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lavd/dshow: use AV_OPT_TYPE_IMAGE_SIZE 

Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
This commit is contained in:
Ramiro Polla 2012-09-06 20:50:06 -03:00 committed by Stefano Sabatini
parent 37a0db50db
commit dc5fcdb896
1 changed files with 4 additions and 11 deletions
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15
libavdevice/dshow.c
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@ -55,7 +55,6 @@ struct dshow_ctx {
enum PixelFormat pixel_format;
enum AVCodecID video_codec_id;
char *video_size;
char *framerate;
int requested_width;
@ -409,7 +408,7 @@ dshow_cycle_formats(AVFormatContext *avctx, enum dshowDeviceType devtype,
goto next;
*fr = framerate;
}
if (ctx->video_size) {
if (ctx->requested_width && ctx->requested_height) {
if (ctx->requested_width > vcaps->MaxOutputSize.cx ||
ctx->requested_width < vcaps->MinOutputSize.cx ||
ctx->requested_height > vcaps->MaxOutputSize.cy ||
@ -534,7 +533,8 @@ dshow_cycle_pins(AVFormatContext *avctx, enum dshowDeviceType devtype,
const GUID *mediatype[2] = { &MEDIATYPE_Video, &MEDIATYPE_Audio };
const char *devtypename = (devtype == VideoDevice) ? "video" : "audio";
int set_format = (devtype == VideoDevice && (ctx->video_size || ctx->framerate ||
int set_format = (devtype == VideoDevice && (ctx->framerate ||
(ctx->requested_width && ctx->requested_height) ||
ctx->pixel_format != PIX_FMT_NONE ||
ctx->video_codec_id != AV_CODEC_ID_RAWVIDEO))
|| (devtype == AudioDevice && (ctx->channels || ctx->sample_rate));
@ -886,13 +886,6 @@ static int dshow_read_header(AVFormatContext *avctx)
goto error;
}
}
if (ctx->video_size) {
r = av_parse_video_size(&ctx->requested_width, &ctx->requested_height, ctx->video_size);
if (r < 0) {
av_log(avctx, AV_LOG_ERROR, "Could not parse video size '%s'.\n", ctx->video_size);
goto error;
}
}
if (ctx->framerate) {
r = av_parse_video_rate(&ctx->requested_framerate, ctx->framerate);
if (r < 0) {
@ -1024,7 +1017,7 @@ static int dshow_read_packet(AVFormatContext *s, AVPacket *pkt)
#define OFFSET(x) offsetof(struct dshow_ctx, x)
#define DEC AV_OPT_FLAG_DECODING_PARAM
static const AVOption options[] = {
{ "video_size", "set video size given a string such as 640x480 or hd720.", OFFSET(video_size), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, DEC },
{ "video_size", "set video size given a string such as 640x480 or hd720.", OFFSET(requested_width), AV_OPT_TYPE_IMAGE_SIZE, {.str = NULL}, 0, 0, DEC },
{ "pixel_format", "set video pixel format", OFFSET(pixel_format), AV_OPT_TYPE_PIXEL_FMT, {.str = NULL}, 0, 0, DEC },
{ "framerate", "set video frame rate", OFFSET(framerate), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, DEC },
{ "sample_rate", "set audio sample rate", OFFSET(sample_rate), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, DEC },