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@ -18,51 +18,52 @@ |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "avcodec.h" |
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#include "bytestream.h" |
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#include "pnm.h" |
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static av_cold int common_init(AVCodecContext *avctx){ |
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static av_cold int common_init(AVCodecContext *avctx) |
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{ |
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PNMContext *s = avctx->priv_data; |
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avcodec_get_frame_defaults((AVFrame*)&s->picture); |
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avctx->coded_frame= (AVFrame*)&s->picture; |
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avctx->coded_frame = (AVFrame*)&s->picture; |
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return 0; |
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} |
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static int pnm_decode_frame(AVCodecContext *avctx, |
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void *data, int *data_size, |
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AVPacket *avpkt) |
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static int pnm_decode_frame(AVCodecContext *avctx, void *data, |
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int *data_size, AVPacket *avpkt) |
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{ |
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const uint8_t *buf = avpkt->data; |
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int buf_size = avpkt->size; |
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const uint8_t *buf = avpkt->data; |
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int buf_size = avpkt->size; |
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PNMContext * const s = avctx->priv_data; |
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AVFrame *picture = data; |
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AVFrame * const p= (AVFrame*)&s->picture; |
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AVFrame *picture = data; |
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AVFrame * const p = (AVFrame*)&s->picture; |
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int i, n, linesize, h, upgrade = 0; |
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unsigned char *ptr; |
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s->bytestream_start= |
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s->bytestream= buf; |
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s->bytestream_end= buf + buf_size; |
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s->bytestream_start = |
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s->bytestream = buf; |
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s->bytestream_end = buf + buf_size; |
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if(ff_pnm_decode_header(avctx, s) < 0) |
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if (ff_pnm_decode_header(avctx, s) < 0) |
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return -1; |
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if(p->data[0]) |
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if (p->data[0]) |
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avctx->release_buffer(avctx, p); |
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p->reference= 0; |
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if(avctx->get_buffer(avctx, p) < 0){ |
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p->reference = 0; |
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if (avctx->get_buffer(avctx, p) < 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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p->pict_type= FF_I_TYPE; |
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p->key_frame= 1; |
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p->pict_type = FF_I_TYPE; |
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p->key_frame = 1; |
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switch(avctx->pix_fmt) { |
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switch (avctx->pix_fmt) { |
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default: |
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return -1; |
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case PIX_FMT_RGB48BE: |
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@ -86,47 +87,47 @@ static int pnm_decode_frame(AVCodecContext *avctx, |
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case PIX_FMT_MONOBLACK: |
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n = (avctx->width + 7) >> 3; |
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do_read: |
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ptr = p->data[0]; |
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ptr = p->data[0]; |
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linesize = p->linesize[0]; |
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if(s->bytestream + n*avctx->height > s->bytestream_end) |
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if (s->bytestream + n * avctx->height > s->bytestream_end) |
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return -1; |
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for(i = 0; i < avctx->height; i++) { |
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for (i = 0; i < avctx->height; i++) { |
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if (!upgrade) |
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memcpy(ptr, s->bytestream, n); |
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else if (upgrade == 1) { |
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unsigned int j, f = (255*128 + s->maxval/2) / s->maxval; |
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for (j=0; j<n; j++) |
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unsigned int j, f = (255 * 128 + s->maxval / 2) / s->maxval; |
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for (j = 0; j < n; j++) |
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ptr[j] = (s->bytestream[j] * f + 64) >> 7; |
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} else if (upgrade == 2) { |
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unsigned int j, v, f = (65535*32768 + s->maxval/2) / s->maxval; |
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for (j=0; j<n/2; j++) { |
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unsigned int j, v, f = (65535 * 32768 + s->maxval / 2) / s->maxval; |
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for (j = 0; j < n / 2; j++) { |
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v = be2me_16(((uint16_t *)s->bytestream)[j]); |
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((uint16_t *)ptr)[j] = (v * f + 16384) >> 15; |
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} |
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} |
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s->bytestream += n; |
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ptr += linesize; |
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ptr += linesize; |
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} |
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break; |
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case PIX_FMT_YUV420P: |
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{ |
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unsigned char *ptr1, *ptr2; |
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n = avctx->width; |
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ptr = p->data[0]; |
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n = avctx->width; |
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ptr = p->data[0]; |
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linesize = p->linesize[0]; |
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if(s->bytestream + n*avctx->height*3/2 > s->bytestream_end) |
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if (s->bytestream + n * avctx->height * 3 / 2 > s->bytestream_end) |
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return -1; |
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for(i = 0; i < avctx->height; i++) { |
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for (i = 0; i < avctx->height; i++) { |
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memcpy(ptr, s->bytestream, n); |
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s->bytestream += n; |
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ptr += linesize; |
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ptr += linesize; |
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} |
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ptr1 = p->data[1]; |
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ptr2 = p->data[2]; |
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n >>= 1; |
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h = avctx->height >> 1; |
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for(i = 0; i < h; i++) { |
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for (i = 0; i < h; i++) { |
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memcpy(ptr1, s->bytestream, n); |
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s->bytestream += n; |
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memcpy(ptr2, s->bytestream, n); |
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@ -137,14 +138,14 @@ static int pnm_decode_frame(AVCodecContext *avctx, |
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} |
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break; |
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case PIX_FMT_RGB32: |
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ptr = p->data[0]; |
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ptr = p->data[0]; |
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linesize = p->linesize[0]; |
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if(s->bytestream + avctx->width*avctx->height*4 > s->bytestream_end) |
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if (s->bytestream + avctx->width * avctx->height * 4 > s->bytestream_end) |
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return -1; |
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for(i = 0; i < avctx->height; i++) { |
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for (i = 0; i < avctx->height; i++) { |
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int j, r, g, b, a; |
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for(j = 0;j < avctx->width; j++) { |
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for (j = 0; j < avctx->width; j++) { |
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r = *s->bytestream++; |
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g = *s->bytestream++; |
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b = *s->bytestream++; |
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@ -155,66 +156,67 @@ static int pnm_decode_frame(AVCodecContext *avctx, |
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} |
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break; |
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} |
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*picture= *(AVFrame*)&s->picture; |
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*picture = *(AVFrame*)&s->picture; |
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*data_size = sizeof(AVPicture); |
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return s->bytestream - s->bytestream_start; |
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} |
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static int pnm_encode_frame(AVCodecContext *avctx, unsigned char *outbuf, int buf_size, void *data){ |
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PNMContext *s = avctx->priv_data; |
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AVFrame *pict = data; |
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AVFrame * const p= (AVFrame*)&s->picture; |
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static int pnm_encode_frame(AVCodecContext *avctx, unsigned char *outbuf, |
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int buf_size, void *data) |
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{ |
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PNMContext *s = avctx->priv_data; |
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AVFrame *pict = data; |
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AVFrame * const p = (AVFrame*)&s->picture; |
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int i, h, h1, c, n, linesize; |
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uint8_t *ptr, *ptr1, *ptr2; |
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if(buf_size < avpicture_get_size(avctx->pix_fmt, avctx->width, avctx->height) + 200){ |
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if (buf_size < avpicture_get_size(avctx->pix_fmt, avctx->width, avctx->height) + 200) { |
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av_log(avctx, AV_LOG_ERROR, "encoded frame too large\n"); |
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return -1; |
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} |
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*p = *pict; |
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p->pict_type= FF_I_TYPE; |
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p->key_frame= 1; |
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*p = *pict; |
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p->pict_type = FF_I_TYPE; |
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p->key_frame = 1; |
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s->bytestream_start= |
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s->bytestream= outbuf; |
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s->bytestream_end= outbuf+buf_size; |
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s->bytestream_start = |
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s->bytestream = outbuf; |
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s->bytestream_end = outbuf + buf_size; |
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h = avctx->height; |
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h = avctx->height; |
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h1 = h; |
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switch(avctx->pix_fmt) { |
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switch (avctx->pix_fmt) { |
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case PIX_FMT_MONOWHITE: |
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c = '4'; |
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n = (avctx->width + 7) >> 3; |
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c = '4'; |
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n = (avctx->width + 7) >> 3; |
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break; |
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case PIX_FMT_GRAY8: |
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c = '5'; |
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n = avctx->width; |
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c = '5'; |
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n = avctx->width; |
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break; |
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case PIX_FMT_GRAY16BE: |
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c = '5'; |
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n = avctx->width * 2; |
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c = '5'; |
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n = avctx->width * 2; |
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break; |
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case PIX_FMT_RGB24: |
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c = '6'; |
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n = avctx->width * 3; |
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c = '6'; |
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n = avctx->width * 3; |
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break; |
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case PIX_FMT_RGB48BE: |
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c = '6'; |
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n = avctx->width * 6; |
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c = '6'; |
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n = avctx->width * 6; |
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break; |
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case PIX_FMT_YUV420P: |
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c = '5'; |
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n = avctx->width; |
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c = '5'; |
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n = avctx->width; |
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h1 = (h * 3) / 2; |
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break; |
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default: |
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return -1; |
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} |
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snprintf(s->bytestream, s->bytestream_end - s->bytestream, |
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"P%c\n%d %d\n", |
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c, avctx->width, h1); |
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"P%c\n%d %d\n", c, avctx->width, h1); |
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s->bytestream += strlen(s->bytestream); |
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if (avctx->pix_fmt != PIX_FMT_MONOWHITE) { |
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snprintf(s->bytestream, s->bytestream_end - s->bytestream, |
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@ -222,12 +224,12 @@ static int pnm_encode_frame(AVCodecContext *avctx, unsigned char *outbuf, int bu |
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s->bytestream += strlen(s->bytestream); |
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} |
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ptr = p->data[0]; |
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ptr = p->data[0]; |
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linesize = p->linesize[0]; |
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for(i=0;i<h;i++) { |
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for (i = 0; i < h; i++) { |
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memcpy(s->bytestream, ptr, n); |
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s->bytestream += n; |
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ptr += linesize; |
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ptr += linesize; |
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} |
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if (avctx->pix_fmt == PIX_FMT_YUV420P) { |
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@ -235,7 +237,7 @@ static int pnm_encode_frame(AVCodecContext *avctx, unsigned char *outbuf, int bu |
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n >>= 1; |
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ptr1 = p->data[1]; |
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ptr2 = p->data[2]; |
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for(i=0;i<h;i++) { |
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for (i = 0; i < h; i++) { |
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memcpy(s->bytestream, ptr1, n); |
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s->bytestream += n; |
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memcpy(s->bytestream, ptr2, n); |
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@ -247,52 +249,54 @@ static int pnm_encode_frame(AVCodecContext *avctx, unsigned char *outbuf, int bu |
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return s->bytestream - s->bytestream_start; |
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} |
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static int pam_encode_frame(AVCodecContext *avctx, unsigned char *outbuf, int buf_size, void *data){ |
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PNMContext *s = avctx->priv_data; |
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AVFrame *pict = data; |
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AVFrame * const p= (AVFrame*)&s->picture; |
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static int pam_encode_frame(AVCodecContext *avctx, unsigned char *outbuf, |
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int buf_size, void *data) |
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{ |
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PNMContext *s = avctx->priv_data; |
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AVFrame *pict = data; |
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AVFrame * const p = (AVFrame*)&s->picture; |
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int i, h, w, n, linesize, depth, maxval; |
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const char *tuple_type; |
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uint8_t *ptr; |
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if(buf_size < avpicture_get_size(avctx->pix_fmt, avctx->width, avctx->height) + 200){ |
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if (buf_size < avpicture_get_size(avctx->pix_fmt, avctx->width, avctx->height) + 200) { |
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av_log(avctx, AV_LOG_ERROR, "encoded frame too large\n"); |
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return -1; |
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} |
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*p = *pict; |
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p->pict_type= FF_I_TYPE; |
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p->key_frame= 1; |
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*p = *pict; |
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p->pict_type = FF_I_TYPE; |
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p->key_frame = 1; |
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s->bytestream_start= |
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s->bytestream= outbuf; |
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s->bytestream_end= outbuf+buf_size; |
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s->bytestream_start = |
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s->bytestream = outbuf; |
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s->bytestream_end = outbuf+buf_size; |
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h = avctx->height; |
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w = avctx->width; |
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switch(avctx->pix_fmt) { |
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switch (avctx->pix_fmt) { |
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case PIX_FMT_MONOWHITE: |
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n = (w + 7) >> 3; |
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depth = 1; |
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maxval = 1; |
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n = (w + 7) >> 3; |
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depth = 1; |
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maxval = 1; |
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tuple_type = "BLACKANDWHITE"; |
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break; |
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case PIX_FMT_GRAY8: |
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n = w; |
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depth = 1; |
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maxval = 255; |
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n = w; |
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depth = 1; |
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maxval = 255; |
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tuple_type = "GRAYSCALE"; |
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break; |
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case PIX_FMT_RGB24: |
|
|
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|
n = w * 3; |
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|
depth = 3; |
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maxval = 255; |
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n = w * 3; |
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depth = 3; |
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maxval = 255; |
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tuple_type = "RGB"; |
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break; |
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case PIX_FMT_RGB32: |
|
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|
n = w * 4; |
|
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|
depth = 4; |
|
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|
maxval = 255; |
|
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n = w * 4; |
|
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depth = 4; |
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maxval = 255; |
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tuple_type = "RGB_ALPHA"; |
|
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|
break; |
|
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|
|
default: |
|
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|
@ -303,15 +307,15 @@ static int pam_encode_frame(AVCodecContext *avctx, unsigned char *outbuf, int bu |
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|
w, h, depth, maxval, tuple_type); |
|
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|
s->bytestream += strlen(s->bytestream); |
|
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|
|
|
|
|
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|
ptr = p->data[0]; |
|
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|
ptr = p->data[0]; |
|
|
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|
linesize = p->linesize[0]; |
|
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|
|
|
|
|
|
|
if (avctx->pix_fmt == PIX_FMT_RGB32) { |
|
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|
|
int j; |
|
|
|
|
unsigned int v; |
|
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|
|
|
|
|
|
|
for(i=0;i<h;i++) { |
|
|
|
|
for(j=0;j<w;j++) { |
|
|
|
|
for (i = 0; i < h; i++) { |
|
|
|
|
for (j = 0; j < w; j++) { |
|
|
|
|
v = ((uint32_t *)ptr)[j]; |
|
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|
|
bytestream_put_be24(&s->bytestream, v); |
|
|
|
|
*s->bytestream++ = v >> 24; |
|
|
|
@ -319,16 +323,17 @@ static int pam_encode_frame(AVCodecContext *avctx, unsigned char *outbuf, int bu |
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|
|
|
ptr += linesize; |
|
|
|
|
} |
|
|
|
|
} else { |
|
|
|
|
for(i=0;i<h;i++) { |
|
|
|
|
for (i = 0; i < h; i++) { |
|
|
|
|
memcpy(s->bytestream, ptr, n); |
|
|
|
|
s->bytestream += n; |
|
|
|
|
ptr += linesize; |
|
|
|
|
ptr += linesize; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
return s->bytestream - s->bytestream_start; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
static av_cold int common_end(AVCodecContext *avctx){ |
|
|
|
|
static av_cold int common_end(AVCodecContext *avctx) |
|
|
|
|
{ |
|
|
|
|
PNMContext *s = avctx->priv_data; |
|
|
|
|
|
|
|
|
|
if (s->picture.data[0]) |
|
|
|
@ -349,8 +354,8 @@ AVCodec pgm_decoder = { |
|
|
|
|
common_end, |
|
|
|
|
pnm_decode_frame, |
|
|
|
|
CODEC_CAP_DR1, |
|
|
|
|
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_GRAY8, PIX_FMT_GRAY16BE, PIX_FMT_NONE}, |
|
|
|
|
.long_name= NULL_IF_CONFIG_SMALL("PGM (Portable GrayMap) image"), |
|
|
|
|
.pix_fmts = (const enum PixelFormat[]){PIX_FMT_GRAY8, PIX_FMT_GRAY16BE, PIX_FMT_NONE}, |
|
|
|
|
.long_name = NULL_IF_CONFIG_SMALL("PGM (Portable GrayMap) image"), |
|
|
|
|
}; |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
@ -362,10 +367,10 @@ AVCodec pgm_encoder = { |
|
|
|
|
sizeof(PNMContext), |
|
|
|
|
common_init, |
|
|
|
|
pnm_encode_frame, |
|
|
|
|
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_GRAY8, PIX_FMT_GRAY16BE, PIX_FMT_NONE}, |
|
|
|
|
.long_name= NULL_IF_CONFIG_SMALL("PGM (Portable GrayMap) image"), |
|
|
|
|
.pix_fmts = (const enum PixelFormat[]){PIX_FMT_GRAY8, PIX_FMT_GRAY16BE, PIX_FMT_NONE}, |
|
|
|
|
.long_name = NULL_IF_CONFIG_SMALL("PGM (Portable GrayMap) image"), |
|
|
|
|
}; |
|
|
|
|
#endif // CONFIG_PGM_ENCODER
|
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
#if CONFIG_PGMYUV_DECODER |
|
|
|
|
AVCodec pgmyuv_decoder = { |
|
|
|
@ -378,8 +383,8 @@ AVCodec pgmyuv_decoder = { |
|
|
|
|
common_end, |
|
|
|
|
pnm_decode_frame, |
|
|
|
|
CODEC_CAP_DR1, |
|
|
|
|
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE}, |
|
|
|
|
.long_name= NULL_IF_CONFIG_SMALL("PGMYUV (Portable GrayMap YUV) image"), |
|
|
|
|
.pix_fmts = (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE}, |
|
|
|
|
.long_name = NULL_IF_CONFIG_SMALL("PGMYUV (Portable GrayMap YUV) image"), |
|
|
|
|
}; |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
@ -391,10 +396,10 @@ AVCodec pgmyuv_encoder = { |
|
|
|
|
sizeof(PNMContext), |
|
|
|
|
common_init, |
|
|
|
|
pnm_encode_frame, |
|
|
|
|
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE}, |
|
|
|
|
.long_name= NULL_IF_CONFIG_SMALL("PGMYUV (Portable GrayMap YUV) image"), |
|
|
|
|
.pix_fmts = (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE}, |
|
|
|
|
.long_name = NULL_IF_CONFIG_SMALL("PGMYUV (Portable GrayMap YUV) image"), |
|
|
|
|
}; |
|
|
|
|
#endif // CONFIG_PGMYUV_ENCODER
|
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
#if CONFIG_PPM_DECODER |
|
|
|
|
AVCodec ppm_decoder = { |
|
|
|
@ -407,8 +412,8 @@ AVCodec ppm_decoder = { |
|
|
|
|
common_end, |
|
|
|
|
pnm_decode_frame, |
|
|
|
|
CODEC_CAP_DR1, |
|
|
|
|
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_RGB24, PIX_FMT_RGB48BE, PIX_FMT_NONE}, |
|
|
|
|
.long_name= NULL_IF_CONFIG_SMALL("PPM (Portable PixelMap) image"), |
|
|
|
|
.pix_fmts = (const enum PixelFormat[]){PIX_FMT_RGB24, PIX_FMT_RGB48BE, PIX_FMT_NONE}, |
|
|
|
|
.long_name = NULL_IF_CONFIG_SMALL("PPM (Portable PixelMap) image"), |
|
|
|
|
}; |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
@ -420,10 +425,10 @@ AVCodec ppm_encoder = { |
|
|
|
|
sizeof(PNMContext), |
|
|
|
|
common_init, |
|
|
|
|
pnm_encode_frame, |
|
|
|
|
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_RGB24, PIX_FMT_RGB48BE, PIX_FMT_NONE}, |
|
|
|
|
.long_name= NULL_IF_CONFIG_SMALL("PPM (Portable PixelMap) image"), |
|
|
|
|
.pix_fmts = (const enum PixelFormat[]){PIX_FMT_RGB24, PIX_FMT_RGB48BE, PIX_FMT_NONE}, |
|
|
|
|
.long_name = NULL_IF_CONFIG_SMALL("PPM (Portable PixelMap) image"), |
|
|
|
|
}; |
|
|
|
|
#endif // CONFIG_PPM_ENCODER
|
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
#if CONFIG_PBM_DECODER |
|
|
|
|
AVCodec pbm_decoder = { |
|
|
|
@ -436,8 +441,8 @@ AVCodec pbm_decoder = { |
|
|
|
|
common_end, |
|
|
|
|
pnm_decode_frame, |
|
|
|
|
CODEC_CAP_DR1, |
|
|
|
|
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_MONOWHITE, PIX_FMT_NONE}, |
|
|
|
|
.long_name= NULL_IF_CONFIG_SMALL("PBM (Portable BitMap) image"), |
|
|
|
|
.pix_fmts = (const enum PixelFormat[]){PIX_FMT_MONOWHITE, PIX_FMT_NONE}, |
|
|
|
|
.long_name = NULL_IF_CONFIG_SMALL("PBM (Portable BitMap) image"), |
|
|
|
|
}; |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
@ -449,10 +454,10 @@ AVCodec pbm_encoder = { |
|
|
|
|
sizeof(PNMContext), |
|
|
|
|
common_init, |
|
|
|
|
pnm_encode_frame, |
|
|
|
|
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_MONOWHITE, PIX_FMT_NONE}, |
|
|
|
|
.long_name= NULL_IF_CONFIG_SMALL("PBM (Portable BitMap) image"), |
|
|
|
|
.pix_fmts = (const enum PixelFormat[]){PIX_FMT_MONOWHITE, PIX_FMT_NONE}, |
|
|
|
|
.long_name = NULL_IF_CONFIG_SMALL("PBM (Portable BitMap) image"), |
|
|
|
|
}; |
|
|
|
|
#endif // CONFIG_PBM_ENCODER
|
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
#if CONFIG_PAM_DECODER |
|
|
|
|
AVCodec pam_decoder = { |
|
|
|
@ -465,8 +470,8 @@ AVCodec pam_decoder = { |
|
|
|
|
common_end, |
|
|
|
|
pnm_decode_frame, |
|
|
|
|
CODEC_CAP_DR1, |
|
|
|
|
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_RGB24, PIX_FMT_RGB32, PIX_FMT_GRAY8, PIX_FMT_MONOWHITE, PIX_FMT_NONE}, |
|
|
|
|
.long_name= NULL_IF_CONFIG_SMALL("PAM (Portable AnyMap) image"), |
|
|
|
|
.pix_fmts = (const enum PixelFormat[]){PIX_FMT_RGB24, PIX_FMT_RGB32, PIX_FMT_GRAY8, PIX_FMT_MONOWHITE, PIX_FMT_NONE}, |
|
|
|
|
.long_name = NULL_IF_CONFIG_SMALL("PAM (Portable AnyMap) image"), |
|
|
|
|
}; |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
@ -478,7 +483,7 @@ AVCodec pam_encoder = { |
|
|
|
|
sizeof(PNMContext), |
|
|
|
|
common_init, |
|
|
|
|
pam_encode_frame, |
|
|
|
|
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_RGB24, PIX_FMT_RGB32, PIX_FMT_GRAY8, PIX_FMT_MONOWHITE, PIX_FMT_NONE}, |
|
|
|
|
.long_name= NULL_IF_CONFIG_SMALL("PAM (Portable AnyMap) image"), |
|
|
|
|
.pix_fmts = (const enum PixelFormat[]){PIX_FMT_RGB24, PIX_FMT_RGB32, PIX_FMT_GRAY8, PIX_FMT_MONOWHITE, PIX_FMT_NONE}, |
|
|
|
|
.long_name = NULL_IF_CONFIG_SMALL("PAM (Portable AnyMap) image"), |
|
|
|
|
}; |
|
|
|
|
#endif // CONFIG_PAM_ENCODER
|
|
|
|
|
#endif |
|
|
|
|