG_INFO, "Image type is YUV 2:1:1.\n");
|
||||
break;
|
||||
case IMGTYPE_YUV420:
|
||||
c->decomp_size = basesize / 2 * 3;
|
||||
max_decomp_size = max_basesize / 2 * 3;
|
||||
av_log(avctx, AV_LOG_INFO, "Image type is YUV 4:2:0.\n");
|
||||
break;
|
||||
default:
|
||||
av_log(avctx, AV_LOG_ERROR, "Unsupported image format %d.\n", c->imgtype);
|
||||
return 1;
|
||||
case IMGTYPE_YUV111:
|
||||
c->decomp_size = basesize * 3;
|
||||
max_decomp_size = max_basesize * 3;
|
||||
av_log(avctx, AV_LOG_INFO, "Image type is YUV 1:1:1.\n");
|
||||
break;
|
||||
case IMGTYPE_YUV422:
|
||||
c->decomp_size = basesize * 2;
|
||||
max_decomp_size = max_basesize * 2;
|
||||
av_log(avctx, AV_LOG_INFO, "Image type is YUV 4:2:2.\n");
|
||||
break;
|
||||
case IMGTYPE_RGB24:
|
||||
c->decomp_size = basesize * 3;
|
||||
max_decomp_size = max_basesize * 3;
|
||||
av_log(avctx, AV_LOG_INFO, "Image type is RGB 24.\n");
|
||||
break;
|
||||
case IMGTYPE_YUV411:
|
||||
c->decomp_size = basesize / 2 * 3;
|
||||
max_decomp_size = max_basesize / 2 * 3;
|
||||
av_log(avctx, AV_LOG_INFO, "Image type is YUV 4:1:1.\n");
|
||||
break;
|
||||
case IMGTYPE_YUV211:
|
||||
c->decomp_size = basesize * 2;
|
||||
max_decomp_size = max_basesize * 2;
|
||||
av_log(avctx, AV_LOG_INFO, "Image type is YUV 2:1:1.\n");
|
||||
break;
|
||||
case IMGTYPE_YUV420:
|
||||
c->decomp_size = basesize / 2 * 3;
|
||||
max_decomp_size = max_basesize / 2 * 3;
|
||||
av_log(avctx, AV_LOG_INFO, "Image type is YUV 4:2:0.\n");
|
||||
break;
|
||||
default:
|
||||
av_log(avctx, AV_LOG_ERROR, "Unsupported image format %d.\n", c->imgtype);
|
||||
return 1;
|
||||
}
|
||||
|
||||
/* Detect compression method */
|
||||
c->compression = *((char *)avctx->extradata + 5);
|
||||
switch (avctx->codec_id) {
|
||||
case CODEC_ID_MSZH:
|
||||
switch (c->compression) {
|
||||
case COMP_MSZH:
|
||||
av_log(avctx, AV_LOG_INFO, "Compression enabled.\n");
|
||||
break;
|
||||
case COMP_MSZH_NOCOMP:
|
||||
c->decomp_size = 0;
|
||||
av_log(avctx, AV_LOG_INFO, "No compression.\n");
|
||||
break;
|
||||
default:
|
||||
av_log(avctx, AV_LOG_ERROR, "Unsupported compression format for MSZH (%d).\n", c->compression);
|
||||
return 1;
|
||||
}
|
||||
case CODEC_ID_MSZH:
|
||||
switch (c->compression) {
|
||||
case COMP_MSZH:
|
||||
av_log(avctx, AV_LOG_INFO, "Compression enabled.\n");
|
||||
break;
|
||||
case CODEC_ID_ZLIB:
|
||||
#ifdef CONFIG_ZLIB
|
||||
switch (c->compression) {
|
||||
case COMP_ZLIB_HISPEED:
|
||||
av_log(avctx, AV_LOG_INFO, "High speed compression.\n");
|
||||
break;
|
||||
case COMP_ZLIB_HICOMP:
|
||||
av_log(avctx, AV_LOG_INFO, "High compression.\n");
|
||||
break;
|
||||
case COMP_ZLIB_NORMAL:
|
||||
av_log(avctx, AV_LOG_INFO, "Normal compression.\n");
|
||||
break;
|
||||
default:
|
||||
if ((c->compression < Z_NO_COMPRESSION) || (c->compression > Z_BEST_COMPRESSION)) {
|
||||
av_log(avctx, AV_LOG_ERROR, "Unsupported compression level for ZLIB: (%d).\n", c->compression);
|
||||
return 1;
|
||||
}
|
||||
av_log(avctx, AV_LOG_INFO, "Compression level for ZLIB: (%d).\n", c->compression);
|
||||
}
|
||||
#else
|
||||
av_log(avctx, AV_LOG_ERROR, "Zlib support not compiled.\n");
|
||||
return 1;
|
||||
#endif
|
||||
case COMP_MSZH_NOCOMP:
|
||||
c->decomp_size = 0;
|
||||
av_log(avctx, AV_LOG_INFO, "No compression.\n");
|
||||
break;
|
||||
default:
|
||||
av_log(avctx, AV_LOG_ERROR, "BUG! Unknown codec in compression switch.\n");
|
||||
av_log(avctx, AV_LOG_ERROR, "Unsupported compression format for MSZH (%d).\n", c->compression);
|
||||
return 1;
|
||||
}
|
||||
break;
|
||||
case CODEC_ID_ZLIB:
|
||||
#ifdef CONFIG_ZLIB
|
||||
switch (c->compression) {
|
||||
case COMP_ZLIB_HISPEED:
|
||||
av_log(avctx, AV_LOG_INFO, "High speed compression.\n");
|
||||
break;
|
||||
case COMP_ZLIB_HICOMP:
|
||||
av_log(avctx, AV_LOG_INFO, "High compression.\n");
|
||||
break;
|
||||
case COMP_ZLIB_NORMAL:
|
||||
av_log(avctx, AV_LOG_INFO, "Normal compression.\n");
|
||||
break;
|
||||
default:
|
||||
if ((c->compression < Z_NO_COMPRESSION) || (c->compression > Z_BEST_COMPRESSION)) {
|
||||
av_log(avctx, AV_LOG_ERROR, "Unsupported compression level for ZLIB: (%d).\n", c->compression);
|
||||
return 1;
|
||||
}
|
||||
av_log(avctx, AV_LOG_INFO, "Compression level for ZLIB: (%d).\n", c->compression);
|
||||
}
|
||||
#else
|
||||
av_log(avctx, AV_LOG_ERROR, "Zlib support not compiled.\n");
|
||||
return 1;
|
||||
#endif
|
||||
break;
|
||||
default:
|
||||
av_log(avctx, AV_LOG_ERROR, "BUG! Unknown codec in compression switch.\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
/* Allocate decompression buffer */
|
||||
@ -658,8 +658,8 @@ static int decode_init(AVCodecContext *avctx)
|
||||
return 1;
|
||||
}
|
||||
#else
|
||||
av_log(avctx, AV_LOG_ERROR, "Zlib support not compiled.\n");
|
||||
return 1;
|
||||
av_log(avctx, AV_LOG_ERROR, "Zlib support not compiled.\n");
|
||||
return 1;
|
||||
#endif
|
||||
}
|
||||
|
||||
@ -675,41 +675,41 @@ static int decode_init(AVCodecContext *avctx)
|
||||
*/
|
||||
static int decode_end(AVCodecContext *avctx)
|
||||
{
|
||||
LclDecContext * const c = avctx->priv_data;
|
||||
LclDecContext * const c = avctx->priv_data;
|
||||
|
||||
if (c->pic.data[0])
|
||||
avctx->release_buffer(avctx, &c->pic);
|
||||
if (c->pic.data[0])
|
||||
avctx->release_buffer(avctx, &c->pic);
|
||||
#ifdef CONFIG_ZLIB
|
||||
inflateEnd(&(c->zstream));
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_MSZH_DECODER
|
||||
AVCodec mszh_decoder = {
|
||||
"mszh",
|
||||
CODEC_TYPE_VIDEO,
|
||||
CODEC_ID_MSZH,
|
||||
sizeof(LclDecContext),
|
||||
decode_init,
|
||||
NULL,
|
||||
decode_end,
|
||||
decode_frame,
|
||||
CODEC_CAP_DR1,
|
||||
"mszh",
|
||||
CODEC_TYPE_VIDEO,
|
||||
CODEC_ID_MSZH,
|
||||
sizeof(LclDecContext),
|
||||
decode_init,
|
||||
NULL,
|
||||
decode_end,
|
||||
decode_frame,
|
||||
CODEC_CAP_DR1,
|
||||
};
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_ZLIB_DECODER
|
||||
AVCodec zlib_decoder = {
|
||||
"zlib",
|
||||
CODEC_TYPE_VIDEO,
|
||||
CODEC_ID_ZLIB,
|
||||
sizeof(LclDecContext),
|
||||
decode_init,
|
||||
NULL,
|
||||
decode_end,
|
||||
decode_frame,
|
||||
CODEC_CAP_DR1,
|
||||
"zlib",
|
||||
CODEC_TYPE_VIDEO,
|
||||
CODEC_ID_ZLIB,
|
||||
sizeof(LclDecContext),
|
||||
decode_init,
|
||||
NULL,
|
||||
decode_end,
|
||||
decode_frame,
|
||||
CODEC_CAP_DR1,
|
||||
};
|
||||
#endif
|
||||
|
||||
Loading…
Reference in New Issue
Block a user