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Code Issues Releases Activity

libdc1394: Fill in packet data directly

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Drop the packet embedded in the context.
This commit is contained in:
Vittorio Giovara 2016-07-13 12:56:51 -04:00
parent e344e65109
commit 5d0f85f1b2
1 changed files with 21 additions and 23 deletions
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44
libavdevice/libdc1394.c
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@ -69,7 +69,8 @@ typedef struct dc1394_data {
char *pixel_format; /**< Set by a private option. */ char *pixel_format; /**< Set by a private option. */
char *framerate; /**< Set by a private option. */ char *framerate; /**< Set by a private option. */
AVPacket packet; int size;
int stream_index;
} dc1394_data; } dc1394_data;
struct dc1394_frame_format { struct dc1394_frame_format {
@ -177,16 +178,13 @@ static inline int dc1394_read_common(AVFormatContext *c,
vst->codecpar->format = fmt->pix_fmt; vst->codecpar->format = fmt->pix_fmt;
vst->avg_frame_rate = framerate; vst->avg_frame_rate = framerate;
/* packet init */
av_init_packet(&dc1394->packet);
dc1394->packet.size = av_image_get_buffer_size(fmt->pix_fmt,
fmt->width, fmt->height, 1);
dc1394->packet.stream_index = vst->index;
dc1394->packet.flags |= AV_PKT_FLAG_KEY;
dc1394->current_frame = 0; dc1394->current_frame = 0;
dc1394->stream_index = vst->index;
dc1394->size = av_image_get_buffer_size(fmt->pix_fmt,
fmt->width, fmt->height, 1);
vst->codecpar->bit_rate = av_rescale(dc1394->packet.size * 8, fps->frame_rate, 1000); vst->codecpar->bit_rate = av_rescale(dc1394->size * 8,
fps->frame_rate, 1000);
*select_fps = fps; *select_fps = fps;
*select_fmt = fmt; *select_fmt = fmt;
out: out:
@ -262,17 +260,17 @@ static int dc1394_v1_read_packet(AVFormatContext *c, AVPacket *pkt)
res = dc1394_dma_single_capture(&dc1394->camera); res = dc1394_dma_single_capture(&dc1394->camera);
if (res == DC1394_SUCCESS) { if (res == DC1394_SUCCESS) {
dc1394->packet.data = (uint8_t *)(dc1394->camera.capture_buffer); pkt->data = (uint8_t *)dc1394->camera.capture_buffer;
dc1394->packet.pts = (dc1394->current_frame * 1000000) / dc1394->frame_rate; pkt->size = dc1394->size;
res = dc1394->packet.size; pkt->pts = (dc1394->current_frame * 1000000) / dc1394->frame_rate;
pkt->flags |= AV_PKT_FLAG_KEY;
pkt->stream_index = dc1394->stream_index;
} else { } else {
av_log(c, AV_LOG_ERROR, "DMA capture failed\n"); av_log(c, AV_LOG_ERROR, "DMA capture failed\n");
dc1394->packet.data = NULL; return AVERROR_INVALIDDATA;
res = -1;
} }
*pkt = dc1394->packet; return pkt->size;
return res;
} }
static int dc1394_v1_close(AVFormatContext * context) static int dc1394_v1_close(AVFormatContext * context)
@ -374,17 +372,17 @@ static int dc1394_v2_read_packet(AVFormatContext *c, AVPacket *pkt)
res = dc1394_capture_dequeue(dc1394->camera, DC1394_CAPTURE_POLICY_WAIT, &dc1394->frame); res = dc1394_capture_dequeue(dc1394->camera, DC1394_CAPTURE_POLICY_WAIT, &dc1394->frame);
if (res == DC1394_SUCCESS) { if (res == DC1394_SUCCESS) {
dc1394->packet.data = (uint8_t *) dc1394->frame->image; pkt->data = (uint8_t *)dc1394->frame->image;
dc1394->packet.pts = dc1394->current_frame * 1000000 / dc1394->frame_rate; pkt->size = dc1394->frame->image_bytes;
res = dc1394->frame->image_bytes; pkt->pts = dc1394->current_frame * 1000000 / dc1394->frame_rate;
pkt->flags |= AV_PKT_FLAG_KEY;
pkt->stream_index = dc1394->stream_index;
} else { } else {
av_log(c, AV_LOG_ERROR, "DMA capture failed\n"); av_log(c, AV_LOG_ERROR, "DMA capture failed\n");
dc1394->packet.data = NULL; return AVERROR_INVALIDDATA;
res = -1;
} }
*pkt = dc1394->packet; return pkt->size;
return res;
} }
static int dc1394_v2_close(AVFormatContext * context) static int dc1394_v2_close(AVFormatContext * context)