*/
/**
- * @file libavcodec/utils.c
+ * @file
* utils.
*/
-/* needed for mkstemp() */
-#define _XOPEN_SOURCE 600
-
#include "libavutil/avstring.h"
#include "libavutil/integer.h"
#include "libavutil/crc.h"
+#include "libavutil/pixdesc.h"
+#include "libavcore/imgutils.h"
#include "avcodec.h"
#include "dsputil.h"
#include "opt.h"
#include <stdarg.h>
#include <limits.h>
#include <float.h>
-#if !HAVE_MKSTEMP
-#include <fcntl.h>
-#endif
static int volatile entangled_thread_counter=0;
int (*ff_lockmgr_cb)(void **mutex, enum AVLockOp op);
}
#endif
+unsigned avcodec_get_edge_width(void)
+{
+ return EDGE_WIDTH;
+}
+
void avcodec_set_dimensions(AVCodecContext *s, int width, int height){
s->coded_width = width;
s->coded_height= height;
#define INTERNAL_BUFFER_SIZE 32
-void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height){
+void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height, int linesize_align[4]){
int w_align= 1;
int h_align= 1;
*height= FFALIGN(*height, h_align);
if(s->codec_id == CODEC_ID_H264)
*height+=2; // some of the optimized chroma MC reads one line too much
+
+ linesize_align[0] =
+ linesize_align[1] =
+ linesize_align[2] =
+ linesize_align[3] = STRIDE_ALIGN;
+//STRIDE_ALIGN is 8 for SSE* but this does not work for SVQ1 chroma planes
+//we could change STRIDE_ALIGN to 16 for x86/sse but it would increase the
+//picture size unneccessarily in some cases. The solution here is not
+//pretty and better ideas are welcome!
+#if HAVE_MMX
+ if(s->codec_id == CODEC_ID_SVQ1 || s->codec_id == CODEC_ID_VP5 ||
+ s->codec_id == CODEC_ID_VP6 || s->codec_id == CODEC_ID_VP6F ||
+ s->codec_id == CODEC_ID_VP6A) {
+ linesize_align[0] =
+ linesize_align[1] =
+ linesize_align[2] = 16;
+ }
+#endif
}
-int avcodec_check_dimensions(void *av_log_ctx, unsigned int w, unsigned int h){
- if((int)w>0 && (int)h>0 && (w+128)*(uint64_t)(h+128) < INT_MAX/8)
- return 0;
+void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height){
+ int chroma_shift = av_pix_fmt_descriptors[s->pix_fmt].log2_chroma_w;
+ int linesize_align[4];
+ int align;
+ avcodec_align_dimensions2(s, width, height, linesize_align);
+ align = FFMAX(linesize_align[0], linesize_align[3]);
+ linesize_align[1] <<= chroma_shift;
+ linesize_align[2] <<= chroma_shift;
+ align = FFMAX3(align, linesize_align[1], linesize_align[2]);
+ *width=FFALIGN(*width, align);
+}
- av_log(av_log_ctx, AV_LOG_ERROR, "picture size invalid (%ux%u)\n", w, h);
- return -1;
+#if LIBAVCODEC_VERSION_MAJOR < 53
+int avcodec_check_dimensions(void *av_log_ctx, unsigned int w, unsigned int h){
+ return av_check_image_size(w, h, 0, av_log_ctx);
}
+#endif
int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic){
int i;
return -1;
}
- if(avcodec_check_dimensions(s,w,h))
+ if(av_check_image_size(w, h, 0, s))
return -1;
if(s->internal_buffer==NULL){
avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
- avcodec_align_dimensions(s, &w, &h);
+ avcodec_align_dimensions2(s, &w, &h, stride_align);
if(!(s->flags&CODEC_FLAG_EMU_EDGE)){
w+= EDGE_WIDTH*2;
do {
// NOTE: do not align linesizes individually, this breaks e.g. assumptions
// that linesize[0] == 2*linesize[1] in the MPEG-encoder for 4:2:2
- ff_fill_linesize(&picture, s->pix_fmt, w);
+ av_fill_image_linesizes(picture.linesize, s->pix_fmt, w);
// increase alignment of w for next try (rhs gives the lowest bit set in w)
w += w & ~(w-1);
unaligned = 0;
for (i=0; i<4; i++){
-//STRIDE_ALIGN is 8 for SSE* but this does not work for SVQ1 chroma planes
-//we could change STRIDE_ALIGN to 16 for x86/sse but it would increase the
-//picture size unneccessarily in some cases. The solution here is not
-//pretty and better ideas are welcome!
-#if HAVE_MMX
- if(s->codec_id == CODEC_ID_SVQ1)
- stride_align[i]= 16;
- else
-#endif
- stride_align[i] = STRIDE_ALIGN;
unaligned |= picture.linesize[i] % stride_align[i];
}
} while (unaligned);
- tmpsize = ff_fill_pointer(&picture, NULL, s->pix_fmt, h);
+ tmpsize = av_fill_image_pointers(picture.data, s->pix_fmt, h, NULL, picture.linesize);
if (tmpsize < 0)
return -1;
if(buf->base[i]==NULL) return -1;
memset(buf->base[i], 128, size[i]);
- // no edge if EDEG EMU or not planar YUV
+ // no edge if EDGE EMU or not planar YUV
if((s->flags&CODEC_FLAG_EMU_EDGE) || !size[2])
buf->data[i] = buf->base[i];
else
#define SANE_NB_CHANNELS 128U
if (((avctx->coded_width || avctx->coded_height)
- && avcodec_check_dimensions(avctx, avctx->coded_width, avctx->coded_height))
+ && av_check_image_size(avctx->coded_width, avctx->coded_height, 0, avctx))
|| avctx->channels > SANE_NB_CHANNELS) {
ret = AVERROR(EINVAL);
goto free_and_end;
}
avctx->codec = codec;
- if ((avctx->codec_type == CODEC_TYPE_UNKNOWN || avctx->codec_type == codec->type) &&
+ if ((avctx->codec_type == AVMEDIA_TYPE_UNKNOWN || avctx->codec_type == codec->type) &&
avctx->codec_id == CODEC_ID_NONE) {
avctx->codec_type = codec->type;
avctx->codec_id = codec->id;
}
avctx->frame_number = 0;
if(avctx->codec->init){
+ if(avctx->codec_type == AVMEDIA_TYPE_VIDEO &&
+ avctx->codec->max_lowres < avctx->lowres){
+ av_log(avctx, AV_LOG_ERROR, "The maximum value for lowres supported by the decoder is %d\n",
+ avctx->codec->max_lowres);
+ goto free_and_end;
+ }
+
ret = avctx->codec->init(avctx);
if (ret < 0) {
goto free_and_end;
av_log(avctx, AV_LOG_ERROR, "buffer smaller than minimum size\n");
return -1;
}
- if(avcodec_check_dimensions(avctx,avctx->width,avctx->height))
+ if(av_check_image_size(avctx->width, avctx->height, 0, avctx))
return -1;
if((avctx->codec->capabilities & CODEC_CAP_DELAY) || pict){
int ret = avctx->codec->encode(avctx, buf, buf_size, pict);
int ret;
*got_picture_ptr= 0;
- if((avctx->coded_width||avctx->coded_height) && avcodec_check_dimensions(avctx,avctx->coded_width,avctx->coded_height))
+ if((avctx->coded_width||avctx->coded_height) && av_check_image_size(avctx->coded_width, avctx->coded_height, 0, avctx))
return -1;
if((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size){
ret = avctx->codec->decode(avctx, picture, got_picture_ptr,
return ret;
}
+void avsubtitle_free(AVSubtitle *sub)
+{
+ int i;
+
+ for (i = 0; i < sub->num_rects; i++)
+ {
+ av_freep(&sub->rects[i]->pict.data[0]);
+ av_freep(&sub->rects[i]->pict.data[1]);
+ av_freep(&sub->rects[i]->pict.data[2]);
+ av_freep(&sub->rects[i]->pict.data[3]);
+ av_freep(&sub->rects[i]->text);
+ av_freep(&sub->rects[i]->ass);
+ av_freep(&sub->rects[i]);
+ }
+
+ av_freep(&sub->rects);
+
+ memset(sub, 0, sizeof(AVSubtitle));
+}
+
av_cold int avcodec_close(AVCodecContext *avctx)
{
/* If there is a user-supplied mutex locking routine, call it. */
if (avctx->codec && avctx->codec->close)
avctx->codec->close(avctx);
avcodec_default_free_buffers(avctx);
+ avctx->coded_frame = NULL;
av_freep(&avctx->priv_data);
+ if(avctx->codec && avctx->codec->encode)
+ av_freep(&avctx->extradata);
avctx->codec = NULL;
entangled_thread_counter--;
AVCodec *avcodec_find_encoder(enum CodecID id)
{
- AVCodec *p;
+ AVCodec *p, *experimental=NULL;
p = first_avcodec;
while (p) {
- if (p->encode != NULL && p->id == id)
- return p;
+ if (p->encode != NULL && p->id == id) {
+ if (p->capabilities & CODEC_CAP_EXPERIMENTAL && !experimental) {
+ experimental = p;
+ } else
+ return p;
+ }
p = p->next;
}
- return NULL;
+ return experimental;
}
AVCodec *avcodec_find_encoder_by_name(const char *name)
return NULL;
}
-int av_get_bit_rate(AVCodecContext *ctx)
+static int get_bit_rate(AVCodecContext *ctx)
{
int bit_rate;
int bits_per_sample;
switch(ctx->codec_type) {
- case CODEC_TYPE_VIDEO:
+ case AVMEDIA_TYPE_VIDEO:
+ case AVMEDIA_TYPE_DATA:
+ case AVMEDIA_TYPE_SUBTITLE:
+ case AVMEDIA_TYPE_ATTACHMENT:
bit_rate = ctx->bit_rate;
break;
- case CODEC_TYPE_AUDIO:
+ case AVMEDIA_TYPE_AUDIO:
bits_per_sample = av_get_bits_per_sample(ctx->codec_id);
bit_rate = bits_per_sample ? ctx->sample_rate * ctx->channels * bits_per_sample : ctx->bit_rate;
break;
- case CODEC_TYPE_DATA:
- bit_rate = ctx->bit_rate;
- break;
- case CODEC_TYPE_SUBTITLE:
- bit_rate = ctx->bit_rate;
- break;
- case CODEC_TYPE_ATTACHMENT:
- bit_rate = ctx->bit_rate;
- break;
default:
bit_rate = 0;
break;
return bit_rate;
}
+size_t av_get_codec_tag_string(char *buf, size_t buf_size, unsigned int codec_tag)
+{
+ int i, len, ret = 0;
+
+ for (i = 0; i < 4; i++) {
+ len = snprintf(buf, buf_size,
+ isprint(codec_tag&0xFF) ? "%c" : "[%d]", codec_tag&0xFF);
+ buf += len;
+ buf_size = buf_size > len ? buf_size - len : 0;
+ ret += len;
+ codec_tag>>=8;
+ }
+ return ret;
+}
+
void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
{
const char *codec_name;
codec_name = enc->codec_name;
} else {
/* output avi tags */
- if( isprint(enc->codec_tag&0xFF) && isprint((enc->codec_tag>>8)&0xFF)
- && isprint((enc->codec_tag>>16)&0xFF) && isprint((enc->codec_tag>>24)&0xFF)){
- snprintf(buf1, sizeof(buf1), "%c%c%c%c / 0x%04X",
- enc->codec_tag & 0xff,
- (enc->codec_tag >> 8) & 0xff,
- (enc->codec_tag >> 16) & 0xff,
- (enc->codec_tag >> 24) & 0xff,
- enc->codec_tag);
- } else {
- snprintf(buf1, sizeof(buf1), "0x%04x", enc->codec_tag);
- }
+ char tag_buf[32];
+ av_get_codec_tag_string(tag_buf, sizeof(tag_buf), enc->codec_tag);
+ snprintf(buf1, sizeof(buf1), "%s / 0x%04X", tag_buf, enc->codec_tag);
codec_name = buf1;
}
switch(enc->codec_type) {
- case CODEC_TYPE_VIDEO:
+ case AVMEDIA_TYPE_VIDEO:
snprintf(buf, buf_size,
"Video: %s%s",
codec_name, enc->mb_decision ? " (hq)" : "");
", q=%d-%d", enc->qmin, enc->qmax);
}
break;
- case CODEC_TYPE_AUDIO:
+ case AVMEDIA_TYPE_AUDIO:
snprintf(buf, buf_size,
"Audio: %s",
codec_name);
", %s", avcodec_get_sample_fmt_name(enc->sample_fmt));
}
break;
- case CODEC_TYPE_DATA:
+ case AVMEDIA_TYPE_DATA:
snprintf(buf, buf_size, "Data: %s", codec_name);
break;
- case CODEC_TYPE_SUBTITLE:
+ case AVMEDIA_TYPE_SUBTITLE:
snprintf(buf, buf_size, "Subtitle: %s", codec_name);
break;
- case CODEC_TYPE_ATTACHMENT:
+ case AVMEDIA_TYPE_ATTACHMENT:
snprintf(buf, buf_size, "Attachment: %s", codec_name);
break;
default:
snprintf(buf + strlen(buf), buf_size - strlen(buf),
", pass 2");
}
- bitrate = av_get_bit_rate(enc);
+ bitrate = get_bit_rate(enc);
if (bitrate != 0) {
snprintf(buf + strlen(buf), buf_size - strlen(buf),
", %d kb/s", bitrate / 1000);
return n;
}
-/* Wrapper to work around the lack of mkstemp() on mingw/cygin.
- * Also, tries to create file in /tmp first, if possible.
- * *prefix can be a character constant; *filename will be allocated internally.
- * Returns file descriptor of opened file (or -1 on error)
- * and opened file name in **filename. */
-int av_tempfile(char *prefix, char **filename) {
- int fd=-1;
-#if !HAVE_MKSTEMP
- *filename = tempnam(".", prefix);
-#else
- size_t len = strlen(prefix) + 12; /* room for "/tmp/" and "XXXXXX\0" */
- *filename = av_malloc(len);
-#endif
- /* -----common section-----*/
- if (*filename == NULL) {
- av_log(NULL, AV_LOG_ERROR, "ff_tempfile: Cannot allocate file name\n");
- return -1;
- }
-#if !HAVE_MKSTEMP
- fd = open(*filename, O_RDWR | O_BINARY | O_CREAT, 0444);
-#else
- snprintf(*filename, len, "/tmp/%sXXXXXX", prefix);
- fd = mkstemp(*filename);
- if (fd < 0) {
- snprintf(*filename, len, "./%sXXXXXX", prefix);
- fd = mkstemp(*filename);
- }
-#endif
- /* -----common section-----*/
- if (fd < 0) {
- av_log(NULL, AV_LOG_ERROR, "ff_tempfile: Cannot open temporary file %s\n", *filename);
- return -1;
- }
- return fd; /* success */
-}
-
-typedef struct {
- const char *abbr;
- int width, height;
-} VideoFrameSizeAbbr;
-
-typedef struct {
- const char *abbr;
- int rate_num, rate_den;
-} VideoFrameRateAbbr;
-
-static const VideoFrameSizeAbbr video_frame_size_abbrs[] = {
- { "ntsc", 720, 480 },
- { "pal", 720, 576 },
- { "qntsc", 352, 240 }, /* VCD compliant NTSC */
- { "qpal", 352, 288 }, /* VCD compliant PAL */
- { "sntsc", 640, 480 }, /* square pixel NTSC */
- { "spal", 768, 576 }, /* square pixel PAL */
- { "film", 352, 240 },
- { "ntsc-film", 352, 240 },
- { "sqcif", 128, 96 },
- { "qcif", 176, 144 },
- { "cif", 352, 288 },
- { "4cif", 704, 576 },
- { "16cif", 1408,1152 },
- { "qqvga", 160, 120 },
- { "qvga", 320, 240 },
- { "vga", 640, 480 },
- { "svga", 800, 600 },
- { "xga", 1024, 768 },
- { "uxga", 1600,1200 },
- { "qxga", 2048,1536 },
- { "sxga", 1280,1024 },
- { "qsxga", 2560,2048 },
- { "hsxga", 5120,4096 },
- { "wvga", 852, 480 },
- { "wxga", 1366, 768 },
- { "wsxga", 1600,1024 },
- { "wuxga", 1920,1200 },
- { "woxga", 2560,1600 },
- { "wqsxga", 3200,2048 },
- { "wquxga", 3840,2400 },
- { "whsxga", 6400,4096 },
- { "whuxga", 7680,4800 },
- { "cga", 320, 200 },
- { "ega", 640, 350 },
- { "hd480", 852, 480 },
- { "hd720", 1280, 720 },
- { "hd1080", 1920,1080 },
-};
-
-static const VideoFrameRateAbbr video_frame_rate_abbrs[]= {
- { "ntsc", 30000, 1001 },
- { "pal", 25, 1 },
- { "qntsc", 30000, 1001 }, /* VCD compliant NTSC */
- { "qpal", 25, 1 }, /* VCD compliant PAL */
- { "sntsc", 30000, 1001 }, /* square pixel NTSC */
- { "spal", 25, 1 }, /* square pixel PAL */
- { "film", 24, 1 },
- { "ntsc-film", 24000, 1001 },
-};
+#if LIBAVCODEC_VERSION_MAJOR < 53
+#include "libavcore/parseutils.h"
int av_parse_video_frame_size(int *width_ptr, int *height_ptr, const char *str)
{
- int i;
- int n = FF_ARRAY_ELEMS(video_frame_size_abbrs);
- char *p;
- int frame_width = 0, frame_height = 0;
-
- for(i=0;i<n;i++) {
- if (!strcmp(video_frame_size_abbrs[i].abbr, str)) {
- frame_width = video_frame_size_abbrs[i].width;
- frame_height = video_frame_size_abbrs[i].height;
- break;
- }
- }
- if (i == n) {
- p = str;
- frame_width = strtol(p, &p, 10);
- if (*p)
- p++;
- frame_height = strtol(p, &p, 10);
- }
- if (frame_width <= 0 || frame_height <= 0)
- return -1;
- *width_ptr = frame_width;
- *height_ptr = frame_height;
- return 0;
+ return av_parse_video_size(width_ptr, height_ptr, str);
}
int av_parse_video_frame_rate(AVRational *frame_rate, const char *arg)
{
- int i;
- int n = FF_ARRAY_ELEMS(video_frame_rate_abbrs);
- char* cp;
-
- /* First, we check our abbreviation table */
- for (i = 0; i < n; ++i)
- if (!strcmp(video_frame_rate_abbrs[i].abbr, arg)) {
- frame_rate->num = video_frame_rate_abbrs[i].rate_num;
- frame_rate->den = video_frame_rate_abbrs[i].rate_den;
- return 0;
- }
-
- /* Then, we try to parse it as fraction */
- cp = strchr(arg, '/');
- if (!cp)
- cp = strchr(arg, ':');
- if (cp) {
- char* cpp;
- frame_rate->num = strtol(arg, &cpp, 10);
- if (cpp != arg || cpp == cp)
- frame_rate->den = strtol(cp+1, &cpp, 10);
- else
- frame_rate->num = 0;
- }
- else {
- /* Finally we give up and parse it as double */
- AVRational time_base = av_d2q(strtod(arg, 0), 1001000);
- frame_rate->den = time_base.den;
- frame_rate->num = time_base.num;
- }
- if (!frame_rate->num || !frame_rate->den)
- return -1;
- else
- return 0;
+ return av_parse_video_rate(frame_rate, arg);
}
+#endif
int ff_match_2uint16(const uint16_t (*tab)[2], int size, int a, int b){
int i;
}
return 0;
}
+
+unsigned int ff_toupper4(unsigned int x)
+{
+ return toupper( x &0xFF)
+ + (toupper((x>>8 )&0xFF)<<8 )
+ + (toupper((x>>16)&0xFF)<<16)
+ + (toupper((x>>24)&0xFF)<<24);
+}
projects / ffmpeg / blobdiff