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cin: scale down ogv frame

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Scale down frame to size of window if required,
Scale up in soft render is slow, so skip it for
small files.

ReRelease ogv files could be rendered in native
resolution and color space in soft render if windows
size is equal to video size.
This commit is contained in:
Denis Pauk 2023-12-18 17:37:36 +02:00
parent d7b5bfc06f
commit 30ecd8ac57
2 changed files with 28 additions and 8 deletions
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34
src/client/cinema/avdecode.h
View file

@ -96,7 +96,7 @@ cinavdecode_close(cinavdecode_t *state)
}
static cinavdecode_t *
cinavdecode_init(cinavdecode_t *state)
cinavdecode_init(cinavdecode_t *state, int max_width, int max_height)
{
int ret, i, count;
@ -136,6 +136,7 @@ cinavdecode_init(cinavdecode_t *state)
cinavdecode_close(state);
return NULL;
}
ret = avcodec_parameters_to_context(codec_ctx, stream->codecpar);
if (ret < 0) {
/* Set parameters to contex */
@ -153,16 +154,35 @@ cinavdecode_init(cinavdecode_t *state)
{
if (codec_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
{
int width, height;
codec_ctx->framerate = av_guess_frame_rate(
state->demuxer, stream, NULL);
width = codec_ctx->width;
height = codec_ctx->height;
/* smaller by width */
if (width > max_width)
{
height = height * max_width / width;
width = max_width;
}
/* smaller by height */
if (height > max_height)
{
width = width * max_height / height;
height = max_height;
}
state->fps = (float)codec_ctx->framerate.num / codec_ctx->framerate.den;
state->width = codec_ctx->width;
state->height = codec_ctx->height;
state->width = width;
state->height = height;
state->swsctx_image = sws_getContext(
codec_ctx->width, codec_ctx->height, codec_ctx->pix_fmt,
codec_ctx->width, codec_ctx->height, AV_PIX_FMT_RGBA, 0, 0, 0, 0);
width, height, AV_PIX_FMT_RGBA, 0, 0, 0, 0);
}
else
{
@ -249,7 +269,7 @@ cinavdecode_init(cinavdecode_t *state)
* Rewrite to use callback?
*/
static cinavdecode_t *
cinavdecode_open(const char *name)
cinavdecode_open(const char *name, int max_width, int max_height)
{
cinavdecode_t *state = NULL;
int ret;
@ -265,7 +285,7 @@ cinavdecode_open(const char *name)
return NULL;
}
return cinavdecode_init(state);
return cinavdecode_init(state, max_width, max_height);
}
static int
@ -434,7 +454,7 @@ cinavdecode_parse_next(cinavdecode_t *state)
}
/* RGB stride with single plane */
linesize[0] = 4 * state->dec_frame->width;
linesize[0] = 4 * state->width;
out[0] = state->video_res + state->video_pos;
ret = sws_scale(state->swsctx_image,

2
src/client/cl_cin.c
View file

@ -697,7 +697,7 @@ SCR_LoadAVcodec(const char *arg, const char *dot)
}
Com_sprintf(name, sizeof(name), "%s/video/%s%s", path, arg, dot);
cin.av_video = cinavdecode_open(name);
cin.av_video = cinavdecode_open(name, viddef.width, viddef.height);
if (cin.av_video)
{
break;